gecko-dev/tools/mach_commands.py

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# 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 errno
from mach.decorators import (
CommandArgument,
CommandProvider,
Command,
)
from mozbuild.base import MachCommandBase
@CommandProvider
class SearchProvider(object):
@Command('mxr', category='misc',
description='Search for something in MXR.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def mxr(self, term):
import webbrowser
term = ' '.join(term)
uri = 'https://mxr.mozilla.org/mozilla-central/search?string=%s' % term
webbrowser.open_new_tab(uri)
@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 MXR.')
@CommandArgument('term', nargs='+', help='Term(s) to search for.')
def search(self, term):
self.google(term)
self.mdn(term)
self.mxr(term)
class Interface(object):
'''
Represents an XPIDL interface, in what file it is defined, what it derives
from, what its uuid is, and where in the source file the uuid is.
'''
def __init__(self, filename, production):
from xpidl import xpidl
assert isinstance(production, xpidl.Interface)
self.name = production.name
self.base = production.base
self.filename = filename
self.uuid = production.attributes.uuid
location = production.location
data = location._lexdata
attr_pos = data.rfind(b'[', 0, location._lexpos)
# uuid is always lowercase, but actual file content may not be.
self.uuid_pos = data[attr_pos:location._lexpos].lower() \
.rfind(self.uuid) + attr_pos
class InterfaceRegistry(object):
'''
Tracks XPIDL interfaces, and allow to search them by name and by the
interface they derive from.
'''
def __init__(self):
self.by_name = {}
self.by_base = {}
def get_by_name(self, name):
return self.by_name.get(name, [])
def get_by_base(self, base):
return self.by_base.get(base, [])
def add(self, interface):
l = self.by_name.setdefault(interface.name, [])
l.append(interface)
l = self.by_base.setdefault(interface.base, [])
l.append(interface)
class IDLUpdater(object):
'''
Updates interfaces uuids in IDL files.
'''
def __init__(self, interfaces):
from mozpack.copier import FileRegistry
self.interfaces = interfaces;
self.registry = FileRegistry()
def add(self, name):
for interface in self.interfaces.get_by_name(name):
self._add(interface)
def _add(self, interface):
from mozpack.files import GeneratedFile
from uuid import uuid4
path = interface.filename
if not self.registry.contains(path):
self.registry.add(path, GeneratedFile(open(path).read()))
content = self.registry[path].content
content = content[:interface.uuid_pos] + str(uuid4()) + \
content[interface.uuid_pos + len(interface.uuid):]
self.registry[path].content = content
# Recurse through all the interfaces deriving from this one
for derived in self.interfaces.get_by_base(interface.name):
self._add(derived)
def update(self):
for p, f in self.registry:
f.copy(p)
@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)
@Command('update-uuids', category='misc',
description='Update IDL files with new UUIDs.')
@CommandArgument('--path', default='.',
help='Base path under which uuids will be searched.')
@CommandArgument('interfaces', nargs='+',
help='Changed interfaces whose UUIDs need to be updated. ' +
'Their descendants are updated as well.')
def update_uuids(self, path, interfaces):
import os
from xpidl import xpidl
from mozpack.files import FileFinder
import mozpack.path as mozpath
from tempfile import mkdtemp
finder = FileFinder(path, find_executables=False)
# Avoid creating xpidllex and xpidlyacc in the current directory.
tmpdir = mkdtemp()
try:
parser = xpidl.IDLParser(outputdir=tmpdir)
registry = InterfaceRegistry()
for p, f in finder.find('**/*.idl'):
p = mozpath.join(path, p)
try:
content = f.open().read()
idl = parser.parse(content, filename=p)
except Exception:
continue
for prod in idl.productions:
if isinstance(prod, xpidl.Interface):
registry.add(Interface(p, prod))
finally:
import shutil
shutil.rmtree(tmpdir)
updates = IDLUpdater(registry)
for interface in interfaces:
updates.add(interface)
updates.update()
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@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='',
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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
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URL = 'https://pastebin.mozilla.org/'
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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',
help = 'Show diff output on instead of applying changes')
def clang_format(self, show=False):
import urllib2
plat = platform.system()
fmt = plat.lower() + "/clang-format-3.5"
fmt_diff = "clang-format-diff-3.5"
# We are currently using a modified version of clang-format hosted on people.mozilla.org.
# This is a temporary work around until we upstream the necessary changes and we can use
# a system version of clang-format. See bug 961541.
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:
if not self.locate_or_fetch(fmt):
return 1
clang_format_diff = self.locate_or_fetch(fmt_diff)
if not clang_format_diff:
return 1
except urllib2.HTTPError as e:
print("HTTP error {0}: {1}".format(e.code, e.reason))
return 1
from subprocess import Popen, PIPE
if os.path.exists(".hg"):
diff_process = Popen(["hg", "diff", "-U0", "-r", "tip^",
"--include", "glob:**.c", "--include", "glob:**.cpp", "--include", "glob:**.h",
"--exclude", "listfile:.clang-format-ignore"], stdout=PIPE)
else:
git_process = Popen(["git", "diff", "-U0", "HEAD^"], stdout=PIPE)
try:
diff_process = Popen(["filterdiff", "--include=*.h", "--include=*.cpp",
"--exclude-from-file=.clang-format-ignore"],
stdin=git_process.stdout, stdout=PIPE)
except OSError as e:
if e.errno == errno.ENOENT:
print("Can't find filterdiff. Please install patchutils.")
else:
print("OSError {0}: {1}".format(e.code, e.reason))
return 1
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 locate_or_fetch(self, root):
target = os.path.join(self._mach_context.state_dir, os.path.basename(root))
if not os.path.exists(target):
site = "https://people.mozilla.org/~ajones/clang-format/"
if self.prompt and raw_input("Download clang-format executables from {0} (yN)? ".format(site)).lower() != 'y':
print("Download aborted.")
return 1
self.prompt = False
u = site + root
print("Downloading {0} to {1}".format(u, target))
data = urllib2.urlopen(url=u).read()
temp = target + ".tmp"
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