diff --git a/.flake8 b/.flake8 index deba6b9e0cf..34dc65eda7c 100644 --- a/.flake8 +++ b/.flake8 @@ -29,6 +29,7 @@ exclude = __init__.py # Ignore vendored files numba/cloudpickle/* + versioneer.py # Grandfather in existing failing files. This list should shrink over time numba/stencils/stencil.py numba/core/transforms.py diff --git a/numba/_version.py b/numba/_version.py index be5315b7bb2..decd3ca772b 100644 --- a/numba/_version.py +++ b/numba/_version.py @@ -1,106 +1,198 @@ + # This file helps to compute a version number in source trees obtained from # git-archive tarball (such as those provided by githubs download-from-tag # feature). Distribution tarballs (built by setup.py sdist) and build # directories (produced by setup.py build) will contain a much shorter file # that just contains the computed version number. -# This file is released into the public domain. Generated by -# versioneer-0.14 (https://github.com/warner/python-versioneer) +# This file is released into the public domain. +# Generated by versioneer-0.28 +# https://github.com/python-versioneer/python-versioneer + +"""Git implementation of _version.py.""" import errno import os import re import subprocess import sys +from typing import Callable, Dict +import functools + + +def get_keywords(): + """Get the keywords needed to look up the version information.""" + # these strings will be replaced by git during git-archive. + # setup.py/versioneer.py will grep for the variable names, so they must + # each be defined on a line of their own. _version.py will just call + # get_keywords(). + git_refnames = "$Format:%d$" + git_full = "$Format:%H$" + git_date = "$Format:%ci$" + keywords = {"refnames": git_refnames, "full": git_full, "date": git_date} + return keywords + + +class VersioneerConfig: + """Container for Versioneer configuration parameters.""" + + +def get_config(): + """Create, populate and return the VersioneerConfig() object.""" + # these strings are filled in when 'setup.py versioneer' creates + # _version.py + cfg = VersioneerConfig() + cfg.VCS = "git" + cfg.style = "pep440" + cfg.tag_prefix = "" + cfg.parentdir_prefix = "numba-" + cfg.versionfile_source = "numba/_version.py" + cfg.verbose = False + return cfg -# these strings will be replaced by git during git-archive -git_refnames = "$Format:%d$" -git_full = "$Format:%H$" -# these strings are filled in when 'setup.py versioneer' creates _version.py -tag_prefix = "" -parentdir_prefix = "numba-" -versionfile_source = "numba/_version.py" +class NotThisMethod(Exception): + """Exception raised if a method is not valid for the current scenario.""" -def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False): +LONG_VERSION_PY: Dict[str, str] = {} +HANDLERS: Dict[str, Dict[str, Callable]] = {} + + +def register_vcs_handler(vcs, method): # decorator + """Create decorator to mark a method as the handler of a VCS.""" + def decorate(f): + """Store f in HANDLERS[vcs][method].""" + if vcs not in HANDLERS: + HANDLERS[vcs] = {} + HANDLERS[vcs][method] = f + return f + return decorate + + +def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False, + env=None): + """Call the given command(s).""" assert isinstance(commands, list) - p = None - for c in commands: + process = None + + popen_kwargs = {} + if sys.platform == "win32": + # This hides the console window if pythonw.exe is used + startupinfo = subprocess.STARTUPINFO() + startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW + popen_kwargs["startupinfo"] = startupinfo + + for command in commands: try: + dispcmd = str([command] + args) # remember shell=False, so use git.cmd on windows, not just git - p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE, - stderr=(subprocess.PIPE if hide_stderr - else None)) + process = subprocess.Popen([command] + args, cwd=cwd, env=env, + stdout=subprocess.PIPE, + stderr=(subprocess.PIPE if hide_stderr + else None), **popen_kwargs) break - except EnvironmentError: + except OSError: e = sys.exc_info()[1] if e.errno == errno.ENOENT: continue if verbose: - print("unable to run %s" % args[0]) + print("unable to run %s" % dispcmd) print(e) - return None + return None, None else: if verbose: print("unable to find command, tried %s" % (commands,)) - return None - stdout = p.communicate()[0].strip().decode() - if p.returncode != 0: + return None, None + stdout = process.communicate()[0].strip().decode() + if process.returncode != 0: if verbose: - print("unable to run %s (error)" % args[0]) - return None - return stdout + print("unable to run %s (error)" % dispcmd) + print("stdout was %s" % stdout) + return None, process.returncode + return stdout, process.returncode + + +def versions_from_parentdir(parentdir_prefix, root, verbose): + """Try to determine the version from the parent directory name. + + Source tarballs conventionally unpack into a directory that includes both + the project name and a version string. We will also support searching up + two directory levels for an appropriately named parent directory + """ + rootdirs = [] + + for _ in range(3): + dirname = os.path.basename(root) + if dirname.startswith(parentdir_prefix): + return {"version": dirname[len(parentdir_prefix):], + "full-revisionid": None, + "dirty": False, "error": None, "date": None} + rootdirs.append(root) + root = os.path.dirname(root) # up a level - -def versions_from_parentdir(parentdir_prefix, root, verbose=False): - # Source tarballs conventionally unpack into a directory that includes - # both the project name and a version string. - dirname = os.path.basename(root) - if not dirname.startswith(parentdir_prefix): - if verbose: - print("guessing rootdir is '%s', but '%s' doesn't start with " - "prefix '%s'" % (root, dirname, parentdir_prefix)) - return None - return {"version": dirname[len(parentdir_prefix):], "full": ""} + if verbose: + print("Tried directories %s but none started with prefix %s" % + (str(rootdirs), parentdir_prefix)) + raise NotThisMethod("rootdir doesn't start with parentdir_prefix") +@register_vcs_handler("git", "get_keywords") def git_get_keywords(versionfile_abs): + """Extract version information from the given file.""" # the code embedded in _version.py can just fetch the value of these # keywords. When used from setup.py, we don't want to import _version.py, # so we do it with a regexp instead. This function is not used from # _version.py. keywords = {} try: - f = open(versionfile_abs, "r") - for line in f.readlines(): - if line.strip().startswith("git_refnames ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["refnames"] = mo.group(1) - if line.strip().startswith("git_full ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["full"] = mo.group(1) - f.close() - except EnvironmentError: + with open(versionfile_abs, "r") as fobj: + for line in fobj: + if line.strip().startswith("git_refnames ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["refnames"] = mo.group(1) + if line.strip().startswith("git_full ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["full"] = mo.group(1) + if line.strip().startswith("git_date ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["date"] = mo.group(1) + except OSError: pass return keywords -def git_versions_from_keywords(keywords, tag_prefix, verbose=False): - if not keywords: - return {} # keyword-finding function failed to find keywords +@register_vcs_handler("git", "keywords") +def git_versions_from_keywords(keywords, tag_prefix, verbose): + """Get version information from git keywords.""" + if "refnames" not in keywords: + raise NotThisMethod("Short version file found") + date = keywords.get("date") + if date is not None: + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + + # git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant + # datestamp. However we prefer "%ci" (which expands to an "ISO-8601 + # -like" string, which we must then edit to make compliant), because + # it's been around since git-1.5.3, and it's too difficult to + # discover which version we're using, or to work around using an + # older one. + date = date.strip().replace(" ", "T", 1).replace(" ", "", 1) refnames = keywords["refnames"].strip() if refnames.startswith("$Format"): if verbose: print("keywords are unexpanded, not using") - return {} # unexpanded, so not in an unpacked git-archive tarball - refs = set([r.strip() for r in refnames.strip("()").split(",")]) + raise NotThisMethod("unexpanded keywords, not a git-archive tarball") + refs = {r.strip() for r in refnames.strip("()").split(",")} # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of # just "foo-1.0". If we see a "tag: " prefix, prefer those. TAG = "tag: " - tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)]) + tags = {r[len(TAG):] for r in refs if r.startswith(TAG)} if not tags: # Either we're using git < 1.8.3, or there really are no tags. We use # a heuristic: assume all version tags have a digit. The old git %d @@ -109,128 +201,458 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose=False): # between branches and tags. By ignoring refnames without digits, we # filter out many common branch names like "release" and # "stabilization", as well as "HEAD" and "master". - tags = set([r for r in refs if re.search(r'\d', r)]) + tags = {r for r in refs if re.search(r'\d', r)} if verbose: - print("discarding '%s', no digits" % ",".join(refs-tags)) + print("discarding '%s', no digits" % ",".join(refs - tags)) if verbose: print("likely tags: %s" % ",".join(sorted(tags))) for ref in sorted(tags): # sorting will prefer e.g. "2.0" over "2.0rc1" if ref.startswith(tag_prefix): r = ref[len(tag_prefix):] + # Filter out refs that exactly match prefix or that don't start + # with a number once the prefix is stripped (mostly a concern + # when prefix is '') + if not re.match(r'\d', r): + continue if verbose: print("picking %s" % r) return {"version": r, - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": None, + "date": date} # no suitable tags, so version is "0+unknown", but full hex is still there if verbose: print("no suitable tags, using unknown + full revision id") return {"version": "0+unknown", - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": "no suitable tags", "date": None} -def git_parse_vcs_describe(git_describe, tag_prefix, verbose=False): - # TAG-NUM-gHEX[-dirty] or HEX[-dirty] . TAG might have hyphens. +@register_vcs_handler("git", "pieces_from_vcs") +def git_pieces_from_vcs(tag_prefix, root, verbose, runner=run_command): + """Get version from 'git describe' in the root of the source tree. - # dirty + This only gets called if the git-archive 'subst' keywords were *not* + expanded, and _version.py hasn't already been rewritten with a short + version string, meaning we're inside a checked out source tree. + """ + GITS = ["git"] + if sys.platform == "win32": + GITS = ["git.cmd", "git.exe"] + + # GIT_DIR can interfere with correct operation of Versioneer. + # It may be intended to be passed to the Versioneer-versioned project, + # but that should not change where we get our version from. + env = os.environ.copy() + env.pop("GIT_DIR", None) + runner = functools.partial(runner, env=env) + + _, rc = runner(GITS, ["rev-parse", "--git-dir"], cwd=root, + hide_stderr=not verbose) + if rc != 0: + if verbose: + print("Directory %s not under git control" % root) + raise NotThisMethod("'git rev-parse --git-dir' returned error") + + # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty] + # if there isn't one, this yields HEX[-dirty] (no NUM) + describe_out, rc = runner(GITS, [ + "describe", "--tags", "--dirty", "--always", "--long", + "--match", f"{tag_prefix}[[:digit:]]*" + ], cwd=root) + # --long was added in git-1.5.5 + if describe_out is None: + raise NotThisMethod("'git describe' failed") + describe_out = describe_out.strip() + full_out, rc = runner(GITS, ["rev-parse", "HEAD"], cwd=root) + if full_out is None: + raise NotThisMethod("'git rev-parse' failed") + full_out = full_out.strip() + + pieces = {} + pieces["long"] = full_out + pieces["short"] = full_out[:7] # maybe improved later + pieces["error"] = None + + branch_name, rc = runner(GITS, ["rev-parse", "--abbrev-ref", "HEAD"], + cwd=root) + # --abbrev-ref was added in git-1.6.3 + if rc != 0 or branch_name is None: + raise NotThisMethod("'git rev-parse --abbrev-ref' returned error") + branch_name = branch_name.strip() + + if branch_name == "HEAD": + # If we aren't exactly on a branch, pick a branch which represents + # the current commit. If all else fails, we are on a branchless + # commit. + branches, rc = runner(GITS, ["branch", "--contains"], cwd=root) + # --contains was added in git-1.5.4 + if rc != 0 or branches is None: + raise NotThisMethod("'git branch --contains' returned error") + branches = branches.split("\n") + + # Remove the first line if we're running detached + if "(" in branches[0]: + branches.pop(0) + + # Strip off the leading "* " from the list of branches. + branches = [branch[2:] for branch in branches] + if "master" in branches: + branch_name = "master" + elif not branches: + branch_name = None + else: + # Pick the first branch that is returned. Good or bad. + branch_name = branches[0] + + pieces["branch"] = branch_name + + # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty] + # TAG might have hyphens. + git_describe = describe_out + + # look for -dirty suffix dirty = git_describe.endswith("-dirty") + pieces["dirty"] = dirty if dirty: git_describe = git_describe[:git_describe.rindex("-dirty")] - dirty_suffix = ".dirty" if dirty else "" # now we have TAG-NUM-gHEX or HEX - if "-" not in git_describe: # just HEX - return "0+untagged.g"+git_describe+dirty_suffix, dirty + if "-" in git_describe: + # TAG-NUM-gHEX + mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) + if not mo: + # unparsable. Maybe git-describe is misbehaving? + pieces["error"] = ("unable to parse git-describe output: '%s'" + % describe_out) + return pieces + + # tag + full_tag = mo.group(1) + if not full_tag.startswith(tag_prefix): + if verbose: + fmt = "tag '%s' doesn't start with prefix '%s'" + print(fmt % (full_tag, tag_prefix)) + pieces["error"] = ("tag '%s' doesn't start with prefix '%s'" + % (full_tag, tag_prefix)) + return pieces + pieces["closest-tag"] = full_tag[len(tag_prefix):] - # just TAG-NUM-gHEX - mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) - if not mo: - # unparseable. Maybe git-describe is misbehaving? - return "0+unparseable"+dirty_suffix, dirty + # distance: number of commits since tag + pieces["distance"] = int(mo.group(2)) - # tag - full_tag = mo.group(1) - if not full_tag.startswith(tag_prefix): - if verbose: - fmt = "tag '%s' doesn't start with prefix '%s'" - print(fmt % (full_tag, tag_prefix)) - return None, dirty - tag = full_tag[len(tag_prefix):] + # commit: short hex revision ID + pieces["short"] = mo.group(3) - # distance: number of commits since tag - distance = int(mo.group(2)) + else: + # HEX: no tags + pieces["closest-tag"] = None + out, rc = runner(GITS, ["rev-list", "HEAD", "--left-right"], cwd=root) + pieces["distance"] = len(out.split()) # total number of commits + + # commit date: see ISO-8601 comment in git_versions_from_keywords() + date = runner(GITS, ["show", "-s", "--format=%ci", "HEAD"], cwd=root)[0].strip() + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1) + + return pieces + + +def plus_or_dot(pieces): + """Return a + if we don't already have one, else return a .""" + if "+" in pieces.get("closest-tag", ""): + return "." + return "+" + + +def render_pep440(pieces): + """Build up version string, with post-release "local version identifier". + + Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you + get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty + + Exceptions: + 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += plus_or_dot(pieces) + rendered += "%d.g%s" % (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0+untagged.