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2 changed files with 69 additions and 52 deletions
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# Copyright 2020 The 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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|
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import sys |
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|
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def _uninstalled_protos(*args, **kwargs): |
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raise NotImplementedError( |
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"Install the grpcio-tools package to use the protos function.") |
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|
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def _uninstalled_services(*args, **kwargs): |
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raise NotImplementedError( |
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"Install the grpcio-tools package to use the services function.") |
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|
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def _uninstalled_protos_and_services(*args, **kwargs): |
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raise NotImplementedError( |
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"Install the grpcio-tools package to use the protos_and_services function." |
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) |
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|
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def _interpreter_version_protos(*args, **kwargs): |
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raise NotImplementedError( |
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"The protos function is only on available on Python 3.X interpreters.") |
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|
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def _interpreter_version_services(*args, **kwargs): |
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raise NotImplementedError( |
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"The services function is only on available on Python 3.X interpreters." |
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) |
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|
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def _interpreter_version_protos_and_services(*args, **kwargs): |
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raise NotImplementedError( |
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"The protos_and_services function is only on available on Python 3.X interpreters." |
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) |
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|
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if sys.version_info[0] < 3: |
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protos = _interpreter_version_protos |
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services = _interpreter_version_services |
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protos_and_services = _interpreter_version_protos_and_services |
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else: |
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try: |
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import grpc_tools |
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except ImportError as e: |
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# NOTE: It's possible that we're encountering a transitive ImportError, so |
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# we check for that and re-raise if so. |
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if "grpc_tools" not in e.args[0]: |
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raise e |
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protos = _uninstalled_protos |
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services = _uninstalled_services |
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protos_and_services = _uninstalled_protos_and_services |
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else: |
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from grpc_tools.protoc import _protos as protos |
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from grpc_tools.protoc import _services as services |
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from grpc_tools.protoc import _protos_and_services as protos_and_services |
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