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trezor-firmware/tools/build_protobuf

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#!/bin/bash
CURDIR=$(pwd)
mkdir -p $CURDIR/pb2/
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touch $CURDIR/pb2/__init__.py
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mkdir -p ../src/trezor/messages
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INDEX=../src/trezor/messages/wire_types.py
rm -f $INDEX
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echo '# Automatically generated by pb2py' >> $INDEX
echo 'from micropython import const' >> $INDEX
echo '' >> $INDEX
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for i in types messages storage ; do
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# Compile .proto files to python2 modules using google protobuf library
cd $CURDIR/../../trezor-common/protob
protoc --python_out=$CURDIR/pb2/ -I/usr/include -I. $i.proto
done
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# hack to make output python 3 compatible
sed -i 's/^import types_pb2/from . import types_pb2/g' $CURDIR/pb2/messages_pb2.py
sed -i 's/^import types_pb2/from . import types_pb2/g' $CURDIR/pb2/storage_pb2.py
for i in types messages storage ; do
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# Convert google protobuf library to trezor's internal format
cd $CURDIR
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./pb2py -m -p $CURDIR -i $INDEX $i ../src/trezor/messages/
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done
rm -rf $CURDIR/pb2/