Create the directory automatically if it doesn't exist #70

[HyoungSooo]

Create PR for #70

This PR is add decorator and test code for create new folder if it dose not exist.

def create_folder_if_not_exists(func) -> None:

    def wrapper(*args, **kwargs) -> None:
        try:
            filepath = args[0]
        except:
            filepath = kwargs["filepath"]
        folder = os.path.dirname(filepath)
        if not os.path.exists(folder) and folder != "":
            os.makedirs(folder)
        return func(*args, **kwargs)

    return wrapper

The reason why the try except statement is used is because other methods that call the write_csv function sometimes pass the filepath into args and sometimes kwarg.

usage

@create_folder_if_not_exists
def write_csv(filepath: Path, records: List[dict], schema: dict, **kwargs: Any) -> int:
    """Write a CSV file."""
    if "properties" not in schema:
        raise ValueError("Stream's schema has no properties defined.")

    keys: List[str] = list(schema["properties"].keys())
    with open(filepath, "w", encoding="utf-8", newline="") as fp:
        writer = csv.DictWriter(fp, fieldnames=keys, dialect="excel", **kwargs)
        writer.writeheader()
        for record_count, record in enumerate(records, start=1):
            writer.writerow(record)

    return record_count

If there is a better way please let me know

[sonarcloud]

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