gecko-dev/tools/mach_commands.py
Sylvestre Ledru e0bda6ceaf Bug 1410938 - Make mach_commands.py flake8/pep8 compatible and add it the list of flake8 files r=gps
MozReview-Commit-ID: HKWsDehR0vZ

--HG--
extra : rebase_source : 1e77f8aee5f909dd7b4cfaace6014015c51cf589
2017-10-23 18:40:22 +02:00

424 lines
17 KiB
Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, # You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import absolute_import, unicode_literals
import sys
import os
import stat
import platform
import re
from mach.decorators import (
CommandArgument,
CommandProvider,
Command,
)
from mozbuild.base import MachCommandBase, MozbuildObject
@CommandProvider
class SearchProvider(object):
@Command('dxr', category='misc',
description='Search for something in DXR.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def dxr(self, term):
import webbrowser
term = ' '.join(term)
uri = 'http://dxr.mozilla.org/mozilla-central/search?q=%s&redirect=true' % term
webbrowser.open_new_tab(uri)
@Command('mdn', category='misc',
description='Search for something on MDN.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def mdn(self, term):
import webbrowser
term = ' '.join(term)
uri = 'https://developer.mozilla.org/search?q=%s' % term
webbrowser.open_new_tab(uri)
@Command('google', category='misc',
description='Search for something on Google.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def google(self, term):
import webbrowser
term = ' '.join(term)
uri = 'https://www.google.com/search?q=%s' % term
webbrowser.open_new_tab(uri)
@Command('search', category='misc',
description='Search for something on the Internets. '
'This will open 3 new browser tabs and search for the term on Google, '
'MDN, and DXR.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def search(self, term):
self.google(term)
self.mdn(term)
self.dxr(term)
@CommandProvider
class UUIDProvider(object):
@Command('uuid', category='misc',
description='Generate a uuid.')
@CommandArgument('--format', '-f', choices=['idl', 'cpp', 'c++'],
help='Output format for the generated uuid.')
def uuid(self, format=None):
import uuid
u = uuid.uuid4()
if format in [None, 'idl']:
print(u)
if format is None:
print('')
if format in [None, 'cpp', 'c++']:
u = u.hex
print('{ 0x%s, 0x%s, 0x%s, \\' % (u[0:8], u[8:12], u[12:16]))
pairs = tuple(map(lambda n: u[n:n+2], range(16, 32, 2)))
print((' { ' + '0x%s, ' * 7 + '0x%s } }') % pairs)
@CommandProvider
class PastebinProvider(object):
@Command('pastebin', category='misc',
description='Command line interface to pastebin.mozilla.org.')
@CommandArgument('--language', default=None,
help='Language to use for syntax highlighting')
@CommandArgument('--poster', default='',
help='Specify your name for use with pastebin.mozilla.org')
@CommandArgument('--duration', default='day',
choices=['d', 'day', 'm', 'month', 'f', 'forever'],
help='Keep for specified duration (default: %(default)s)')
@CommandArgument('file', nargs='?', default=None,
help='Specify the file to upload to pastebin.mozilla.org')
def pastebin(self, language, poster, duration, file):
import urllib
import urllib2
URL = 'https://pastebin.mozilla.org/'
FILE_TYPES = [{'value': 'text', 'name': 'None', 'extension': 'txt'},
{'value': 'bash', 'name': 'Bash', 'extension': 'sh'},
{'value': 'c', 'name': 'C', 'extension': 'c'},
{'value': 'cpp', 'name': 'C++', 'extension': 'cpp'},
{'value': 'html4strict', 'name': 'HTML', 'extension': 'html'},
{'value': 'javascript', 'name': 'Javascript', 'extension': 'js'},
{'value': 'javascript', 'name': 'Javascript', 'extension': 'jsm'},
{'value': 'lua', 'name': 'Lua', 'extension': 'lua'},
{'value': 'perl', 'name': 'Perl', 'extension': 'pl'},
{'value': 'php', 'name': 'PHP', 'extension': 'php'},
{'value': 'python', 'name': 'Python', 'extension': 'py'},
{'value': 'ruby', 'name': 'Ruby', 'extension': 'rb'},
{'value': 'css', 'name': 'CSS', 'extension': 'css'},
{'value': 'diff', 'name': 'Diff', 'extension': 'diff'},
{'value': 'ini', 'name': 'INI file', 'extension': 'ini'},
{'value': 'java', 'name': 'Java', 'extension': 'java'},
{'value': 'xml', 'name': 'XML', 'extension': 'xml'},
{'value': 'xml', 'name': 'XML', 'extension': 'xul'}]
lang = ''
if file:
try:
with open(file, 'r') as f:
content = f.read()
# TODO: Use mime-types instead of extensions; suprocess('file <f_name>')
# Guess File-type based on file extension
extension = file.split('.')[-1]
for l in FILE_TYPES:
if extension == l['extension']:
print('Identified file as %s' % l['name'])
lang = l['value']
except IOError:
print('ERROR. No such file')
return 1
else:
content = sys.stdin.read()
duration = duration[0]
if language:
lang = language
params = [
('parent_pid', ''),
('format', lang),
('code2', content),
('poster', poster),
('expiry', duration),
('paste', 'Send')]
data = urllib.urlencode(params)
print('Uploading ...')
