Generate Python Protobuf

#!/usr/bin/env bash
set -eo pipefail

# Define variables
OUT=./generated
PROTO=proto
THIRD_PARTY=third_party

# Generate the third party Protobuf implementations
PROTOC="protoc --python_out=$OUT -I$THIRD_PARTY/proto"
proto_dirs=$(find "$THIRD_PARTY/proto" -path -prune -o -name '*.proto' -print0 | xargs -0 -n1 dirname | sort | uniq)
for dir in $proto_dirs; do
  $PROTOC -I$THIRD_PARTY/proto $(find "${dir}" -maxdepth 1 -name '*.proto')
done

# Generate the Cosmos Protobuf implementation
proto_dirs=$(find "$PROTO" -path -prune -o -name '*.proto' -print0 | xargs -0 -n1 dirname | sort | uniq)
for dir in $proto_dirs; do
  $PROTOC -I$PROTO \
  --gocosmos_out=plugins=interfacetype+grpc,\
Mgoogle/protobuf/any.proto=github.com/cosmos/cosmos-sdk/codec/types:. \
  $(find "${dir}" -maxdepth 1 -name '*.proto')
done

# Remove all .pbserver.dart files as they are unnecessary
find "$OUT" -name "*.pbserver.dart" -type f -delete

# Clean directories
rm -r "github.com"