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Unified 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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Index: build/print_python_deps.py
diff --git a/build/print_python_deps.py b/build/print_python_deps.py
new file mode 100755
index 0000000000000000000000000000000000000000..da83684dd21336043ff903d517e75c47beaee90f
--- /dev/null
+++ b/build/print_python_deps.py
@@ -0,0 +1,70 @@
+#!/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(root):
+ """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'):
+ path = path[:-1]
+ src_paths.add(os.path.relpath(path, root))
+
+ return sorted(src_paths)
+
+
+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.')
+ options = parser.parse_args()
+ sys.path.append(os.path.dirname(options.module))
+ imp.load_source('NAME', options.module)
+ out = open(options.output, 'w') if options.output else sys.stdout
+ with out:
+ out.write('# Generated by //build/print_python_deps.py\n')
+ out.write('# root: //%s\n' % os.path.relpath(options.root, _SRC_ROOT))
+ out.write('# target: //%s\n' % os.path.relpath(options.module, _SRC_ROOT))
+ for path in ComputePythonDependencies(options.root):
+ out.write(path + '\n')
+
+
+if __name__ == '__main__':
+ sys.exit(main())
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