try:
req = urllib2.Request(URL, data)
response = urllib2.urlopen(req)
http_response_code = response.getcode()
if http_response_code == 200:
print(response.geturl())
else:
print('Could not upload the file, '
'HTTP Response Code %s' % (http_response_code))
except urllib2.URLError:
print('ERROR. Could not connect to pastebin.mozilla.org.')
return 1
return 0
@CommandProvider
class FormatProvider(MachCommandBase):
@Command('clang-format', category='misc',
description='Run clang-format on current changes')
@CommandArgument('--show', '-s', action='store_true', default=False,
help='Show diff output on instead of applying changes')
@CommandArgument('--path', '-p', nargs='+', default=None,
help='Specify the path(s) to reformat')
def clang_format(self, show, path):
# Run clang-format or clang-format-diff on the local changes
# or files/directories
import urllib2
plat = platform.system()
fmt = plat.lower() + "/clang-format-5.0"
fmt_diff = "clang-format-diff-5.0"
if plat == "Windows":
fmt += ".exe"
else:
arch = os.uname()[4]
if (plat != "Linux" and plat != "Darwin") or arch != 'x86_64':
print("Unsupported platform " + plat + "/" + arch +
". Supported platforms are Windows/*, Linux/x86_64 and Darwin/x86_64")
return 1
os.chdir(self.topsrcdir)
self.prompt = True
try:
clang_format = self.locate_or_fetch(fmt)
if not clang_format:
return 1
clang_format_diff = self.locate_or_fetch(fmt_diff, python_script=True)
if not clang_format_diff:
return 1
except urllib2.HTTPError as e:
print("HTTP error {0}: {1}".format(e.code, e.reason))
return 1
if path is None:
return self.run_clang_format_diff(clang_format_diff, show)
else:
return self.run_clang_format_path(clang_format, show, path)
def locate_or_fetch(self, root, python_script=False):
# Download the clang-format binary & python clang-format-diff if doesn't
# exists
import urllib2
import hashlib
bin_sha = {
"Windows": "5b6a236425abde1a04ff09e74d8fd0fee1d49e5a35e228b24d77366cab03e1141b8073eec1b36c43e265a80bee707baaa7f96856b4820cbb02069775e58a3f9d", # noqa: E501
"Linux": "64444efd9b6895447359a9f70d6781251e74d7881f993b5d81a19f8e6a8503f798d42506061fb9eb48729b7327c42a9d273c80dde18816a350fdbc020ebfa783", # noqa: E501
"Darwin": "d9b08e21c233426628e39dd49bbb9b4e43cccb9aeb78d043dec2bdf6b1eacafddd13488558d38dfa0a0d39946b03b72c58933f1f79d638c045353cf3f4ae0fa4", # noqa: E501
"python_script": "051b8c8932085616a775ef8b7b1384687db8f37660938f94e9389bf6dba6f6e244d2dc63d23e1d2bf8ab96c9bd5244faefc5218a1f90d5ec692698f0094a3238", # noqa: E501
}
target = os.path.join(self._mach_context.state_dir, os.path.basename(root))
if not os.path.exists(target):
tooltool_url = "https://tooltool.mozilla-releng.net/sha512/"
if self.prompt and raw_input("Download clang-format executables from {0} (yN)? ".format(tooltool_url)).lower() != 'y': # noqa: E501,F821
print("Download aborted.")