%d.g%s" % (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_branch(pieces): + """TAG[[.dev0]+DISTANCE.gHEX[.dirty]] . + + The ".dev0" means not master branch. Note that .dev0 sorts backwards + (a feature branch will appear "older" than the master branch). + + Exceptions: + 1: no tags. 0[.dev0]+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "%d.g%s" % (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0" + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+untagged.%d.g%s" % (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def pep440_split_post(ver): + """Split pep440 version string at the post-release segment. + + Returns the release segments before the post-release and the + post-release version number (or -1 if no post-release segment is present). + """ + vc = str.split(ver, ".post") + return vc[0], int(vc[1] or 0) if len(vc) == 2 else None + + +def render_pep440_pre(pieces): + """TAG[.postN.devDISTANCE] -- No -dirty. + + Exceptions: + 1: no tags. 0.post0.devDISTANCE + """ + if pieces["closest-tag"]: + if pieces["distance"]: + # update the post release segment + tag_version, post_version = pep440_split_post(pieces["closest-tag"]) + rendered = tag_version + if post_version is not None: + rendered += ".post%d.dev%d" % (post_version + 1, pieces["distance"]) + else: + rendered += ".post0.dev%d" % (pieces["distance"]) + else: + # no commits, use the tag as the version + rendered = pieces["closest-tag"] + else: + # exception #1 + rendered = "0.post0.dev%d" % pieces["distance"] + return rendered + + +def render_pep440_post(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX] . + + The ".dev0" means dirty. Note that .dev0 sorts backwards + (a dirty tree will appear "older" than the corresponding clean one), + but you shouldn't be releasing software with -dirty anyways. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%s" % pieces["short"] + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += "+g%s" % pieces["short"] + return rendered + + +def render_pep440_post_branch(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX[.dirty]] . + + The ".dev0" means not master branch. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0]+gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%s" % pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+g%s" % pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_old(pieces): + """TAG[.postDISTANCE[.dev0]] . + + The ".dev0" means dirty. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + return rendered - # commit: short hex revision ID - commit = mo.group(3) - # now build up version string, with post-release "local version - # identifier". Our goal: TAG[+NUM.gHEX[.dirty]] . Note that if you get a - # tagged build and then dirty it, you'll get TAG+0.gHEX.dirty . So you - # can always test version.endswith(".dirty"). - version = tag - if distance or dirty: - version += "+%d.g%s" % (distance, commit) + dirty_suffix +def render_git_describe(pieces): + """TAG[-DISTANCE-gHEX][-dirty]. - return version, dirty + Like 'git describe --tags --dirty --always'. + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"]: + rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered -def git_versions_from_vcs(tag_prefix, root, verbose=False): - # this runs 'git' from the root of the source tree. This only gets called - # if the git-archive 'subst' keywords were *not* expanded, and - # _version.py hasn't already been rewritten with a short version string, - # meaning we're inside a checked out source tree. - if not os.path.exists(os.path.join(root, ".git")): - if verbose: - print("no .git in %s" % root) - return {} # get_versions() will try next method +def render_git_describe_long(pieces): + """TAG-DISTANCE-gHEX[-dirty]. - GITS = ["git"] - if sys.platform == "win32": - GITS = ["git.cmd", "git.exe"] - # if there is a tag, this yields TAG-NUM-gHEX[-dirty] - # if there are no tags, this yields HEX[-dirty] (no NUM) - stdout = run_command(GITS, ["describe", "--tags", "--dirty", - "--always", "--long"], - cwd=root) - # --long was added in git-1.5.5 - if stdout is None: - return {} # try next method - version, dirty = git_parse_vcs_describe(stdout, tag_prefix, verbose) - - # build "full", which is FULLHEX[.dirty] - stdout = run_command(GITS, ["rev-parse", "HEAD"], cwd=root) - if stdout is None: - return {} - full = stdout.strip() - if dirty: - full += ".dirty" + Like 'git describe --tags --dirty --always -long'. + The distance/hash is unconditional. + + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered + + +def render(pieces, style): + """Render the given version pieces into the requested style.""" + if pieces["error"]: + return {"version": "unknown", + "full-revisionid": pieces.get("long"), + "dirty": None, + "error": pieces["error"], + "date": None} + + if not style or style == "default": + style = "pep440" # the default + + if style == "pep440": + rendered = render_pep440(pieces) + elif style == "pep440-branch": + rendered = render_pep440_branch(pieces) + elif style == "pep440-pre": + rendered = render_pep440_pre(pieces) + elif style == "pep440-post": + rendered = render_pep440_post(pieces) + elif style == "pep440-post-branch": + rendered = render_pep440_post_branch(pieces) + elif style == "pep440-old": + rendered = render_pep440_old(pieces) + elif style == "git-describe": + rendered = render_git_describe(pieces) + elif style == "git-describe-long": + rendered = render_git_describe_long(pieces) + else: + raise ValueError("unknown style '%s'" % style) - return {"version": version, "full": full} + return {"version": rendered, "full-revisionid": pieces["long"], + "dirty": pieces["dirty"], "error": None, + "date": pieces.get("date")} -def get_versions(default={"version": "0+unknown", "full": ""}, verbose=False): +def get_versions(): + """Get version information or return default if unable to do so.""" # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have # __file__, we can work backwards from there to the root. Some # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which # case we can only use expanded keywords. - keywords = {"refnames": git_refnames, "full": git_full} - ver = git_versions_from_keywords(keywords, tag_prefix, verbose) - if ver: - return ver + cfg = get_config() + verbose = cfg.verbose + + try: + return git_versions_from_keywords(get_keywords(), cfg.tag_prefix, + verbose) + except NotThisMethod: + pass try: root = os.path.realpath(__file__) # versionfile_source is the relative path from the top of the source # tree (where the .git directory might live) to this file. Invert # this to find the root from __file__. - for i in versionfile_source.split('/'): + for _ in cfg.versionfile_source.split('/'): root = os.path.dirname(root) except NameError: - return default + return {"version": "0+unknown", "full-revisionid": None, + "dirty": None, + "error": "unable to find root of source tree", + "date": None} + + try: + pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose) + return render(pieces, cfg.style) + except NotThisMethod: + pass + + try: + if cfg.parentdir_prefix: + return versions_from_parentdir(cfg.parentdir_prefix, root, verbose) + except NotThisMethod: + pass - return (git_versions_from_vcs(tag_prefix, root, verbose) - or versions_from_parentdir(parentdir_prefix, root, verbose) - or default) + return {"version": "0+unknown", "full-revisionid": None, + "dirty": None, + "error": "unable to compute version", "date": None} diff --git a/setup.cfg b/setup.cfg new file mode 100644 index 00000000000..d5f7ac93773 --- /dev/null +++ b/setup.cfg @@ -0,0 +1,13 @@ + +# See the docstring in versioneer.py for instructions. Note that you must +# re-run 'versioneer.py setup' after changing this section, and commit the +# resulting files. + +[versioneer] +VCS = git +style = pep440 +versionfile_source = numba/_version.py +versionfile_build = numba/_version.py +tag_prefix = +parentdir_prefix = numba- + diff --git a/setup.py b/setup.py index 6a132b58ab0..c4d92705677 100644 --- a/setup.py +++ b/setup.py @@ -57,12 +57,6 @@ def run(self): spawn(['make', '-C', 'docs', 'html']) -versioneer.VCS = 'git' -versioneer.versionfile_source = 'numba/_version.py' -versioneer.versionfile_build = 'numba/_version.py' -versioneer.tag_prefix = '' -versioneer.parentdir_prefix = 'numba-' - cmdclass = versioneer.get_cmdclass() cmdclass['build_doc'] = build_doc diff --git a/versioneer.py b/versioneer.py index c00770fe4ff..18e34c2f535 100644 --- a/versioneer.py +++ b/versioneer.py @@ -1,23 +1,20 @@ -# Version: 0.14 +# Version: 0.28 + +"""The Versioneer - like a rocketeer, but for versions. -""" The Versioneer ============== * like a rocketeer, but for versions! -* https://github.com/warner/python-versioneer +* https://github.com/python-versioneer/python-versioneer * Brian Warner -* License: Public Domain -* Compatible With: python2.6, 2.7, 3.2, 3.3, 3.4, and pypy -* [![Latest Version] -(https://pypip.in/version/versioneer/badge.svg?style=flat) -](https://pypi.python.org/pypi/versioneer/) -* [![Build Status] -(https://travis-ci.org/warner/python-versioneer.png?branch=master) -](https://travis-ci.org/warner/python-versioneer) - -This is a tool for managing a recorded version number in distutils-based +* License: Public Domain (Unlicense) +* Compatible with: Python 3.7, 3.8, 3.9, 3.10 and pypy3 +* [![Latest Version][pypi-image]][pypi-url] +* [![Build Status][travis-image]][travis-url] + +This is a tool for managing a recorded version number in setuptools-based python projects. The goal is to remove the tedious and error-prone "update the embedded version string" step from your release process. Making a new release should be as easy as recording a new tag in your version-control @@ -26,9 +23,38 @@ ## Quick Install -* `pip install versioneer` to somewhere to your $PATH -* run `versioneer-installer` in your source tree: this installs `versioneer.py` -* follow the instructions below (also in the `versioneer.py` docstring) +Versioneer provides two installation modes. The "classic" vendored mode installs +a copy of versioneer into your repository. The experimental build-time dependency mode +is intended to allow you to skip this step and simplify the process of upgrading. + +### Vendored mode + +* `pip install versioneer` to somewhere in your $PATH + * A [conda-forge recipe](https://github.com/conda-forge/versioneer-feedstock) is + available, so you can also use `conda install -c conda-forge versioneer` +* add a `[tool.versioneer]` section to your `pyproject.toml` or a + `[versioneer]` section to your `setup.cfg` (see [Install](INSTALL.md)) + * Note that you will need to add `tomli; python_version < "3.11"` to your + build-time dependencies if you use `pyproject.toml` +* run `versioneer install --vendor` in your source tree, commit the results +* verify version information with `python setup.py version` + +### Build-time dependency mode + +* `pip install versioneer` to somewhere in your $PATH + * A [conda-forge recipe](https://github.com/conda-forge/versioneer-feedstock) is + available, so you can also use `conda install -c conda-forge versioneer` +* add a `[tool.versioneer]` section to your `pyproject.toml` or a + `[versioneer]` section to your `setup.cfg` (see [Install](INSTALL.md)) +* add `versioneer` (with `[toml]` extra, if configuring in `pyproject.toml`) + to the `requires` key of the `build-system` table in `pyproject.toml`: + ```toml + [build-system] + requires = ["setuptools", "versioneer[toml]"] + build-backend = "setuptools.build_meta" + ``` +* run `versioneer install --no-vendor` in your source tree, commit the results +* verify version information with `python setup.py version` ## Version Identifiers @@ -57,10 +83,10 @@ enough information to help developers recreate the same tree, while also giving them an idea of roughly how old the tree is (after version 1.2, before version 1.3). Many VCS systems can report a description that captures this, -for example 'git describe --tags --dirty --always' reports things like +for example `git describe --tags --dirty --always` reports things like "0.7-1-g574ab98-dirty" to indicate that the checkout is one revision past the 0.7 tag, has a unique revision id of "574ab98", and is "dirty" (it has -uncommitted changes. +uncommitted changes). The version identifier is used for multiple purposes: @@ -71,194 +97,175 @@ Versioneer works by adding a special `_version.py` file into your source tree, where your `__init__.py` can import it. This `_version.py` knows how to -dynamically ask the VCS tool for version information at import time. However, -when you use "setup.py build" or "setup.py sdist", `_version.py` in the new -copy is replaced by a small static file that contains just the generated -version data. +dynamically ask the VCS tool for version information at import time. `_version.py` also contains `$Revision$` markers, and the installation process marks `_version.py` to have this marker rewritten with a tag name -during the "git archive" command. As a result, generated tarballs will +during the `git archive` command. As a result, generated tarballs will contain enough information to get the proper version. +To allow `setup.py` to compute a version too, a `versioneer.py` is added to +the top level of your source tree, next to `setup.py` and the `setup.cfg` +that configures it. This overrides several distutils/setuptools commands to +compute the version when invoked, and changes `setup.py build` and `setup.py +sdist` to replace `_version.py` with a small static file that contains just +the generated version data. ## Installation -First, decide on values for the following configuration variables: +See [INSTALL.md](./INSTALL.md) for detailed installation instructions. -* `VCS`: the version control system you use. Currently accepts "git". +## Version-String Flavors -* `versionfile_source`: +Code which uses Versioneer can learn about its version string at runtime by +importing `_version` from your main `__init__.py` file and running the +`get_versions()` function. From the "outside" (e.g. in `setup.py`), you can +import the top-level `versioneer.py` and run `get_versions()`. - A project-relative pathname into which the generated version strings should - be written. This is usually a `_version.py` next to your project's main - `__init__.py` file, so it can be imported at runtime. If your project uses - `src/myproject/__init__.py`, this should be `src/myproject/_version.py`. - This file should be checked in to your VCS as usual: the copy created below - by `setup.py versioneer` will include code that parses expanded VCS - keywords in generated tarballs. The 'build' and 'sdist' commands will - replace it with a copy that has just the calculated version string. +Both functions return a dictionary with different flavors of version +information: - This must be set even if your project does not have any modules (and will - therefore never import `_version.py`), since "setup.py sdist" -based trees - still need somewhere to record the pre-calculated version strings. Anywhere - in the source tree should do. If there is a `__init__.py` next to your - `_version.py`, the `setup.py versioneer` command (described below) will - append some `__version__`-setting assignments, if they aren't already - present. +* `['version']`: A condensed version string, rendered using the selected + style. This is the most commonly used value for the project's version + string. The default "pep440" style yields strings like `0.11`, + `0.11+2.g1076c97`, or `0.11+2.g1076c97.dirty`. See the "Styles" section + below for alternative styles. -* `versionfile_build`: +* `['full-revisionid']`: detailed revision identifier. For Git, this is the + full SHA1 commit id, e.g. "1076c978a8d3cfc70f408fe5974aa6c092c949ac". - Like `versionfile_source`, but relative to the build directory instead of - the source directory. These will differ when your setup.py uses - 'package_dir='. If you have `package_dir={'myproject': 'src/myproject'}`, - then you will probably have `versionfile_build='myproject/_version.py'` and - `versionfile_source='src/myproject/_version.py'`. +* `['date']`: Date and time of the latest `HEAD` commit. For Git, it is the + commit date in ISO 8601 format. This will be None if the date is not + available. - If this is set to None, then `setup.py build` will not attempt to rewrite - any `_version.py` in the built tree. If your project does not have any - libraries (e.g. if it only builds a script), then you should use - `versionfile_build = None` and override `distutils.command.build_scripts` - to explicitly insert a copy of `versioneer.get_version()` into your - generated script. +* `['dirty']`: a boolean, True if the tree has uncommitted changes. Note that + this is only accurate if run in a VCS checkout, otherwise it is likely to + be False or None -* `tag_prefix`: +* `['error']`: if the version string could not be computed, this will be set + to a string describing the problem, otherwise it will be None. It may be + useful to throw an exception in setup.py if this is set, to avoid e.g. + creating tarballs with a version string of "unknown". - a string, like 'PROJECTNAME-', which appears at the start of all VCS tags. - If your tags look like 'myproject-1.2.0', then you should use - tag_prefix='myproject-'. If you use unprefixed tags like '1.2.0', this - should be an empty string. +Some variants are more useful than others. Including `full-revisionid` in a +bug report should allow developers to reconstruct the exact code being tested +(or indicate the presence of local changes that should be shared with the +developers). `version` is suitable for display in an "about" box or a CLI +`--version` output: it can be easily compared against release notes and lists +of bugs fixed in various releases. -* `parentdir_prefix`: +The installer adds the following text to your `__init__.py` to place a basic +version in `YOURPROJECT.__version__`: - a string, frequently the same as tag_prefix, which appears at the start of - all unpacked tarball filenames. If your tarball unpacks into - 'myproject-1.2.0', this should be 'myproject-'. + from ._version import get_versions + __version__ = get_versions()['version'] + del get_versions -This tool provides one script, named `versioneer-installer`. That script does -one thing: write a copy of `versioneer.py` into the current directory. +## Styles -To versioneer-enable your project: +The setup.cfg `style=` configuration controls how the VCS information is +rendered into a version string. -* 1: Run `versioneer-installer` to copy `versioneer.py` into the top of your - source tree. +The default style, "pep440", produces a PEP440-compliant string, equal to the +un-prefixed tag name for actual releases, and containing an additional "local +version" section with more detail for in-between builds. For Git, this is +TAG[+DISTANCE.gHEX[.dirty]] , using information from `git describe --tags +--dirty --always`. For example "0.11+2.g1076c97.dirty" indicates that the +tree is like the "1076c97" commit but has uncommitted changes (".dirty"), and +that this commit is two revisions ("+2") beyond the "0.11" tag. For released +software (exactly equal to a known tag), the identifier will only contain the +stripped tag, e.g. "0.11". -* 2: add the following lines to the top of your `setup.py`, with the - configuration values you decided earlier: +Other styles are available. See [details.md](details.md) in the Versioneer +source tree for descriptions. - ```` - import versioneer - versioneer.VCS = 'git' - versioneer.versionfile_source = 'src/myproject/_version.py' - versioneer.versionfile_build = 'myproject/_version.py' - versioneer.tag_prefix = '' # tags are like 1.2.0 - versioneer.parentdir_prefix = 'myproject-' # dirname like 'myproject-1.2.0' - ```` +## Debugging -* 3: add the following arguments to the setup() call in your setup.py: +Versioneer tries to avoid fatal errors: if something goes wrong, it will tend +to return a version of "0+unknown". To investigate the problem, run `setup.py +version`, which will run the version-lookup code in a verbose mode, and will +display the full contents of `get_versions()` (including the `error` string, +which may help identify what went wrong). - version=versioneer.get_version(), - cmdclass=versioneer.get_cmdclass(), +## Known Limitations -* 4: now run `setup.py versioneer`, which will create `_version.py`, and will - modify your `__init__.py` (if one exists next to `_version.py`) to define - `__version__` (by calling a function from `_version.py`). It will also - modify your `MANIFEST.in` to include both `versioneer.py` and the generated - `_version.py` in sdist tarballs. +Some situations are known to cause problems for Versioneer. This details the +most significant ones. More can be found on Github +[issues page](https://github.com/python-versioneer/python-versioneer/issues). -* 5: commit these changes to your VCS. To make sure you won't forget, - `setup.py versioneer` will mark everything it touched for addition. +### Subprojects -## Post-Installation Usage +Versioneer has limited support for source trees in which `setup.py` is not in +the root directory (e.g. `setup.py` and `.git/` are *not* siblings). The are +two common reasons why `setup.py` might not be in the root: -Once established, all uses of your tree from a VCS checkout should get the -current version string. All generated tarballs should include an embedded -version string (so users who unpack them will not need a VCS tool installed). +* Source trees which contain multiple subprojects, such as + [Buildbot](https://github.com/buildbot/buildbot), which contains both + "master" and "slave" subprojects, each with their own `setup.py`, + `setup.cfg`, and `tox.ini`. Projects like these produce multiple PyPI + distributions (and upload multiple independently-installable tarballs). +* Source trees whose main purpose is to contain a C library, but which also + provide bindings to Python (and perhaps other languages) in subdirectories. -If you distribute your project through PyPI, then the release process should -boil down to two steps: +Versioneer will look for `.git` in parent directories, and most operations +should get the right version string. However `pip` and `setuptools` have bugs +and implementation details which frequently cause `pip install .` from a +subproject directory to fail to find a correct version string (so it usually +defaults to `0+unknown`). -* 1: git tag 1.0 -* 2: python setup.py register sdist upload +`pip install --editable .` should work correctly. `setup.py install` might +work too. -If you distribute it through github (i.e. users use github to generate -tarballs with `git archive`), the process is: +Pip-8.1.1 is known to have this problem, but hopefully it will get fixed in +some later version. -* 1: git tag 1.0 -* 2: git push; git push --tags +[Bug #38](https://github.com/python-versioneer/python-versioneer/issues/38) is tracking +this issue. The discussion in +[PR #61](https://github.com/python-versioneer/python-versioneer/pull/61) describes the +issue from the Versioneer side in more detail. +[pip PR#3176](https://github.com/pypa/pip/pull/3176) and +[pip PR#3615](https://github.com/pypa/pip/pull/3615) contain work to improve +pip to let Versioneer work correctly. -Currently, all version strings must be based upon a tag. Versioneer will -report "unknown" until your tree has at least one tag in its history. This -restriction will be fixed eventually (see issue #12). +Versioneer-0.16 and earlier only looked for a `.git` directory next to the +`setup.cfg`, so subprojects were completely unsupported with those releases. -## Version-String Flavors +### Editable installs with setuptools <= 18.5 -Code which uses Versioneer can learn about its version string at runtime by -importing `_version` from your main `__init__.py` file and running the -`get_versions()` function. From the "outside" (e.g. in `setup.py`), you can -import the top-level `versioneer.py` and run `get_versions()`. +`setup.py develop` and `pip install --editable .` allow you to install a +project into a virtualenv once, then continue editing the source code (and +test) without re-installing after every change. -Both functions return a dictionary with different keys for different flavors -of the version string: - -* `['version']`: A condensed PEP440-compliant string, equal to the - un-prefixed tag name for actual releases, and containing an additional - "local version" section with more detail for in-between builds. For Git, - this is TAG[+DISTANCE.gHEX[.dirty]] , using information from `git describe - --tags --dirty --always`. For example "0.11+2.g1076c97.dirty" indicates - that the tree is like the "1076c97" commit but has uncommitted changes - (".dirty"), and that this commit is two revisions ("+2") beyond the "0.11" - tag. For released software (exactly equal to a known tag), the identifier - will only contain the stripped tag, e.g. "0.11". - -* `['full']`: detailed revision identifier. For Git, this is the full SHA1 - commit id, followed by ".dirty" if the tree contains uncommitted changes, - e.g. "1076c978a8d3cfc70f408fe5974aa6c092c949ac.dirty". - -Some variants are more useful than others. Including `full` in a bug report -should allow developers to reconstruct the exact code being tested (or -indicate the presence of local changes that should be shared with the -developers). `version` is suitable for display in an "about" box or a CLI -`--version` output: it can be easily compared against release notes and lists -of bugs fixed in various releases. +"Entry-point scripts" (`setup(entry_points={"console_scripts": ..})`) are a +convenient way to specify executable scripts that should be installed along +with the python package. -The `setup.py versioneer` command adds the following text to your -`__init__.py` to place a basic version in `YOURPROJECT.__version__`: +These both work as expected when using modern setuptools. When using +setuptools-18.5 or earlier, however, certain operations will cause +`pkg_resources.DistributionNotFound` errors when running the entrypoint +script, which must be resolved by re-installing the package. This happens +when the install happens with one version, then the egg_info data is +regenerated while a different version is checked out. Many setup.py commands +cause egg_info to be rebuilt (including `sdist`, `wheel`, and installing into +a different virtualenv), so this can be surprising. + +[Bug #83](https://github.com/python-versioneer/python-versioneer/issues/83) describes +this one, but upgrading to a newer version of setuptools should probably +resolve it. - from ._version import get_versions - __version__ = get_versions()['version'] - del get_versions ## Updating Versioneer To upgrade your project to a new release of Versioneer, do the following: * install the new Versioneer (`pip install -U versioneer` or equivalent) -* re-run `versioneer-installer` in your source tree to replace your copy of - `versioneer.py` -* edit `setup.py`, if necessary, to include any new configuration settings - indicated by the release notes -* re-run `setup.py versioneer` to replace `SRC/_version.py` +* edit `setup.cfg` and `pyproject.toml`, if necessary, + to include any new configuration settings indicated by the release notes. + See [UPGRADING](./UPGRADING.md) for details. +* re-run `versioneer install --[no-]vendor` in your source tree, to replace + `SRC/_version.py` * commit any changed files -### Upgrading from 0.10 to 0.11 - -You must add a `versioneer.VCS = "git"` to your `setup.py` before re-running -`setup.py versioneer`. This will enable the use of additional version-control -systems (SVN, etc) in the future. - -### Upgrading from 0.11 to 0.12 - -Nothing special. - -## Upgrading to 0.14 - -0.14 changes the format of the version string. 0.13 and earlier used -hyphen-separated strings like "0.11-2-g1076c97-dirty". 