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depot_tools/presubmit_canned_checks.py

952 lines
35 KiB
Python

# Copyright (c) 2011 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Generic presubmit checks that can be reused by other presubmit checks."""
### Description checks
def CheckChangeHasTestField(input_api, output_api):
"""Requires that the changelist have a TEST= field."""
if input_api.change.TEST:
return []
else:
return [output_api.PresubmitNotifyResult(
'If this change requires manual test instructions to QA team, add '
'TEST=[instructions].')]
def CheckChangeHasBugField(input_api, output_api):
"""Requires that the changelist have a BUG= field."""
if input_api.change.BUG:
return []
else:
return [output_api.PresubmitNotifyResult(
'If this change has an associated bug, add BUG=[bug number].')]
def CheckChangeHasTestedField(input_api, output_api):
"""Requires that the changelist have a TESTED= field."""
if input_api.change.TESTED:
return []
else:
return [output_api.PresubmitError('Changelist must have a TESTED= field.')]
def CheckChangeHasQaField(input_api, output_api):
"""Requires that the changelist have a QA= field."""
if input_api.change.QA:
return []
else:
return [output_api.PresubmitError('Changelist must have a QA= field.')]
def CheckDoNotSubmitInDescription(input_api, output_api):
"""Checks that the user didn't add 'DO NOT ' + 'SUBMIT' to the CL description.
"""
keyword = 'DO NOT ' + 'SUBMIT'
if keyword in input_api.change.DescriptionText():
return [output_api.PresubmitError(
keyword + ' is present in the changelist description.')]
else:
return []
def CheckChangeHasDescription(input_api, output_api):
"""Checks the CL description is not empty."""
text = input_api.change.DescriptionText()
if text.strip() == '':
if input_api.is_committing:
return [output_api.PresubmitError('Add a description.')]
else:
return [output_api.PresubmitNotifyResult('Add a description.')]
return []
def CheckChangeWasUploaded(input_api, output_api):
"""Checks that the issue was uploaded before committing."""
if input_api.is_committing and not input_api.change.issue:
return [output_api.PresubmitError(
'Issue wasn\'t uploaded. Please upload first.')]
return []
### Content checks
def CheckDoNotSubmitInFiles(input_api, output_api):
"""Checks that the user didn't add 'DO NOT ' + 'SUBMIT' to any files."""
# We want to check every text file, not just source files.
file_filter = lambda x : x
keyword = 'DO NOT ' + 'SUBMIT'
errors = _FindNewViolationsOfRule(lambda line : keyword not in line,
input_api, file_filter)
text = '\n'.join('Found %s in %s' % (keyword, loc) for loc in errors)
if text:
return [output_api.PresubmitError(text)]
return []
def CheckChangeLintsClean(input_api, output_api, source_file_filter=None):
"""Checks that all '.cc' and '.h' files pass cpplint.py."""
_RE_IS_TEST = input_api.re.compile(r'.*tests?.(cc|h)$')
result = []
# Initialize cpplint.
import cpplint
# Access to a protected member _XX of a client class
# pylint: disable=W0212
cpplint._cpplint_state.ResetErrorCounts()
# Justifications for each filter:
#
# - build/include : Too many; fix in the future.
# - build/include_order : Not happening; #ifdefed includes.
# - build/namespace : I'm surprised by how often we violate this rule.
# - readability/casting : Mistakes a whole bunch of function pointer.
# - runtime/int : Can be fixed long term; volume of errors too high
# - runtime/virtual : Broken now, but can be fixed in the future?
# - whitespace/braces : We have a lot of explicit scoping in chrome code.
cpplint._SetFilters('-build/include,-build/include_order,-build/namespace,'
'-readability/casting,-runtime/int,-runtime/virtual,'
'-whitespace/braces')
# We currently are more strict with normal code than unit tests; 4 and 5 are
# the verbosity level that would normally be passed to cpplint.py through
# --verbose=#. Hopefully, in the future, we can be more verbose.
files = [f.AbsoluteLocalPath() for f in
input_api.AffectedSourceFiles(source_file_filter)]
for file_name in files:
if _RE_IS_TEST.match(file_name):
level = 5
else:
level = 4
cpplint.ProcessFile(file_name, level)
if cpplint._cpplint_state.error_count > 0:
if input_api.is_committing:
res_type = output_api.PresubmitError
else:
res_type = output_api.PresubmitPromptWarning
result = [res_type('Changelist failed cpplint.py check.')]
