def _UnzipUsingZipFile(file_path, output_dir, verbose=True):
"""Extracts a zip file using the Python zipfile module."""
assert bisect_utils.IsWindowsHost() or bisect_utils.IsMacHost()
zf = zipfile.ZipFile(file_path)
for name in zf.namelist():
if verbose:
print 'Extracting %s' % name
zf.extract(name, output_dir)
if bisect_utils.IsMacHost():
# Restore file permission bits.
mode = zf.getinfo(name).external_attr >> 16
os.chmod(os.path.join(output_dir, name), mode)
def __init__(self, target_arch='ia32', target_platform='chromium'):
if bisect_utils.IsLinuxHost() and target_platform == 'android':
self._platform = 'android'
elif bisect_utils.IsLinuxHost():
self._platform = 'linux'
elif bisect_utils.IsMacHost():
self._platform = 'mac'
elif bisect_utils.Is64BitWindows() and target_arch == 'x64':
self._platform = 'win64'
elif bisect_utils.IsWindowsHost():
self._platform = 'win'
else:
raise NotImplementedError('Unknown platform "%s".' % sys.platform)
def Unzip(file_path, output_dir, verbose=True):
"""Extracts a zip archive's contents into the given output directory.
This was based on ExtractZip from build/scripts/common/chromium_utils.py.
Args:
file_path: Path of the zip file to extract.
output_dir: Path to the destination directory.
verbose: Whether to print out what is being extracted.
Raises:
IOError: The unzip command had a non-zero exit code.
RuntimeError: Failed to create the output directory.
"""
_MakeDirectory(output_dir)
# On Linux and Mac, we use the unzip command because it handles links and
# file permissions bits, so achieving this behavior is easier than with
# ZipInfo options.
#
# The Mac Version of unzip unfortunately does not support Zip64, whereas
# the python module does, so we have to fall back to the python zip module
# on Mac if the file size is greater than 4GB.
mac_zip_size_limit = 2**32 # 4GB
if (bisect_utils.IsLinuxHost()
or (bisect_utils.IsMacHost()
and os.path.getsize(file_path) < mac_zip_size_limit)):
unzip_command = ['unzip', '-o']
_UnzipUsingCommand(unzip_command, file_path, output_dir)
return
# On Windows, try to use 7z if it is installed, otherwise fall back to the
# Python zipfile module. If 7z is not installed, then this may fail if the
# zip file is larger than 512MB.
sevenzip_path = r'C:\Program Files\7-Zip\7z.exe'
if bisect_utils.IsWindowsHost() and os.path.exists(sevenzip_path):
unzip_command = [sevenzip_path, 'x', '-y']
_UnzipUsingCommand(unzip_command, file_path, output_dir)
return
_UnzipUsingZipFile(file_path, output_dir, verbose)
def GetBuildOutputDirectory(opts, src_dir=None):
"""Returns the path to the build directory, relative to the checkout root.
Assumes that the current working directory is the checkout root.
Args:
opts: Command-line options.
src_dir: Path to chromium/src directory.
Returns:
A path to the directory to use as build output directory.
Raises:
NotImplementedError: The platform according to sys.platform is unexpected.
"""
src_dir = src_dir or 'src'
if opts.build_preference == 'ninja' or bisect_utils.IsLinuxHost():
return os.path.join(src_dir, 'out')
if bisect_utils.IsMacHost():
return os.path.join(src_dir, 'xcodebuild')
if bisect_utils.IsWindowsHost():
return os.path.join(src_dir, 'build')
raise NotImplementedError('Unexpected platform %s' % sys.platform)
