453aa2ae84
+ don't assume that clang-format has passed if there is no file. If linters didn't run at all file will be missing. + add "gray" icon for the result if it's unknown. + assume whole build is failed if clang-format or clang-tidy found something. + combine multiple lint messages per line.
394 lines
15 KiB
Python
Executable file
394 lines
15 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright 2019 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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"""Upload build results to Phabricator.
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As I did not like the Jenkins plugin, we're using this script to upload the
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build status, a summary and the test reults to Phabricator."""
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import argparse
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import os
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import re
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import socket
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import time
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from typing import Optional
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from lxml import etree
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from phabricator import Phabricator
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class BuildReport:
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def __init__(self):
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self.comments = []
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self.success = True
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self.working = False
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self.unit = [] # type: List
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self.lint = {}
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self.test_stats = {
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'pass': 0,
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'fail': 0,
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'skip': 0
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} # type: Dict[str, int]
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def addLint(self, m):
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key = '{}:{}'.format(m['path'], m['line'])
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if key not in self.lint:
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self.lint[key] = []
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self.lint[key].append(m)
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class PhabTalk:
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"""Talk to Phabricator to upload build results.
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See https://secure.phabricator.com/conduit/method/harbormaster.sendmessage/
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"""
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def __init__(self, token: Optional[str], host: Optional[str], dryrun: bool):
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self._phab = None # type: Optional[Phabricator]
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if not dryrun:
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self._phab = Phabricator(token=token, host=host)
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self._phab.update_interfaces()
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@property
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def dryrun(self):
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return self._phab is None
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def _get_revision_id(self, diff: str):
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"""Get the revision ID for a diff from Phabricator."""
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if self.dryrun:
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return None
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result = self._phab.differential.querydiffs(ids=[diff])
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return 'D' + result[diff]['revisionID']
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def _comment_on_diff(self, diff_id: str, text: str):
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"""Add a comment to a differential based on the diff_id"""
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print('Sending comment to diff {}:'.format(diff_id))
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print(text)
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self._comment_on_revision(self._get_revision_id(diff_id), text)
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def _comment_on_revision(self, revision: str, text: str):
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"""Add comment on a differential based on the revision id."""
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transactions = [{
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'type': 'comment',
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'value': text
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}]
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if self.dryrun:
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print('differential.revision.edit =================')
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print('Transactions: {}'.format(transactions))
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return
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# API details at
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# https://secure.phabricator.com/conduit/method/differential.revision.edit/
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self._phab.differential.revision.edit(objectIdentifier=revision,
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transactions=transactions)
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def submit_report(self, diff_id: str, phid: str, report: BuildReport, build_result: str):
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"""Submit collected report to Phabricator.
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"""
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result_type = 'pass'
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if report.working:
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result_type = 'working'
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elif not report.success:
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result_type = 'fail'
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# Group lint messages by file and line.
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lint_messages = []
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for v in report.lint.values():
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path = ''
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line = 0
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descriptions = []
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for e in v:
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path = e['path']
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line = e['line']
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descriptions.append('{}: {}'.format(e['name'], e['description']))
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lint_message = {
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'name': 'Pre-merge checks',
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'severity': 'warning',
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'code': 'llvm-premerge-checks',
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'path': path,
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'line': line,
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'description': '\n'.join(descriptions),
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}
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lint_messages.append(lint_message)
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if self.dryrun:
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print('harbormaster.sendmessage =================')
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print('type: {}'.format(result_type))
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print('unit: {}'.format(report.unit))
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print('lint: {}'.format(lint_messages))
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else:
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_try_call(lambda: self._phab.harbormaster.sendmessage(
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buildTargetPHID=phid,
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type=result_type,
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unit=report.unit,
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lint=lint_messages))
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if len(report.comments) > 0:
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_try_call(lambda: self._comment_on_diff(diff_id, '\n\n'.join(report.comments)))
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def _parse_patch(patch) -> []:
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"""Extract the changed lines from `patch` file.
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The return value is a list of dictionaries {filename, line, diff}.
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Diff must be generated with -U0 (no context lines).