return result
def CheckChangeHasNoCR(input_api, output_api, source_file_filter=None):
"""Checks no '\r' (CR) character is in any source files."""
cr_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
if '\r' in input_api.ReadFile(f, 'rb'):
cr_files.append(f.LocalPath())
if cr_files:
return [output_api.PresubmitPromptWarning(
'Found a CR character in these files:', items=cr_files)]
return []
def CheckSvnModifiedDirectories(input_api, output_api, source_file_filter=None):
"""Checks for files in svn modified directories.
They will get submitted on accident because svn commits recursively by
default, and that's very dangerous.
"""
if input_api.change.scm != 'svn':
return []
errors = []
current_cl_files = input_api.change.GetModifiedFiles()
all_modified_files = input_api.change.GetAllModifiedFiles()
# Filter out files in the current CL.
modified_files = [f for f in all_modified_files if f not in current_cl_files]
modified_abspaths = [input_api.os_path.abspath(f) for f in modified_files]
for f in input_api.AffectedFiles(file_filter=source_file_filter):
if f.Action() == 'M' and f.IsDirectory():
curpath = f.AbsoluteLocalPath()
bad_files = []
# Check if any of the modified files in other CLs are under curpath.
for i in xrange(len(modified_files)):
abspath = modified_abspaths[i]
if input_api.os_path.commonprefix([curpath, abspath]) == curpath:
bad_files.append(modified_files[i])
if bad_files:
if input_api.is_committing:
error_type = output_api.PresubmitPromptWarning
else:
error_type = output_api.PresubmitNotifyResult
errors.append(error_type(
'Potential accidental commits in changelist %s:' % f.LocalPath(),
items=bad_files))
return errors
def CheckChangeHasOnlyOneEol(input_api, output_api, source_file_filter=None):
"""Checks the files ends with one and only one \n (LF)."""
eof_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
# Check that the file ends in one and only one newline character.
if len(contents) > 1 and (contents[-1:] != '\n' or contents[-2:-1] == '\n'):
eof_files.append(f.LocalPath())
if eof_files:
return [output_api.PresubmitPromptWarning(
'These files should end in one (and only one) newline character:',
items=eof_files)]
return []
def CheckChangeHasNoCrAndHasOnlyOneEol(input_api, output_api,
source_file_filter=None):
"""Runs both CheckChangeHasNoCR and CheckChangeHasOnlyOneEOL in one pass.
It is faster because it is reading the file only once.
"""
cr_files = []
eof_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
if '\r' in contents:
cr_files.append(f.LocalPath())
# Check that the file ends in one and only one newline character.
if len(contents) > 1 and (contents[-1:] != '\n' or contents[-2:-1] == '\n'):
eof_files.append(f.LocalPath())
outputs = []
if cr_files:
outputs.append(output_api.PresubmitPromptWarning(
'Found a CR character in these files:', items=cr_files))
if eof_files:
outputs.append(output_api.PresubmitPromptWarning(
'These files should end in one (and only one) newline character:',
items=eof_files))
return outputs
def _ReportErrorFileAndLine(filename, line_num, line):
"""Default error formatter for _FindNewViolationsOfRule."""
return '%s, line %s' % (filename, line_num)
def _FindNewViolationsOfRule(callable_rule, input_api, source_file_filter=None,
error_formatter=_ReportErrorFileAndLine):
"""Find all newly introduced violations of a per-line rule (a callable).
Arguments:
callable_rule: a callable taking a line of input and returning True
if the rule is satisfied and False if there was a problem.
input_api: object to enumerate the affected files.
source_file_filter: a filter to be passed to the input api.
error_formatter: a callable taking (filename, line_number, line) and
returning a formatted error string.
