Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# 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/.
@imports('sys')
def die(*args):
'Print an error and terminate configure.'
log.error(*args)
sys.exit(1)
@imports(_from='mozbuild.configure', _import='ConfigureError')
def configure_error(message):
'''Raise a programming error and terminate configure.
Primarily for use in moz.configure templates to sanity check
their inputs from moz.configure usage.'''
raise ConfigureError(message)
# A wrapper to obtain a process' output that returns the output generated
# by running the given command if it exits normally, and streams that
# output to log.debug and calls die or the given error callback if it
# does not.
@imports('subprocess')
@imports('sys')
@imports(_from='mozbuild.configure.util', _import='LineIO')
@imports(_from='mozbuild.shellutil', _import='quote')
def check_cmd_output(*args, **kwargs):
onerror = kwargs.pop('onerror', None)
with log.queue_debug():
log.debug('Executing: `%s`', quote(*args))
proc = subprocess.Popen(args, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = proc.communicate()
retcode = proc.wait()
if retcode == 0:
return stdout
log.debug('The command returned non-zero exit status %d.',
retcode)
for out, desc in ((stdout, 'output'), (stderr, 'error output')):
if out:
log.debug('Its %s was:', desc)
with LineIO(lambda l: log.debug('| %s', l)) as o:
o.write(out)
if onerror:
return onerror()
die('Command `%s` failed with exit status %d.' %
(quote(*args), retcode))
@imports('os')
def is_absolute_or_relative(path):
if os.altsep and os.altsep in path:
return True
return os.sep in path
@imports(_import='mozpack.path', _as='mozpath')
def normsep(path):
return mozpath.normsep(path)
@imports('ctypes')
@imports(_from='ctypes', _import='wintypes')
@imports(_from='mozbuild.configure.constants', _import='WindowsBinaryType')
def windows_binary_type(path):
"""Obtain the type of a binary on Windows.
Returns WindowsBinaryType constant.
"""
GetBinaryTypeW = ctypes.windll.kernel32.GetBinaryTypeW
GetBinaryTypeW.argtypes = [wintypes.LPWSTR, wintypes.POINTER(wintypes.DWORD)]
GetBinaryTypeW.restype = wintypes.BOOL
bin_type = wintypes.DWORD()
res = GetBinaryTypeW(path, ctypes.byref(bin_type))
if not res:
die('could not obtain binary type of %s' % path)
if bin_type.value == 0:
return WindowsBinaryType('win32')
elif bin_type.value == 6:
return WindowsBinaryType('win64')
# If we see another binary type, something is likely horribly wrong.
else:
die('unsupported binary type on %s: %s' % (path, bin_type))
@imports('ctypes')
@imports(_from='ctypes', _import='wintypes')
def get_GetShortPathNameW():
GetShortPathNameW = ctypes.windll.kernel32.GetShortPathNameW
GetShortPathNameW.argtypes = [wintypes.LPCWSTR, wintypes.LPWSTR,
wintypes.DWORD]
GetShortPathNameW.restype = wintypes.DWORD
return GetShortPathNameW
@template
@imports('ctypes')
@imports('platform')
@imports(_from='mozbuild.shellutil', _import='quote')
def normalize_path():
# Until the build system can properly handle programs that need quoting,
# transform those paths into their short version on Windows (e.g.
# c:\PROGRA~1...).
if platform.system() == 'Windows':
GetShortPathNameW = get_GetShortPathNameW()
def normalize_path(path):
path = normsep(path)
if quote(path) == path:
return path
size = 0
while True:
out = ctypes.create_unicode_buffer(size)
needed = GetShortPathNameW(path, out, size)
if size >= needed:
if ' ' in out.value:
die("GetShortPathName returned a long path name. "
"Are 8dot3 filenames disabled?")
