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()) |