B

���g��@srdZd
dl
Z
ddlmZ
e
�d�
Ze
�d�
Ze
�d�
Ze
�d�
ZeefZ	eefZ
ee
ee	iZ
dd
d�
Zdd
�ZdS)z�
requests._internal_utils
~~~~~~~~~~~~~~

Provides utility functions that are consumed internally by Requests
which depend on extremely few external helpers (such as compat)
�N�
)
�builtin_strs^[^:\s][^:\r\n]*$z^[^:\s][^:\r\n]*$s^\S[^\r\n]*$|^$z^\S[^\r\n]*$|^$�asciicCst|t
�r|}n
|�|
�
}|S)
z�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.
    )�
isinstancer�decode)�string�encoding�out�r
�B/usr/local/lib/python3.7/site-packages/requests/_internal_utils.py�to_native_strings


rc

Cs6t|t
�st�
y|�d
�

dStk
r0


dSXdS)z�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
    rTFN)r�str�AssertionError�encode�UnicodeEncodeError)
�u_stringr
r
r�unicode_is_ascii&s





r)
r)�__doc__�re�compatr�compile�_VALID_HEADER_NAME_RE_BYTE�_VALID_HEADER_NAME_RE_STR�_VALID_HEADER_VALUE_RE_BYTE�_VALID_HEADER_VALUE_RE_STR�_HEADER_VALIDATORS_STR�_HEADER_VALIDATORS_BYTE�bytesr
�HEADER_VALIDATORSrrr
r
r
r�<module>s