mirror of
https://github.com/josegonzalez/python-github-backup.git
synced 2025-12-05 16:18:02 +01:00
534145d178
In case of a HTTP status code 404, the returned 'r' was never assigned. In case of URL errors which are not timeouts, we probably should bail out.
693 lines
24 KiB
Python
Executable File
693 lines
24 KiB
Python
Executable File
#!/usr/bin/env python
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from __future__ import print_function
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import argparse
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import base64
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import calendar
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import codecs
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import errno
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import json
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import logging
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import os
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import re
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import select
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import subprocess
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import sys
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import time
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import urllib
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import urllib2
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from github_backup import __version__
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FNULL = open(os.devnull, 'w')
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def log_error(message):
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if type(message) == str:
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message = [message]
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for msg in message:
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sys.stderr.write("{0}\n".format(msg))
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sys.exit(1)
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def log_info(message):
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if type(message) == str:
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message = [message]
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for msg in message:
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sys.stdout.write("{0}\n".format(msg))
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def logging_subprocess(popenargs,
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logger,
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stdout_log_level=logging.DEBUG,
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stderr_log_level=logging.ERROR,
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**kwargs):
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"""
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Variant of subprocess.call that accepts a logger instead of stdout/stderr,
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and logs stdout messages via logger.debug and stderr messages via
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logger.error.
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"""
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child = subprocess.Popen(popenargs, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, **kwargs)
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log_level = {child.stdout: stdout_log_level,
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child.stderr: stderr_log_level}
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def check_io():
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ready_to_read = select.select([child.stdout, child.stderr],
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[],
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[],
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1000)[0]
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for io in ready_to_read:
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line = io.readline()
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if not logger:
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continue
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if not (io == child.stderr and not line):
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logger.log(log_level[io], line[:-1])
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# keep checking stdout/stderr until the child exits
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while child.poll() is None:
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check_io()
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check_io() # check again to catch anything after the process exits
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rc = child.wait()
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if rc != 0:
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print(u'{} returned {}:'.format(popenargs[0], rc), file=sys.stderr)
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print('\t', u' '.join(popenargs), file=sys.stderr)
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return rc
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def mkdir_p(*args):
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for path in args:
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try:
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os.makedirs(path)
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except OSError as exc: # Python >2.5
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if exc.errno == errno.EEXIST and os.path.isdir(path):
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pass
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else:
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raise
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def parse_args():
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parser = argparse.ArgumentParser(description='Backup a github account',
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prog='Github Backup')
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parser.add_argument('user',
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metavar='USER',
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type=str,
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help='github username')
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parser.add_argument('-u',
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'--username',
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dest='username',
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help='username for basic auth')
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parser.add_argument('-p',
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'--password',
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dest='password',
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help='password for basic auth')
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parser.add_argument('-t',
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'--token',
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dest='token',
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help='personal access or OAuth token')
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parser.add_argument('-o',
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'--output-directory',
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default='.',
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dest='output_directory',
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help='directory at which to backup the repositories')
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parser.add_argument('--starred',
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action='store_true',
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dest='include_starred',
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help='include starred repositories in backup')
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parser.add_argument('--watched',
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action='store_true',
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dest='include_watched',
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help='include watched repositories in backup')
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parser.add_argument('--all',
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action='store_true',
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dest='include_everything',
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help='include everything in backup')
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parser.add_argument('--issues',
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action='store_true',
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dest='include_issues',
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help='include issues in backup')
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parser.add_argument('--issue-comments',
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action='store_true',
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dest='include_issue_comments',
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help='include issue comments in backup')
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parser.add_argument('--issue-events',
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action='store_true',
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dest='include_issue_events',
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help='include issue events in backup')
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parser.add_argument('--pulls',
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action='store_true',
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dest='include_pulls',
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help='include pull requests in backup')
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parser.add_argument('--pull-comments',
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action='store_true',
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dest='include_pull_comments',
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help='include pull request review comments in backup')
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parser.add_argument('--pull-commits',
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action='store_true',
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dest='include_pull_commits',
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help='include pull request commits in backup')
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parser.add_argument('--labels',
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action='store_true',
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dest='include_labels',
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help='include labels in backup')
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parser.add_argument('--hooks',
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action='store_true',
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dest='include_hooks',
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help='include hooks in backup (works only when authenticated)')
