Copy bindings code from py-libp2p-daemon-bindings to trinity, and modify import paths

update_libp2p.sh

#!/bin/bash


# TODO: currently only support "bindings to trinity", probably need the reverse direction as well.

echo "Run this script with a new process spun up because of the usage of \`exit\`"

PATH_BINDINGS="$HOME/projects/ethereum/pyeth/py-libp2p-daemon-bindings"
PATH_TRINITY="$HOME/projects/ethereum/pyeth/trinity"
LIBP2P_BINDINGS_PACKAGE="p2pclient"
PATH_RELATIVE_TRINITY_LIBP2P_MODULE="libp2p/p2pclient"
# replace '/' with '.'
TRINITY_LIBP2P_PACKAGE=${PATH_RELATIVE_TRINITY_LIBP2P_MODULE//\//.}
PATH_TRINITY_LIBP2P="$PATH_TRINITY/$PATH_RELATIVE_TRINITY_LIBP2P_MODULE"
PATH_TRINITY_LIBP2P_TEST="$PATH_TRINITY/tests/libp2p/p2pclient"

# checking paths
if [ ! -e $PATH_BINDINGS ]; then
    echo "bindings' path "$PATH_BINDINGS" is not found"
    exit 1
fi
if [ ! -e $PATH_TRINITY ]; then
    echo "trinity's path "$PATH_TRINITY" is not found"
    exit 1
fi

# p2pclient code
# XXX: if failed here, make sure the paths are correct
cp -r $PATH_BINDINGS/p2pclient/pb $PATH_TRINITY_LIBP2P
cp $PATH_BINDINGS/p2pclient/*.py $PATH_TRINITY_LIBP2P
# p2pclient tests
cp $PATH_BINDINGS/tests/*.py $PATH_TRINITY_LIBP2P_TEST

FILES_TO_MODIFY=$(find $PATH_TRINITY_LIBP2P_TEST -name 'test_*.py' -type f)
FROM_IMPORT_REPLACE_STATEMENT="s/from $LIBP2P_BINDINGS_PACKAGE/from $TRINITY_LIBP2P_PACKAGE/g"
IMPORT_REPLACE_STATEMENT="s/import $LIBP2P_BINDINGS_PACKAGE/import $TRINITY_LIBP2P_PACKAGE/g"

if [ $(uname) = 'Darwin' ]; then
    sed -i '' "$FROM_IMPORT_REPLACE_STATEMENT" $FILES_TO_MODIFY
    sed -i '' "$IMPORT_REPLACE_STATEMENT" $FILES_TO_MODIFY
else
    # other OS or distributions other than macOS
    sed -i $FROM_IMPORT_REPLACE_STATEMENT $FILES_TO_MODIFY
    sed -i $IMPORT_REPLACE_STATEMENT $FILES_TO_MODIFY
fi