return normsep(out.value)
size = needed
else:
def normalize_path(path):
return normsep(path)
return normalize_path
normalize_path = normalize_path()
# Locates the given program using which, or returns the given path if it
# exists.
# The `paths` parameter may be passed to search the given paths instead of
# $PATH.
@imports(_from='which', _import='which')
@imports(_from='which', _import='WhichError')
@imports('itertools')
@imports(_from='os', _import='pathsep')
def find_program(file, paths=None):
try:
if is_absolute_or_relative(file):
return normalize_path(which(os.path.basename(file),
[os.path.dirname(file)]))
if paths:
if not isinstance(paths, (list, tuple)):
die("Paths provided to find_program must be a list of strings, "
"not %r", paths)
paths = list(itertools.chain(
*(p.split(pathsep) for p in paths if p)))
return normalize_path(which(file, path=paths))
except WhichError:
return None
@imports('os')
@imports('subprocess')
@imports(_from='mozbuild.configure.util', _import='LineIO')
@imports(_from='tempfile', _import='mkstemp')
def try_invoke_compiler(compiler, language, source, flags=None, onerror=None):
flags = flags or []
if not isinstance(flags, (list, tuple)):
die("Flags provided to try_compile must be a list of strings, "
"not %r", paths)
suffix = {
'C': '.c',
'C++': '.cpp',
}[language]
fd, path = mkstemp(prefix='conftest.', suffix=suffix)
try:
source = source.encode('ascii', 'replace')
log.debug('Creating `%s` with content:', path)
with LineIO(lambda l: log.debug('| %s', l)) as out:
out.write(source)
os.write(fd, source)
os.close(fd)
cmd = compiler + list(flags) + [path]
kwargs = {'onerror': onerror}
return check_cmd_output(*cmd, **kwargs)
finally:
os.remove(path)
def unique_list(l):
result = []
for i in l:
if l not in result:
result.append(i)
return result
# Get values out of the Windows registry. This function can only be called on
# Windows.
# The `pattern` argument is a string starting with HKEY_ and giving the full
# "path" of the registry key to get the value for, with backslash separators.
# The string can contains wildcards ('*').
# The result of this functions is an enumerator yielding tuples for each
# match. Each of these tuples contains the key name matching wildcards
# followed by the value.
#
# Examples:
# get_registry_values(r'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\'
# r'Windows Kits\Installed Roots\KitsRoot*')
# yields e.g.:
# ('KitsRoot81', r'C:\Program Files (x86)\Windows Kits\8.1\')
# ('KitsRoot10', r'C:\Program Files (x86)\Windows Kits\10\')
#
# get_registry_values(r'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\'
# r'Windows Kits\Installed Roots\KitsRoot8.1')
# yields e.g.:
# (r'C:\Program Files (x86)\Windows Kits\8.1\',)
#
# get_registry_values(r'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\'
# r'Windows Kits\*\KitsRoot*')
# yields e.g.:
# ('Installed Roots', 'KitsRoot81',
# r'C:\Program Files (x86)\Windows Kits\8.1\')
# ('Installed Roots', 'KitsRoot10',
# r'C:\Program Files (x86)\Windows Kits\10\')
#
# get_registry_values(r'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\'
# r'VisualStudio\VC\*\x86\*\Compiler')
# yields e.g.:
# ('19.0', 'arm', r'C:\...\amd64_arm\cl.exe')
# ('19.0', 'x64', r'C:\...\amd64\cl.exe')
# ('19.0', 'x86', r'C:\...\amd64_x86\cl.exe')
@imports(_import='_winreg', _as='winreg')
@imports(_from='__builtin__', _import='WindowsError')
@imports(_from='fnmatch', _import='fnmatch')
def get_registry_values(pattern):
def enum_helper(func, key):
i = 0
while True:
try:
yield func(key, i)
except WindowsError:
break
i += 1
def get_keys(key, pattern):
try:
s = winreg.OpenKey(key, '\\'.join(pattern[:-1]))
except WindowsError:
return
for k in enum_helper(winreg.EnumKey, s):
if fnmatch(k, pattern[-1]):
try:
yield k, winreg.OpenKey(s, k)
except WindowsError:
pass
def get_values(key, pattern):
try:
s = winreg.OpenKey(key, '\\'.join(pattern[:-1]))
except WindowsError:
return
for k, v, t in enum_helper(winreg.EnumValue, s):
if fnmatch(k, pattern[-1]):
yield k, v
def split_pattern(pattern):
subpattern = []
for p in pattern:
subpattern.append(p)
if '*' in p:
yield subpattern
subpattern = []
if subpattern:
yield subpattern
pattern = pattern.split('\\')
assert pattern[0].startswith('HKEY_')
keys = [(getattr(winreg, pattern[0]),)]
pattern = list(split_pattern(pattern[1:]))
for i, p in enumerate(pattern):
next_keys = []
for base_key in keys:
matches = base_key[:-1]
base_key = base_key[-1]
if i == len(pattern) - 1:
want_name = '*' in p[-1]
for name, value in get_values(base_key, p):
yield matches + ((name, value) if want_name else (value,))
else:
for name, k in get_keys(base_key, p):
next_keys.append(matches + (name, k))
keys = next_keys
@imports(_from='mozbuild.configure.util', _import='Version', _as='_Version')
def Version(v):
'A version number that can be compared usefully.'