return None
self.prompt = False
plat = platform.system()
if python_script:
# We want to download the python script (clang-format-diff)
dl = bin_sha["python_script"]
else:
dl = bin_sha[plat]
u = tooltool_url + dl
print("Downloading {0} to {1}".format(u, target))
data = urllib2.urlopen(url=u).read()
temp = target + ".tmp"
# Check that the checksum of the downloaded data matches the hash
# of the file
sha512Hash = hashlib.sha512(data).hexdigest()
if sha512Hash != dl:
print("Checksum verification for {0} failed: {1} found instead of {2} ".format(target, sha512Hash, dl)) # noqa: E501
return 1
with open(temp, "wb") as fh:
fh.write(data)
fh.close()
os.chmod(temp, os.stat(temp).st_mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)
os.rename(temp, target)
return target
# List of file extension to consider (should start with dot)
_format_include_extensions = ('.cpp', '.c', '.h')
# File contaning all paths to exclude from formatting
_format_ignore_file = '.clang-format-ignore'
def _get_clang_format_diff_command(self):
if self.repository.name == 'hg':
args = ["hg", "diff", "-U0", "-r" ".^"]
for dot_extension in self._format_include_extensions:
args += ['--include', 'glob:**{0}'.format(dot_extension)]
args += ['--exclude', 'listfile:{0}'.format(self._format_ignore_file)]
else:
args = ["git", "diff", "--no-color", "-U0", "HEAD", "--"]
for dot_extension in self._format_include_extensions:
args += ['*{0}'.format(dot_extension)]
# git-diff doesn't support an 'exclude-from-files' param, but
# allow to add individual exclude pattern since v1.9, see
# https://git-scm.com/docs/gitglossary#gitglossary-aiddefpathspecapathspec
with open(self._format_ignore_file, 'rb') as exclude_pattern_file:
for pattern in exclude_pattern_file.readlines():
pattern = pattern.rstrip()
pattern = pattern.replace('.*', '**')
if not pattern or pattern.startswith('#'):
continue # empty or comment
magics = ['exclude']
if pattern.startswith('^'):
magics += ['top']
pattern = pattern[1:]
args += [':({0}){1}'.format(','.join(magics), pattern)]
return args
def run_clang_format_diff(self, clang_format_diff, show):
# Run clang-format on the diff
# Note that this will potentially miss a lot things
from subprocess import Popen, PIPE
diff_process = Popen(self._get_clang_format_diff_command(), stdout=PIPE)
args = [sys.executable, clang_format_diff, "-p1"]
if not show:
args.append("-i")
cf_process = Popen(args, stdin=diff_process.stdout)
return cf_process.communicate()[0]
def generate_path_list(self, paths):
pathToThirdparty = os.path.join(self.topsrcdir, self._format_ignore_file)
ignored_dir = []
for line in open(pathToThirdparty):
# Remove comments and empty lines
if line.startswith('#') or len(line.strip()) == 0:
continue
ignored_dir.append(line.rstrip())
# Generates the list of regexp
ignored_dir_re = '(%s)' % '|'.join(ignored_dir)
extensions = self._format_include_extensions
path_list = []
for f in paths:
if re.match(ignored_dir_re, f):
# Early exit if we have provided an ignored directory
print("clang-format: Ignored third party code '{0}'".format(f))
continue
if os.path.isdir(f):
# Processing a directory, generate the file list
for folder, subs, files in os.walk(f):
subs.sort()
for filename in sorted(files):
f_in_dir = os.path.join(folder, filename)
if (f_in_dir.endswith(extensions)
and not re.match(ignored_dir_re, f_in_dir)):
# Supported extension and accepted path
path_list.append(f_in_dir)
else:
if f.endswith(extensions):
path_list.append(f)
return path_list
def run_clang_format_path(self, clang_format, show, paths):
# Run clang-format on files or directories directly
from subprocess import Popen
args = [clang_format, "-i"]
path_list = self.generate_path_list(paths)
if path_list == []:
return
print("Processing %d file(s)..." % len(path_list))
batchsize = 200
for i in range(0, len(path_list), batchsize):
l = path_list[i: (i + batchsize)]
# Run clang-format on the list
cf_process = Popen(args + l)
# Wait until the process is over
cf_process.communicate()[0]
if show:
# show the diff
if self.repository.name == 'hg':
cf_process = Popen(["hg", "diff"] + paths)
else:
assert self.repository.name == 'git'
cf_process = Popen(["git", "diff"] + paths)
cf_process.communicate()[0]
def mozregression_import():
# Lazy loading of mozregression.
# Note that only the mach_interface module should be used from this file.
try:
import mozregression.mach_interface
except ImportError:
return None
return mozregression.mach_interface
def mozregression_create_parser():
# Create the mozregression command line parser.
# if mozregression is not installed, or not up to date, it will
# first be installed.
cmd = MozbuildObject.from_environment()
cmd._activate_virtualenv()
mozregression = mozregression_import()
if not mozregression:
# mozregression is not here at all, install it
cmd.virtualenv_manager.install_pip_package('mozregression')
print("mozregression was installed. please re-run your"
" command. If you keep getting this message please "
" manually run: 'pip install -U mozregression'.")
else:
# check if there is a new release available
release = mozregression.new_release_on_pypi()
if release:
print(release)
# there is one, so install it. Note that install_pip_package
# does not work here, so just run pip directly.
cmd.virtualenv_manager._run_pip([
'install',
'mozregression==%s' % release
])
print("mozregression was updated to version %s. please"
" re-run your command." % release)
else:
# mozregression is up to date, return the parser.
return mozregression.parser()
# exit if we updated or installed mozregression because
# we may have already imported mozregression and running it
# as this may cause issues.
sys.exit(0)
@CommandProvider
class MozregressionCommand(MachCommandBase):
@Command('mozregression',
category='misc',
description=("Regression range finder for nightly"
" and inbound builds."),
parser=mozregression_create_parser)
def run(self, **options):
self._activate_virtualenv()
mozregression = mozregression_import()
mozregression.run(options)