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#!/usr/bin/env python
"""Simple tools to query github.com and gather stats about issues.
To generate a report for IPython 2.0, run:
python github_stats.py --milestone 2.0 --since-tag rel-1.0.0
"""
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import codecs
import sys
from argparse import ArgumentParser
from datetime import datetime, timedelta
from subprocess import check_output
from gh_api import (
get_paged_request, make_auth_header, get_pull_request, is_pull_request,
get_milestone_id, get_issues_list, get_authors,
)
#-----------------------------------------------------------------------------
# Globals
#-----------------------------------------------------------------------------
ISO8601 = "%Y-%m-%dT%H:%M:%SZ"
PER_PAGE = 100
#-----------------------------------------------------------------------------
# Functions
#-----------------------------------------------------------------------------
def round_hour(dt):
return dt.replace(minute=0,second=0,microsecond=0)
def _parse_datetime(s):
"""Parse dates in the format returned by the Github API."""
if s:
return datetime.strptime(s, ISO8601)
else:
return datetime.fromtimestamp(0)
def issues2dict(issues):
"""Convert a list of issues to a dict, keyed by issue number."""
idict = {}
for i in issues:
idict[i['number']] = i
return idict
def split_pulls(all_issues, project="ipython/ipython"):
"""split a list of closed issues into non-PR Issues and Pull Requests"""
pulls = []
issues = []
for i in all_issues:
if is_pull_request(i):
pull = get_pull_request(project, i['number'], auth=True)
pulls.append(pull)
else:
issues.append(i)
return issues, pulls
def issues_closed_since(period=timedelta(days=365), project="ipython/ipython", pulls=False):
"""Get all issues closed since a particular point in time. period
can either be a datetime object, or a timedelta object. In the
latter case, it is used as a time before the present.
"""
which = 'pulls' if pulls else 'issues'
if isinstance(period, timedelta):
since = round_hour(datetime.utcnow() - period)
else:
since = period
url = "https://api.github.com/repos/%s/%s?state=closed&sort=updated&since=%s&per_page=%i" % (project, which, since.strftime(ISO8601), PER_PAGE)
allclosed = get_paged_request(url, headers=make_auth_header())
filtered = [ i for i in allclosed if _parse_datetime(i['closed_at']) > since ]
if pulls:
filtered = [ i for i in filtered if _parse_datetime(i['merged_at']) > since ]
# filter out PRs not against master (backports)
filtered = [ i for i in filtered if i['base']['ref'] == 'master' ]
else:
filtered = [ i for i in filtered if not is_pull_request(i) ]
return filtered
def sorted_by_field(issues, field='closed_at', reverse=False):
"""Return a list of issues sorted by closing date date."""
return sorted(issues, key = lambda i:i[field], reverse=reverse)
def report(issues, show_urls=False):
"""Summary report about a list of issues, printing number and title."""
if show_urls:
for i in issues:
role = 'ghpull' if 'merged_at' in i else 'ghissue'
print('* :%s:`%d`: %s' % (role, i['number'],
i['title'].replace('`', '``')))
else:
for i in issues:
print('* %d: %s' % (i['number'], i['title'].replace('`', '``')))
#-----------------------------------------------------------------------------
# Main script
#-----------------------------------------------------------------------------
if __name__ == "__main__":
# Whether to add reST urls for all issues in printout.
show_urls = True
parser = ArgumentParser()
parser.add_argument('--since-tag', type=str,
help="The git tag to use for the starting point (typically the last major release)."
)
parser.add_argument('--milestone', type=str,
help="The GitHub milestone to use for filtering issues [optional]."
)
parser.add_argument('--days', type=int,
help="The number of days of data to summarize (use this or --since-tag)."
)
parser.add_argument('--project', type=str, default="ipython/ipython",
help="The project to summarize."
)
parser.add_argument('--links', action='store_true', default=False,
help="Include links to all closed Issues and PRs in the output."
)
opts = parser.parse_args()
tag = opts.since_tag
# set `since` from days or git tag
if opts.days:
since = datetime.utcnow() - timedelta(days=opts.days)
else:
if not tag:
tag = check_output(['git', 'describe', '--abbrev=0']).strip().decode('utf8')
cmd = ['git', 'log', '-1', '--format=%ai', tag]
tagday, tz = check_output(cmd).strip().decode('utf8').rsplit(' ', 1)
since = datetime.strptime(tagday, "%Y-%m-%d %H:%M:%S")
h = int(tz[1:3])
m = int(tz[3:])
td = timedelta(hours=h, minutes=m)
if tz[0] == '-':
since += td
else:
since -= td
since = round_hour(since)
milestone = opts.milestone
project = opts.project
print("fetching GitHub stats since %s (tag: %s, milestone: %s)" % (since, tag, milestone), file=sys.stderr)
if milestone:
milestone_id = get_milestone_id(project=project, milestone=milestone,
auth=True)
issues_and_pulls = get_issues_list(project=project,
milestone=milestone_id,
state='closed',
auth=True,
)
issues, pulls = split_pulls(issues_and_pulls)
else:
issues = issues_closed_since(since, project=project, pulls=False)
pulls = issues_closed_since(since, project=project, pulls=True)
# For regular reports, it's nice to show them in reverse chronological order
issues = sorted_by_field(issues, reverse=True)
pulls = sorted_by_field(pulls, reverse=True)
n_issues, n_pulls = map(len, (issues, pulls))
n_total = n_issues + n_pulls
# Print summary report we can directly include into release notes.
print('.. _github-stats:')
print()
print('GitHub Stats')
print('============')
print()
since_day = since.strftime("%Y/%m/%d")
today = datetime.today().strftime("%Y/%m/%d")
print("GitHub stats for %s - %s (tag: %s)" % (since_day, today, tag))
print()
print("These lists are automatically generated, and may be incomplete or contain duplicates.")
print()
ncommits = 0
all_authors = []
if tag:
# print git info, in addition to GitHub info:
since_tag = tag+'..'
cmd = ['git', 'log', '--oneline', since_tag]
ncommits += len(check_output(cmd).splitlines())
author_cmd = ['git', 'log', '--use-mailmap', "--format=* %aN", since_tag]
all_authors.extend(check_output(author_cmd).decode('utf-8', 'replace').splitlines())
pr_authors = []
for pr in pulls:
pr_authors.extend(get_authors(pr))
ncommits = len(pr_authors) + ncommits - len(pulls)
author_cmd = ['git', 'check-mailmap'] + pr_authors
with_email = check_output(author_cmd).decode('utf-8', 'replace').splitlines()
all_authors.extend(['* ' + a.split(' <')[0] for a in with_email])
unique_authors = sorted(set(all_authors), key=lambda s: s.lower())
print("We closed %d issues and merged %d pull requests." % (n_issues, n_pulls))
if milestone:
print("The full list can be seen `on GitHub <https://github.com/%s/milestone/%s>`__"
% (project, milestone)
)
print()
print("The following %i authors contributed %i commits." % (len(unique_authors), ncommits))
print()
print('\n'.join(unique_authors))
if opts.links:
print()
print("GitHub issues and pull requests:")
print()
print('Pull Requests (%d):\n' % n_pulls)
report(pulls, show_urls)
print()
print('Issues (%d):\n' % n_issues)
report(issues, show_urls)
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