mirror of
https://github.com/firebase/nanopb
synced 2026-11-11 22:45:58 +05:45
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import subprocess
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import os.path
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def has_grpcio_protoc():
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# type: () -> bool
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""" checks if grpcio-tools protoc is installed"""
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try:
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import grpc_tools.protoc
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except ImportError:
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return False
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return True
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def invoke_protoc(argv):
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# type: (list) -> typing.Any
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"""
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Invoke protoc.
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This routine will use grpcio-provided protoc if it exists,
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using system-installed protoc as a fallback.
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Args:
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argv: protoc CLI invocation, first item must be 'protoc'
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"""
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# Add current directory to include path if nothing else is specified
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if not [x for x in argv if x.startswith('-I')]:
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argv.append("-I.")
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# Add default protoc include paths
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nanopb_include = os.path.dirname(os.path.abspath(__file__))
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argv.append('-I' + nanopb_include)
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if has_grpcio_protoc():
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import grpc_tools.protoc as protoc
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import pkg_resources
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proto_include = pkg_resources.resource_filename('grpc_tools', '_proto')
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argv.append('-I' + proto_include)
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return protoc.main(argv)
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else:
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return subprocess.call(argv)
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