Initial checkin of gRPC to third_party/

third_party/grpc/tools/buildgen/plugins/expand_filegroups.py

-# Copyright 2010, Google Inc.
+# Copyright 2015, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
 # in the documentation and/or other materials provided with the
 # distribution.
 #     * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+"""Buildgen expand filegroups plugin.
 
-from mod_pywebsocket import msgutil
+This takes the list of libs from our yaml dictionary,
+and expands any and all filegroup.
+
+"""
 
 
-_GOODBYE_MESSAGE = 'Goodbye'
+def excluded(filename, exclude_res):
+  for r in exclude_res:
+    if r.search(filename):
+      return True
+  return False
 
 
-def web_socket_do_extra_handshake(request):
-    pass  # Always accept.
+def mako_plugin(dictionary):
+  """The exported plugin code for expand_filegroups.
 
+  The list of libs in the build.yaml file can contain "filegroups" tags.
+  These refer to the filegroups in the root object. We will expand and
+  merge filegroups on the src, headers and public_headers properties.
 
-def web_socket_transfer_data(request):
-    while True:
-        line = msgutil.receive_message(request)
-        msgutil.send_message(request, line)
-        if line == _GOODBYE_MESSAGE:
-            return
+  """
+  libs = dictionary.get('libs')
+  filegroups_list = dictionary.get('filegroups')
+  filegroups = {}
+
+  for fg in filegroups_list:
+    filegroups[fg['name']] = fg
+
+  for lib in libs:
+    for fg_name in lib.get('filegroups', []):
+      fg = filegroups[fg_name]
+
+      src = lib.get('src', [])
+      src.extend(fg.get('src', []))
+      lib['src'] = src
+
+      headers = lib.get('headers', [])
+      headers.extend(fg.get('headers', []))
+      lib['headers'] = headers
+
+      public_headers = lib.get('public_headers', [])
+      public_headers.extend(fg.get('public_headers', []))
+      lib['public_headers'] = public_headers