a
    Aù’i\  ã                   @  sÐ   d dl mZ d dlZd dlZddlmZ ddlmZmZ e	e
eeejeef f  ZejrfddlmZ dd	d
œdd„Zeddfddddddœdd„Zddddœdd„Zddœdd„Zdd	dœdd „Zed!ƒZdS )"é    )ÚannotationsNé   )ÚLocationParseErroré   )Ú_DEFAULT_TIMEOUTÚ_TYPE_TIMEOUT)ÚBaseHTTPConnectionr   Úbool)ÚconnÚreturnc                 C  s   | j  S )z�
    Returns True if the connection is dropped and should be closed.
    :param conn: :class:`urllib3.connection.HTTPConnection` object.
    )Zis_connected)r
   © r   úT/home/httpd/docs/test/DocsMgr/lib/python3.9/site-packages/urllib3/util/connection.pyÚis_connection_dropped   s    r   ztuple[str, int]r   ztuple[str, int] | Nonez_TYPE_SOCKET_OPTIONS | Nonezsocket.socket)ÚaddressÚtimeoutÚsource_addressÚsocket_optionsr   c                 C  s<  | \}}|  d¡r| d¡}d}tƒ }z| d¡ W n$ tyX   td|› d�ƒd‚Y n0 t |||tj¡D ]¢}|\}	}
}}}d}zPt |	|
|¡}t	||ƒ |t
ur®| |¡ |r¼| |¡ | |¡ d}|W   S  t�y } z |}|durø| ¡  W Y d}~qld}~0 0 ql|du�r0z|‚W d}nd}0 ntdƒ‚dS )ak  Connect to *address* and return the socket object.

    Convenience function.  Connect to *address* (a 2-tuple ``(host,
    port)``) and return the socket object.  Passing the optional
    *timeout* parameter will set the timeout on the socket instance
    before attempting to connect.  If no *timeout* is supplied, the
    global default timeout setting returned by :func:`socket.getdefaulttimeout`
    is used.  If *source_address* is set it must be a tuple of (host, port)
    for the socket to bind as a source address before making the connection.
    An host of '' or port 0 tells the OS to use the default.
    ú[z[]NÚidnaú'z', label empty or too longz!getaddrinfo returns an empty list)Ú
startswithÚstripÚallowed_gai_familyÚencodeÚUnicodeErrorr   ÚsocketÚgetaddrinfoÚSOCK_STREAMÚ_set_socket_optionsr   Ú
settimeoutÚbindÚconnectÚOSErrorÚclose)r   r   r   r   ÚhostÚportÚerrÚfamilyÚresÚafÚsocktypeÚprotoÚ	canonnameÚsaÚsockÚ_r   r   r   Úcreate_connection   s>    






 
r0   ÚNone)r.   Úoptionsr   c                 C  s$   |d u rd S |D ]}| j |Ž  qd S )N)Ú
setsockopt)r.   r2   Úoptr   r   r   r   ]   s    r   zsocket.AddressFamily)r   c                  C  s   t j} trt j} | S )z³This function is designed to work in the context of
    getaddrinfo, where family=socket.AF_UNSPEC is the default and
    will perform a DNS search for both IPv6 and IPv4 records.)r   ÚAF_INETÚHAS_IPV6Ú	AF_UNSPEC)r'   r   r   r   r   g   s    r   Ústr)r$   r   c                 C  sT   d}d}t jrDz"t   t j¡}| | df¡ d}W n tyB   Y n0 |rP| ¡  |S )z4Returns True if the system can bind an IPv6 address.NFr   T)r   Úhas_ipv6ÚAF_INET6r    Ú	Exceptionr#   )r$   r.   r9   r   r   r   Ú	_has_ipv6r   s    r<   z::1)Ú
__future__r   r   ÚtypingÚ
exceptionsr   r   r   r   ÚlistÚtupleÚintÚUnionÚbytesZ_TYPE_SOCKET_OPTIONSÚTYPE_CHECKINGZ_base_connectionr   r   r0   r   r   r<   r6   r   r   r   r   Ú<module>   s    üB