Returns:
A list of the newly-introduced violations reported by the rule.
"""
errors = []
for f in input_api.AffectedFiles(include_deletes=False,
file_filter=source_file_filter):
# For speed, we do two passes, checking first the full file. Shelling out
# to the SCM to determine the changed region can be quite expensive on
# Win32. Assuming that most files will be kept problem-free, we can
# skip the SCM operations most of the time.
if all(callable_rule(line) for line in f.NewContents()):
continue # No violation found in full text: can skip considering diff.
for line_num, line in f.ChangedContents():
if not callable_rule(line):
errors.append(error_formatter(f.LocalPath(), line_num, line))
return errors
def CheckChangeHasNoTabs(input_api, output_api, source_file_filter=None):
"""Checks that there are no tab characters in any of the text files to be
submitted.
"""
# In addition to the filter, make sure that makefiles are blacklisted.
if not source_file_filter:
# It's the default filter.
source_file_filter = input_api.FilterSourceFile
def filter_more(affected_file):
return (not input_api.os_path.basename(affected_file.LocalPath()) in
('Makefile', 'makefile') and
source_file_filter(affected_file))
tabs = _FindNewViolationsOfRule(lambda line : '\t' not in line,
input_api, filter_more)
if tabs:
return [output_api.PresubmitPromptWarning('Found a tab character in:',
long_text='\n'.join(tabs))]
return []
def CheckChangeTodoHasOwner(input_api, output_api, source_file_filter=None):
"""Checks that the user didn't add TODO(name) without an owner."""
unowned_todo = input_api.re.compile('TO' + 'DO[^(]')
errors = _FindNewViolationsOfRule(lambda x : not unowned_todo.search(x),
input_api, source_file_filter)
errors = ['Found TO' + 'DO with no owner in ' + x for x in errors]
if errors:
return [output_api.PresubmitPromptWarning('\n'.join(errors))]
return []
def CheckChangeHasNoStrayWhitespace(input_api, output_api,
source_file_filter=None):
"""Checks that there is no stray whitespace at source lines end."""
errors = _FindNewViolationsOfRule(lambda line : line.rstrip() == line,
input_api, source_file_filter)
if errors:
return [output_api.PresubmitPromptWarning(
'Found line ending with white spaces in:',
long_text='\n'.join(errors))]
return []
def CheckLongLines(input_api, output_api, maxlen=80, source_file_filter=None):
"""Checks that there aren't any lines longer than maxlen characters in any of
the text files to be submitted.
"""
# Stupidly long symbols that needs to be worked around if takes 66% of line.
long_symbol = maxlen * 2 / 3
# Hard line length limit at 50% more.
extra_maxlen = maxlen * 3 / 2
# Note: these are C++ specific but processed on all languages. :(
MACROS = ('#define', '#include', '#import', '#pragma', '#if', '#endif')
def no_long_lines(line):
if len(line) <= maxlen:
return True
if len(line) > extra_maxlen:
return False
return (
line.startswith(MACROS) or
any((url in line) for url in ('http://', 'https://')) or
input_api.re.match(
r'.*[A-Za-z][A-Za-z_0-9]{%d,}.*' % long_symbol, line))
def format_error(filename, line_num, line):
return '%s, line %s, %s chars' % (filename, line_num, len(line))
errors = _FindNewViolationsOfRule(no_long_lines, input_api,
source_file_filter,
error_formatter=format_error)
if errors:
msg = 'Found lines longer than %s characters (first 5 shown).' % maxlen
return [output_api.PresubmitPromptWarning(msg, items=errors[:5])]
else:
return []
def CheckLicense(input_api, output_api, license_re, source_file_filter=None,
accept_empty_files=True):
"""Verifies the license header.
