143 lines
4.7 KiB
Python
143 lines
4.7 KiB
Python
#!/usr/bin/env python3
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# Copyright 2020 Google LLC
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#
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# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://llvm.org/LICENSE.txt
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import json
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from phabricator import Phabricator
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from typing import List, Optional, Dict
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import datetime
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_LOGGER = logging.getLogger()
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class Revision:
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"""A Revision on Phabricator"""
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def __init__(self, revision_dict: Dict):
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self.revision_dict = revision_dict
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self.diffs = [] # type : "Diff"
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@property
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def id(self) -> str:
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return self.revision_dict['id']
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@property
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def phid(self) -> str:
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return self.revision_dict['phid']
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@property
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def status(self) -> str:
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return self.revision_dict['fields']['status']['value']
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def __str__(self):
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return 'Revision {}: {} - ({})'.format(self.id, self.status,
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','.join([str(d.id) for d in self.diffs]))
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@property
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def latest_diff(self):
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# TODO: make sure self.diffs is sorted
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return self.diffs[-1]
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class Diff:
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"""A Phabricator diff."""
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def __init__(self, diff_dict: Dict, revision: Revision):
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self.diff_dict = diff_dict
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self.revision = revision
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@property
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def id(self) -> str:
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return self.diff_dict['id']
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@property
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def phid(self) -> str:
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return self.diff_dict['phid']
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def __str__(self):
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return 'Diff {}'.format(self.id)
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@property
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def base_hash(self) -> Optional[str]:
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for ref in self.diff_dict['fields']['refs']:
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if ref['type'] == 'base':
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return ref['identifier']
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return None
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class PhabWrapper:
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"""
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Wrapper around the interactions with Phabricator.
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Conduit API documentation: https://reviews.llvm.org/conduit/
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"""
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def __init__(self):
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self.conduit_token = None # type: Optional[str]
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self.host = None # type: Optional[str]
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self._load_arcrc()
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self.phab = self._create_phab() # type: Phabricator
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def _load_arcrc(self):
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"""Load arc configuration from file if not set."""
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_LOGGER.info('Loading configuration from ~/.arcrc file')
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with open(os.path.expanduser('~/.arcrc'), 'r') as arcrc_file:
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arcrc = json.load(arcrc_file)
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# use the first host configured in the file
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self.host = next(iter(arcrc['hosts']))
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self.conduit_token = arcrc['hosts'][self.host]['token']
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def _create_phab(self) -> Phabricator:
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"""Create Phabricator API instance and update it."""
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phab = Phabricator(token=self.conduit_token, host=self.host)
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# TODO: retry on communication error
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phab.update_interfaces()
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return phab
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def get_revisions(self) -> List[Revision]:
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"""Get relevant revisions."""
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# TODO: figure out which revisions we really need to pull in
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_LOGGER.info('Getting revisions from Phabricator')
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start_date = datetime.datetime.now() - datetime.timedelta(days=3)
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constraints = {
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'createdStart': int(start_date.timestamp())
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}
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# TODO: handle > 100 responses
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revision_response = self.phab.differential.revision.search(
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constraints=constraints)
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revisions = [Revision(r) for r in revision_response.response['data']]
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_LOGGER.info('Got {} revisions from the server'.format(len(revisions)))
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for revision in revisions:
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# TODO: batch-query diffs for all revisions, reduce number of
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# API calls this would be much faster. But then we need to locally
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# map the diffs to the right revisions
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self._get_diffs(revision)
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return revisions
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def _get_diffs(self, revision: Revision):
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"""Get diffs for a revision from Phabricator."""
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_LOGGER.info('Downloading diffs for {}...'.format(revision.id))
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constraints = {
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'revisionPHIDs': [revision.phid]
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}
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diff_response = self.phab.differential.diff.search(
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constraints=constraints)
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revision.diffs = [Diff(d, revision) for d in diff_response.response['data']]
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def get_raw_patch(self, diff: Diff) -> str:
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"""Get raw patch for diff from Phabricator."""
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_LOGGER.info('Downloading patch for {}...'.format(diff.id))
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return self.phab.differential.getrawdiff(diffID=str(diff.id)).response
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