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# Copyright 2015 gRPC authors.
#
# 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.
"""Buildgen .proto files list plugin.
This parses the list of targets from the yaml build file, and creates
a list called "protos" that contains all of the proto file names.
"""
import re
def mako_plugin(dictionary):
"""The exported plugin code for list_protos.
Some projects generators may want to get the full list of unique .proto files
that are being included in a project. This code extracts all files referenced
in any library or target that ends in .proto, and builds and exports that as
a list called "protos".
"""
libs = dictionary.get('libs', [])
targets = dictionary.get('targets', [])
proto_re = re.compile('(.*)\\.proto')
protos = set()
for lib in libs:
for src in lib.get('src', []):
m = proto_re.match(src)
if m:
protos.add(m.group(1))
for tgt in targets:
for src in tgt.get('src', []):
m = proto_re.match(src)
if m:
protos.add(m.group(1))
protos = sorted(protos)
dictionary['protos'] = protos
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