mirror of
https://github.com/odoo/runbot.git
synced 2025-03-15 23:45:44 +07:00
b86092de83
Stop *staging* release PRs: they are normally fairly simple and should not fail their staging outside of unreliable tests (or possibly a few edge cases e.g. forgot one version change thing), however staging them creates the possibility of a "version hole" on the release branch which is undesirable. Instead, immediately and unconditionally push the release commits onto the newly created branches, if there are things which don't work they can be fixed afterwards (and the process refined, maybe). Also add the same feature for *bump* PRs, with the difference that the bump PRs are not created / requested by default (they have to be opted in individually). For convenience, add a feature which automatically finds the PRs via inputting the label (not really tested yet). Closes #603
407 lines
15 KiB
Python
407 lines
15 KiB
Python
import collections
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import itertools
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import json as json_
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import logging
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import logging.handlers
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import os
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import pathlib
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import pprint
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import textwrap
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import unicodedata
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from datetime import datetime, timezone
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import requests
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import werkzeug.urls
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import odoo.netsvc
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from odoo.tools import topological_sort, config
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from . import exceptions, utils
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class MergeError(Exception): ...
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def _is_json(r):
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return r and r.headers.get('content-type', '').startswith(('application/json', 'application/javascript'))
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_logger = logging.getLogger(__name__)
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_gh = logging.getLogger('github_requests')
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def _init_gh_logger():
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""" Log all GH requests / responses so we have full tracking, but put them
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in a separate file if we're logging to a file
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"""
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if not config['logfile']:
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return
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original = pathlib.Path(config['logfile'])
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new = original.with_name('github_requests')\
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.with_suffix(original.suffix)
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if os.name == 'posix':
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handler = logging.handlers.WatchedFileHandler(str(new))
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else:
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handler = logging.FileHandler(str(new))
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handler.setFormatter(odoo.netsvc.DBFormatter(
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'%(asctime)s %(pid)s %(levelname)s %(dbname)s %(name)s: %(message)s'
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))
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_gh.addHandler(handler)
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_gh.propagate = False
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if odoo.netsvc._logger_init:
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_init_gh_logger()
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GH_LOG_PATTERN = """=> {method} /{self._repo}/{path}{qs}{body}
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<= {r.status_code} {r.reason}
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{headers}
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{body2}
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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"""
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class GH(object):
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def __init__(self, token, repo):
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self._url = 'https://api.github.com'
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self._repo = repo
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session = self._session = requests.Session()
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session.headers['Authorization'] = 'token {}'.format(token)
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session.headers['Accept'] = 'application/vnd.github.symmetra-preview+json'
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def _log_gh(self, logger, method, path, params, json, response, level=logging.INFO):
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""" Logs a pair of request / response to github, to the specified
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logger, at the specified level.
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Tries to format all the information (including request / response
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bodies, at least in part) so we have as much information as possible
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for post-mortems.
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"""
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body = body2 = ''
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if json:
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body = '\n' + textwrap.indent('\t', pprint.pformat(json, indent=4))
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if response.content:
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if _is_json(response):
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body2 = pprint.pformat(response.json(), depth=4)
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elif response.encoding is not None:
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body2 = response.text
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else: # fallback: universal decoding & replace nonprintables
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body2 = ''.join(
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'\N{REPLACEMENT CHARACTER}' if unicodedata.category(c) == 'Cc' else c
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for c in response.content.decode('iso-8859-1')
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)
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logger.log(level, GH_LOG_PATTERN.format(
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self=self,
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# requests data
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method=method, path=path,
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qs='' if not params else ('?' + werkzeug.urls.url_encode(params)),
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body=utils.shorten(body.strip(), 400),
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# response data
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r=response,
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headers='\n'.join(
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'\t%s: %s' % (h, v) for h, v in response.headers.items()
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),
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body2=utils.shorten(body2.strip(), 400)
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))
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return body2
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def __call__(self, method, path, params=None, json=None, check=True):
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"""
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:type check: bool | dict[int:Exception]
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"""
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r = self._session.request(
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method,
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'{}/repos/{}/{}'.format(self._url, self._repo, path),
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params=params,
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json=json
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)
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self._log_gh(_gh, method, path, params, json, r)
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if check:
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if isinstance(check, collections.Mapping):
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exc = check.get(r.status_code)
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if exc:
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raise exc(r.text)
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if r.status_code >= 400:
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body = self._log_gh(
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_logger, method, path, params, json, r, level=logging.ERROR)
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if not isinstance(body, (bytes, str)):
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raise requests.HTTPError(
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json_.dumps(body, indent=4),
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response=r
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)
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r.raise_for_status()
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return r
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def user(self, username):
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r = self._session.get("{}/users/{}".format(self._url, username))
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r.raise_for_status()
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return r.json()
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def head(self, branch):
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d = utils.backoff(
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lambda: self('get', 'git/refs/heads/{}'.format(branch)).json(),
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exc=requests.HTTPError
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)
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assert d['ref'] == 'refs/heads/{}'.format(branch)
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assert d['object']['type'] == 'commit'
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_logger.debug("head(%s, %s) -> %s", self._repo, branch, d['object']['sha'])
