Function unquote

Lib/urllib/parse.py:836–856

Replace %xx escapes by their single-character equivalent. The optional encoding and errors parameters specify how to decode percent-encoded sequences into Unicode characters, as accepted by the bytes.decode() method. By default, percent-encoded sequences are decoded with UTF-8, and i

(string, encoding='utf-8', errors='replace')

    yield string[previous_match_end:]  # Non-ASCII tail

def unquote(string, encoding='utf-8', errors='replace'):
    """Replace %xx escapes by their single-character equivalent. The optional
    encoding and errors parameters specify how to decode percent-encoded
    sequences into Unicode characters, as accepted by the bytes.decode()
    method.
    By default, percent-encoded sequences are decoded with UTF-8, and invalid
    sequences are replaced by a placeholder character.

    unquote('abc%20def') -> 'abc def'.
    """
    if isinstance(string, bytes):
        return _unquote_impl(string).decode(encoding, errors)
    if '%' not in string:
        # Is it a string-like object?
        string.split
        return string
    if encoding is None:
        encoding = 'utf-8'
    if errors is None:
        errors = 'replace'
    return ''.join(_generate_unquoted_parts(string, encoding, errors))


def parse_qs(qs, keep_blank_values=False, strict_parsing=False,