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parser.add_argument('--milestones',
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action='store_true',
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dest='include_milestones',
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help='include milestones in backup')
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parser.add_argument('--repositories',
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action='store_true',
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dest='include_repository',
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help='include repository clone in backup')
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parser.add_argument('--wikis',
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action='store_true',
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dest='include_wiki',
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help='include wiki clone in backup')
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parser.add_argument('--skip-existing',
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action='store_true',
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dest='skip_existing',
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help='skip project if a backup directory exists')
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parser.add_argument('-L',
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'--languages',
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dest='languages',
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help='only allow these languages',
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nargs='*')
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parser.add_argument('-N',
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'--name-regex',
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dest='name_regex',
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help='python regex to match names against')
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parser.add_argument('-H',
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'--github-host',
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dest='github_host',
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help='GitHub Enterprise hostname')
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parser.add_argument('-O',
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'--organization',
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action='store_true',
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dest='organization',
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help='whether or not this is an organization user')
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parser.add_argument('-R',
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'--repository',
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dest='repository',
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help='name of repository to limit backup to')
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parser.add_argument('-P', '--private',
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action='store_true',
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dest='private',
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help='include private repositories')
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parser.add_argument('-F', '--fork',
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action='store_true',
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dest='fork',
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help='include forked repositories')
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parser.add_argument('--prefer-ssh',
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action='store_true',
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help='Clone repositories using SSH instead of HTTPS')
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parser.add_argument('-v', '--version',
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action='version',
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version='%(prog)s ' + __version__)
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return parser.parse_args()
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def get_auth(args):
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auth = None
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if args.token:
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auth = base64.b64encode(args.token + ':' + 'x-oauth-basic')
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elif args.username and args.password:
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auth = base64.b64encode(args.username + ':' + args.password)
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elif args.username and not args.password:
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log_error('You must specify a password for basic auth')
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elif args.password and not args.username:
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log_error('You must specify a username for basic auth')
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return auth
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def get_github_api_host(args):
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if args.github_host:
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host = args.github_host + '/api/v3'
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else:
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host = 'api.github.com'
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return host
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def get_github_ssh_host(args):
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if args.github_host:
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host = args.github_host
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else:
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host = 'github.com'
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return host
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def retrieve_data(args, template, query_args=None, single_request=False):
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auth = get_auth(args)
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query_args = get_query_args(query_args)
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per_page = 100
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page = 0
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data = []
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while True:
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page = page + 1
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request = _construct_request(per_page, page, query_args, template, auth) # noqa
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r, errors = _get_response(request, auth, template)
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status_code = int(r.getcode())
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if status_code != 200:
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template = 'API request returned HTTP {0}: {1}'
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errors.append(template.format(status_code, r.reason))
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log_error(errors)
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response = json.loads(r.read())
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if len(errors) == 0:
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if type(response) == list:
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data.extend(response)
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if len(response) < per_page:
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break
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elif type(response) == dict and single_request:
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data.append(response)
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if len(errors) > 0:
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log_error(errors)
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if single_request:
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break
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return data
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def get_query_args(query_args=None):
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if not query_args:
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query_args = {}
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return query_args
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def _get_response(request, auth, template):
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retry_timeout = 3
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errors = []
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# We'll make requests in a loop so we can
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# delay and retry in the case of rate-limiting
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while True:
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should_continue = False
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try:
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r = urllib2.urlopen(request)
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except urllib2.HTTPError as exc:
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errors, should_continue = _request_http_error(exc, auth, errors) # noqa
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r = exc
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except urllib2.URLError:
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should_continue = _request_url_error(template, retry_timeout)
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if not should_continue:
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raise
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if should_continue:
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continue
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break
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return r, errors
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def _construct_request(per_page, page, query_args, template, auth):
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querystring = urllib.urlencode(dict({
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'per_page': per_page,
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'page': page
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}.items() + query_args.items()))
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request = urllib2.Request(template + '?' + querystring)
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if auth is not None:
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request.add_header('Authorization', 'Basic ' + auth)
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return request
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def _request_http_error(exc, auth, errors):
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# HTTPError behaves like a Response so we can
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# check the status code and headers to see exactly
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# what failed.
