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