a
    fg                     @   sP   d dl mZ d dlmZmZ ddlmZ d dlmZ	 dd Z
dd	 Zd
d ZdS )    )absolute_import)!MultipartInvariantViolationDefectStartBoundaryNotFoundDefect   )HeaderParsingError)http_clientc                 C   sf   z
|   W S  ty   Y n0 z| jW S  ty8   Y n0 z| jdu W S  tyX   Y n0 tddS )zt
    Checks whether a given file-like object is closed.

    :param obj:
        The file-like object to check.
    Nz)Unable to determine whether fp is closed.)ZisclosedAttributeErrorclosedfp
ValueError)obj r   7/usr/lib/python3/dist-packages/urllib3/util/response.pyis_fp_closed	   s    
r   c                 C   s   t | tjstdt| t| dd}t| dd}d}|r^|  s^| }t |tt	fr^|}|rpdd |D }|sx|rt
||ddS )a>  
    Asserts whether all headers have been successfully parsed.
    Extracts encountered errors from the result of parsing headers.

    Only works on Python 3.

    :param http.client.HTTPMessage headers: Headers to verify.

    :raises urllib3.exceptions.HeaderParsingError:
        If parsing errors are found.
    z"expected httplib.Message, got {0}.defectsNget_payloadc                 S   s   g | ]}t |ttfs|qS r   )
isinstancer   r   ).0Zdefectr   r   r   
<listcomp>R   s
   z)assert_header_parsing.<locals>.<listcomp>)r   unparsed_data)r   httplibZHTTPMessage	TypeErrorformattypegetattrZis_multipartbytesstrr   )Zheadersr   r   r   Zpayloadr   r   r   assert_header_parsing(   s     r   c                 C   s$   | j }t|tr|dkS | dkS )z
    Checks whether the request of a response has been a HEAD-request.
    Handles the quirks of AppEngine.

    :param http.client.HTTPResponse response:
        Response to check if the originating request
        used 'HEAD' as a method.
       ZHEAD)_methodr   intupper)Zresponsemethodr   r   r   is_response_to_head^   s    

r#   N)Z
__future__r   Zemail.errorsr   r   
exceptionsr   Z	six.movesr   r   r   r   r#   r   r   r   r   <module>   s   6