Plan 9 from Bell Labs’s /usr/web/sources/contrib/stallion/root/sys/lib/python2.7/ftplib.pyo

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
Download the Plan 9 distribution.


�`^c@sdZddlZddlZy5ddlZeZ[ddlmZee_[Wnek
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e%�ndS(#sSAn FTP client class and some helper functions.

Based on RFC 959: File Transfer Protocol (FTP), by J. Postel and J. Reynolds

Example:

>>> from ftplib import FTP
>>> ftp = FTP('ftp.python.org') # connect to host, default port
>>> ftp.login() # default, i.e.: user anonymous, passwd anonymous@
'230 Guest login ok, access restrictions apply.'
>>> ftp.retrlines('LIST') # list directory contents
total 9
drwxr-xr-x   8 root     wheel        1024 Jan  3  1994 .
drwxr-xr-x   8 root     wheel        1024 Jan  3  1994 ..
drwxr-xr-x   2 root     wheel        1024 Jan  3  1994 bin
drwxr-xr-x   2 root     wheel        1024 Jan  3  1994 etc
d-wxrwxr-x   2 ftp      wheel        1024 Sep  5 13:43 incoming
drwxr-xr-x   2 root     wheel        1024 Nov 17  1993 lib
drwxr-xr-x   6 1094     wheel        1024 Sep 13 19:07 pub
drwxr-xr-x   3 root     wheel        1024 Jan  3  1994 usr
-rw-r--r--   1 root     root          312 Aug  1  1994 welcome.msg
'226 Transfer complete.'
>>> ftp.quit()
'221 Goodbye.'
>>>

A nice test that reveals some of the network dialogue would be:
python ftplib.py -d localhost -l -p -l
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    timeout must be numeric and defaults to None if not passed,
    meaning that no timeout will be set on any ftp socket(s)
    If a timeout is passed, then this is now the default timeout for all ftp
    socket operations for this instance.

    Then use self.connect() with optional host and port argument.

    To download a file, use ftp.retrlines('RETR ' + filename),
    or ftp.retrbinary() with slightly different arguments.
    To upload a file, use ftp.storlines() or ftp.storbinary(),
    which have an open file as argument (see their definitions
    below for details).
    The download/upload functions first issue appropriate TYPE
    and PORT or PASV commands.
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�|_|jS(s�Connect to host.  Arguments are:
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�}z�|dk	r�jd|�n|j|�}|ddkr!|j�}n|ddkr=t|�n|j�\}}	|jtk	rq|j
|j�nWd|j	�X|d dkr�t|�}n||fS(s�Initiate a transfer over the data connection.

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        transfer command, and accept the connection.  If the server is
        passive, send a pasv command, connect to it, and start the
        transfer command.  Either way, return the socket for the
        connection and the expected size of the transfer.  The
        expected size may be None if it could not be determined.

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cCs|j||�dS(s0Like ntransfercmd() but returns only the socket.i(Rw(RRIRs((s/sys/lib/python2.7/ftplib.pyttransfercmdvscCs�|sd}n|sd}n|s-d}n|dkrR|dkrR|d}n|jd|�}|ddkr�|jd|�}n|ddkr�|jd	|�}n|dd
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cCs|d
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�S(snRetrieve data in line mode.  A new port is created for you.

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cCsr|jd�|j||�}x<|j|�}|s;Pn|j|�|r"||�q"q"|j�|j�S(s9Store a file in binary mode.  A new port is created for you.

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                     the connection at once.  [default: 8192]
          callback: An optional single parameter callable that is called on
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cCs�|jd�|j|�}x�|j|jd�}t|�|jkr`td|j��n|sjPn|dtkr�|dtkr�|d }n|t}n|j|�|r||�qq|j�|j	�S(shStore a file in line mode.  A new port is created for you.

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		9 							
					tFTP_TLScBs�eZdZejZddddd
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        for it by calling prot_p() method.

        Usage example:
        >>> from ftplib import FTP_TLS
        >>> ftps = FTP_TLS('ftp.python.org')
        >>> ftps.login()  # login anonymously previously securing control channel
        '230 Guest login ok, access restrictions apply.'
        >>> ftps.prot_p()  # switch to secure data connection
        '200 Protection level set to P'
        >>> ftps.retrlines('LIST')  # list directory content securely
        total 9
        drwxr-xr-x   8 root     wheel        1024 Jan  3  1994 .
        drwxr-xr-x   8 root     wheel        1024 Jan  3  1994 ..
        drwxr-xr-x   2 root     wheel        1024 Jan  3  1994 bin
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        drwxr-xr-x   3 root     wheel        1024 Jan  3  1994 usr
        -rw-r--r--   1 root     root          312 Aug  1  1994 welcome.msg
        '226 Transfer complete.'
        >>> ftps.quit()
        '221 Goodbye.'
        >>>
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