0.14 and beyond use a -plus-separated "local version" section strings, with dot-separated -components, like "0.11+2.g1076c97". PEP440-strict tools did not like the old -format, but should be ok with the new one. - ## Future Directions This tool is designed to make it easily extended to other version-control @@ -272,172 +279,393 @@ direction and include code from all supported VCS systems, reducing the number of intermediate scripts. +## Similar projects + +* [setuptools_scm](https://github.com/pypa/setuptools_scm/) - a non-vendored build-time + dependency +* [minver](https://github.com/jbweston/miniver) - a lightweight reimplementation of + versioneer +* [versioningit](https://github.com/jwodder/versioningit) - a PEP 518-based setuptools + plugin ## License -To make Versioneer easier to embed, all its code is hereby released into the -public domain. The `_version.py` that it creates is also in the public -domain. +To make Versioneer easier to embed, all its code is dedicated to the public +domain. The `_version.py` that it creates is also in the public domain. +Specifically, both are released under the "Unlicense", as described in +https://unlicense.org/. + +[pypi-image]: https://img.shields.io/pypi/v/versioneer.svg +[pypi-url]: https://pypi.python.org/pypi/versioneer/ +[travis-image]: +https://img.shields.io/travis/com/python-versioneer/python-versioneer.svg +[travis-url]: https://travis-ci.com/github/python-versioneer/python-versioneer """ +# pylint:disable=invalid-name,import-outside-toplevel,missing-function-docstring +# pylint:disable=missing-class-docstring,too-many-branches,too-many-statements +# pylint:disable=raise-missing-from,too-many-lines,too-many-locals,import-error +# pylint:disable=too-few-public-methods,redefined-outer-name,consider-using-with +# pylint:disable=attribute-defined-outside-init,too-many-arguments +import configparser import errno +import json import os import re import subprocess import sys -from distutils.command.build import build as _build -from distutils.command.sdist import sdist as _sdist -from distutils.core import Command - -# these configuration settings will be overridden by setup.py after it -# imports us -versionfile_source = None -versionfile_build = None -tag_prefix = None -parentdir_prefix = None -VCS = None +from pathlib import Path +from typing import Callable, Dict +import functools + +have_tomllib = True +if sys.version_info >= (3, 11): + import tomllib +else: + try: + import tomli as tomllib + except ImportError: + have_tomllib = False + + +class VersioneerConfig: + """Container for Versioneer configuration parameters.""" + + +def get_root(): + """Get the project root directory. + + We require that all commands are run from the project root, i.e. the + directory that contains setup.py, setup.cfg, and versioneer.py . + """ + root = os.path.realpath(os.path.abspath(os.getcwd())) + setup_py = os.path.join(root, "setup.py") + versioneer_py = os.path.join(root, "versioneer.py") + if not (os.path.exists(setup_py) or os.path.exists(versioneer_py)): + # allow 'python path/to/setup.py COMMAND' + root = os.path.dirname(os.path.realpath(os.path.abspath(sys.argv[0]))) + setup_py = os.path.join(root, "setup.py") + versioneer_py = os.path.join(root, "versioneer.py") + if not (os.path.exists(setup_py) or os.path.exists(versioneer_py)): + err = ("Versioneer was unable to run the project root directory. " + "Versioneer requires setup.py to be executed from " + "its immediate directory (like 'python setup.py COMMAND'), " + "or in a way that lets it use sys.argv[0] to find the root " + "(like 'python path/to/setup.py COMMAND').") + raise VersioneerBadRootError(err) + try: + # Certain runtime workflows (setup.py install/develop in a setuptools + # tree) execute all dependencies in a single python process, so + # "versioneer" may be imported multiple times, and python's shared + # module-import table will cache the first one. So we can't use + # os.path.dirname(__file__), as that will find whichever + # versioneer.py was first imported, even in later projects. + my_path = os.path.realpath(os.path.abspath(__file__)) + me_dir = os.path.normcase(os.path.splitext(my_path)[0]) + vsr_dir = os.path.normcase(os.path.splitext(versioneer_py)[0]) + if me_dir != vsr_dir and "VERSIONEER_PEP518" not in globals(): + print("Warning: build in %s is using versioneer.py from %s" + % (os.path.dirname(my_path), versioneer_py)) + except NameError: + pass + return root + + +def get_config_from_root(root): + """Read the project setup.cfg file to determine Versioneer config.""" + # This might raise OSError (if setup.cfg is missing), or + # configparser.NoSectionError (if it lacks a [versioneer] section), or + # configparser.NoOptionError (if it lacks "VCS="). See the docstring at + # the top of versioneer.py for instructions on writing your setup.cfg . + root = Path(root) + pyproject_toml = root / "pyproject.toml" + setup_cfg = root / "setup.cfg" + section = None + if pyproject_toml.exists() and have_tomllib: + try: + with open(pyproject_toml, 'rb') as fobj: + pp = tomllib.load(fobj) + section = pp['tool']['versioneer'] + except (tomllib.TOMLDecodeError, KeyError): + pass + if not section: + parser = configparser.ConfigParser() + with open(setup_cfg) as cfg_file: + parser.read_file(cfg_file) + parser.get("versioneer", "VCS") # raise error if missing + + section = parser["versioneer"] + + cfg = VersioneerConfig() + cfg.VCS = section['VCS'] + cfg.style = section.get("style", "") + cfg.versionfile_source = section.get("versionfile_source") + cfg.versionfile_build = section.get("versionfile_build") + cfg.tag_prefix = section.get("tag_prefix") + if cfg.tag_prefix in ("''", '""', None): + cfg.tag_prefix = "" + cfg.parentdir_prefix = section.get("parentdir_prefix") + cfg.verbose = section.get("verbose") + return cfg + + +class NotThisMethod(Exception): + """Exception raised if a method is not valid for the current scenario.""" + # these dictionaries contain VCS-specific tools -LONG_VERSION_PY = {} +LONG_VERSION_PY: Dict[str, str] = {} +HANDLERS: Dict[str, Dict[str, Callable]] = {} + + +def register_vcs_handler(vcs, method): # decorator + """Create decorator to mark a method as the handler of a VCS.""" + def decorate(f): + """Store f in HANDLERS[vcs][method].""" + HANDLERS.setdefault(vcs, {})[method] = f + return f + return decorate -def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False): +def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False, + env=None): + """Call the given command(s).""" assert isinstance(commands, list) - p = None - for c in commands: + process = None + + popen_kwargs = {} + if sys.platform == "win32": + # This hides the console window if pythonw.exe is used + startupinfo = subprocess.STARTUPINFO() + startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW + popen_kwargs["startupinfo"] = startupinfo + + for command in commands: try: + dispcmd = str([command] + args) # remember shell=False, so use git.cmd on windows, not just git - p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE, - stderr=(subprocess.PIPE if hide_stderr - else None)) + process = subprocess.Popen([command] + args, cwd=cwd, env=env, + stdout=subprocess.PIPE, + stderr=(subprocess.PIPE if hide_stderr + else None), **popen_kwargs) break - except EnvironmentError: + except OSError: e = sys.exc_info()[1] if e.errno == errno.ENOENT: continue if verbose: - print("unable to run %s" % args[0]) + print("unable to run %s" % dispcmd) print(e) - return None + return None, None else: if verbose: print("unable to find command, tried %s" % (commands,)) - return None - stdout = p.communicate()[0].strip() - if sys.version_info[0] >= 3: - stdout = stdout.decode() - if p.returncode != 0: + return None, None + stdout = process.communicate()[0].strip().decode() + if process.returncode != 0: if verbose: - print("unable to run %s (error)" % args[0]) - return None - return stdout -LONG_VERSION_PY['git'] = ''' + print("unable to run %s (error)" % dispcmd) + print("stdout was %s" % stdout) + return None, process.returncode + return stdout, process.returncode + + +LONG_VERSION_PY['git'] = r''' # This file helps to compute a version number in source trees obtained from # git-archive tarball (such as those provided by githubs download-from-tag # feature). Distribution tarballs (built by setup.py sdist) and build # directories (produced by setup.py build) will contain a much shorter file # that just contains the computed version number. -# This file is released into the public domain. Generated by -# versioneer-0.14 (https://github.com/warner/python-versioneer) +# This file is released into the public domain. +# Generated by versioneer-0.28 +# https://github.com/python-versioneer/python-versioneer + +"""Git implementation of _version.py.""" import errno import os import re import subprocess import sys +from typing import Callable, Dict +import functools + + +def get_keywords(): + """Get the keywords needed to look up the version information.""" + # these strings will be replaced by git during git-archive. + # setup.py/versioneer.py will grep for the variable names, so they must + # each be defined on a line of their own. _version.py will just call + # get_keywords(). + git_refnames = "%(DOLLAR)sFormat:%%d%(DOLLAR)s" + git_full = "%(DOLLAR)sFormat:%%H%(DOLLAR)s" + git_date = "%(DOLLAR)sFormat:%%ci%(DOLLAR)s" + keywords = {"refnames": git_refnames, "full": git_full, "date": git_date} + return keywords + + +class VersioneerConfig: + """Container for Versioneer configuration parameters.""" + + +def get_config(): + """Create, populate and return the VersioneerConfig() object.""" + # these strings are filled in when 'setup.py versioneer' creates + # _version.py + cfg = VersioneerConfig() + cfg.VCS = "git" + cfg.style = "%(STYLE)s" + cfg.tag_prefix = "%(TAG_PREFIX)s" + cfg.parentdir_prefix = "%(PARENTDIR_PREFIX)s" + cfg.versionfile_source = "%(VERSIONFILE_SOURCE)s" + cfg.verbose = False + return cfg -# these strings will be replaced by git during git-archive -git_refnames = "%(DOLLAR)sFormat:%%d%(DOLLAR)s" -git_full = "%(DOLLAR)sFormat:%%H%(DOLLAR)s" -# these strings are filled in when 'setup.py versioneer' creates _version.py -tag_prefix = "%(TAG_PREFIX)s" -parentdir_prefix = "%(PARENTDIR_PREFIX)s" -versionfile_source = "%(VERSIONFILE_SOURCE)s" +class NotThisMethod(Exception): + """Exception raised if a method is not valid for the current scenario.""" -def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False): +LONG_VERSION_PY: Dict[str, str] = {} +HANDLERS: Dict[str, Dict[str, Callable]] = {} + + +def register_vcs_handler(vcs, method): # decorator + """Create decorator to mark a method as the handler of a VCS.""" + def decorate(f): + """Store f in HANDLERS[vcs][method].""" + if vcs not in HANDLERS: + HANDLERS[vcs] = {} + HANDLERS[vcs][method] = f + return f + return decorate + + +def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False, + env=None): + """Call the given command(s).""" assert isinstance(commands, list) - p = None - for c in commands: + process = None + + popen_kwargs = {} + if sys.platform == "win32": + # This hides the console window if pythonw.exe is used + startupinfo = subprocess.STARTUPINFO() + startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW + popen_kwargs["startupinfo"] = startupinfo + + for command in commands: try: + dispcmd = str([command] + args) # remember shell=False, so use git.cmd on windows, not just git - p = subprocess.Popen([c] + args, cwd=cwd, stdout=subprocess.PIPE, - stderr=(subprocess.PIPE if hide_stderr - else None)) + process = subprocess.Popen([command] + args, cwd=cwd, env=env, + stdout=subprocess.PIPE, + stderr=(subprocess.PIPE if hide_stderr + else None), **popen_kwargs) break - except EnvironmentError: + except OSError: e = sys.exc_info()[1] if e.errno == errno.ENOENT: continue if verbose: - print("unable to run %%s" %% args[0]) + print("unable to run %%s" %% dispcmd) print(e) - return None + return None, None else: if verbose: print("unable to find command, tried %%s" %% (commands,)) - return None - stdout = p.communicate()[0].strip() - if sys.version_info[0] >= 3: - stdout = stdout.decode() - if p.returncode != 0: + return None, None + stdout = process.communicate()[0].strip().decode() + if process.returncode != 0: if verbose: - print("unable to run %%s (error)" %% args[0]) - return None - return stdout - + print("unable to run %%s (error)" %% dispcmd) + print("stdout was %%s" %% stdout) + return None, process.returncode + return stdout, process.returncode + + +def versions_from_parentdir(parentdir_prefix, root, verbose): + """Try to determine the version from the parent directory name. + + Source tarballs conventionally unpack into a directory that includes both + the project name and a version string. We will also support searching up + two directory levels for an appropriately named parent directory + """ + rootdirs = [] + + for _ in range(3): + dirname = os.path.basename(root) + if dirname.startswith(parentdir_prefix): + return {"version": dirname[len(parentdir_prefix):], + "full-revisionid": None, + "dirty": False, "error": None, "date": None} + rootdirs.append(root) + root = os.path.dirname(root) # up a level -def versions_from_parentdir(parentdir_prefix, root, verbose=False): - # Source tarballs conventionally unpack into a directory that includes - # both the project name and a version string. - dirname = os.path.basename(root) - if not dirname.startswith(parentdir_prefix): - if verbose: - print("guessing rootdir is '%%s', but '%%s' doesn't start with " - "prefix '%%s'" %% (root, dirname, parentdir_prefix)) - return None - return {"version": dirname[len(parentdir_prefix):], "full": ""} + if verbose: + print("Tried directories %%s but none started with prefix %%s" %% + (str(rootdirs), parentdir_prefix)) + raise NotThisMethod("rootdir doesn't start with parentdir_prefix") +@register_vcs_handler("git", "get_keywords") def git_get_keywords(versionfile_abs): + """Extract version information from the given file.""" # the code embedded in _version.py can just fetch the value of these # keywords. When used from setup.py, we don't want to import _version.py, # so we do it with a regexp instead. This function is not used from # _version.py. keywords = {} try: - f = open(versionfile_abs, "r") - for line in f.readlines(): - if line.strip().startswith("git_refnames ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["refnames"] = mo.group(1) - if line.strip().startswith("git_full ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["full"] = mo.group(1) - f.close() - except EnvironmentError: + with open(versionfile_abs, "r") as fobj: + for line in fobj: + if line.strip().startswith("git_refnames ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["refnames"] = mo.group(1) + if line.strip().startswith("git_full ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["full"] = mo.group(1) + if line.strip().startswith("git_date ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["date"] = mo.group(1) + except OSError: pass return keywords -def git_versions_from_keywords(keywords, tag_prefix, verbose=False): - if not keywords: - return {} # keyword-finding function failed to find keywords +@register_vcs_handler("git", "keywords") +def git_versions_from_keywords(keywords, tag_prefix, verbose): + """Get version information from git keywords.""" + if "refnames" not in keywords: + raise NotThisMethod("Short version file found") + date = keywords.get("date") + if date is not None: + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + + # git-2.2.0 added "%%cI", which expands to an ISO-8601 -compliant + # datestamp. However we prefer "%%ci" (which expands to an "ISO-8601 + # -like" string, which we must then edit to make compliant), because + # it's been around since git-1.5.3, and it's too difficult to + # discover which version we're using, or to work around using an + # older one. + date = date.strip().replace(" ", "T", 1).replace(" ", "", 1) refnames = keywords["refnames"].strip() if refnames.startswith("$Format"): if verbose: print("keywords are unexpanded, not using") - return {} # unexpanded, so not in an unpacked git-archive tarball - refs = set([r.strip() for r in refnames.strip("()").split(",")]) + raise NotThisMethod("unexpanded keywords, not a git-archive tarball") + refs = {r.strip() for r in refnames.strip("()").split(",")} # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of # just "foo-1.0". If we see a "tag: " prefix, prefer those. TAG = "tag: " - tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)]) + tags = {r[len(TAG):] for r in refs if r.startswith(TAG)} if not tags: # Either we're using git < 1.8.3, or there really are no tags. We use # a heuristic: assume all version tags have a digit. The old git %%d @@ -446,170 +674,520 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose=False): # between branches and tags. By ignoring refnames without digits, we # filter out many common branch names like "release" and # "stabilization", as well as "HEAD" and "master". - tags = set([r for r in refs if re.search(r'\d', r)]) + tags = {r for r in refs if re.search(r'\d', r)} if verbose: - print("discarding '%%s', no digits" %% ",".join(refs-tags)) + print("discarding '%%s', no digits" %% ",".join(refs - tags)) if verbose: print("likely tags: %%s" %% ",".join(sorted(tags))) for ref in sorted(tags): # sorting will prefer e.g. "2.0" over "2.0rc1" if ref.startswith(tag_prefix): r = ref[len(tag_prefix):] + # Filter out refs that exactly match prefix or that don't start + # with a number once the prefix is stripped (mostly a concern + # when prefix is '') + if not re.match(r'\d', r): + continue if verbose: print("picking %%s" %% r) return {"version": r, - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": None, + "date": date} # no suitable tags, so version is "0+unknown", but full hex is still there if verbose: print("no suitable tags, using unknown + full revision id") return {"version": "0+unknown", - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": "no suitable tags", "date": None} + + +@register_vcs_handler("git", "pieces_from_vcs") +def git_pieces_from_vcs(tag_prefix, root, verbose, runner=run_command): + """Get version from 'git describe' in the root of the source tree. + + This only gets called if the git-archive 'subst' keywords were *not* + expanded, and _version.py hasn't already been rewritten with a short + version string, meaning we're inside a checked out source tree. + """ + GITS = ["git"] + if sys.platform == "win32": + GITS = ["git.cmd", "git.exe"] + + # GIT_DIR can interfere with correct operation of Versioneer. + # It may be intended to be passed to the Versioneer-versioned project, + # but that should not change where we get our version from. + env = os.environ.copy() + env.pop("GIT_DIR", None) + runner = functools.partial(runner, env=env) + + _, rc = runner(GITS, ["rev-parse", "--git-dir"], cwd=root, + hide_stderr=not verbose) + if rc != 0: + if verbose: + print("Directory %%s not under git control" %% root) + raise NotThisMethod("'git rev-parse --git-dir' returned error") + + # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty] + # if there isn't one, this yields HEX[-dirty] (no NUM) + describe_out, rc = runner(GITS, [ + "describe", "--tags", "--dirty", "--always", "--long", + "--match", f"{tag_prefix}[[:digit:]]*" + ], cwd=root) + # --long was added in git-1.5.5 + if describe_out is None: + raise NotThisMethod("'git describe' failed") + describe_out = describe_out.strip() + full_out, rc = runner(GITS, ["rev-parse", "HEAD"], cwd=root) + if full_out is None: + raise NotThisMethod("'git rev-parse' failed") + full_out = full_out.strip() + + pieces = {} + pieces["long"] = full_out + pieces["short"] = full_out[:7] # maybe improved later + pieces["error"] = None + + branch_name, rc = runner(GITS, ["rev-parse", "--abbrev-ref", "HEAD"], + cwd=root) + # --abbrev-ref was added in git-1.6.3 + if rc != 0 or branch_name is None: + raise NotThisMethod("'git rev-parse --abbrev-ref' returned error") + branch_name = branch_name.strip() + + if branch_name == "HEAD": + # If we aren't exactly on a branch, pick a branch which represents + # the current commit. If all else fails, we are on a branchless + # commit. + branches, rc = runner(GITS, ["branch", "--contains"], cwd=root) + # --contains was added in git-1.5.4 + if rc != 0 or branches is None: + raise NotThisMethod("'git branch --contains' returned error") + branches = branches.split("\n") + + # Remove the first line if we're running detached + if "(" in branches[0]: + branches.pop(0) + + # Strip off the leading "* " from the list of branches. + branches = [branch[2:] for branch in branches] + if "master" in branches: + branch_name = "master" + elif not branches: + branch_name = None + else: + # Pick the first branch that is returned. Good or bad. + branch_name = branches[0] + pieces["branch"] = branch_name -def git_parse_vcs_describe(git_describe, tag_prefix, verbose=False): - # TAG-NUM-gHEX[-dirty] or HEX[-dirty] . TAG might have hyphens. + # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty] + # TAG might have hyphens. + git_describe = describe_out - # dirty + # look for -dirty suffix dirty = git_describe.endswith("-dirty") + pieces["dirty"] = dirty if dirty: git_describe = git_describe[:git_describe.rindex("-dirty")] - dirty_suffix = ".dirty" if dirty else "" # now we have TAG-NUM-gHEX or HEX - if "-" not in git_describe: # just HEX - return "0+untagged.g"+git_describe+dirty_suffix, dirty + if "-" in git_describe: + # TAG-NUM-gHEX + mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) + if not mo: + # unparsable. Maybe git-describe is misbehaving? + pieces["error"] = ("unable to parse git-describe output: '%%s'" + %% describe_out) + return pieces + + # tag + full_tag = mo.group(1) + if not full_tag.startswith(tag_prefix): + if verbose: + fmt = "tag '%%s' doesn't start with prefix '%%s'" + print(fmt %% (full_tag, tag_prefix)) + pieces["error"] = ("tag '%%s' doesn't start with prefix '%%s'" + %% (full_tag, tag_prefix)) + return pieces + pieces["closest-tag"] = full_tag[len(tag_prefix):] - # just TAG-NUM-gHEX - mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) - if not mo: - # unparseable. Maybe git-describe is misbehaving? - return "0+unparseable"+dirty_suffix, dirty + # distance: number of commits since tag + pieces["distance"] = int(mo.group(2)) - # tag - full_tag = mo.group(1) - if not full_tag.startswith(tag_prefix): - if verbose: - fmt = "tag '%%s' doesn't start with prefix '%%s'" - print(fmt %% (full_tag, tag_prefix)) - return None, dirty - tag = full_tag[len(tag_prefix):] + # commit: short hex revision ID + pieces["short"] = mo.group(3) - # distance: number of commits since tag - distance = int(mo.group(2)) + else: + # HEX: no tags + pieces["closest-tag"] = None + out, rc = runner(GITS, ["rev-list", "HEAD", "--left-right"], cwd=root) + pieces["distance"] = len(out.split()) # total number of commits + + # commit date: see ISO-8601 comment in git_versions_from_keywords() + date = runner(GITS, ["show", "-s", "--format=%%ci", "HEAD"], cwd=root)[0].strip() + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1) + + return pieces + + +def plus_or_dot(pieces): + """Return a + if we don't already have one, else return a .""" + if "+" in pieces.get("closest-tag", ""): + return "." + return "+" + + +def render_pep440(pieces): + """Build up version string, with post-release "local version identifier". + + Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you + get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty + + Exceptions: + 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += plus_or_dot(pieces) + rendered += "%%d.g%%s" %% (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0+untagged.%%d.g%%s" %% (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_branch(pieces): + """TAG[[.dev0]+DISTANCE.gHEX[.dirty]] . + + The ".dev0" means not master branch. Note that .dev0 sorts backwards + (a feature branch will appear "older" than the master branch). + + Exceptions: + 1: no tags. 0[.dev0]+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "%%d.g%%s" %% (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0" + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+untagged.%%d.g%%s" %% (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def pep440_split_post(ver): + """Split pep440 version string at the post-release segment. + + Returns the release segments before the post-release and the + post-release version number (or -1 if no post-release segment is present). + """ + vc = str.split(ver, ".post") + return vc[0], int(vc[1] or 0) if len(vc) == 2 else None + + +def render_pep440_pre(pieces): + """TAG[.postN.devDISTANCE] -- No -dirty. + + Exceptions: + 1: no tags. 0.post0.devDISTANCE + """ + if pieces["closest-tag"]: + if pieces["distance"]: + # update the post release segment + tag_version, post_version = pep440_split_post(pieces["closest-tag"]) + rendered = tag_version + if post_version is not None: + rendered += ".post%%d.dev%%d" %% (post_version + 1, pieces["distance"]) + else: + rendered += ".post0.dev%%d" %% (pieces["distance"]) + else: + # no commits, use the tag as the version + rendered = pieces["closest-tag"] + else: + # exception #1 + rendered = "0.post0.dev%%d" %% pieces["distance"] + return rendered + + +def render_pep440_post(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX] . + + The ".dev0" means dirty. Note that .dev0 sorts backwards + (a dirty tree will appear "older" than the corresponding clean one), + but you shouldn't be releasing software with -dirty anyways. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%%d" %% pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%%s" %% pieces["short"] + else: + # exception #1 + rendered = "0.post%%d" %% pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += "+g%%s" %% pieces["short"] + return rendered + + +def render_pep440_post_branch(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX[.dirty]] . + + The ".dev0" means not master branch. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0]+gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%%d" %% pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%%s" %% pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0.post%%d" %% pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+g%%s" %% pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_old(pieces): + """TAG[.postDISTANCE[.dev0]] . + + The ".dev0" means dirty. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%%d" %% pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + else: + # exception #1 + rendered = "0.post%%d" %% pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + return rendered - # commit: short hex revision ID - commit = mo.group(3) - # now build up version string, with post-release "local version - # identifier". Our goal: TAG[+NUM.gHEX[.dirty]] . Note that if you get a - # tagged build and then dirty it, you'll get TAG+0.gHEX.dirty . So you - # can always test version.endswith(".dirty"). - version = tag - if distance or dirty: - version += "+%%d.g%%s" %% (distance, commit) + dirty_suffix +def render_git_describe(pieces): + """TAG[-DISTANCE-gHEX][-dirty]. - return version, dirty + Like 'git describe --tags --dirty --always'. + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"]: + rendered += "-%%d-g%%s" %% (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered -def git_versions_from_vcs(tag_prefix, root, verbose=False): - # this runs 'git' from the root of the source tree. This only gets called - # if the git-archive 'subst' keywords were *not* expanded, and - # _version.py hasn't already been rewritten with a short version string, - # meaning we're inside a checked out source tree. - if not os.path.exists(os.path.join(root, ".git")): - if verbose: - print("no .git in %%s" %% root) - return {} # get_versions() will try next method +def render_git_describe_long(pieces): + """TAG-DISTANCE-gHEX[-dirty]. - GITS = ["git"] - if sys.platform == "win32": - GITS = ["git.cmd", "git.exe"] - # if there is a tag, this yields TAG-NUM-gHEX[-dirty] - # if there are no tags, this yields HEX[-dirty] (no NUM) - stdout = run_command(GITS, ["describe", "--tags", "--dirty", - "--always", "--long"], - cwd=root) - # --long was added in git-1.5.5 - if stdout is None: - return {} # try next method - version, dirty = git_parse_vcs_describe(stdout, tag_prefix, verbose) - - # build "full", which is FULLHEX[.dirty] - stdout = run_command(GITS, ["rev-parse", "HEAD"], cwd=root) - if stdout is None: - return {} - full = stdout.strip() - if dirty: - full += ".dirty" + Like 'git describe --tags --dirty --always -long'. + The distance/hash is unconditional. + + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + rendered += "-%%d-g%%s" %% (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered + + +def render(pieces, style): + """Render the given version pieces into the requested style.""" + if pieces["error"]: + return {"version": "unknown", + "full-revisionid": pieces.get("long"), + "dirty": None, + "error": pieces["error"], + "date": None} + + if not style or style == "default": + style = "pep440" # the default + + if style == "pep440": + rendered = render_pep440(pieces) + elif style == "pep440-branch": + rendered = render_pep440_branch(pieces) + elif style == "pep440-pre": + rendered = render_pep440_pre(pieces) + elif style == "pep440-post": + rendered = render_pep440_post(pieces) + elif style == "pep440-post-branch": + rendered = render_pep440_post_branch(pieces) + elif style == "pep440-old": + rendered = render_pep440_old(pieces) + elif style == "git-describe": + rendered = render_git_describe(pieces) + elif style == "git-describe-long": + rendered = render_git_describe_long(pieces) + else: + raise ValueError("unknown style '%%s'" %% style) - return {"version": version, "full": full} + return {"version": rendered, "full-revisionid": pieces["long"], + "dirty": pieces["dirty"], "error": None, + "date": pieces.get("date")} -def get_versions(default={"version": "0+unknown", "full": ""}, verbose=False): +def get_versions(): + """Get version information or return default if unable to do so.""" # I am in _version.py, which lives at ROOT/VERSIONFILE_SOURCE. If we have # __file__, we can work backwards from there to the root. Some # py2exe/bbfreeze/non-CPython implementations don't do __file__, in which # case we can only use expanded keywords. - keywords = {"refnames": git_refnames, "full": git_full} - ver = git_versions_from_keywords(keywords, tag_prefix, verbose) - if ver: - return ver + cfg = get_config() + verbose = cfg.verbose + + try: + return git_versions_from_keywords(get_keywords(), cfg.tag_prefix, + verbose) + except NotThisMethod: + pass try: root = os.path.realpath(__file__) # versionfile_source is the relative path from the top of the source # tree (where the .git directory might live) to this file. Invert # this to find the root from __file__. - for i in versionfile_source.split('/'): + for _ in cfg.versionfile_source.split('/'): root = os.path.dirname(root) except NameError: - return default + return {"version": "0+unknown", "full-revisionid": None, + "dirty": None, + "error": "unable to find root of source tree", + "date": None} + + try: + pieces = git_pieces_from_vcs(cfg.tag_prefix, root, verbose) + return render(pieces, cfg.style) + except NotThisMethod: + pass - return (git_versions_from_vcs(tag_prefix, root, verbose) - or versions_from_parentdir(parentdir_prefix, root, verbose) - or default) + try: + if cfg.parentdir_prefix: + return versions_from_parentdir(cfg.parentdir_prefix, root, verbose) + except NotThisMethod: + pass + + return {"version": "0+unknown", "full-revisionid": None, + "dirty": None, + "error": "unable to compute version", "date": None} ''' +@register_vcs_handler("git", "get_keywords") def git_get_keywords(versionfile_abs): + """Extract version information from the given file.""" # the code embedded in _version.py can just fetch the value of these # keywords. When used from setup.py, we don't want to import _version.py, # so we do it with a regexp instead. This function is not used from # _version.py. keywords = {} try: - f = open(versionfile_abs, "r") - for line in f.readlines(): - if line.strip().startswith("git_refnames ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["refnames"] = mo.group(1) - if line.strip().startswith("git_full ="): - mo = re.search(r'=\s*"(.