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Unified Diff: build_gyp/find_depot_tools.py

Issue 1897523002: Use visual studio toolchain from depot_tools for PDFium compilation (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: rebase Created 4 years, 8 months ago
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Index: build_gyp/find_depot_tools.py
diff --git a/build_gyp/find_depot_tools.py b/build_gyp/find_depot_tools.py
new file mode 100644
index 0000000000000000000000000000000000000000..6ec83b3d5c382d9b907f13b2116f8c0a648086ec
--- /dev/null
+++ b/build_gyp/find_depot_tools.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# Copyright 2016 PDFium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+"""Small utility function to find depot_tools and add it to the python path.
+
+Will throw an ImportError exception if depot_tools can't be found since it
+imports breakpad.
+
+This can also be used as a standalone script to print out the depot_tools
+directory location.
+"""
+
+import os
+import sys
+
+
+def IsRealDepotTools(path):
+ return os.path.isfile(os.path.join(path, 'gclient.py'))
+
+
+def add_depot_tools_to_path():
+ """Search for depot_tools and add it to sys.path."""
+ # First look if depot_tools is already in PYTHONPATH.
+ for i in sys.path:
+ if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i):
+ return i
+ # Then look if depot_tools is in PATH, common case.
+ for i in os.environ['PATH'].split(os.pathsep):
+ if IsRealDepotTools(i):
+ sys.path.append(i.rstrip(os.sep))
+ return i
+ # Rare case, it's not even in PATH, look upward up to root.
+ root_dir = os.path.dirname(os.path.abspath(__file__))
+ previous_dir = os.path.abspath(__file__)
+ while root_dir and root_dir != previous_dir:
+ i = os.path.join(root_dir, 'depot_tools')
+ if IsRealDepotTools(i):
+ sys.path.append(i)
+ return i
+ previous_dir = root_dir
+ root_dir = os.path.dirname(root_dir)
+ print >> sys.stderr, 'Failed to find depot_tools'
+ return None
+
+DEPOT_TOOLS_PATH = add_depot_tools_to_path()
+
+# pylint: disable=W0611
+import breakpad
+
+
+def main():
+ if DEPOT_TOOLS_PATH is None:
+ return 1
+ print DEPOT_TOOLS_PATH
+ return 0
+
+
+if __name__ == '__main__':
+ sys.exit(main())
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