readstr 0.4.0

Read Strings

readstr

Provides readstr, a function that can read a lot of different types from strings:

from readstr import readstr
import typing
import uuid

readstr('1,2,3', typing.Set[int])
readstr('foo=3,bar=10', typing.Dict[str, int])
readstr('vUfDOuQwRVavn3_QjMxp7Q', uuid.UUID)

Useful for reading arguments from command line arg, from environment variables, etc.

Extensible

from dataclasses import dataclass
from typing import List
from readstr import readstr, reads

@dataclass
class Path:
    path: str

@reads
def read_path(str_value: str) -> Path:
    return Path(str_value)

readstr('file://a,file://b', List[Path])