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PATH: opt / imunify360 / venv / lib / python3.11 / site-packages / pip / _vendor / requests

"""
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

[-] exceptions.py [edit]
[+] ..
[-] auth.py [edit]
[-] structures.py [edit]
[-] hooks.py [edit]
[-] models.py [edit]
[-] __version__.py [edit]
[+] __pycache__
[-] sessions.py [edit]
[-] utils.py [edit]
[-] cookies.py [edit]
[-] compat.py [edit]
[-] packages.py [edit]
[-] certs.py [edit]
[-] __init__.py [edit]
[-] _internal_utils.py [edit]
[-] api.py [edit]
[-] adapters.py [edit]
[-] help.py [edit]
[-] status_codes.py [edit]