Convert generate_doxygen.sh to generate_doxygen.py

This makes it easier to generate Doxygen documentation on Windows.

Change-Id: I14c203d2618d8321d5a94d836de434bbaa21c3c9
Reviewed-on: https://chromium-review.googlesource.com/461403
Reviewed-by: Scott Graham <scottmg@chromium.org>

doc/support/generate.sh

@@ -28,7 +28,7 @@ cd "$(dirname "${0}")/../.."
 
 source doc/support/compat.sh
 
-doc/support/generate_doxygen.sh
+python doc/support/generate_doxygen.py
 
 output_dir=doc/generated
 maybe_mkdir "${output_dir}"

doc/support/generate_doxygen.py

@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+# Copyright 2017 The Crashpad Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Generating Doxygen documentation requires Doxygen, http://www.doxygen.org/.
+
+import os
+import shutil
+import subprocess
+import sys
+
+
+def main(args):
+  script_dir = os.path.dirname(__file__)
+  crashpad_dir = os.path.join(script_dir, os.pardir, os.pardir)
+
+  # Run from the Crashpad project root directory.
+  os.chdir(crashpad_dir)
+
+  output_dir = os.path.join('out', 'doc', 'doxygen')
+
+  if os.path.isdir(output_dir) and not os.path.islink(output_dir):
+    shutil.rmtree(output_dir)
+  elif os.path.exists(output_dir):
+    os.unlink(output_dir)
+
+  os.makedirs(output_dir, 0755)
+
+  doxy_file = os.path.join('doc', 'support', 'crashpad.doxy')
+  subprocess.check_call(['doxygen', doxy_file])
+
+  return 0
+
+
+if __name__ == '__main__':
+  sys.exit(main(sys.argv[1:]))

doc/support/generate_doxygen.sh

@@ -1,29 +0,0 @@
-#!/bin/sh
-
-# Copyright 2015 The Crashpad Authors. All rights reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-set -e
-
-# Generating Doxygen documentation requires Doxygen, http://www.doxygen.org/.
-
-# Run from the Crashpad project root directory.
-cd "$(dirname "${0}")/../.."
-
-output_dir=out/doc/doxygen
-
-rm -rf "${output_dir}"
-mkdir -p "${output_dir}"
-
-doxygen doc/support/crashpad.doxy