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should_continue = False
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headers = exc.headers
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limit_remaining = int(headers.get('x-ratelimit-remaining', 0))
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if exc.code == 403 and limit_remaining < 1:
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# The X-RateLimit-Reset header includes a
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# timestamp telling us when the limit will reset
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# so we can calculate how long to wait rather
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# than inefficiently polling:
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gm_now = calendar.timegm(time.gmtime())
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reset = int(headers.get('x-ratelimit-reset', 0)) or gm_now
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# We'll never sleep for less than 10 seconds:
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delta = max(10, reset - gm_now)
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limit = headers.get('x-ratelimit-limit')
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print('Exceeded rate limit of {} requests; waiting {} seconds to reset'.format(limit, delta), # noqa
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file=sys.stderr)
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ratelimit_error = 'No more requests remaining'
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if auth is None:
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ratelimit_error += '; authenticate to raise your GitHub rate limit' # noqa
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errors.append(ratelimit_error)
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time.sleep(delta)
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should_continue = True
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return errors, should_continue
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def _request_url_error(template, retry_timeout):
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# Incase of a connection timing out, we can retry a few time
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# But we won't crash and not back-up the rest now
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log_info('{} timed out'.format(template))
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retry_timeout -= 1
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if retry_timeout >= 0:
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return True
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log_error('{} timed out to much, skipping!')
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return False
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def retrieve_repositories(args):
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log_info('Retrieving repositories')
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single_request = False
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template = 'https://{0}/users/{1}/repos'.format(
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get_github_api_host(args),
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args.user)
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if args.organization:
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template = 'https://{0}/orgs/{1}/repos'.format(
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get_github_api_host(args),
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args.user)
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if args.repository:
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single_request = True
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template = 'https://{0}/repos/{1}/{2}'.format(
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get_github_api_host(args),
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args.user,
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args.repository)
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return retrieve_data(args, template, single_request=single_request)
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def filter_repositories(args, repositories):
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log_info('Filtering repositories')
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name_regex = None
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if args.name_regex:
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name_regex = re.compile(args.name_regex)
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languages = None
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if args.languages:
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languages = [x.lower() for x in args.languages]
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if not args.fork:
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repositories = [r for r in repositories if not r['fork']]
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if not args.private:
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repositories = [r for r in repositories if not r['private']]
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if languages:
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repositories = [r for r in repositories if r['language'] and r['language'].lower() in languages] # noqa
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if name_regex:
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repositories = [r for r in repositories if name_regex.match(r['name'])]
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return repositories
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def backup_repositories(args, output_directory, repositories):
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log_info('Backing up repositories')
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repos_template = 'https://{0}/repos'.format(get_github_api_host(args))
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for repository in repositories:
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backup_cwd = os.path.join(output_directory, 'repositories')
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repo_cwd = os.path.join(backup_cwd, repository['name'])
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repo_dir = os.path.join(repo_cwd, 'repository')
