Merge "Improve errors when compiling python code" into main

# See the License for the specific language governing permissions and

# limitations under the License.

from __future__ import print_function

import argparse

import py_compile

import os

    parser.add_argument('dst_zip')

    args = parser.parse_args()

    errors = []

    with open(args.dst_zip, 'wb') as outf, open(args.src_zip, 'rb') as inf:

        with zipfile.ZipFile(outf, mode='w') as outzip, zipfile.ZipFile(inf, mode='r') as inzip:

            for name in inzip.namelist():

                with inzip.open(name, mode='r') as inzipf:

                    try:

                        process_one_file(name, inzipf, outzip)

                    except py_compile.PyCompileError as e:

                        errors.append(e)

    if errors:

        for i, error in enumerate(errors):

            # Print an empty line in between each error

            if i > 0:

                print(file=sys.stderr)

            print(str(error).strip(), file=sys.stderr)

        sys.exit(1)

if __name__ == "__main__":