return _Version(v)
# Denotes a deprecated option. Combines option() and @depends:
# @deprecated_option('--option')
# def option(value):
# ...
# @deprecated_option() takes the same arguments as option(), except `help`.
# The function may handle the option like a typical @depends function would,
# but it is recommended it emits a deprecation error message suggesting an
# alternative option to use if there is one.
@template
def deprecated_option(*args, **kwargs):
assert 'help' not in kwargs
kwargs['help'] = 'Deprecated'
opt = option(*args, **kwargs)
def decorator(func):
@depends(opt.option)
def deprecated(value):
if value.origin != 'default':
return func(value)
return deprecated
return decorator
# from mozbuild.util import ReadOnlyNamespace as namespace
@imports(_from='mozbuild.util', _import='ReadOnlyNamespace')
def namespace(**kwargs):
return ReadOnlyNamespace(**kwargs)
# Turn an object into an object that can be used as an argument to @depends.
# The given object can be a literal value, a function that takes no argument,
# or, for convenience, a @depends function.
@template
@imports(_from='inspect', _import='isfunction')
@imports(_from='mozbuild.configure', _import='SandboxDependsFunction')
def dependable(obj):
if isinstance(obj, SandboxDependsFunction):
return obj
if isfunction(obj):
return depends(when=True)(obj)
return depends(when=True)(lambda: obj)
always = dependable(True)
never = dependable(False)
# Some @depends function return namespaces, and one could want to use one
# specific attribute from such a namespace as a "value" given to functions
# such as `set_config`. But those functions do not take immediate values.
# The `delayed_getattr` function allows access to attributes from the result
# of a @depends function in a non-immediate manner.
# @depends('--option')
# def option(value)
# return namespace(foo=value)
# set_config('FOO', delayed_getattr(option, 'foo')
@template
def delayed_getattr(func, key):
@depends(func)
def result(value):
# The @depends function we're being passed may have returned
# None, or an object that simply doesn't have the wanted key.
# In that case, just return None.
return getattr(value, key, None)
return result
# Like @depends, but the decorated function is only called if one of the
# arguments it would be called with has a positive value (bool(value) is True)
@template
def depends_if(*args):
def decorator(func):
@depends(*args)
def wrapper(*args):
if any(arg for arg in args):
return func(*args)
return wrapper
return decorator
# Like @depends_if, but a distinguished value passed as a keyword argument
# "when" is truth tested instead of every argument. This value is not passed
# to the function if it is called.
@template
def depends_when(*args, **kwargs):
if not len(kwargs) == 1 and kwargs.get('when'):
die('depends_when requires a single keyword argument, "when"')
when = kwargs['when']
if not when:
return depends(*args)
def decorator(fn):
@depends(when, *args)
def wrapper(val, *args):
if val:
return fn(*args)
return wrapper
return decorator
# Hacks related to old-configure
# ==============================
@dependable
def old_configure_assignments():
return []
@dependable
def extra_old_configure_args():
return []
@template
def add_old_configure_assignment(var, value):
var = dependable(var)
value = dependable(value)
@depends(old_configure_assignments, var, value)
@imports(_from='mozbuild.shellutil', _import='quote')
def add_assignment(assignments, var, value):
if var is None or value is None:
return
if value is True:
assignments.append('%s=1' % var)
elif value is False:
assignments.append('%s=' % var)
else:
if isinstance(value, (list, tuple)):
value = quote(*value)
assignments.append('%s=%s' % (var, quote(str(value))))
@template
def add_old_configure_arg(arg):
@depends(extra_old_configure_args, arg)
def add_arg(args, arg):
if arg:
args.append(arg)