*)"', line) - if mo: - keywords["full"] = mo.group(1) - f.close() - except EnvironmentError: + with open(versionfile_abs, "r") as fobj: + for line in fobj: + if line.strip().startswith("git_refnames ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["refnames"] = mo.group(1) + if line.strip().startswith("git_full ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["full"] = mo.group(1) + if line.strip().startswith("git_date ="): + mo = re.search(r'=\s*"(.*)"', line) + if mo: + keywords["date"] = mo.group(1) + except OSError: pass return keywords -def git_versions_from_keywords(keywords, tag_prefix, verbose=False): - if not keywords: - return {} # keyword-finding function failed to find keywords +@register_vcs_handler("git", "keywords") +def git_versions_from_keywords(keywords, tag_prefix, verbose): + """Get version information from git keywords.""" + if "refnames" not in keywords: + raise NotThisMethod("Short version file found") + date = keywords.get("date") + if date is not None: + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + + # git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant + # datestamp. However we prefer "%ci" (which expands to an "ISO-8601 + # -like" string, which we must then edit to make compliant), because + # it's been around since git-1.5.3, and it's too difficult to + # discover which version we're using, or to work around using an + # older one. + date = date.strip().replace(" ", "T", 1).replace(" ", "", 1) refnames = keywords["refnames"].strip() if refnames.startswith("$Format"): if verbose: print("keywords are unexpanded, not using") - return {} # unexpanded, so not in an unpacked git-archive tarball - refs = set([r.strip() for r in refnames.strip("()").split(",")]) + raise NotThisMethod("unexpanded keywords, not a git-archive tarball") + refs = {r.strip() for r in refnames.strip("()").split(",")} # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of # just "foo-1.0". If we see a "tag: " prefix, prefer those. TAG = "tag: " - tags = set([r[len(TAG):] for r in refs if r.startswith(TAG)]) + tags = {r[len(TAG):] for r in refs if r.startswith(TAG)} if not tags: # Either we're using git < 1.8.3, or there really are no tags. We use # a heuristic: assume all version tags have a digit. The old git %d @@ -618,429 +1196,1010 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose=False): # between branches and tags. By ignoring refnames without digits, we # filter out many common branch names like "release" and # "stabilization", as well as "HEAD" and "master". - tags = set([r for r in refs if re.search(r'\d', r)]) + tags = {r for r in refs if re.search(r'\d', r)} if verbose: - print("discarding '%s', no digits" % ",".join(refs-tags)) + print("discarding '%s', no digits" % ",".join(refs - tags)) if verbose: print("likely tags: %s" % ",".join(sorted(tags))) for ref in sorted(tags): # sorting will prefer e.g. "2.0" over "2.0rc1" if ref.startswith(tag_prefix): r = ref[len(tag_prefix):] + # Filter out refs that exactly match prefix or that don't start + # with a number once the prefix is stripped (mostly a concern + # when prefix is '') + if not re.match(r'\d', r): + continue if verbose: print("picking %s" % r) return {"version": r, - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": None, + "date": date} # no suitable tags, so version is "0+unknown", but full hex is still there if verbose: print("no suitable tags, using unknown + full revision id") return {"version": "0+unknown", - "full": keywords["full"].strip()} + "full-revisionid": keywords["full"].strip(), + "dirty": False, "error": "no suitable tags", "date": None} -def git_parse_vcs_describe(git_describe, tag_prefix, verbose=False): - # TAG-NUM-gHEX[-dirty] or HEX[-dirty] . TAG might have hyphens. +@register_vcs_handler("git", "pieces_from_vcs") +def git_pieces_from_vcs(tag_prefix, root, verbose, runner=run_command): + """Get version from 'git describe' in the root of the source tree. - # dirty - dirty = git_describe.endswith("-dirty") - if dirty: - git_describe = git_describe[:git_describe.rindex("-dirty")] - dirty_suffix = ".dirty" if dirty else "" + This only gets called if the git-archive 'subst' keywords were *not* + expanded, and _version.py hasn't already been rewritten with a short + version string, meaning we're inside a checked out source tree. + """ + GITS = ["git"] + if sys.platform == "win32": + GITS = ["git.cmd", "git.exe"] - # now we have TAG-NUM-gHEX or HEX + # GIT_DIR can interfere with correct operation of Versioneer. + # It may be intended to be passed to the Versioneer-versioned project, + # but that should not change where we get our version from. + env = os.environ.copy() + env.pop("GIT_DIR", None) + runner = functools.partial(runner, env=env) - if "-" not in git_describe: # just HEX - return "0+untagged.g"+git_describe+dirty_suffix, dirty + _, rc = runner(GITS, ["rev-parse", "--git-dir"], cwd=root, + hide_stderr=not verbose) + if rc != 0: + if verbose: + print("Directory %s not under git control" % root) + raise NotThisMethod("'git rev-parse --git-dir' returned error") + + # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty] + # if there isn't one, this yields HEX[-dirty] (no NUM) + describe_out, rc = runner(GITS, [ + "describe", "--tags", "--dirty", "--always", "--long", + "--match", f"{tag_prefix}[[:digit:]]*" + ], cwd=root) + # --long was added in git-1.5.5 + if describe_out is None: + raise NotThisMethod("'git describe' failed") + describe_out = describe_out.strip() + full_out, rc = runner(GITS, ["rev-parse", "HEAD"], cwd=root) + if full_out is None: + raise NotThisMethod("'git rev-parse' failed") + full_out = full_out.strip() + + pieces = {} + pieces["long"] = full_out + pieces["short"] = full_out[:7] # maybe improved later + pieces["error"] = None + + branch_name, rc = runner(GITS, ["rev-parse", "--abbrev-ref", "HEAD"], + cwd=root) + # --abbrev-ref was added in git-1.6.3 + if rc != 0 or branch_name is None: + raise NotThisMethod("'git rev-parse --abbrev-ref' returned error") + branch_name = branch_name.strip() + + if branch_name == "HEAD": + # If we aren't exactly on a branch, pick a branch which represents + # the current commit. If all else fails, we are on a branchless + # commit. + branches, rc = runner(GITS, ["branch", "--contains"], cwd=root) + # --contains was added in git-1.5.4 + if rc != 0 or branches is None: + raise NotThisMethod("'git branch --contains' returned error") + branches = branches.split("\n") + + # Remove the first line if we're running detached + if "(" in branches[0]: + branches.pop(0) + + # Strip off the leading "* " from the list of branches. + branches = [branch[2:] for branch in branches] + if "master" in branches: + branch_name = "master" + elif not branches: + branch_name = None + else: + # Pick the first branch that is returned. Good or bad. + branch_name = branches[0] - # just TAG-NUM-gHEX - mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) - if not mo: - # unparseable. Maybe git-describe is misbehaving? - return "0+unparseable"+dirty_suffix, dirty + pieces["branch"] = branch_name - # tag - full_tag = mo.group(1) - if not full_tag.startswith(tag_prefix): - if verbose: - fmt = "tag '%s' doesn't start with prefix '%s'" - print(fmt % (full_tag, tag_prefix)) - return None, dirty - tag = full_tag[len(tag_prefix):] + # parse describe_out. It will be like TAG-NUM-gHEX[-dirty] or HEX[-dirty] + # TAG might have hyphens. + git_describe = describe_out - # distance: number of commits since tag - distance = int(mo.group(2)) + # look for -dirty suffix + dirty = git_describe.endswith("-dirty") + pieces["dirty"] = dirty + if dirty: + git_describe = git_describe[:git_describe.rindex("-dirty")] - # commit: short hex revision ID - commit = mo.group(3) + # now we have TAG-NUM-gHEX or HEX - # now build up version string, with post-release "local version - # identifier". Our goal: TAG[+NUM.gHEX[.dirty]] . Note that if you get a - # tagged build and then dirty it, you'll get TAG+0.gHEX.dirty . So you - # can always test version.endswith(".dirty"). - version = tag - if distance or dirty: - version += "+%d.g%s" % (distance, commit) + dirty_suffix + if "-" in git_describe: + # TAG-NUM-gHEX + mo = re.search(r'^(.+)-(\d+)-g([0-9a-f]+)$', git_describe) + if not mo: + # unparsable. Maybe git-describe is misbehaving? + pieces["error"] = ("unable to parse git-describe output: '%s'" + % describe_out) + return pieces + + # tag + full_tag = mo.group(1) + if not full_tag.startswith(tag_prefix): + if verbose: + fmt = "tag '%s' doesn't start with prefix '%s'" + print(fmt % (full_tag, tag_prefix)) + pieces["error"] = ("tag '%s' doesn't start with prefix '%s'" + % (full_tag, tag_prefix)) + return pieces + pieces["closest-tag"] = full_tag[len(tag_prefix):] - return version, dirty + # distance: number of commits since tag + pieces["distance"] = int(mo.group(2)) + # commit: short hex revision ID + pieces["short"] = mo.group(3) -def git_versions_from_vcs(tag_prefix, root, verbose=False): - # this runs 'git' from the root of the source tree. This only gets called - # if the git-archive 'subst' keywords were *not* expanded, and - # _version.py hasn't already been rewritten with a short version string, - # meaning we're inside a checked out source tree. + else: + # HEX: no tags + pieces["closest-tag"] = None + out, rc = runner(GITS, ["rev-list", "HEAD", "--left-right"], cwd=root) + pieces["distance"] = len(out.split()) # total number of commits - if not os.path.exists(os.path.join(root, ".git")): - if verbose: - print("no .git in %s" % root) - return {} # get_versions() will try next method + # commit date: see ISO-8601 comment in git_versions_from_keywords() + date = runner(GITS, ["show", "-s", "--format=%ci", "HEAD"], cwd=root)[0].strip() + # Use only the last line. Previous lines may contain GPG signature + # information. + date = date.splitlines()[-1] + pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1) - GITS = ["git"] - if sys.platform == "win32": - GITS = ["git.cmd", "git.exe"] - # if there is a tag, this yields TAG-NUM-gHEX[-dirty] - # if there are no tags, this yields HEX[-dirty] (no NUM) - stdout = run_command(GITS, ["describe", "--tags", "--dirty", - "--always", "--long"], - cwd=root) - # --long was added in git-1.5.5 - if stdout is None: - return {} # try next method - version, dirty = git_parse_vcs_describe(stdout, tag_prefix, verbose) - - # build "full", which is FULLHEX[.dirty] - stdout = run_command(GITS, ["rev-parse", "HEAD"], cwd=root) - if stdout is None: - return {} - full = stdout.strip() - if dirty: - full += ".dirty" + return pieces - return {"version": version, "full": full} +def do_vcs_install(versionfile_source, ipy): + """Git-specific installation logic for Versioneer. -def do_vcs_install(manifest_in, versionfile_source, ipy): + For Git, this means creating/changing .gitattributes to mark _version.py + for export-subst keyword substitution. + """ GITS = ["git"] if sys.platform == "win32": GITS = ["git.cmd", "git.exe"] - files = [manifest_in, versionfile_source] + files = [versionfile_source] if ipy: files.append(ipy) - try: - me = __file__ - if me.endswith(".pyc") or me.endswith(".pyo"): - me = os.path.splitext(me)[0] + ".py" - versioneer_file = os.path.relpath(me) - except NameError: - versioneer_file = "versioneer.py" - files.append(versioneer_file) + if "VERSIONEER_PEP518" not in globals(): + try: + my_path = __file__ + if my_path.endswith((".pyc", ".pyo")): + my_path = os.path.splitext(my_path)[0] + ".py" + versioneer_file = os.path.relpath(my_path) + except NameError: + versioneer_file = "versioneer.py" + files.append(versioneer_file) present = False try: - f = open(".gitattributes", "r") - for line in f.readlines(): - if line.strip().startswith(versionfile_source): - if "export-subst" in line.strip().split()[1:]: - present = True - f.close() - except EnvironmentError: + with open(".gitattributes", "r") as fobj: + for line in fobj: + if line.strip().startswith(versionfile_source): + if "export-subst" in line.strip().split()[1:]: + present = True + break + except OSError: pass if not present: - f = open(".gitattributes", "a+") - f.write("%s export-subst\n" % versionfile_source) - f.close() + with open(".gitattributes", "a+") as fobj: + fobj.write(f"{versionfile_source} export-subst\n") files.append(".gitattributes") run_command(GITS, ["add", "--"] + files) -def versions_from_parentdir(parentdir_prefix, root, verbose=False): - # Source tarballs conventionally unpack into a directory that includes - # both the project name and a version string. - dirname = os.path.basename(root) - if not dirname.startswith(parentdir_prefix): - if verbose: - print("guessing rootdir is '%s', but '%s' doesn't start with " - "prefix '%s'" % (root, dirname, parentdir_prefix)) - return None - return {"version": dirname[len(parentdir_prefix):], "full": ""} +def versions_from_parentdir(parentdir_prefix, root, verbose): + """Try to determine the version from the parent directory name. + + Source tarballs conventionally unpack into a directory that includes both + the project name and a version string. We will also support searching up + two directory levels for an appropriately named parent directory + """ + rootdirs = [] + + for _ in range(3): + dirname = os.path.basename(root) + if dirname.startswith(parentdir_prefix): + return {"version": dirname[len(parentdir_prefix):], + "full-revisionid": None, + "dirty": False, "error": None, "date": None} + rootdirs.append(root) + root = os.path.dirname(root) # up a level + + if verbose: + print("Tried directories %s but none started with prefix %s" % + (str(rootdirs), parentdir_prefix)) + raise NotThisMethod("rootdir doesn't start with parentdir_prefix") + SHORT_VERSION_PY = """ -# This file was generated by 'versioneer.py' (0.14) from +# This file was generated by 'versioneer.py' (0.28) from # revision-control system data, or from the parent directory name of an # unpacked source archive. Distribution tarballs contain a pre-generated copy # of this file. -version_version = '%(version)s' -version_full = '%(full)s' -def get_versions(default={}, verbose=False): - return {'version': version_version, 'full': version_full} +import json + +version_json = ''' +%s +''' # END VERSION_JSON -""" -DEFAULT = {"version": "0+unknown", "full": "unknown"} +def get_versions(): + return json.loads(version_json) +""" def versions_from_file(filename): - versions = {} + """Try to determine the version from _version.py if present.""" try: with open(filename) as f: - for line in f.readlines(): - mo = re.match("version_version = '([^']+)'", line) - if mo: - versions["version"] = mo.group(1) - mo = re.match("version_full = '([^']+)'", line) - if mo: - versions["full"] = mo.group(1) - except EnvironmentError: - return {} - - return versions + contents = f.read() + except OSError: + raise NotThisMethod("unable to read _version.py") + mo = re.search(r"version_json = '''\n(.