SWAMPy

✎ CARVE FLESH

EDITING: _internal_utils.py

"""
requests._internal_utils
~~~~~~~~~~~~~~

Provides utility functions that are consumed internally by Requests
which depend on extremely few external helpers (such as compat)
"""

import re

from .compat import builtin_str

_VALID_HEADER_NAME_RE_BYTE = re.compile(rb"^[^:\s][^:\r\n]*\Z")
_VALID_HEADER_NAME_RE_STR = re.compile(r"^[^:\s][^:\r\n]*\Z")
_VALID_HEADER_VALUE_RE_BYTE = re.compile(rb"^\S[^\r\n]*\Z|^\Z")
_VALID_HEADER_VALUE_RE_STR = re.compile(r"^\S[^\r\n]*\Z|^\Z")

_HEADER_VALIDATORS_STR = (_VALID_HEADER_NAME_RE_STR, _VALID_HEADER_VALUE_RE_STR)
_HEADER_VALIDATORS_BYTE = (_VALID_HEADER_NAME_RE_BYTE, _VALID_HEADER_VALUE_RE_BYTE)
HEADER_VALIDATORS = {
    bytes: _HEADER_VALIDATORS_BYTE,
    str: _HEADER_VALIDATORS_STR,
}

def to_native_string(string, encoding="ascii"):
    """Given a string object, regardless of type, returns a representation of
    that string in the native string type, encoding and decoding where
    necessary. This assumes ASCII unless told otherwise.
    """
    if isinstance(string, builtin_str):
        out = string
    else:
        out = string.decode(encoding)

return out

def unicode_is_ascii(u_string):
    """Determine if unicode string only contains ASCII characters.

:param str u_string: unicode string to check. Must be unicode
        and not Python 2 `str`.
    :rtype: bool
    """
    assert isinstance(u_string, str)
    try:
        u_string.encode("ascii")
        return True
    except UnicodeEncodeError:
        return False

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 __pycache__/	DIR	—	2026-07-16 05:15
📄 __init__.py	PY	4.9 KB	2026-07-16 05:15	EDIT
📄 __version__.py	PY	435 B	2026-07-16 05:15	EDIT
📄 _internal_utils.py	PY	1.5 KB	2026-07-16 05:15	EDIT
📄 adapters.py	PY	25.7 KB	2026-07-16 05:15	EDIT
📄 api.py	PY	6.3 KB	2026-07-16 05:15	EDIT
📄 auth.py	PY	9.9 KB	2026-07-16 05:15	EDIT
📄 certs.py	PY	442 B	2026-07-16 05:15	EDIT
📄 compat.py	PY	1.8 KB	2026-07-16 05:15	EDIT
📄 cookies.py	PY	18.2 KB	2026-07-16 05:15	EDIT
📄 exceptions.py	PY	4.2 KB	2026-07-16 05:15	EDIT
📄 help.py	PY	3.7 KB	2026-07-16 05:15	EDIT
📄 hooks.py	PY	734 B	2026-07-16 05:15	EDIT
📄 LICENSE	?	9.9 KB	2026-07-16 05:15	EDIT
📄 models.py	PY	34.7 KB	2026-07-16 05:15	EDIT
📄 packages.py	PY	1 KB	2026-07-16 05:15	EDIT
📄 sessions.py	PY	29.9 KB	2026-07-16 05:15	EDIT
📄 status_codes.py	PY	4.2 KB	2026-07-16 05:15	EDIT
📄 structures.py	PY	2.8 KB	2026-07-16 05:15	EDIT
📄 utils.py	PY	32.2 KB	2026-07-16 05:15	EDIT