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"""
.. 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))
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