*)''' # END VERSION_JSON", + contents, re.M | re.S) + if not mo: + mo = re.search(r"version_json = '''\r\n(.*)''' # END VERSION_JSON", + contents, re.M | re.S) + if not mo: + raise NotThisMethod("no version_json in _version.py") + return json.loads(mo.group(1)) def write_to_version_file(filename, versions): + """Write the given version number to the given _version.py file.""" + os.unlink(filename) + contents = json.dumps(versions, sort_keys=True, + indent=1, separators=(",", ": ")) with open(filename, "w") as f: - f.write(SHORT_VERSION_PY % versions) + f.write(SHORT_VERSION_PY % contents) print("set %s to '%s'" % (filename, versions["version"])) -def get_root(): - try: - return os.path.dirname(os.path.abspath(__file__)) - except NameError: - return os.path.dirname(os.path.abspath(sys.argv[0])) +def plus_or_dot(pieces): + """Return a + if we don't already have one, else return a .""" + if "+" in pieces.get("closest-tag", ""): + return "." + return "+" -def vcs_function(vcs, suffix): - return getattr(sys.modules[__name__], '%s_%s' % (vcs, suffix), None) +def render_pep440(pieces): + """Build up version string, with post-release "local version identifier". + Our goal: TAG[+DISTANCE.gHEX[.dirty]] . Note that if you + get a tagged build and then dirty it, you'll get TAG+0.gHEX.dirty + + Exceptions: + 1: no tags. git_describe was just HEX. 0+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += plus_or_dot(pieces) + rendered += "%d.g%s" % (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0+untagged.%d.g%s" % (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_branch(pieces): + """TAG[[.dev0]+DISTANCE.gHEX[.dirty]] . + + The ".dev0" means not master branch. Note that .dev0 sorts backwards + (a feature branch will appear "older" than the master branch). + + Exceptions: + 1: no tags. 0[.dev0]+untagged.DISTANCE.gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "%d.g%s" % (pieces["distance"], pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0" + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+untagged.%d.g%s" % (pieces["distance"], + pieces["short"]) + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def pep440_split_post(ver): + """Split pep440 version string at the post-release segment. + + Returns the release segments before the post-release and the + post-release version number (or -1 if no post-release segment is present). + """ + vc = str.split(ver, ".post") + return vc[0], int(vc[1] or 0) if len(vc) == 2 else None + + +def render_pep440_pre(pieces): + """TAG[.postN.devDISTANCE] -- No -dirty. + + Exceptions: + 1: no tags. 0.post0.devDISTANCE + """ + if pieces["closest-tag"]: + if pieces["distance"]: + # update the post release segment + tag_version, post_version = pep440_split_post(pieces["closest-tag"]) + rendered = tag_version + if post_version is not None: + rendered += ".post%d.dev%d" % (post_version + 1, pieces["distance"]) + else: + rendered += ".post0.dev%d" % (pieces["distance"]) + else: + # no commits, use the tag as the version + rendered = pieces["closest-tag"] + else: + # exception #1 + rendered = "0.post0.dev%d" % pieces["distance"] + return rendered + + +def render_pep440_post(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX] . + + The ".dev0" means dirty. Note that .dev0 sorts backwards + (a dirty tree will appear "older" than the corresponding clean one), + but you shouldn't be releasing software with -dirty anyways. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%s" % pieces["short"] + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + rendered += "+g%s" % pieces["short"] + return rendered + + +def render_pep440_post_branch(pieces): + """TAG[.postDISTANCE[.dev0]+gHEX[.dirty]] . + + The ".dev0" means not master branch. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0]+gHEX[.dirty] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += plus_or_dot(pieces) + rendered += "g%s" % pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["branch"] != "master": + rendered += ".dev0" + rendered += "+g%s" % pieces["short"] + if pieces["dirty"]: + rendered += ".dirty" + return rendered + + +def render_pep440_old(pieces): + """TAG[.postDISTANCE[.dev0]] . + + The ".dev0" means dirty. + + Exceptions: + 1: no tags. 0.postDISTANCE[.dev0] + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"] or pieces["dirty"]: + rendered += ".post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + else: + # exception #1 + rendered = "0.post%d" % pieces["distance"] + if pieces["dirty"]: + rendered += ".dev0" + return rendered + + +def render_git_describe(pieces): + """TAG[-DISTANCE-gHEX][-dirty]. + + Like 'git describe --tags --dirty --always'. + + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + if pieces["distance"]: + rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered + + +def render_git_describe_long(pieces): + """TAG-DISTANCE-gHEX[-dirty]. + + Like 'git describe --tags --dirty --always -long'. + The distance/hash is unconditional. + + Exceptions: + 1: no tags. HEX[-dirty] (note: no 'g' prefix) + """ + if pieces["closest-tag"]: + rendered = pieces["closest-tag"] + rendered += "-%d-g%s" % (pieces["distance"], pieces["short"]) + else: + # exception #1 + rendered = pieces["short"] + if pieces["dirty"]: + rendered += "-dirty" + return rendered + + +def render(pieces, style): + """Render the given version pieces into the requested style.""" + if pieces["error"]: + return {"version": "unknown", + "full-revisionid": pieces.get("long"), + "dirty": None, + "error": pieces["error"], + "date": None} + + if not style or style == "default": + style = "pep440" # the default + + if style == "pep440": + rendered = render_pep440(pieces) + elif style == "pep440-branch": + rendered = render_pep440_branch(pieces) + elif style == "pep440-pre": + rendered = render_pep440_pre(pieces) + elif style == "pep440-post": + rendered = render_pep440_post(pieces) + elif style == "pep440-post-branch": + rendered = render_pep440_post_branch(pieces) + elif style == "pep440-old": + rendered = render_pep440_old(pieces) + elif style == "git-describe": + rendered = render_git_describe(pieces) + elif style == "git-describe-long": + rendered = render_git_describe_long(pieces) + else: + raise ValueError("unknown style '%s'" % style) + + return {"version": rendered, "full-revisionid": pieces["long"], + "dirty": pieces["dirty"], "error": None, + "date": pieces.get("date")} + + +class VersioneerBadRootError(Exception): + """The project root directory is unknown or missing key files.""" + + +def get_versions(verbose=False): + """Get the project version from whatever source is available. + + Returns dict with two keys: 'version' and 'full'. + """ + if "versioneer" in sys.modules: + # see the discussion in cmdclass.py:get_cmdclass() + del sys.modules["versioneer"] -def get_versions(default=DEFAULT, verbose=False): - # returns dict with two keys: 'version' and 'full' - assert versionfile_source is not None, \ - "please set versioneer.versionfile_source" - assert tag_prefix is not None, "please set versioneer.tag_prefix" - assert parentdir_prefix is not None, \ - "please set versioneer.parentdir_prefix" - assert VCS is not None, "please set versioneer.VCS" - - # I am in versioneer.py, which must live at the top of the source tree, - # which we use to compute the root directory. py2exe/bbfreeze/non-CPython - # don't have __file__, in which case we fall back to sys.argv[0] (which - # ought to be the setup.py script). We prefer __file__ since that's more - # robust in cases where setup.py was invoked in some weird way (e.g. pip) root = get_root() - versionfile_abs = os.path.join(root, versionfile_source) + cfg = get_config_from_root(root) + + assert cfg.VCS is not None, "please set [versioneer]VCS= in setup.cfg" + handlers = HANDLERS.get(cfg.VCS) + assert handlers, "unrecognized VCS '%s'" % cfg.VCS + verbose = verbose or cfg.verbose + assert cfg.versionfile_source is not None, \ + "please set versioneer.versionfile_source" + assert cfg.tag_prefix is not None, "please set versioneer.tag_prefix" + + versionfile_abs = os.path.join(root, cfg.versionfile_source) - # extract version from first of _version.py, VCS command (e.g. 'git + # extract version from first of: _version.py, VCS command (e.g. 'git # describe'), parentdir. This is meant to work for developers using a # source checkout, for users of a tarball created by 'setup.py sdist', # and for users of a tarball/zipball created by 'git archive' or github's # download-from-tag feature or the equivalent in other VCSes. - get_keywords_f = vcs_function(VCS, "get_keywords") - versions_from_keywords_f = vcs_function(VCS, "versions_from_keywords") - if get_keywords_f and versions_from_keywords_f: - vcs_keywords = get_keywords_f(versionfile_abs) - ver = versions_from_keywords_f(vcs_keywords, tag_prefix) - if ver: + get_keywords_f = handlers.get("get_keywords") + from_keywords_f = handlers.get("keywords") + if get_keywords_f and from_keywords_f: + try: + keywords = get_keywords_f(versionfile_abs) + ver = from_keywords_f(keywords, cfg.tag_prefix, verbose) if verbose: print("got version from expanded keyword %s" % ver) return ver + except NotThisMethod: + pass - ver = versions_from_file(versionfile_abs) - if ver: + try: + ver = versions_from_file(versionfile_abs) if verbose: print("got version from file %s %s" % (versionfile_abs, ver)) return ver + except NotThisMethod: + pass - versions_from_vcs_f = vcs_function(VCS, "versions_from_vcs") - if versions_from_vcs_f: - ver = versions_from_vcs_f(tag_prefix, root, verbose) - if ver: + from_vcs_f = handlers.get("pieces_from_vcs") + if from_vcs_f: + try: + pieces = from_vcs_f(cfg.tag_prefix, root, verbose) + ver = render(pieces, cfg.style) if verbose: print("got version from VCS %s" % ver) return ver + except NotThisMethod: + pass - ver = versions_from_parentdir(parentdir_prefix, root, verbose) - if ver: - if verbose: - print("got version from parentdir %s" % ver) - return ver + try: + if cfg.parentdir_prefix: + ver = versions_from_parentdir(cfg.parentdir_prefix, root, verbose) + if verbose: + print("got version from parentdir %s" % ver) + return ver + except NotThisMethod: + pass if verbose: - print("got version from default %s" % default) - return default + print("unable to compute version") + + return {"version": "0+unknown", "full-revisionid": None, + "dirty": None, "error": "unable to compute version", + "date": None} + + +def get_version(): + """Get the short version string for this project.""" + return get_versions()["version"] + + +def get_cmdclass(cmdclass=None): + """Get the custom setuptools subclasses used by Versioneer. + + If the package uses a different cmdclass (e.g. one from numpy), it + should be provide as an argument. + """ + if "versioneer" in sys.modules: + del sys.modules["versioneer"] + # this fixes the "python setup.py develop" case (also 'install' and + # 'easy_install .'), in which subdependencies of the main project are + # built (using setup.py bdist_egg) in the same python process. Assume + # a main project A and a dependency B, which use different versions + # of Versioneer. A's setup.py imports A's Versioneer, leaving it in + # sys.modules by the time B's setup.py is executed, causing B to run + # with the wrong versioneer. Setuptools wraps the sub-dep builds in a + # sandbox that restores sys.modules to it's pre-build state, so the + # parent is protected against the child's "import versioneer". By + # removing ourselves from sys.modules here, before the child build + # happens, we protect the child from the parent's versioneer too. + # Also see https://github.com/python-versioneer/python-versioneer/issues/52 + + cmds = {} if cmdclass is None else cmdclass.copy() + + # we add "version" to setuptools + from setuptools import Command + + class cmd_version(Command): + description = "report generated version string" + user_options = [] + boolean_options = [] + + def initialize_options(self): + pass + def finalize_options(self): + pass -def get_version(verbose=False): - return get_versions(verbose=verbose)["version"] + def run(self): + vers = get_versions(verbose=True) + print("Version: %s" % vers["version"]) + print(" full-revisionid: %s" % vers.get("full-revisionid")) + print(" dirty: %s" % vers.get("dirty")) + print(" date: %s" % vers.get("date")) + if vers["error"]: + print(" error: %s" % vers["error"]) + cmds["version"] = cmd_version + + # we override "build_py" in setuptools + # + # most invocation pathways end up running build_py: + # distutils/build -> build_py + # distutils/install -> distutils/build ->.. + # setuptools/bdist_wheel -> distutils/install ->.. + # setuptools/bdist_egg -> distutils/install_lib -> build_py + # setuptools/install -> bdist_egg ->.. + # setuptools/develop -> ? + # pip install: + # copies source tree to a tempdir before running egg_info/etc + # if .git isn't copied too, 'git describe' will fail + # then does setup.py bdist_wheel, or sometimes setup.py install + # setup.py egg_info -> ? + + # pip install -e . and setuptool/editable_wheel will invoke build_py + # but the build_py command is not expected to copy any files. + + # we override different "build_py" commands for both environments + if 'build_py' in cmds: + _build_py = cmds['build_py'] + else: + from setuptools.command.build_py import build_py as _build_py + class cmd_build_py(_build_py): + def run(self): + root = get_root() + cfg = get_config_from_root(root) + versions = get_versions() + _build_py.run(self) + if getattr(self, "editable_mode", False): + # During editable installs `.py` and data files are + # not copied to build_lib + return + # now locate _version.py in the new build/ directory and replace + # it with an updated value + if cfg.versionfile_build: + target_versionfile = os.path.join(self.build_lib, + cfg.versionfile_build) + print("UPDATING %s" % target_versionfile) + write_to_version_file(target_versionfile, versions) + cmds["build_py"] = cmd_build_py + + if 'build_ext' in cmds: + _build_ext = cmds['build_ext'] + else: + from setuptools.command.build_ext import build_ext as _build_ext -class cmd_version(Command): - description = "report generated version string" - user_options = [] - boolean_options = [] + class cmd_build_ext(_build_ext): + def run(self): + root = get_root() + cfg = get_config_from_root(root) + versions = get_versions() + _build_ext.run(self) + if self.inplace: + # build_ext --inplace will only build extensions in + # build/lib<..