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# Copyright 2015, Google Inc.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Buildgen .proto files list plugin.
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This parses the list of targets from the json build file, and creates
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a list called "protos" that contains all of the proto file names.
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"""
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import re
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def mako_plugin(dictionary):
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"""The exported plugin code for list_protos.
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Some projects generators may want to get the full list of unique .proto files
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that are being included in a project. This code extracts all files referenced
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in any library or target that ends in .proto, and builds and exports that as
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a list called "protos".
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"""
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libs = dictionary.get('libs', [])
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targets = dictionary.get('targets', [])
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proto_re = re.compile('(.*)\\.proto')
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protos = set()
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for lib in libs:
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for src in lib.get('src', []):
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m = proto_re.match(src)
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if m:
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protos.add(m.group(1))
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for tgt in targets:
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for src in tgt.get('src', []):
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m = proto_re.match(src)
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if m:
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protos.add(m.group(1))
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protos = sorted(protos)
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dictionary['protos'] = protos
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