"""
license_re = input_api.re.compile(license_re, input_api.re.MULTILINE)
bad_files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
contents = input_api.ReadFile(f, 'rb')
if accept_empty_files and not contents:
continue
if not license_re.search(contents):
bad_files.append(f.LocalPath())
if bad_files:
if input_api.is_committing:
res_type = output_api.PresubmitPromptWarning
else:
res_type = output_api.PresubmitNotifyResult
return [res_type(
'License must match:\n%s\n' % license_re.pattern +
'Found a bad license header in these files:', items=bad_files)]
return []
def CheckChangeSvnEolStyle(input_api, output_api, source_file_filter=None):
"""Checks that the source files have svn:eol-style=LF."""
return CheckSvnProperty(input_api, output_api,
'svn:eol-style', 'LF',
input_api.AffectedSourceFiles(source_file_filter))
def CheckSvnForCommonMimeTypes(input_api, output_api):
"""Checks that common binary file types have the correct svn:mime-type."""
output = []
files = input_api.AffectedFiles(include_deletes=False)
def IsExts(x, exts):
path = x.LocalPath()
for extension in exts:
if path.endswith(extension):
return True
return False
def FilterFiles(extension):
return filter(lambda x: IsExts(x, extension), files)
def RunCheck(mime_type, files):
output.extend(CheckSvnProperty(input_api, output_api, 'svn:mime-type',
mime_type, files))
RunCheck('application/pdf', FilterFiles(['.pdf']))
RunCheck('image/bmp', FilterFiles(['.bmp']))
RunCheck('image/gif', FilterFiles(['.gif']))
RunCheck('image/png', FilterFiles(['.png']))
RunCheck('image/jpeg', FilterFiles(['.jpg', '.jpeg', '.jpe']))
RunCheck('image/vnd.microsoft.icon', FilterFiles(['.ico']))
return output
def CheckSvnProperty(input_api, output_api, prop, expected, affected_files):
"""Checks that affected_files files have prop=expected."""
if input_api.change.scm != 'svn':
return []
bad = filter(lambda f: f.Property(prop) != expected, affected_files)
if bad:
if input_api.is_committing:
res_type = output_api.PresubmitError
else:
res_type = output_api.PresubmitNotifyResult
message = 'Run the command: svn pset %s %s \\' % (prop, expected)
return [res_type(message, items=bad)]
return []
### Other checks
def CheckDoNotSubmit(input_api, output_api):
return (
CheckDoNotSubmitInDescription(input_api, output_api) +
CheckDoNotSubmitInFiles(input_api, output_api)
)
def CheckTreeIsOpen(input_api, output_api,
url=None, closed=None, json_url=None):
"""Check whether to allow commit without prompt.
Supports two styles:
1. Checks that an url's content doesn't match a regexp that would mean that
the tree is closed. (old)
2. Check the json_url to decide whether to allow commit without prompt.
Args:
input_api: input related apis.
output_api: output related apis.
url: url to use for regex based tree status.
closed: regex to match for closed status.
json_url: url to download json style status.
"""
if not input_api.is_committing:
return []
try:
if json_url:
connection = input_api.urllib2.urlopen(json_url)
status = input_api.json.loads(connection.read())
connection.close()
if not status['can_commit_freely']:
short_text = 'Tree state is: ' + status['general_state']
long_text = status['message'] + '\n' + json_url
return [output_api.PresubmitError(short_text, long_text=long_text)]
else:
# TODO(bradnelson): drop this once all users are gone.
connection = input_api.urllib2.urlopen(url)
status = connection.read()
connection.close()
if input_api.re.match(closed, status):
long_text = status + '\n' + url
return [output_api.PresubmitError('The tree is closed.',
long_text=long_text)]
except IOError:
pass
return []
def RunUnitTestsInDirectory(
input_api, output_api, directory, whitelist=None, blacklist=None):
"""Lists all files in a directory and runs them. Doesn't recurse.
It's mainly a wrapper for RunUnitTests. USe whitelist and blacklist to filter
tests accordingly.
