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/proc/self/root/opt/alt/python38/lib/python3.8/site-packages/pip/_vendor/requests/_internal_utils.py

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"""
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 = {
    bytes: (_VALID_HEADER_NAME_RE_BYTE, _VALID_HEADER_VALUE_RE_BYTE),
    str: (_VALID_HEADER_NAME_RE_STR, _VALID_HEADER_VALUE_RE_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

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__pycache__ DIR	-	drwxr-xr-x	2024-03-03 22:49:50	Edit Download recursive recursive
adapters.py	20.94 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
api.py	6.23 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
auth.py	9.95 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
certs.py	441 B	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
compat.py	1.26 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
cookies.py	18.13 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
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structures.py	2.84 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
utils.py	32.46 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
_internal_utils.py	1.36 KB	lrw-r--r--	2023-11-13 21:40:26	Edit Download recursive recursive
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