(src: bytes, filename: str = '<unknown>')
return 0
Returns nonzero if the source has what looks like a docstring that is
    not at the beginning of the source.

    A string will be considered a docstring if it is a STRING token with a
    col offset of 0.
Returns nonzero if the source has what looks like a docstring that is
    not at the beginning of the source.
Returns nonzero if the source has what looks like a docstring that is not at the beginning of the source .
def check_docstring_first(src: bytes, filename: str = '<unknown>') -> int:
    """Returns nonzero if the source has what looks like a docstring that is
    not at the beginning of the source.

    A string will be considered a docstring if it is a STRING token with a
    col offset of 0.
    """
    found_docstring_line = None
    found_code_line = None

    tok_gen = tokenize_tokenize(io.BytesIO(src).readline)
    for tok_type, _, (sline, scol), _, _ in tok_gen:
        # Looks like a docstring!
        if tok_type == tokenize.STRING and scol == 0:
            if found_docstring_line is not None:
                print(
                    f'{filename}:{sline} Multiple module docstrings '
                    f'(first docstring on line {found_docstring_line}).',
                )
                return 1
            elif found_code_line is not None:
                print(
                    f'{filename}:{sline} Module docstring appears after code '
                    f'(code seen on line {found_code_line}).',
                )
                return 1
            else:
                found_docstring_line = sline
        elif tok_type not in NON_CODE_TOKENS and found_code_line is None:
            found_code_line = sline

    return 0
def check_docstring_first ( src : bytes , filename : str = '<unknown>' ) -> int : found_docstring_line = None found_code_line = None tok_gen = tokenize_tokenize ( io . BytesIO ( src ) . readline ) for tok_type , _ , ( sline , scol ) , _ , _ in tok_gen : # Looks like a docstring! if tok_type == tokenize . STRING and scol == 0 : if found_docstring_line is not None : print ( f'{filename}:{sline} Multiple module docstrings ' f'(first docstring on line {found_docstring_line}).' , ) return 1 elif found_code_line is not None : print ( f'{filename}:{sline} Module docstring appears after code ' f'(code seen on line {found_code_line}).' , ) return 1 else : found_docstring_line = sline elif tok_type not in NON_CODE_TOKENS and found_code_line is None : found_code_line = sline return 0