"""
unit_tests = []
test_path = input_api.os_path.abspath(
input_api.os_path.join(input_api.PresubmitLocalPath(), directory))
def check(filename, filters):
return any(True for i in filters if input_api.re.match(i, filename))
for filename in input_api.os_listdir(test_path):
fullpath = input_api.os_path.join(test_path, filename)
if not input_api.os_path.isfile(fullpath):
continue
if whitelist and not check(filename, whitelist):
continue
if blacklist and check(filename, blacklist):
continue
unit_tests.append(input_api.os_path.join(directory, filename))
return RunUnitTests(input_api, output_api, unit_tests)
def RunUnitTests(input_api, output_api, unit_tests):
"""Runs all unit tests in a directory.
On Windows, sys.executable is used for unit tests ending with ".py".
"""
# We don't want to hinder users from uploading incomplete patches.
if input_api.is_committing:
message_type = output_api.PresubmitError
else:
message_type = output_api.PresubmitPromptWarning
results = []
for unit_test in unit_tests:
cmd = []
if input_api.platform == 'win32' and unit_test.endswith('.py'):
# Windows needs some help.
cmd = [input_api.python_executable]
cmd.append(unit_test)
if input_api.verbose:
print('Running %s' % unit_test)
cmd.append('--verbose')
try:
if input_api.verbose:
input_api.subprocess.check_call(cmd, cwd=input_api.PresubmitLocalPath())
else:
input_api.subprocess.check_output(
cmd,
stderr=input_api.subprocess.STDOUT,
cwd=input_api.PresubmitLocalPath())
except (OSError, input_api.subprocess.CalledProcessError), e:
results.append(message_type('%s failed!\n%s' % (unit_test, e)))
return results
def RunPythonUnitTests(input_api, output_api, unit_tests):
"""Run the unit tests out of process, capture the output and use the result
code to determine success.
DEPRECATED.
"""
# We don't want to hinder users from uploading incomplete patches.
if input_api.is_committing:
message_type = output_api.PresubmitError
else:
message_type = output_api.PresubmitNotifyResult
results = []
for unit_test in unit_tests:
# Run the unit tests out of process. This is because some unit tests
# stub out base libraries and don't clean up their mess. It's too easy to
# get subtle bugs.
cwd = None
env = None
unit_test_name = unit_test
# 'python -m test.unit_test' doesn't work. We need to change to the right
# directory instead.
if '.' in unit_test:
# Tests imported in submodules (subdirectories) assume that the current
# directory is in the PYTHONPATH. Manually fix that.
unit_test = unit_test.replace('.', '/')
cwd = input_api.os_path.dirname(unit_test)
unit_test = input_api.os_path.basename(unit_test)
env = input_api.environ.copy()
# At least on Windows, it seems '.' must explicitly be in PYTHONPATH
backpath = [
'.', input_api.os_path.pathsep.join(['..'] * (cwd.count('/') + 1))
]
if env.get('PYTHONPATH'):
backpath.append(env.get('PYTHONPATH'))
env['PYTHONPATH'] = input_api.os_path.pathsep.join((backpath))
cmd = [input_api.python_executable, '-m', '%s' % unit_test]
try:
input_api.subprocess.check_output(
cmd, stderr=input_api.subprocess.STDOUT, cwd=cwd, env=env)
except (OSError, input_api.subprocess.CalledProcessError), e:
results.append(message_type('%s failed!\n%s' % (unit_test_name, e)))
return results
def _FetchAllFiles(input_api, white_list, black_list):
"""Hack to fetch all files."""
# We cannot use AffectedFiles here because we want to test every python
# file on each single python change. It's because a change in a python file
# can break another unmodified file.
# Use code similar to InputApi.FilterSourceFile()
def Find(filepath, filters):
for item in filters:
if input_api.re.match(item, filepath):
return True
return False
files = []
path_len = len(input_api.PresubmitLocalPath())
for dirpath, dirnames, filenames in input_api.os_walk(
input_api.PresubmitLocalPath()):
# Passes dirnames in black list to speed up search.
for item in dirnames[:]:
filepath = input_api.os_path.join(dirpath, item)[path_len + 1:]
if Find(filepath, black_list):
dirnames.remove(item)
for item in filenames:
filepath = input_api.os_path.join(dirpath, item)[path_len + 1:]
if Find(filepath, white_list) and not Find(filepath, black_list):
files.append(filepath)
return files
def RunPylint(input_api, output_api, white_list=None, black_list=None):
"""Run pylint on python files.
