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Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2025-08-05 17:02
__init__.py	4.74 KB	-rw-r--r--	2025-06-12 01:19
__version__.py	435 B	-rw-r--r--	2023-05-22 15:10
_internal_utils.py	1.46 KB	-rw-r--r--	2023-05-22 15:10
adapters.py	19.09 KB	-rw-r--r--	2023-05-22 15:10
api.py	6.3 KB	-rw-r--r--	2023-05-22 15:10
auth.py	9.95 KB	-rw-r--r--	2023-05-22 15:10
certs.py	429 B	-rw-r--r--	2023-05-22 15:10
compat.py	1.35 KB	-rw-r--r--	2025-06-12 01:19
cookies.py	18.13 KB	-rw-r--r--	2023-05-22 15:10
exceptions.py	3.72 KB	-rw-r--r--	2023-05-22 15:10
help.py	3.72 KB	-rw-r--r--	2025-06-12 01:19
hooks.py	733 B	-rw-r--r--	2023-05-22 15:10
models.py	34.4 KB	-rw-r--r--	2023-05-22 15:10
packages.py	777 B	-rw-r--r--	2025-06-12 01:19
sessions.py	29.66 KB	-rw-r--r--	2023-05-22 15:10
status_codes.py	4.14 KB	-rw-r--r--	2023-05-22 15:10
structures.py	2.84 KB	-rw-r--r--	2023-05-22 15:10
utils.py	32.4 KB	-rw-r--r--	2025-06-12 01:19

Rename

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

_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