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if args.prefer_ssh:
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repo_url = repository['ssh_url']
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else:
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repo_url = repository['clone_url']
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if args.include_repository or args.include_everything:
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fetch_repository(repository['name'],
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repo_url,
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repo_dir,
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skip_existing=args.skip_existing)
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download_wiki = (args.include_wiki or args.include_everything)
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if repository['has_wiki'] and download_wiki:
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fetch_repository(repository['name'],
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repo_url.replace('.git', '.wiki.git'),
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os.path.join(repo_cwd, 'wiki'),
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skip_existing=args.skip_existing)
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if args.include_issues or args.include_everything:
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backup_issues(args, repo_cwd, repository, repos_template)
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if args.include_pulls or args.include_everything:
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backup_pulls(args, repo_cwd, repository, repos_template)
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if args.include_milestones or args.include_everything:
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backup_milestones(args, repo_cwd, repository, repos_template)
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if args.include_labels or args.include_everything:
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backup_labels(args, repo_cwd, repository, repos_template)
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if args.include_hooks or args.include_everything:
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backup_hooks(args, repo_cwd, repository, repos_template)
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def backup_issues(args, repo_cwd, repository, repos_template):
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has_issues_dir = os.path.isdir('{0}/issues/.git'.format(repo_cwd))
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if args.skip_existing and has_issues_dir:
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return
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log_info('Retrieving {0} issues'.format(repository['full_name']))
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issue_cwd = os.path.join(repo_cwd, 'issues')
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mkdir_p(repo_cwd, issue_cwd)
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issues = {}
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_issue_template = '{0}/{1}/issues'.format(repos_template,
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repository['full_name'])
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issue_states = ['open', 'closed']
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for issue_state in issue_states:
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query_args = {
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'filter': 'all',
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'state': issue_state
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}
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_issues = retrieve_data(args,
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_issue_template,
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query_args=query_args)
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for issue in _issues:
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issues[issue['number']] = issue
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log_info('Saving {0} issues to disk'.format(len(issues.keys())))
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comments_template = _issue_template + '/{0}/comments'
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events_template = _issue_template + '/{0}/events'
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for number, issue in issues.iteritems():
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if args.include_issue_comments or args.include_everything:
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template = comments_template.format(number)
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issues[number]['comment_data'] = retrieve_data(args, template)
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if args.include_issue_events or args.include_everything:
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template = events_template.format(number)
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issues[number]['event_data'] = retrieve_data(args, template)
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issue_file = '{0}/{1}.json'.format(issue_cwd, number)
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with codecs.open(issue_file, 'w', encoding='utf-8') as f:
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json_dump(issue, f)
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def backup_pulls(args, repo_cwd, repository, repos_template):
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has_pulls_dir = os.path.isdir('{0}/pulls/.git'.format(repo_cwd))
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if args.skip_existing and has_pulls_dir:
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return
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log_info('Retrieving {0} pull requests'.format(repository['full_name'])) # noqa
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pulls_cwd = os.path.join(repo_cwd, 'pulls')
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mkdir_p(repo_cwd, pulls_cwd)
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pulls = {}
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_pulls_template = '{0}/{1}/pulls'.format(repos_template,
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repository['full_name'])