The default white_list enforces looking only a *.py files.
"""
white_list = tuple(white_list or ('.*\.py$',))
black_list = tuple(black_list or input_api.DEFAULT_BLACK_LIST)
if input_api.is_committing:
error_type = output_api.PresubmitError
else:
error_type = output_api.PresubmitPromptWarning
# Only trigger if there is at least one python file affected.
src_filter = lambda x: input_api.FilterSourceFile(x, white_list, black_list)
if not input_api.AffectedSourceFiles(src_filter):
return []
# On certain pylint/python version combination, running pylint throws a lot of
# warning messages.
import warnings
warnings.filterwarnings('ignore', category=DeprecationWarning)
try:
files = _FetchAllFiles(input_api, white_list, black_list)
if not files:
return []
# Now that at least one python file was modified and all the python files
# were listed, try to run pylint.
try:
from pylint import lint
input_api.logging.debug(
'Using pylint v%s from %s' % (lint.version, lint.__file__))
except ImportError:
if input_api.platform == 'win32':
return [output_api.PresubmitNotifyResult(
'Warning: Can\'t run pylint because it is not installed. Please '
'install manually\n'
'Cannot do static analysis of python files.')]
return [output_api.PresubmitError(
'Please install pylint with "sudo apt-get install python-setuptools; '
'sudo easy_install pylint"\n'
'or visit http://pypi.python.org/pypi/setuptools.\n'
'Cannot do static analysis of python files.')]
def run_lint(files):
try:
lint.Run(files)
assert False
except SystemExit, e:
# pylint has the bad habit of calling sys.exit(), trap it here.
return e.code
result = None
if not input_api.verbose:
result = run_lint(sorted(files))
else:
for filename in sorted(files):
print('Running pylint on %s' % filename)
out = run_lint([filename])
if out:
result = out
if result:
return [error_type('Fix pylint errors first.')]
return []
finally:
warnings.filterwarnings('default', category=DeprecationWarning)
# TODO(dpranke): Get the host_url from the input_api instead
def CheckRietveldTryJobExecution(input_api, output_api, host_url, platforms,
owner):
if not input_api.is_committing:
return []
if not input_api.change.issue or not input_api.change.patchset:
return []
url = '%s/%d/get_build_results/%d' % (
host_url, input_api.change.issue, input_api.change.patchset)
try:
connection = input_api.urllib2.urlopen(url)
# platform|status|url
values = [item.split('|', 2) for item in connection.read().splitlines()]
connection.close()
except input_api.urllib2.HTTPError, e:
if e.code == 404:
# Fallback to no try job.
return [output_api.PresubmitPromptWarning(
'You should try the patch first.')]
else:
# Another HTTP error happened, warn the user.
return [output_api.PresubmitPromptWarning(
'Got %s while looking for try job status.' % str(e))]
if not values:
# It returned an empty list. Probably a private review.
return []
# Reformat as an dict of platform: [status, url]
values = dict([[v[0], [v[1], v[2]]] for v in values if len(v) == 3])
if not values:
