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# Copyright 2016 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.
import os
import re
from pylib import constants
_BLACKLIST = [
re.compile(r'.*OWNERS'), # Should never be included.
re.compile(r'.*\.crx'), # Chrome extension zip files.
re.compile(r'.*\.so'), # Libraries packed into .apk.
re.compile(r'.*Mojo.*manifest\.json'), # Some source_set()s pull these in.
re.compile(r'.*\.py'), # Some test_support targets include python deps.
# Some test_support targets include python deps.
re.compile(r'.*\.mojom\.js'),
# Chrome external extensions config file.
re.compile(r'.*external_extensions\.json'),
# Exists just to test the compile, not to be run.
re.compile(r'.*jni_generator_tests'),
# v8's blobs get packaged into APKs.
re.compile(r'.*natives_blob.*\.bin'),
re.compile(r'.*snapshot_blob.*\.bin'),
]
def DevicePathComponentsFor(host_path, output_directory):
"""Returns the device path components for a given host path.
This returns the device path as a list of joinable path components,
with None as the first element to indicate that the path should be
rooted at $EXTERNAL_STORAGE.
e.g., given
'$CHROMIUM_SRC/foo/bar/baz.txt'
this would return
[None, 'foo', 'bar', 'baz.txt']
This handles a couple classes of paths differently than it otherwise would:
- All .pak files get mapped to top-level paks/
- Anything in the output directory gets mapped relative to the output
directory rather than the source directory.
e.g. given
'$CHROMIUM_SRC/out/Release/icu_fake_dir/icudtl.dat'
this would return
[None, 'icu_fake_dir', 'icudtl.dat']
Args:
host_path: The absolute path to the host file.
Returns:
A list of device path components.
"""
if host_path.startswith(output_directory):
if os.path.splitext(host_path)[1] == '.pak':
return [None, 'paks', os.path.basename(host_path)]
rel_host_path = os.path.relpath(host_path, output_directory)
else:
rel_host_path = os.path.relpath(host_path, constants.DIR_SOURCE_ROOT)
device_path_components = [None]
p = rel_host_path
while p:
p, d = os.path.split(p)
if d:
device_path_components.insert(1, d)
return device_path_components
def GetDataDependencies(runtime_deps_path):
"""Returns a list of device data dependencies.
Args:
runtime_deps_path: A str path to the .runtime_deps file.
Returns:
A list of (host_path, device_path) tuples.
"""
if not runtime_deps_path:
return []
with open(runtime_deps_path, 'r') as runtime_deps_file:
rel_host_files = [l.strip() for l in runtime_deps_file if l]
output_directory = constants.GetOutDirectory()
abs_host_files = [
os.path.abspath(os.path.join(output_directory, r))
for r in rel_host_files]
filtered_abs_host_files = [
host_file for host_file in abs_host_files
if not any(blacklist_re.match(host_file) for blacklist_re in _BLACKLIST)]
return [(f, DevicePathComponentsFor(f, output_directory))
for f in filtered_abs_host_files]
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