component.yaml

name: Merge csv
inputs:
- {name: file, type: Tarball}
outputs:
- {name: output_csv, type: CSV}
implementation:
  container:
    image: python:3.7
    command:
    - sh
    - -c
    - (PIP_DISABLE_PIP_VERSION_CHECK=1 python3 -m pip install --quiet --no-warn-script-location
      'pandas==1.1.4' || PIP_DISABLE_PIP_VERSION_CHECK=1 python3 -m pip install --quiet
      --no-warn-script-location 'pandas==1.1.4' --user) && "$0" "$@"
    - sh
    - -ec
    - |
      program_path=$(mktemp)
      printf "%s" "$0" > "$program_path"
      python3 -u "$program_path" "$@"
    - "def _make_parent_dirs_and_return_path(file_path: str):\n    import os\n   \
      \ os.makedirs(os.path.dirname(file_path), exist_ok=True)\n    return file_path\n\
      \ndef merge_csv(file_path,\n              output_csv):\n  import glob\n  import\
      \ pandas as pd\n  import tarfile\n\n  tarfile.open(name=file_path, mode=\"r|gz\"\
      ).extractall('data')\n  df = pd.concat(\n      [pd.read_csv(csv_file, header=None)\
      \ \n       for csv_file in glob.glob('data/*.csv')])\n  df.to_csv(output_csv,\
      \ index=False, header=False)\n\nimport argparse\n_parser = argparse.ArgumentParser(prog='Merge\
      \ csv', description='')\n_parser.add_argument(\"--file\", dest=\"file_path\"\
      , type=str, required=True, default=argparse.SUPPRESS)\n_parser.add_argument(\"\
      --output-csv\", dest=\"output_csv\", type=_make_parent_dirs_and_return_path,\
      \ required=True, default=argparse.SUPPRESS)\n_parsed_args = vars(_parser.parse_args())\n\
      \n_outputs = merge_csv(**_parsed_args)\n"
    args:
    - --file
    - {inputPath: file}
    - --output-csv
    - {outputPath: output_csv}