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setup.py
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# python-exiv2 - Python interface to libexiv2
# http://github.com/jim-easterbrook/python-exiv2
# Copyright (C) 2021-24 Jim Easterbrook [email protected]
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from setuptools import setup, Extension
from setuptools import __version__ as setuptools_version
import os
import re
import subprocess
import sys
def pkg_config(library, option):
cmd = ['pkg-config', '--' + option, library]
try:
return subprocess.check_output(cmd, universal_newlines=True).strip()
except Exception as ex:
print(str(ex))
return None
def get_version(inc_dir):
with open(os.path.join(inc_dir, 'exiv2', 'exv_conf.h')) as cnf:
for line in cnf.readlines():
words = line.split()
if len(words) < 3:
continue
if words[0] == '#define' and words[1] == 'EXV_PACKAGE_VERSION':
return [int(x) for x in eval(words[2]).split('.')]
return [0, 0]
# get list of available swigged versions
swigged_versions = []
for name in os.listdir('src'):
parts = name.split('-')
if parts[0] == 'swig' and parts[1] not in swigged_versions:
swigged_versions.append([int(x) for x in parts[1].split('_')])
swigged_versions.sort()
def get_mod_src_dir(exiv2_version):
if len(exiv2_version) < 3:
exiv2_version += [0]
swigged_versions.sort()
for v in swigged_versions:
if v >= exiv2_version and v[:2] == exiv2_version[:2]:
return os.path.join('src', 'swig-{}_{}_{}'.format(*v))
swigged_versions.sort(reverse=True)
for v in swigged_versions:
if v[:2] == exiv2_version[:2]:
return os.path.join('src', 'swig-{}_{}_{}'.format(*v))
return None
mod_src_dir = None
platform = sys.platform
if platform == 'win32' and 'GCC' in sys.version:
platform = 'mingw'
packages = ['exiv2', 'exiv2.examples']
package_dir = {'exiv2.examples': 'examples'}
package_data = {'exiv2.examples': ['*.py', '*.rst']}
if 'EXIV2_ROOT' in os.environ:
# use local copy of libexiv2
exiv2_root = os.path.normpath(os.environ['EXIV2_ROOT'])
# header files
path = os.path.join(exiv2_root, 'include')
if not os.path.isfile(os.path.join(path, 'exiv2', 'exiv2.hpp')):
print('ERROR: Include files not found')
sys.exit(1)
include_dirs = [path]
# library files
packages.append('exiv2.lib')
if platform == 'linux':
path = os.path.join(exiv2_root, 'lib64')
if not os.path.exists(path):
path = os.path.join(exiv2_root, 'lib')
library_dirs = [path]
package_dir['exiv2.lib'] = path
package_data['exiv2.lib'] = [x for x in os.listdir(path)
if re.fullmatch('libexiv2\.so\.\d+', x)]
elif platform == 'darwin':
path = os.path.join(exiv2_root, 'lib')
library_dirs = [path]
package_dir['exiv2.lib'] = path
package_data['exiv2.lib'] = [x for x in os.listdir(path)
if re.fullmatch('libexiv2\.\d+\.dylib', x)]
elif platform in ('win32', 'mingw'):
library_dirs = [os.path.join(exiv2_root, 'lib')]
package_dir['exiv2.lib'] = os.path.join(exiv2_root, 'bin')
package_data['exiv2.lib'] = ['*.dll']
if not os.path.isdir(package_dir['exiv2.lib']):
print('ERROR: Library files not found')
sys.exit(1)
# locale files
path = os.path.join(exiv2_root, 'share', 'locale')
if not os.path.isdir(path):
print('WARNING: Locale files not found')
else:
packages.append('exiv2.locale')
package_dir['exiv2.locale'] = path
package_data['exiv2.locale'] = ['*/LC_MESSAGES/exiv2.mo']
for name in os.listdir(path):
if os.path.isfile(os.path.join(
path, name, 'LC_MESSAGES', 'exiv2.mo')):
packages.append('exiv2.locale.' + name + '.' + 'LC_MESSAGES')
# get exiv2 version from include files
exiv2_version = get_version(include_dirs[0])
mod_src_dir = get_mod_src_dir(exiv2_version)
if platform == 'linux':
extra_link_args = ['-Wl,-rpath,$ORIGIN/lib']
elif platform == 'darwin':
extra_link_args = ['-Wl,-rpath,@loader_path/lib']
else:
extra_link_args = []
else:
# use installed libexiv2
exiv2_version = pkg_config('exiv2', 'modversion')
if exiv2_version:
exiv2_version = [int(x) for x in exiv2_version.split('.')]
