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59 lines
1.9 KiB
59 lines
1.9 KiB
# Copyright 2015 gRPC authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Buildgen transitive dependencies
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This takes the list of libs, node_modules, and targets from our
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yaml dictionary, and adds to each the transitive closure
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of the list of dependencies.
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"""
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def get_lib(libs, name):
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try:
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return next(lib for lib in libs if lib['name'] == name)
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except StopIteration:
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return None
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def transitive_deps(lib, libs):
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if lib is not None and 'deps' in lib:
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# Recursively call transitive_deps on each dependency, and take the union
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return set.union(
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set(lib['deps']), *[
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set(transitive_deps(get_lib(libs, dep), libs))
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for dep in lib['deps']
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])
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else:
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return set()
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def mako_plugin(dictionary):
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"""The exported plugin code for transitive_dependencies.
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Iterate over each list and check each item for a deps list. We add a
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transitive_deps property to each with the transitive closure of those
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dependency lists.
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"""
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libs = dictionary.get('libs')
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for target_name, target_list in dictionary.items():
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for target in target_list:
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if isinstance(target, dict) and 'deps' in target:
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target['transitive_deps'] = transitive_deps(target, libs)
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python_dependencies = dictionary.get('python_dependencies')
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python_dependencies['transitive_deps'] = (transitive_deps(
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python_dependencies, libs))
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