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e f d YZ d e f d YZ e e i e e f Z d Z d f d YZ e a d Z e a d Z d Z d Z d Z d d d Z d f d YZ d Z e! d j o e n d S( sS An 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
N( s getfqdnt FTPt Netrci i t Errorc B s t Z RS( N( t __name__t
__module__( ( ( t /usr/lib64/python2.4/ftplib.pyR : s t error_replyc B s t Z RS( N( R R ( ( ( R R ; s t
error_tempc B s t Z RS( N( R R ( ( ( R R < s t
error_permc B s t Z RS( N( R R ( ( ( R R = s t error_protoc B s t Z RS( N( R R ( ( ( R R > s s
c B s t Z d Z d Z d Z e Z e Z e Z e Z
d Z d d d d d Z d d d Z
d Z d Z e Z d Z d Z d
Z d Z d Z d
Z d Z d Z d Z d Z d Z d Z d Z d Z d Z e d Z e d Z! d d d d Z" d e d Z# e d Z$ d d Z% d Z& d Z' d Z( d! Z) d" Z* d# Z+ d$ Z, d% Z- d& Z. d' Z/ d( Z0 d) Z1 d* Z2 RS(+ sc An FTP client class.
To create a connection, call the class using these argument:
host, user, passwd, acct
These are all strings, and have default value ''.
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.
i t i c C s: | o/ | i | | o | i | | | q6 n d S( N( t hostt selft connectt usert logint passwdt acct( R R R R R ( ( R t __init__i s
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p t i | n | | _ | i
i d | _ | i | _ | i S( s Connect to host. Arguments are:
- host: hostname to connect to (string, default previous host)
- port: port to connect to (integer, default previous port)s! getaddrinfo returns an empty listi t rbN( R R t portt msgt sockett getaddrinfot SOCK_STREAMt rest aft socktypet protot canonnamet sat sockR
t errort closet Nonet makefilet filet getrespt welcome(
R R R R R R R R R R ( ( R R
n s0
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c C s* | i o d G| i | i GHn | i S( s` Get the welcome message from the server.
(this is read and squirreled away by connect())s *welcome*N( R t debuggingt sanitizeR& ( R ( ( R t
getwelcome s
c C s
| | _ d S( s Set the debugging level.
The required argument level means:
0: no debugging output (default)
1: print commands and responses but not body text etc.
2: also print raw lines read and sent before stripping CR/LFN( t levelR R' ( R R* ( ( R t set_debuglevel s c C s
| | _ d S( s Use passive or active mode for data transfers.
With a false argument, use the normal PORT mode,
With a true argument, use the PASV command.N( t valR t
passiveserver( R R, ( ( R t set_pasv s c C s | d d j p | d d j ob t | } x1 | d j o# | | d d j o | d } q1 W| d d | d | | } n t | S( Ni s pass s PASS i s
t *( t st lent it repr( R R0 R2 ( ( R R( s " ""c C sD | t } | i d j o d G| i | GHn | i i | d S( Ni s *put*( t linet CRLFR R' R( R t sendall( R R4 ( ( R t putline s
c C s1 | i o d G| i | GHn | i | d S( Ns *cmd*( R R' R( R4 R7 ( R R4 ( ( R t putcmd s
c C s | i i } | i d j o d G| i | GHn | p
t n | d t j o | d } n | d t j o | d } n | S( Ni s *get*ii( R R$ t readlineR4 R' R( t EOFErrorR5 ( R R4 ( ( R t getline s
c C s~ | i } | d d !d j oZ | d } xM | i } | d | } | d | j o | d d !d j o Pq- q- Wn | S( Ni i t -i s
( R R; R4 t codet nextline( R R> R= R4 ( ( R t getmultiline s
%c C s | i } | i o d G| i | GHn | d | _ | d } | d j o | Sn | d j o
t | n | d j o
t | n t | d S(
Ns *resp*i i t 1t 2t 3t 4t 5( R@ RA RB (
R R? t respR' R( t lastrespt cR R R ( R RG RE ( ( R R% s
c C s. | i } | d d j o
t | n | S( s% Expect a response beginning with '2'.i RA N( R R% RE R ( R RE ( ( R t voidresp s
c C sq d t } | i d j o d G| i | GHn | i i | t | i } | d d j o
t
| n d S( s Abort a file transfer. Uses out-of-band data.