# It returned useless data.
return [output_api.PresubmitNotifyResult('Failed to parse try job results')]
for platform in platforms:
values.setdefault(platform, ['not started', ''])
message = None
non_success = [k.upper() for k, v in values.iteritems() if v[0] != 'success']
if 'failure' in [v[0] for v in values.itervalues()]:
message = 'Try job failures on %s!\n' % ', '.join(non_success)
elif non_success:
message = ('Unfinished (or not even started) try jobs on '
'%s.\n') % ', '.join(non_success)
if message:
message += (
'Is try server wrong or broken? Please notify %s. '
'Thanks.\n' % owner)
return [output_api.PresubmitPromptWarning(message=message)]
return []
def CheckBuildbotPendingBuilds(input_api, output_api, url, max_pendings,
ignored):
if not input_api.json:
return [output_api.PresubmitPromptWarning(
'Please install simplejson or upgrade to python 2.6+')]
try:
connection = input_api.urllib2.urlopen(url)
raw_data = connection.read()
connection.close()
except IOError:
return [output_api.PresubmitNotifyResult('%s is not accessible' % url)]
try:
data = input_api.json.loads(raw_data)
except ValueError:
return [output_api.PresubmitNotifyResult('Received malformed json while '
'looking up buildbot status')]
out = []
for (builder_name, builder) in data.iteritems():
if builder_name in ignored:
continue
if builder.get('state', '') == 'offline':
continue
pending_builds_len = len(builder.get('pending_builds', []))
if pending_builds_len > max_pendings:
out.append('%s has %d build(s) pending' %
(builder_name, pending_builds_len))
if out:
return [output_api.PresubmitPromptWarning(
'Build(s) pending. It is suggested to wait that no more than %d '
'builds are pending.' % max_pendings,
long_text='\n'.join(out))]
return []
def CheckOwners(input_api, output_api, source_file_filter=None):
if not input_api.is_committing:
return []
if input_api.tbr:
return [output_api.PresubmitNotifyResult(
'--tbr was specified, skipping OWNERS check')]
if not input_api.change.issue:
return [output_api.PresubmitError(
"OWNERS check failed: this change has no Rietveld issue number, so "
"we can't check it for approvals.")]
affected_files = set([f.LocalPath() for f in
input_api.change.AffectedFiles(file_filter=source_file_filter)])
owners_db = input_api.owners_db
owner_email, approvers = _RietveldOwnerAndApprovers(input_api,
owners_db.email_regexp)
if not owner_email:
return [output_api.PresubmitWarning(
'The issue was not uploaded so you have no OWNER approval.')]
approvers_plus_owner = approvers.union(set([owner_email]))
missing_files = owners_db.files_not_covered_by(affected_files,
approvers_plus_owner)
if missing_files:
return [output_api.PresubmitError('Missing LGTM from an OWNER for: %s' %
','.join(missing_files))]
if not approvers:
return [output_api.PresubmitError('Missing LGTM from someone other than %s'
% owner_email)]
return []
def _RietveldOwnerAndApprovers(input_api, email_regexp):
"""Return the owner and approvers of a change, if any."""
if not input_api.change.issue:
return None, None
issue_props = input_api.rietveld.get_issue_properties(
int(input_api.change.issue), True)
owner_email = issue_props['owner_email']
def match_reviewer(r):
return email_regexp.match(r) and r != owner_email
messages = issue_props.get('messages', [])
approvers = set(
m['sender'] for m in messages
if m.get('approval') and match_reviewer(m['sender']))
return owner_email, approvers
def _CheckConstNSObject(input_api, output_api, source_file_filter):
"""Checks to make sure no objective-c files have |const NSSomeClass*|."""
pattern = input_api.re.compile(
r'const\s+NS(?!(Point|Range|Rect|Size)\s*\*)\w*\s*\*')
def objective_c_filter(f):
return (source_file_filter(f) and
input_api.os_path.splitext(f.LocalPath())[1] in ('.h', '.m', '.mm'))
files = []
for f in input_api.AffectedSourceFiles(objective_c_filter):
contents = input_api.ReadFile(f)
if pattern.search(contents):
files.append(f)
if files:
if input_api.is_committing:
res_type = output_api.PresubmitPromptWarning
else:
res_type = output_api.PresubmitNotifyResult
return [ res_type('|const NSClass*| is wrong, see ' +
'http://dev.chromium.org/developers/clang-mac',
files) ]
return []
def _CheckSingletonInHeaders(input_api, output_api, source_file_filter):
"""Checks to make sure no header files have |Singleton<|."""
pattern = input_api.re.compile(r'Singleton\s*<')
files = []
for f in input_api.AffectedSourceFiles(source_file_filter):
if (f.LocalPath().endswith('.h') or f.LocalPath().endswith('.hxx') or
f.LocalPath().endswith('.hpp') or f.LocalPath().endswith('.inl')):
contents = input_api.ReadFile(f)
for line in contents.splitlines(False):
line = input_api.re.sub(r'//.*$', '', line) # Strip C++ comment.
if pattern.search(line):
files.append(f)
break
if files:
return [ output_api.PresubmitError(
'Found Singleton<T> in the following header files.\n' +
'Please move them to an appropriate source file so that the ' +
'template gets instantiated in a single compilation unit.',
files) ]
return []
def PanProjectChecks(input_api, output_api,
excluded_paths=None, text_files=None,
license_header=None, project_name=None,
owners_check=True):
"""Checks that ALL chromium orbit projects should use.