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return d['object']['sha']
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def commit(self, sha):
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c = self('GET', 'git/commits/{}'.format(sha)).json()
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_logger.debug('commit(%s, %s) -> %s', self._repo, sha, shorten(c['message']))
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return c
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def comment(self, pr, message):
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# if the mergebot user has been blocked by the PR author, this will
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# fail, but we don't want the closing of the PR to fail, or for the
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# feedback cron to get stuck
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try:
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self('POST', 'issues/{}/comments'.format(pr), json={'body': message})
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except requests.HTTPError as r:
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if _is_json(r.response):
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body = r.response.json()
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if any(e.message == 'User is blocked' for e in (body.get('errors') or [])):
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_logger.warning("comment(%s#%s) failed: user likely blocked", self._repo, pr)
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return
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raise
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_logger.debug('comment(%s, %s, %s)', self._repo, pr, shorten(message))
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def close(self, pr):
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self('PATCH', 'pulls/{}'.format(pr), json={'state': 'closed'})
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def change_tags(self, pr, remove, add):
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labels_endpoint = 'issues/{}/labels'.format(pr)
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tags_before = {label['name'] for label in self('GET', labels_endpoint).json()}
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tags_after = (tags_before - remove) | add
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# replace labels entirely
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self('PUT', labels_endpoint, json={'labels': list(tags_after)})
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_logger.debug('change_tags(%s, %s, from=%s, to=%s)', self._repo, pr, tags_before, tags_after)
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def _check_updated(self, branch, to):
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"""
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:return: nothing if successful, the incorrect HEAD otherwise
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"""
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r = self('get', 'git/refs/heads/{}'.format(branch), check=False)
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if r.status_code == 200:
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head = r.json()['object']['sha']
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else:
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head = '<Response [%s]: %s)>' % (r.status_code, r.json() if _is_json(r) else r.text)
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if head == to:
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_logger.debug("Sanity check ref update of %s to %s: ok", branch, to)
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return
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_logger.warning("Sanity check ref update of %s, expected %s got %s", branch, to, head)
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return head
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def fast_forward(self, branch, sha):
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try:
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self('patch', 'git/refs/heads/{}'.format(branch), json={'sha': sha})
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_logger.debug('fast_forward(%s, %s, %s) -> OK', self._repo, branch, sha)
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@utils.backoff(exc=exceptions.FastForwardError)
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def _wait_for_update():
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if not self._check_updated(branch, sha):
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return
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raise exceptions.FastForwardError(self._repo) \
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from Exception("timeout: never saw %s" % sha)
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except requests.HTTPError as e:
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_logger.debug('fast_forward(%s, %s, %s) -> ERROR', self._repo, branch, sha, exc_info=True)
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if e.response.status_code == 422:
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try:
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r = e.response.json()
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except Exception:
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pass
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else:
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if isinstance(r, dict) and 'message' in r:
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e = Exception(r['message'].lower())
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raise exceptions.FastForwardError(self._repo) from e
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def set_ref(self, branch, sha):
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# force-update ref
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r = self('patch', 'git/refs/heads/{}'.format(branch), json={
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'sha': sha,
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'force': True,
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}, check=False)
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status0 = r.status_code
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_logger.debug(
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'ref_set(%s, %s, %s -> %s (%s)',
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self._repo, branch, sha, status0,
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'OK' if status0 == 200 else r.text or r.reason
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)
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if status0 == 200:
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@utils.backoff(exc=AssertionError)
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def _wait_for_update():
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head = self._check_updated(branch, sha)
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assert not head, "Sanity check ref update of %s, expected %s got %s" % (
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branch, sha, head
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)
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return
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# 422 makes no sense but that's what github returns, leaving 404 just
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# in case
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if status0 in (404, 422):
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# fallback: create ref
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status1 = self.create_ref(branch, sha)
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if status1 == 201:
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return
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else:
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status1 = None
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raise AssertionError("set_ref failed(%s, %s)" % (status0, status1))
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def create_ref(self, branch, sha):
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r = self('post', 'git/refs', json={
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'ref': 'refs/heads/{}'.format(branch),
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'sha': sha,
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}, check=False)
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status = r.status_code
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_logger.debug(
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'ref_create(%s, %s, %s) -> %s (%s)',
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self._repo, branch, sha, status,
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'OK' if status == 201 else r.text or r.reason
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)
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if status == 201:
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@utils.backoff(exc=AssertionError)
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def _wait_for_update():
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head = self._check_updated(branch, sha)
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assert not head, \
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f"Sanity check ref update of {branch}, expected {sha} got {head}"
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return status
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def merge(self, sha, dest, message):
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r = self('post', 'merges', json={
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'base': dest,
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'head': sha,
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'commit_message': message,
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}, check={409: MergeError})
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try:
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r = r.json()
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except Exception:
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raise MergeError("Got non-JSON reponse from github: %s %s (%s)" % (r.status_code, r.reason, r.text))
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_logger.debug(
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"merge(%s, %s (%s), %s) -> %s",
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self._repo, dest, r['parents'][0]['sha'],
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shorten(message), r['sha']
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)
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return dict(r['commit'], sha=r['sha'], parents=r['parents'])
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def rebase(self, pr, dest, reset=False, commits=None):
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""" Rebase pr's commits on top of dest, updates dest unless ``reset``
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is set.
