�
Ϫ�f�U � � � d Z ddlmZ ddlmZ ddlmZ ddlmZ ddl m
Z
ddlmZ ddl
mZ dd lmZ dd
lmZ ddlmZ eeu rd� Zd
� Znd� Zd� Z G d� d� Z G d� d� Z G d� d� Z ee� G d� d� � ZdgZy)zo
An implementation of
U{Python Web Server Gateway Interface v1.0.1<http://www.python.org/dev/peps/pep-3333/>}.
� )�Sequence)�exc_info)�warn)�implementer)�blockingCallFromThread)�Logger)�Failure)�INTERNAL_SERVER_ERROR)� IResource)�NOT_DONE_YETc �H � t | t � r| S | j d� S )z�
Convert C{string} to an ISO-8859-1 byte string, if it is not already.
@type string: C{str}/C{bytes} or C{unicode}
@rtype: C{str}/C{bytes}
@raise UnicodeEncodeError: If C{string} contains non-ISO-8859-1 chars.
�
iso-8859-1)�
isinstance�str�encode��strings �2/usr/lib/python3/dist-packages/twisted/web/wsgi.py�_wsgiStringr * s" |