These are checks to be run on all Chromium orbit project, including:
Chromium
Native Client
V8
When you update this function, please take this broad scope into account.
Args:
input_api: Bag of input related interfaces.
output_api: Bag of output related interfaces.
excluded_paths: Don't include these paths in common checks.
text_files: Which file are to be treated as documentation text files.
license_header: What license header should be on files.
project_name: What is the name of the project as it appears in the license.
Returns:
A list of warning or error objects.
"""
excluded_paths = tuple(excluded_paths or [])
text_files = tuple(text_files or (
r'.+\.txt$',
r'.+\.json$',
))
project_name = project_name or 'Chromium'
license_header = license_header or (
r'.*? Copyright \(c\) %(year)s The %(project)s Authors\. '
r'All rights reserved\.\n'
r'.*? Use of this source code is governed by a BSD-style license that '
r'can be\n'
r'.*? found in the LICENSE file\.\n'
) % {
'year': input_api.time.strftime('%Y'),
'project': project_name,
}
results = []
# This code loads the default black list (e.g. third_party, experimental, etc)
# and add our black list (breakpad, skia and v8 are still not following
# google style and are not really living this repository).
# See presubmit_support.py InputApi.FilterSourceFile for the (simple) usage.
black_list = input_api.DEFAULT_BLACK_LIST + excluded_paths
white_list = input_api.DEFAULT_WHITE_LIST + text_files
sources = lambda x: input_api.FilterSourceFile(x, black_list=black_list)
text_files = lambda x: input_api.FilterSourceFile(
x, black_list=black_list, white_list=white_list)
snapshot_memory = []
def snapshot(msg):
"""Measures & prints performance warning if a rule is running slow."""
dt2 = input_api.time.clock()
if snapshot_memory:
delta_ms = int(1000*(dt2 - snapshot_memory[0]))
if delta_ms > 500:
print " %s took a long time: %dms" % (snapshot_memory[1], delta_ms)
snapshot_memory[:] = (dt2, msg)
if owners_check:
snapshot("checking owners")
results.extend(input_api.canned_checks.CheckOwners(
input_api, output_api, source_file_filter=None))
snapshot("checking long lines")
results.extend(input_api.canned_checks.CheckLongLines(
input_api, output_api, source_file_filter=sources))
snapshot( "checking tabs")
results.extend(input_api.canned_checks.CheckChangeHasNoTabs(
input_api, output_api, source_file_filter=sources))
snapshot( "checking stray whitespace")
results.extend(input_api.canned_checks.CheckChangeHasNoStrayWhitespace(
input_api, output_api, source_file_filter=sources))
snapshot("checking nsobjects")
results.extend(_CheckConstNSObject(
input_api, output_api, source_file_filter=sources))
snapshot("checking singletons")
results.extend(_CheckSingletonInHeaders(
input_api, output_api, source_file_filter=sources))
# The following checks are only done on commit, since the commit bot will
# auto-fix most of these.
if input_api.is_committing:
snapshot("checking eol style")
results.extend(input_api.canned_checks.CheckChangeSvnEolStyle(
input_api, output_api, source_file_filter=text_files))
snapshot("checking svn mime types")
results.extend(input_api.canned_checks.CheckSvnForCommonMimeTypes(
input_api, output_api))
snapshot("checking license")
results.extend(input_api.canned_checks.CheckLicense(
input_api, output_api, license_header, source_file_filter=sources))
snapshot("checking was uploaded")
results.extend(input_api.canned_checks.CheckChangeWasUploaded(
input_api, output_api))
snapshot("done")
return results