mod_src_dir = get_mod_src_dir(exiv2_version)
if mod_src_dir:
library_dirs = pkg_config('exiv2', 'libs-only-L').split('-L')
library_dirs = [x.strip() for x in library_dirs]
library_dirs = [x.replace(r'\ ', ' ') for x in library_dirs if x]
include_dirs = pkg_config('exiv2', 'cflags-only-I').split('-I')
include_dirs = [x.strip() for x in include_dirs]
include_dirs = [x.replace(r'\ ', ' ') for x in include_dirs if x]
extra_link_args = []
if not mod_src_dir:
print('ERROR: No SWIG source for libexiv2 version {}'.format(exiv2_version))
sys.exit(1)
print('Using libexiv2 v{} with SWIG files from {}'.format(
'.'.join(map(str, exiv2_version)), mod_src_dir))
package_dir['exiv2'] = mod_src_dir
# create extension modules list
ext_modules = []
extra_compile_args = []
define_macros = [('PY_SSIZE_T_CLEAN', None),
('SWIG_TYPE_TABLE', 'exiv2')]
if platform in ('linux', 'darwin', 'mingw'):
extra_compile_args = [
'-O3', '-Wno-unused-variable', '-Wno-unused-function',
'-Wno-deprecated-declarations', '-Wno-deprecated']
if platform in ['linux', 'mingw']:
extra_compile_args.append('-Wno-unused-but-set-variable')
if 'PYTHON_EXIV2_STRICT' in os.environ:
extra_compile_args.append('-Werror')
if exiv2_version >= [0, 28]:
extra_compile_args.append('-std=gnu++17')
else:
extra_compile_args.append('-std=c++98')
if platform == 'win32':
extra_compile_args = ['/wd4101', '/wd4290']
if platform == 'darwin':
cmd = ['brew', '--prefix']
try:
prefix = subprocess.check_output(cmd, universal_newlines=True).strip()
include_dirs.append(os.path.join(prefix, 'include'))
library_dirs.append(os.path.join(prefix, 'lib'))
except Exception as ex:
print(str(ex))
for file_name in os.listdir(mod_src_dir):
if file_name[-9:] != '_wrap.cxx':
continue
ext_name = file_name[:-9]
ext_modules.append(Extension(
'_' + ext_name,
sources = [os.path.join(mod_src_dir, file_name)],
include_dirs = include_dirs,
extra_compile_args = extra_compile_args,
define_macros = define_macros,
libraries = ['exiv2'],
library_dirs = library_dirs,
extra_link_args = extra_link_args,
))
setup_kwds = {
'ext_package': 'exiv2',
'ext_modules': ext_modules,
'packages': packages,
'package_dir': package_dir,
'package_data': package_data,
'exclude_package_data': {'exiv2': ['*.cxx']},
}
if tuple(map(int, setuptools_version.split('.')[:2])) < (61, 0):
# get metadata from pyproject.toml
import toml
metadata = toml.load('pyproject.toml')
with open(metadata['project']['readme']) as ldf:
long_description = ldf.read()
py_exiv2_version = long_description.splitlines()[0].split()[-1]
setup_kwds.update(
name = metadata['project']['name'],
version = py_exiv2_version,
description = metadata['project']['description'],
long_description = long_description,
author = metadata['project']['authors'][0]['name'],
author_email = metadata['project']['authors'][0]['email'],
url = metadata['project']['urls']['Homepage'],
classifiers = metadata['project']['classifiers'],
platforms = metadata['tool']['setuptools']['platforms'],
license = metadata['project']['license']['text'],
zip_safe = metadata['tool']['setuptools']['zip-safe'],
)
setup(**setup_kwds)