| Server IP : 104.21.30.238 / Your IP : 216.73.216.87 Web Server : LiteSpeed System : Linux premium151.web-hosting.com 4.18.0-553.44.1.lve.el8.x86_64 #1 SMP Thu Mar 13 14:29:12 UTC 2025 x86_64 User : tempvsty ( 647) PHP Version : 8.0.30 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF Directory : /proc/thread-self/root/././opt/hc_python/lib/python3.12/site-packages/requests/ |
Upload File : |
"""
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