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Side by Side Diff: build/print_python_deps.py

Issue 1784373002: Include isolate.py in data for Android unit tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: review comments Created 4 years, 9 months ago
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1 #!/usr/bin/env python
2 # Copyright 2016 The Chromium Authors. All rights reserved.
3 # Use of this source code is governed by a BSD-style license that can be
4 # found in the LICENSE file.
5
6 """Prints all non-system dependencies for the given module.
7
8 The primary use-case for this script is to genererate the list of python modules
9 required for .isolate files.
10 """
11
12 import argparse
13 import imp
14 import os
15 import pipes
16 import sys
17
18 # Don't use any helper modules, or else they will end up in the results.
19
20
21 _SRC_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))
22
23
24 def ComputePythonDependencies(root):
25 """Gets the paths of imported non-system python modules.
26
27 A path is assumed to be a "system" import if it is outside of chromium's
28 src/. The paths will be relative to the current directory.
29 """
30 module_paths = (m.__file__ for m in sys.modules.values()
31 if m and hasattr(m, '__file__'))
32
33 src_paths = set()
34 for path in module_paths:
35 if path == __file__:
36 continue
37 path = os.path.abspath(path)
38 if not path.startswith(_SRC_ROOT):
39 continue
40
41 if path.endswith('.pyc'):
42 path = path[:-1]
43 src_paths.add(os.path.relpath(path, root))
44
45 return sorted(src_paths)
46
47
48 def main():
49 parser = argparse.ArgumentParser(
50 description='Prints all non-system dependencies for the given module.')
51 parser.add_argument('module',
52 help='The python module to analyze.')
53 parser.add_argument('--root', default='.',
54 help='Directory to make paths relative to.')
55 parser.add_argument('--output',
56 help='Write output to a file rather than stdout.')
57 options = parser.parse_args()
58 sys.path.append(os.path.dirname(options.module))
59 imp.load_source('NAME', options.module)
60 out = open(options.output, 'w') if options.output else sys.stdout
61 with out:
62 out.write('# Generated by //build/print_python_deps.py\n')
63 out.write('# root: //%s\n' % os.path.relpath(options.root, _SRC_ROOT))
64 out.write('# target: //%s\n' % os.path.relpath(options.module, _SRC_ROOT))
65 for path in ComputePythonDependencies(options.root):
66 out.write(path + '\n')
67
68
69 if __name__ == '__main__':
70 sys.exit(main())
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