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"""
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entries = []
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lines = []
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filename = None
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line_number = 0
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for line in patch:
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match = re.search(r'^(\+\+\+|---) [^/]+/(.*)', line)
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if match:
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if len(lines) > 0:
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entries.append({
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'filename': filename,
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'diff': ''.join(lines),
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'line': line_number,
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})
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lines = []
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filename = match.group(2).rstrip('\r\n')
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continue
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match = re.search(r'^@@ -(\d+)(,(\d+))? \+(\d+)(,(\d+))?', line)
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if match:
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if len(lines) > 0:
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entries.append({
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'filename': filename,
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'diff': ''.join(lines),
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'line': line_number,
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})
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lines = []
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line_number = int(match.group(1))
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continue
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if line.startswith('+') or line.startswith('-'):
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lines.append(line)
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if len(lines) > 0:
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entries.append({
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'filename': filename,
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'diff': ''.join(lines),
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'line': line_number,
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})
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return entries
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def _add_clang_format(report: BuildReport, results_dir: str,
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results_url: str, clang_format_patch: str):
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"""Populates results from diff produced by clang format."""
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present = (clang_format_patch is not None) and os.path.exists(os.path.join(results_dir, clang_format_patch))
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if not present:
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print('clang-format result {} is not found'.format(clang_format_patch))
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report.comments.append(section_title('clang-format', False, False))
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return
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p = os.path.join(results_dir, clang_format_patch)
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diffs = _parse_patch(open(p, 'r'))
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success = len(diffs) == 0
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for d in diffs:
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report.addLint({
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'name': 'clang-format',
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'severity': 'autofix',
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'code': 'clang-format',
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'path': d['filename'],
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'line': d['line'],
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'char': 1,
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'description': 'please reformat the code\n```\n' + d['diff'] + '\n```',
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})
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comment = section_title('clang-format', success, present)
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if not success:
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comment += 'Please format your changes with clang-format by running `git-clang-format HEAD^` or applying ' \
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'this [[ {}/{} | patch ]].'.format(results_url, clang_format_patch)
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report.comments.append(comment)
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report.success = success and report.success
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def _add_clang_tidy(report: BuildReport, results_dir: str, results_url: str, workspace: str, clang_tidy_file: str):
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# Typical message looks like
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# [..]/clang/include/clang/AST/DeclCXX.h:3058:20: error: no member named 'LifetimeExtendedTemporary' in 'clang::Decl' [clang-diagnostic-error]
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pattern = '^{}/([^:]*):(\\d+):(\\d+): (.*): (.*)'.format(workspace)
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success = True
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present = (clang_tidy_file is not None) and os.path.exists(os.path.join(results_dir, clang_tidy_file))
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if not present:
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print('clang-tidy result {} is not found'.format(clang_tidy_file))
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report.comments.append(section_title('clang-tidy', False, False))
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return
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p = os.path.join(results_dir, clang_tidy_file)
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for line in open(p, 'r'):
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match = re.search(pattern, line)
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if match:
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file_name = match.group(1)
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line_pos = match.group(2)
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char_pos = match.group(3)
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severity = match.group(4)
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text = match.group(5)
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if severity in ['warning', 'error']:
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success = False
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report.addLint({
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'name': 'clang-tidy',
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'severity': 'warning',
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'code': 'clang-tidy',
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'path': file_name,
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'line': int(line_pos),
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'char': int(char_pos),
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'description': '{}: {}'.format(severity, text),
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})
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comment = section_title('clang-tidy', success, present)
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if not success:
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comment += 'Please fix [[ {}/{} | clang-tidy findings ]].'.format(results_url, clang_tidy_file)
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report.comments.append(comment)
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report.success = success and report.success
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def _try_call(call):
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"""Tries to call function several times retrying on socked.timeout."""
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c = 0
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while True:
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try:
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call()
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except socket.timeout as e:
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c += 1
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if c > 5:
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print('Connection to Pharicator failed, giving up: {}'.format(e))
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raise
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print('Connection to Pharicator failed, retrying: {}'.format(e))
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time.sleep(c * 10)
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break
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def _add_test_results(report: BuildReport, results_dir: str, build_result_file: str):
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"""Populates results from build test results XML.
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Only reporting failed tests as the full test suite is too large to upload.