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Returns the hash of the rebased head and a map of all PR commits (to the PR they were rebased to)
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"""
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logger = _logger.getChild('rebase')
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original_head = self.head(dest)
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if commits is None:
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commits = self.commits(pr)
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logger.debug("rebasing %s, %s on %s (reset=%s, commits=%s)",
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self._repo, pr, dest, reset, len(commits))
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assert commits, "can't rebase a PR with no commits"
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prev = original_head
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for original in commits:
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assert len(original['parents']) == 1, "can't rebase commits with more than one parent"
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tmp_msg = 'temp rebasing PR %s (%s)' % (pr, original['sha'])
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merged = self.merge(original['sha'], dest, tmp_msg)
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# whichever parent is not original['sha'] should be what dest
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# deref'd to, and we want to check that matches the "left parent" we
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# expect (either original_head or the previously merged commit)
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[base_commit] = (parent['sha'] for parent in merged['parents']
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if parent['sha'] != original['sha'])
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assert prev == base_commit,\
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"Inconsistent view of %s between head (%s) and merge (%s)" % (
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dest, prev, base_commit,
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)
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prev = merged['sha']
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original['new_tree'] = merged['tree']['sha']
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prev = original_head
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mapping = {}
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for c in commits:
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committer = c['commit']['committer']
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committer.pop('date')
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copy = self('post', 'git/commits', json={
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'message': c['commit']['message'],
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'tree': c['new_tree'],
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'parents': [prev],
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'author': c['commit']['author'],
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'committer': committer,
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}, check={409: MergeError}).json()
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logger.debug('copied %s to %s (parent: %s)', c['sha'], copy['sha'], prev)
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prev = mapping[c['sha']] = copy['sha']
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if reset:
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self.set_ref(dest, original_head)
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else:
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self.set_ref(dest, prev)
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logger.debug('rebased %s, %s on %s (reset=%s, commits=%s) -> %s',
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self._repo, pr, dest, reset, len(commits),
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prev)
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# prev is updated after each copy so it's the rebased PR head
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return prev, mapping
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# fetch various bits of issues / prs to load them
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def pr(self, number):
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return (
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self('get', 'issues/{}'.format(number)).json(),
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self('get', 'pulls/{}'.format(number)).json()
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)
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def comments(self, number):
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for page in itertools.count(1):
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r = self('get', 'issues/{}/comments'.format(number), params={'page': page})
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yield from r.json()
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if not r.links.get('next'):
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return
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def reviews(self, number):
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for page in itertools.count(1):
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r = self('get', 'pulls/{}/reviews'.format(number), params={'page': page})
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yield from r.json()
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if not r.links.get('next'):
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return
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def commits_lazy(self, pr):
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for page in itertools.count(1):
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r = self('get', 'pulls/{}/commits'.format(pr), params={'page': page})
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yield from r.json()
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if not r.links.get('next'):
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return
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def commits(self, pr):
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""" Returns a PR's commits oldest first (that's what GH does &
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is what we want)
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"""
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commits = list(self.commits_lazy(pr))
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# map shas to the position the commit *should* have
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idx = {
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c: i
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for i, c in enumerate(topological_sort({
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c['sha']: [p['sha'] for p in c['parents']]
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for c in commits
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}))
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}
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return sorted(commits, key=lambda c: idx[c['sha']])
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def statuses(self, h):
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r = self('get', 'commits/{}/status'.format(h)).json()
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return [{
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'sha': r['sha'],
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**s,
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} for s in r['statuses']]
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def shorten(s):
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if not s:
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return s
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line1 = s.split('\n', 1)[0]
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if len(line1) < 50:
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return line1
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return line1[:47] + '...'
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