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reflector/server/reflector/utils/string.py
2025-09-11 17:52:34 -04:00

24 lines
693 B
Python

from typing import Annotated
from pydantic import Field, TypeAdapter, constr
NonEmptyStringBase = constr(min_length=1, strip_whitespace=False)
NonEmptyString = Annotated[
NonEmptyStringBase,
Field(description="A non-empty string", min_length=1),
]
non_empty_string_adapter = TypeAdapter(NonEmptyString)
def parse_non_empty_string(s: str, error: str | None = None) -> NonEmptyString:
try:
return non_empty_string_adapter.validate_python(s)
except Exception as e:
raise ValueError(f"{e}: {error}" if error else e) from e
def try_parse_non_empty_string(s: str) -> NonEmptyString | None:
if not s:
return None
return parse_non_empty_string(s)