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pull_states = ['open', 'closed']
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for pull_state in pull_states:
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query_args = {
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'filter': 'all',
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'state': pull_state
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}
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_pulls = retrieve_data(args,
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_pulls_template,
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query_args=query_args)
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for pull in _pulls:
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pulls[pull['number']] = pull
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log_info('Saving {0} pull requests to disk'.format(len(pulls.keys())))
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comments_template = _pulls_template + '/{0}/comments'
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commits_template = _pulls_template + '/{0}/commits'
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for number, pull in pulls.iteritems():
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if args.include_pull_comments or args.include_everything:
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|
template = comments_template.format(number)
|
|
pulls[number]['comment_data'] = retrieve_data(args, template)
|
|
if args.include_pull_commits or args.include_everything:
|
|
template = commits_template.format(number)
|
|
pulls[number]['commit_data'] = retrieve_data(args, template)
|
|
|
|
pull_file = '{0}/{1}.json'.format(pulls_cwd, number)
|
|
with codecs.open(pull_file, 'w', encoding='utf-8') as f:
|
|
json_dump(pull, f)
|
|
|
|
|
|
def backup_milestones(args, repo_cwd, repository, repos_template):
|
|
milestone_cwd = os.path.join(repo_cwd, 'milestones')
|
|
if args.skip_existing and os.path.isdir(milestone_cwd):
|
|
return
|
|
|
|
log_info('Retrieving {0} milestones'.format(repository['full_name']))
|
|
mkdir_p(repo_cwd, milestone_cwd)
|
|
|
|
template = '{0}/{1}/milestones'.format(repos_template,
|
|
repository['full_name'])
|
|
|
|
query_args = {
|
|
'state': 'all'
|
|
}
|
|
|
|
_milestones = retrieve_data(args, template, query_args=query_args)
|
|
|
|
milestones = {}
|
|
for milestone in _milestones:
|
|
milestones[milestone['number']] = milestone
|
|
|
|
log_info('Saving {0} milestones to disk'.format(len(milestones.keys())))
|
|
for number, milestone in milestones.iteritems():
|
|
milestone_file = '{0}/{1}.json'.format(milestone_cwd, number)
|
|
with codecs.open(milestone_file, 'w', encoding='utf-8') as f:
|
|
json_dump(milestone, f)
|
|
|
|
|
|
def backup_labels(args, repo_cwd, repository, repos_template):
|
|
label_cwd = os.path.join(repo_cwd, 'labels')
|
|
output_file = '{0}/labels.json'.format(label_cwd)
|
|
template = '{0}/{1}/labels'.format(repos_template,
|
|
repository['full_name'])
|
|
_backup_data(args,
|
|
'labels',
|
|
template,
|
|
output_file,
|
|
label_cwd)
|
|
|
|
|
|
def backup_hooks(args, repo_cwd, repository, repos_template):
|
|
auth = get_auth(args)
|
|
if not auth:
|
|
log_info("Skipping hooks since no authentication provided")
|
|
return
|
|
hook_cwd = os.path.join(repo_cwd, 'hooks')
|
|
output_file = '{0}/hooks.json'.format(hook_cwd)
|
|
template = '{0}/{1}/hooks'.format(repos_template,
|
|
repository['full_name'])
|
|
_backup_data(args,
|
|
'hooks',
|
|
template,
|
|
output_file,
|
|
hook_cwd)
|
|
|
|
|
|
def fetch_repository(name, remote_url, local_dir, skip_existing=False):
|
|
clone_exists = os.path.exists(os.path.join(local_dir, '.git'))
|
|
|
|
if clone_exists and skip_existing:
|
|
return
|
|
|
|
initalized = subprocess.call('git ls-remote ' + remote_url,
|
|
stdout=FNULL,
|
|
stderr=FNULL,
|
|
shell=True)
|
|
if initalized == 128:
|
|
log_info("Skipping {0} ({1}) since it's not initalized".format(name, remote_url))
|
|
return
|
|
|
|
if clone_exists:
|
|
log_info('Updating {0} in {1}'.format(name, local_dir))
|
|
git_command = ['git', 'fetch', '--all', '--tags', '--prune']
|
|
logging_subprocess(git_command, None, cwd=local_dir)
|
|
else:
|
|
log_info('Cloning {0} repository from {1} to {2}'.format(name,
|
|
remote_url,
|
|
local_dir))
|
|
git_command = ['git', 'clone', remote_url, local_dir]
|
|
logging_subprocess(git_command, None)
|
|
|
|
|
|
def backup_account(args, output_directory):
|
|
account_cwd = os.path.join(output_directory, 'account')
|
|
|
|
if args.include_starred or args.include_everything:
|
|
output_file = '{0}/starred.json'.format(account_cwd)
|
|
template = "https://{0}/users/{1}/starred"
|
|
template = template.format(get_github_api_host(args), args.user)
|
|
_backup_data(args,
|
|
'starred repositories',
|
|
template,
|
|
output_file,
|
|
account_cwd)
|
|
|
|
if args.include_watched or args.include_everything:
|
|
output_file = '{0}/watched.json'.format(account_cwd)
|
|
template = "https://{0}/users/{1}/subscriptions"
|
|
template = template.format(get_github_api_host(args), args.user)
|
|
_backup_data(args,
|
|
'watched repositories',
|
|
template,
|
|
output_file,
|
|
account_cwd)
|
|
|
|
|
|
def _backup_data(args, name, template, output_file, output_directory):
|
|
skip_existing = args.skip_existing
|
|
if not skip_existing or not os.path.exists(output_file):
|
|
log_info('Retrieving {0} {1}'.format(args.user, name))
|
|
mkdir_p(output_directory)
|
|
data = retrieve_data(args, template)
|
|
|
|
log_info('Writing {0} {1} to disk'.format(len(data), name))
|
|
with codecs.open(output_file, 'w', encoding='utf-8') as f:
|
|
json_dump(data, f)
|
|
|
|
|
|
def json_dump(data, output_file):
|
|
json.dump(data,
|
|
output_file,
|
|
ensure_ascii=False,
|
|
sort_keys=True,
|
|
indent=4,
|
|
separators=(',', ': '))
|
|
|
|
|
|
def main():
|
|
args = parse_args()
|
|
|
|
output_directory = os.path.realpath(args.output_directory)
|
|
if not os.path.isdir(output_directory):
|
|
log_info('Create output directory {0}'.format(output_directory))
|
|
mkdir_p(output_directory)
|
|
|
|
log_info('Backing up user {0} to {1}'.format(args.user, output_directory))
|
|
|
|
repositories = retrieve_repositories(args)
|
|
repositories = filter_repositories(args, repositories)
|
|
backup_repositories(args, output_directory, repositories)
|
|
backup_account(args, output_directory)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|