108 строки
3.6 KiB
Python
Executable File
108 строки
3.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# 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.
|
|
|
|
"""Prints all non-system dependencies for the given module.
|
|
|
|
The primary use-case for this script is to genererate the list of python modules
|
|
required for .isolate files.
|
|
"""
|
|
|
|
import argparse
|
|
import imp
|
|
import os
|
|
import pipes
|
|
import sys
|
|
|
|
# Don't use any helper modules, or else they will end up in the results.
|
|
|
|
|
|
_SRC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
|
|
|
|
|
|
def _ComputePythonDependencies():
|
|
"""Gets the paths of imported non-system python modules.
|
|
|
|
A path is assumed to be a "system" import if it is outside of chromium's
|
|
src/. The paths will be relative to the current directory.
|
|
"""
|
|
module_paths = (m.__file__ for m in sys.modules.values()
|
|
if m and hasattr(m, '__file__'))
|
|
|
|
src_paths = set()
|
|
for path in module_paths:
|
|
if path == __file__:
|
|
continue
|
|
path = os.path.abspath(path)
|
|
if not path.startswith(_SRC_ROOT):
|
|
continue
|
|
|
|
if (path.endswith('.pyc')
|
|
or (path.endswith('c') and not os.path.splitext(path)[1])):
|
|
path = path[:-1]
|
|
src_paths.add(path)
|
|
|
|
return src_paths
|
|
|
|
|
|
def _NormalizeCommandLine(options):
|
|
"""Returns a string that when run from SRC_ROOT replicates the command."""
|
|
args = ['build/print_python_deps.py']
|
|
root = os.path.relpath(options.root, _SRC_ROOT)
|
|
if root != '.':
|
|
args.extend(('--root', root))
|
|
if options.output:
|
|
args.extend(('--output', os.path.relpath(options.output, _SRC_ROOT)))
|
|
for whitelist in sorted(options.whitelists):
|
|
args.extend(('--whitelist', os.path.relpath(whitelist, _SRC_ROOT)))
|
|
args.append(os.path.relpath(options.module, _SRC_ROOT))
|
|
return ' '.join(pipes.quote(x) for x in args)
|
|
|
|
|
|
def _FindPythonInDirectory(directory):
|
|
"""Returns an iterable of all non-test python files in the given directory."""
|
|
files = []
|
|
for root, _dirnames, filenames in os.walk(directory):
|
|
for filename in filenames:
|
|
if filename.endswith('.py') and not filename.endswith('_test.py'):
|
|
yield os.path.join(root, filename)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description='Prints all non-system dependencies for the given module.')
|
|
parser.add_argument('module',
|
|
help='The python module to analyze.')
|
|
parser.add_argument('--root', default='.',
|
|
help='Directory to make paths relative to.')
|
|
parser.add_argument('--output',
|
|
help='Write output to a file rather than stdout.')
|
|
parser.add_argument('--whitelist', default=[], action='append',
|
|
dest='whitelists',
|
|
help='Recursively include all non-test python files '
|
|
'within this directory. May be specified multiple times.')
|
|
options = parser.parse_args()
|
|
# Replace the path entry for print_python_deps.py with the one for the given
|
|
# module.
|
|
sys.path[0] = os.path.dirname(options.module)
|
|
imp.load_source('NAME', options.module)
|
|
|
|
paths_set = _ComputePythonDependencies()
|
|
for path in options.whitelists:
|
|
paths_set.update(os.path.abspath(p) for p in _FindPythonInDirectory(path))
|
|
|
|
paths = [os.path.relpath(p, options.root) for p in paths_set]
|
|
|
|
normalized_cmdline = _NormalizeCommandLine(options)
|
|
out = open(options.output, 'w') if options.output else sys.stdout
|
|
with out:
|
|
out.write('# Generated by running:\n')
|
|
out.write('# %s\n' % normalized_cmdline)
|
|
for path in sorted(paths):
|
|
out.write(path + '\n')
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|