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"""
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success = True
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present = (build_result_file is not None) and os.path.exists(os.path.join(results_dir, build_result_file))
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if not present:
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print('Warning: Could not find test results file: {}'.format(build_result_file))
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report.comments.append(section_title('Unit tests', False, present))
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return
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root_node = etree.parse(os.path.join(results_dir, build_result_file))
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for test_case in root_node.xpath('//testcase'):
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test_result = _test_case_status(test_case)
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report.test_stats[test_result] += 1
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if test_result == 'fail':
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success = False
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failure = test_case.find('failure')
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test_result = {
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'name': test_case.attrib['name'],
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'namespace': test_case.attrib['classname'],
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'result': test_result,
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'duration': float(test_case.attrib['time']),
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'details': failure.text
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}
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report.unit.append(test_result)
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comment = section_title('Unit tests', success, True)
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comment += '{} tests passed, {} failed and {} were skipped.\n'.format(
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report.test_stats['pass'],
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report.test_stats['fail'],
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report.test_stats['skip'],
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)
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for test_case in report.unit:
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if test_case['result'] == 'fail':
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comment += ' failed: {}/{}\n'.format(test_case['namespace'], test_case['name'])
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report.comments.append(comment)
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report.success = success and report.success
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def _add_links_to_artifacts(report: BuildReport, results_dir: str, results_url: str):
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"""Comment on a diff, read text from file."""
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file_links = []
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for f in os.listdir(results_dir):
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if not os.path.isfile(os.path.join(results_dir, f)):
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continue
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file_links.append('[[{0}/{1} | {1}]]'.format(results_url, f))
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if len(file_links) > 0:
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report.comments.append('[[ {} | Build artifacts ]]: '.format(results_url) + ', '.join(file_links))
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def _test_case_status(test_case) -> str:
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"""Get the status of a test case based on an etree node."""
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if test_case.find('failure') is not None:
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return 'fail'
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if test_case.find('skipped') is not None:
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return 'skip'
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return 'pass'
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def section_title(title: str, ok: bool, present: bool) -> str:
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icon = '{icon question-circle color=gray}'
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result = 'unknown'
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if present:
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icon = '{icon check-circle color=green}' if ok else '{icon times-circle color=red}'
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result = 'pass' if ok else 'fail'
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return '{} {}: {}. '.format(icon, title, result)
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def main():
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args = _parse_args()
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report = BuildReport()
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if args.buildresult is not None:
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print('Jenkins result: {}'.format(args.buildresult))
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if args.buildresult.lower() == 'success':
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pass
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elif args.buildresult.lower() == 'null':
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report.working = True
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else:
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report.success = False
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_add_test_results(report, args.results_dir, args.test_result_file)
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_add_clang_tidy(report, args.results_dir, args.results_url, args.workspace, args.clang_tidy_result)
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_add_clang_format(report, args.results_dir, args.results_url, args.clang_format_patch)
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_add_links_to_artifacts(report, args.results_dir, args.results_url)
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p = PhabTalk(args.conduit_token, args.host, args.dryrun)
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p.submit_report(args.diff_id, args.ph_id, report, args.buildresult)
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def _parse_args():
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parser = argparse.ArgumentParser(
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description='Write build status back to Phabricator.')
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parser.add_argument('ph_id', type=str)
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parser.add_argument('diff_id', type=str)
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parser.add_argument('--test-result-file', type=str, dest='test_result_file', default='test-results.xml')
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parser.add_argument('--conduit-token', type=str, dest='conduit_token', required=True)
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parser.add_argument('--host', type=str, dest='host', default="https://reviews.llvm.org/api/",
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help="full URL to API with trailing slash, e.g. https://reviews.llvm.org/api/")
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parser.add_argument('--dryrun', action='store_true',
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help="output results to the console, do not report back to the server")
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parser.add_argument('--buildresult', type=str, default=None, choices=['SUCCESS', 'UNSTABLE', 'FAILURE', 'null'])
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parser.add_argument('--clang-format-patch', type=str, default=None,
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dest='clang_format_patch',
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help="path to diff produced by git-clang-format, relative to results-dir")
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parser.add_argument('--clang-tidy-result', type=str, default=None,
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dest='clang_tidy_result',
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help="path to diff produced by git-clang-tidy, relative to results-dir")
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parser.add_argument('--results-dir', type=str, default=None, required=True,
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dest='results_dir',
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help="directory of all build artifacts")
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parser.add_argument('--results-url', type=str, default=None,
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dest='results_url',
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help="public URL to access results directory")
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parser.add_argument('--workspace', type=str, required=True, help="path to workspace")
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return parser.parse_args()
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if __name__ == '__main__':
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main()
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