adding weekly meeting notes script

Moving from the Gist at:

https://gist.github.com/sklam/e526a302eaefd405dbb2bae52d075012

To the `numba/maint` directory.

maint/github_weekly_meeting.py

@@ -0,0 +1,123 @@
+#! /usr/bin/env python
+
+import sys, os
+from datetime import datetime, timedelta
+from pprint import pprint
+from getpass import getpass
+
+from github3 import login
+import github3
+
+
+def fetch(target_repo, last_num, gh):
+    orgname, reponame = target_repo.split('/', 1)
+
+    repo = gh.repository(orgname, reponame)
+    issues = repo.issues(state='all')
+
+    opened_issues = []
+    closed_issues = []
+
+    opened_prs = []
+    closed_prs = []
+
+    max_iss_num = 0
+    for issue in issues:
+        info = issue.as_dict()
+        iss_num = int(info['number'])
+        max_iss_num = max(max_iss_num, iss_num)
+
+        if iss_num <= last_num:
+            break
+        merged = False
+        if issue.pull_request_urls:
+            # Is PR?
+            merged = bool(info['pull_request'].get("merged_at"))
+            where = {'opened': opened_prs, 'closed': closed_prs}
+        else:
+            # Is Issues
+            where = {'opened': opened_issues, 'closed': closed_issues}
+
+        fmt = '- [{}#{}]({}) - {}'
+        if merged:
+            fmt = "- merged " + fmt
+        line = fmt.format(
+            reponame,
+            info['number'],
+            info['html_url'],
+            info['title'],
+            )
+
+        # Is issue already merged
+        if issue.is_closed():
+            where['closed'].append(line)
+        else:
+            where['opened'].append(line)
+
+    return {
+        'opened_issues': opened_issues,
+        'closed_issues': closed_issues,
+        'opened_prs': opened_prs,
+        'closed_prs': closed_prs,
+        'max_iss_num': max_iss_num,
+    }
+
+def display(data):
+    print("## 1. New Issues")
+    for line in reversed(data['opened_issues']):
+        print(line)
+    print()
+
+    print("### Closed Issues")
+    for line in reversed(data['closed_issues']):
+        print(line)
+    print()
+
+    print("## 2. New PRs")
+    for line in reversed(data['opened_prs']):
+        print(line)
+    print()
+
+    print("### Closed PRs")
+    for line in reversed(data['closed_prs']):
+        print(line)
+    print()
+
+
+def main(numba_last_num, llvmlite_last_num, user=None, password=None):
+
+    if user is not None and password is not None:
+        gh = login(str(user), password=str(password))
+    else:
+        gh = github3
+    numba_data = fetch("numba/numba", numba_last_num, gh)
+    llvmlite_data = fetch("numba/llvmlite", llvmlite_last_num, gh)
+
+    # combine data
+    data = {
+        'opened_issues': llvmlite_data['opened_issues'] + numba_data['opened_issues'],
+        'closed_issues': llvmlite_data['closed_issues'] + numba_data['closed_issues'],
+        'opened_prs': llvmlite_data['opened_prs'] + numba_data['opened_prs'],
+        'closed_prs': llvmlite_data['closed_prs'] + numba_data['closed_prs'],
+    }
+
+    display(data)
+
+    print(f"(last numba: {numba_data['max_iss_num']}; llvmlite {llvmlite_data['max_iss_num']})")
+
+help_msg = """
+Usage:
+    {program_name} <numba_last_num> <llvmlite_last_num>
+"""
+
+if __name__ == '__main__':
+    program_name = sys.argv[0]
+    try:
+        [numba_last_num, llvmlite_last_num] = sys.argv[1:]
+    except ValueError:
+        print(help_msg.format(program_name=program_name))
+    else:
+        main(int(numba_last_num),
+             int(llvmlite_last_num),
+             user=os.environ.get("GHUSER"),
+             password=os.environ.get("GHPASS"))