> dir with no _version.py to write to. + # As in place builds will already have a _version.py + # in the module dir, we do not need to write one. + return + # now locate _version.py in the new build/ directory and replace + # it with an updated value + if not cfg.versionfile_build: + return + target_versionfile = os.path.join(self.build_lib, + cfg.versionfile_build) + if not os.path.exists(target_versionfile): + print(f"Warning: {target_versionfile} does not exist, skipping " + "version update. This can happen if you are running build_ext " + "without first running build_py.") + return + print("UPDATING %s" % target_versionfile) + write_to_version_file(target_versionfile, versions) + cmds["build_ext"] = cmd_build_ext + + if "cx_Freeze" in sys.modules: # cx_freeze enabled? + from cx_Freeze.dist import build_exe as _build_exe + # nczeczulin reports that py2exe won't like the pep440-style string + # as FILEVERSION, but it can be used for PRODUCTVERSION, e.g. + # setup(console=[{ + # "version": versioneer.get_version().split("+", 1)[0], # FILEVERSION + # "product_version": versioneer.get_version(), + # ... + + class cmd_build_exe(_build_exe): + def run(self): + root = get_root() + cfg = get_config_from_root(root) + versions = get_versions() + target_versionfile = cfg.versionfile_source + print("UPDATING %s" % target_versionfile) + write_to_version_file(target_versionfile, versions) + + _build_exe.run(self) + os.unlink(target_versionfile) + with open(cfg.versionfile_source, "w") as f: + LONG = LONG_VERSION_PY[cfg.VCS] + f.write(LONG % + {"DOLLAR": "$", + "STYLE": cfg.style, + "TAG_PREFIX": cfg.tag_prefix, + "PARENTDIR_PREFIX": cfg.parentdir_prefix, + "VERSIONFILE_SOURCE": cfg.versionfile_source, + }) + cmds["build_exe"] = cmd_build_exe + del cmds["build_py"] + + if 'py2exe' in sys.modules: # py2exe enabled? + try: + from py2exe.setuptools_buildexe import py2exe as _py2exe + except ImportError: + from py2exe.distutils_buildexe import py2exe as _py2exe + + class cmd_py2exe(_py2exe): + def run(self): + root = get_root() + cfg = get_config_from_root(root) + versions = get_versions() + target_versionfile = cfg.versionfile_source + print("UPDATING %s" % target_versionfile) + write_to_version_file(target_versionfile, versions) + + _py2exe.run(self) + os.unlink(target_versionfile) + with open(cfg.versionfile_source, "w") as f: + LONG = LONG_VERSION_PY[cfg.VCS] + f.write(LONG % + {"DOLLAR": "$", + "STYLE": cfg.style, + "TAG_PREFIX": cfg.tag_prefix, + "PARENTDIR_PREFIX": cfg.parentdir_prefix, + "VERSIONFILE_SOURCE": cfg.versionfile_source, + }) + cmds["py2exe"] = cmd_py2exe + + # sdist farms its file list building out to egg_info + if 'egg_info' in cmds: + _egg_info = cmds['egg_info'] + else: + from setuptools.command.egg_info import egg_info as _egg_info + + class cmd_egg_info(_egg_info): + def find_sources(self): + # egg_info.find_sources builds the manifest list and writes it + # in one shot + super().find_sources() + + # Modify the filelist and normalize it + root = get_root() + cfg = get_config_from_root(root) + self.filelist.append('versioneer.py') + if cfg.versionfile_source: + # There are rare cases where versionfile_source might not be + # included by default, so we must be explicit + self.filelist.append(cfg.versionfile_source) + self.filelist.sort() + self.filelist.remove_duplicates() + + # The write method is hidden in the manifest_maker instance that + # generated the filelist and was thrown away + # We will instead replicate their final normalization (to unicode, + # and POSIX-style paths) + from setuptools import unicode_utils + normalized = [unicode_utils.filesys_decode(f).replace(os.sep, '/') + for f in self.filelist.files] + + manifest_filename = os.path.join(self.egg_info, 'SOURCES.txt') + with open(manifest_filename, 'w') as fobj: + fobj.write('\n'.join(normalized)) + + cmds['egg_info'] = cmd_egg_info + + # we override different "sdist" commands for both environments + if 'sdist' in cmds: + _sdist = cmds['sdist'] + else: + from setuptools.command.sdist import sdist as _sdist - def initialize_options(self): - pass + class cmd_sdist(_sdist): + def run(self): + versions = get_versions() + self._versioneer_generated_versions = versions + # unless we update this, the command will keep using the old + # version + self.distribution.metadata.version = versions["version"] + return _sdist.run(self) + + def make_release_tree(self, base_dir, files): + root = get_root() + cfg = get_config_from_root(root) + _sdist.make_release_tree(self, base_dir, files) + # now locate _version.py in the new base_dir directory + # (remembering that it may be a hardlink) and replace it with an + # updated value + target_versionfile = os.path.join(base_dir, cfg.versionfile_source) + print("UPDATING %s" % target_versionfile) + write_to_version_file(target_versionfile, + self._versioneer_generated_versions) + cmds["sdist"] = cmd_sdist - def finalize_options(self): - pass + return cmds - def run(self): - ver = get_version(verbose=True) - print("Version is currently: %s" % ver) +CONFIG_ERROR = """ +setup.cfg is missing the necessary Versioneer configuration. You need +a section like: -class cmd_build(_build): - def run(self): - versions = get_versions(verbose=True) - _build.run(self) - # now locate _version.py in the new build/ directory and replace it - # with an updated value - if versionfile_build: - target_versionfile = os.path.join(self.build_lib, - versionfile_build) - print("UPDATING %s" % target_versionfile) - os.unlink(target_versionfile) - with open(target_versionfile, "w") as f: - f.write(SHORT_VERSION_PY % versions) + [versioneer] + VCS = git + style = pep440 + versionfile_source = src/myproject/_version.py + versionfile_build = myproject/_version.py + tag_prefix = + parentdir_prefix = myproject- -if 'cx_Freeze' in sys.modules: # cx_freeze enabled? - from cx_Freeze.dist import build_exe as _build_exe +You will also need to edit your setup.py to use the results: - class cmd_build_exe(_build_exe): - def run(self): - versions = get_versions(verbose=True) - target_versionfile = versionfile_source - print("UPDATING %s" % target_versionfile) - os.unlink(target_versionfile) - with open(target_versionfile, "w") as f: - f.write(SHORT_VERSION_PY % versions) - - _build_exe.run(self) - os.unlink(target_versionfile) - with open(versionfile_source, "w") as f: - assert VCS is not None, "please set versioneer.VCS" - LONG = LONG_VERSION_PY[VCS] - f.write(LONG % {"DOLLAR": "$", - "TAG_PREFIX": tag_prefix, - "PARENTDIR_PREFIX": parentdir_prefix, - "VERSIONFILE_SOURCE": versionfile_source, - }) - - -class cmd_sdist(_sdist): - def run(self): - versions = get_versions(verbose=True) - self._versioneer_generated_versions = versions - # unless we update this, the command will keep using the old version - self.distribution.metadata.version = versions["version"] - return _sdist.run(self) - - def make_release_tree(self, base_dir, files): - _sdist.make_release_tree(self, base_dir, files) - # now locate _version.py in the new base_dir directory (remembering - # that it may be a hardlink) and replace it with an updated value - target_versionfile = os.path.join(base_dir, versionfile_source) - print("UPDATING %s" % target_versionfile) - os.unlink(target_versionfile) - with open(target_versionfile, "w") as f: - f.write(SHORT_VERSION_PY % self._versioneer_generated_versions) + import versioneer + setup(version=versioneer.get_version(), + cmdclass=versioneer.get_cmdclass(), ...) -INIT_PY_SNIPPET = """ +Please read the docstring in ./versioneer.py for configuration instructions, +edit setup.cfg, and re-run the installer or 'python versioneer.py setup'. +""" + +SAMPLE_CONFIG = """ +# See the docstring in versioneer.py for instructions. Note that you must +# re-run 'versioneer.py setup' after changing this section, and commit the +# resulting files. + +[versioneer] +#VCS = git +#style = pep440 +#versionfile_source = +#versionfile_build = +#tag_prefix = +#parentdir_prefix = + +""" + +OLD_SNIPPET = """ from ._version import get_versions __version__ = get_versions()['version'] del get_versions """ +INIT_PY_SNIPPET = """ +from . import {0} +__version__ = {0}.get_versions()['version'] +""" -class cmd_update_files(Command): - description = ("install/upgrade Versioneer files: " - "__init__.py SRC/_version.py") - user_options = [] - boolean_options = [] - - def initialize_options(self): - pass - - def finalize_options(self): - pass - def run(self): - print(" creating %s" % versionfile_source) - with open(versionfile_source, "w") as f: - assert VCS is not None, "please set versioneer.VCS" - LONG = LONG_VERSION_PY[VCS] - f.write(LONG % {"DOLLAR": "$", - "TAG_PREFIX": tag_prefix, - "PARENTDIR_PREFIX": parentdir_prefix, - "VERSIONFILE_SOURCE": versionfile_source, - }) - - ipy = os.path.join(os.path.dirname(versionfile_source), "__init__.py") - if os.path.exists(ipy): - try: - with open(ipy, "r") as f: - old = f.read() - except EnvironmentError: - old = "" - if INIT_PY_SNIPPET not in old: - print(" appending to %s" % ipy) - with open(ipy, "a") as f: - f.write(INIT_PY_SNIPPET) - else: - print(" %s unmodified" % ipy) - else: - print(" %s doesn't exist, ok" % ipy) - ipy = None - - # Make sure both the top-level "versioneer.py" and versionfile_source - # (PKG/_version.py, used by runtime code) are in MANIFEST.in, so - # they'll be copied into source distributions. Pip won't be able to - # install the package without this. - manifest_in = os.path.join(get_root(), "MANIFEST.in") - simple_includes = set() +def do_setup(): + """Do main VCS-independent setup function for installing Versioneer.""" + root = get_root() + try: + cfg = get_config_from_root(root) + except (OSError, configparser.NoSectionError, + configparser.NoOptionError) as e: + if isinstance(e, (OSError, configparser.NoSectionError)): + print("Adding sample versioneer config to setup.cfg", + file=sys.stderr) + with open(os.path.join(root, "setup.cfg"), "a") as f: + f.write(SAMPLE_CONFIG) + print(CONFIG_ERROR, file=sys.stderr) + return 1 + + print(" creating %s" % cfg.versionfile_source) + with open(cfg.versionfile_source, "w") as f: + LONG = LONG_VERSION_PY[cfg.VCS] + f.write(LONG % {"DOLLAR": "$", + "STYLE": cfg.style, + "TAG_PREFIX": cfg.tag_prefix, + "PARENTDIR_PREFIX": cfg.parentdir_prefix, + "VERSIONFILE_SOURCE": cfg.versionfile_source, + }) + + ipy = os.path.join(os.path.dirname(cfg.versionfile_source), + "__init__.py") + if os.path.exists(ipy): try: - with open(manifest_in, "r") as f: - for line in f: - if line.startswith("include "): - for include in line.split()[1:]: - simple_includes.add(include) - except EnvironmentError: - pass - # That doesn't cover everything MANIFEST.in can do - # (http://docs.python.org/2/distutils/sourcedist.html#commands), so - # it might give some false negatives. Appending redundant 'include' - # lines is safe, though. - if "versioneer.py" not in simple_includes: - print(" appending 'versioneer.py' to MANIFEST.in") - with open(manifest_in, "a") as f: - f.write("include versioneer.py\n") - else: - print(" 'versioneer.py' already in MANIFEST.in") - if versionfile_source not in simple_includes: - print(" appending versionfile_source ('%s') to MANIFEST.in" % - versionfile_source) - with open(manifest_in, "a") as f: - f.write("include %s\n" % versionfile_source) + with open(ipy, "r") as f: + old = f.read() + except OSError: + old = "" + module = os.path.splitext(os.path.basename(cfg.versionfile_source))[0] + snippet = INIT_PY_SNIPPET.format(module) + if OLD_SNIPPET in old: + print(" replacing boilerplate in %s" % ipy) + with open(ipy, "w") as f: + f.write(old.replace(OLD_SNIPPET, snippet)) + elif snippet not in old: + print(" appending to %s" % ipy) + with open(ipy, "a") as f: + f.write(snippet) else: - print(" versionfile_source already in MANIFEST.in") - - # Make VCS-specific changes. For git, this means creating/changing - # .gitattributes to mark _version.py for export-time keyword - # substitution. - do_vcs_install(manifest_in, versionfile_source, ipy) - - -def get_cmdclass(): - cmds = {'version': cmd_version, - 'versioneer': cmd_update_files, - 'build': cmd_build, - 'sdist': cmd_sdist, - } - if 'cx_Freeze' in sys.modules: # cx_freeze enabled? - cmds['build_exe'] = cmd_build_exe - del cmds['build'] - - return cmds + print(" %s unmodified" % ipy) + else: + print(" %s doesn't exist, ok" % ipy) + ipy = None + + # Make VCS-specific changes. For git, this means creating/changing + # .gitattributes to mark _version.py for export-subst keyword + # substitution. + do_vcs_install(cfg.versionfile_source, ipy) + return 0 + + +def scan_setup_py(): + """Validate the contents of setup.py against Versioneer's expectations.""" + found = set() + setters = False + errors = 0 + with open("setup.py", "r") as f: + for line in f.readlines(): + if "import versioneer" in line: + found.add("import") + if "versioneer.get_cmdclass()" in line: + found.add("cmdclass") + if "versioneer.get_version()" in line: + found.add("get_version") + if "versioneer.VCS" in line: + setters = True + if "versioneer.versionfile_source" in line: + setters = True + if len(found) != 3: + print("") + print("Your setup.py appears to be missing some important items") + print("(but I might be wrong). Please make sure it has something") + print("roughly like the following:") + print("") + print(" import versioneer") + print(" setup( version=versioneer.get_version(),") + print(" cmdclass=versioneer.get_cmdclass(), ...)") + print("") + errors += 1 + if setters: + print("You should remove lines like 'versioneer.VCS = ' and") + print("'versioneer.versionfile_source = ' . This configuration") + print("now lives in setup.cfg, and should be removed from setup.py") + print("") + errors += 1 + return errors + + +def setup_command(): + """Set up Versioneer and exit with appropriate error code.""" + errors = do_setup() + errors += scan_setup_py() + sys.exit(1 if errors else 0) + + +if __name__ == "__main__": + cmd = sys.argv[1] + if cmd == "setup": + setup_command()