| """ | |
| .. codeauthor:: Tsuyoshi Hombashi <[email protected]> | |
| """ | |
| import re | |
| from ._common import to_str, validate_pathtype | |
| from .error import InvalidCharError | |
| __RE_INVALID_LTSV_LABEL = re.compile("[^0-9A-Za-z_.-]", re.UNICODE) | |
| def validate_ltsv_label(label: str) -> None: | |
| """ | |
| Verifying whether ``label`` is a valid | |
| `Labeled Tab-separated Values (LTSV) <http://ltsv.org/>`__ label or not. | |
| :param label: Label to validate. | |
| :raises pathvalidate.ValidationError: | |
| If invalid character(s) found in the ``label`` for a LTSV format label. | |
| """ | |
| validate_pathtype(label, allow_whitespaces=False) | |
| match_list = __RE_INVALID_LTSV_LABEL.findall(to_str(label)) | |
| if match_list: | |
| raise InvalidCharError(f"invalid character found for a LTSV format label: {match_list}") | |
| def sanitize_ltsv_label(label: str, replacement_text: str = "") -> str: | |
| """ | |
| Replace all of the symbols in text. | |
| :param label: Input text. | |
| :param replacement_text: Replacement text. | |
| :return: A replacement string. | |
| :rtype: str | |
| """ | |
| validate_pathtype(label, allow_whitespaces=False) | |
| return __RE_INVALID_LTSV_LABEL.sub(replacement_text, to_str(label)) | |