This does not follow the procedure from the RFC to send Telnet
IP and Synch; that doesn't seem to work with the servers I've
tried. Instead, just send the ABOR command as OOB data.t ABORi s *put urgent*i t 426t 226N( RJ RK ( R5 R4 R R' R( R R6 t MSG_OOBR? RE R ( R R4 RE ( ( R t abort s
c C s | i | | i S( s' Send a command and return the response.N( R R8 t cmdR% ( R RN ( ( R t sendcmd s
c C s | i | | i S( s8 Send a command and expect a response beginning with '2'.N( R R8 RN RH ( R RN ( ( R t voidcmd s
c C sY | i d } t | d t | d g } | | } d d i | } | i
| S( sU Send a PORT command with the current host and the given
port number.
t .i s PORT t ,N( R t splitt hbytesR3 R t pbytest bytest joinRN R RP ( R R R RN RV RT RU ( ( R t sendport s
c C s d } | i t i j o
d } n | i t i j o
d } n | d j o
t d n d t | | t | d g } d d i
| } | i | S( sD Send a EPRT command with the current host and the given port number.i i i s unsupported address familyR
s EPRT t |N(
R R R t AF_INETt AF_INET6R R3 R R t fieldsRW RN RP ( R R R R R\ RN ( ( R t sendeprt s
!c C s9 d } d } x t i d d | i t i d t i D]{ } | \ } } } } }
y& t i | | | } | i |
Wn6 t i j
o' } | o | i n d } q4 n XPq4 W| p t i | n | i d | i d } | i i d } | i t i j o | i | | } n | i | | } | S( s3 Create a new socket and send a PORT command for it.s! getaddrinfo returns an empty listi i N( R R" R R R R R R t
AI_PASSIVER R R R R t bindR R! t listent getsocknameR R RZ RX RE R] ( R R R R R RE R R R R R R ( ( R t makeport s0 (
c C sc | i t i j o t | i d \ } } n( t | i d | i i
\ } } | | f S( Nt PASVt EPSV( R R R RZ t parse227RO R R t parse229R t getpeername( R R R ( ( R t makepasv) s 'c C s] d } | i o | i \ } } t i | | d t i d \ } }
} } } t i | |
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i | | d j o | i d | n | i | } | d d j o
t | q2nn | i } | d j o | i d | n | i | } | d d j o
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} | d d j o t | } n |
| f S( s Initiate a transfer over the data connection.
If the transfer is active, send a port command and the
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.
Optional `rest' argument can be a string that is sent as the
argument to a RESTART command. This is essentially a server
marker used to tell the server to skip over any data up to the
given marker.
i s REST %sR@ i t 150N( R" t sizeR R- Rh R R R R R R R R t canonR t connR
t restRO RN RE R Rb R t acceptt sockaddrt parse150( R RN Rm Ro R R R Rk RE R R R R Rl Rj ( ( R t ntransfercmd0 s,
.
c C s | i | | d S( s0 Like ntransfercmd() but returns only the socket.i N( R Rq RN Rm ( R RN Rm ( ( R t transfercmdW s c C s | p
d } n | p
d } n | p
d } n | d j o | d j o | d } n | i d | } | d d j o | i d | } n | d d j o | i d | } n | d d
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t | n | S(
s Login, default anonymous.t anonymousR
R< s
anonymous@s USER i RB s PASS s ACCT RA N( R
R< ( R R R R RO RE R ( R R R R RE ( ( R R [ s"
i c C s` | i d | i | | } x* | i | } | p Pn | | q" W| i
| i S( sU Retrieve data in binary mode.
`cmd' is a RETR command. `callback' is a callback function is
called for each block. No more than `blocksize' number of
bytes will be read from the socket. Optional `rest' is passed
to transfercmd().
A new port is created for you. Return the response code.
s TYPE Ii N( R RP Rr RN Rm Rl t recvt blocksizet datat callbackR! RH ( R RN Rw Ru Rm Rv Rl ( ( R t
retrbinaryp s
c C s | d j o
t } n | i d } | i | } | i d } x | i } | i
d j o d Gt | GHn | p Pn | d t j o | d } n | d d j o | d } n | | qG W| i | i | i S(
s Retrieve data in line mode.
The argument is a RETR or LIST command.
The callback function (2nd argument) is called for each line,
with trailing CRLF stripped. This creates a new port for you.
print_line() is the default callback.s TYPE AR i i s *retr*iis
N( Rw R" t
print_lineR RO RE Rr RN Rl R# t fpR9 R4 R' R3 R5 R! RH ( R RN Rw Rz R4 RE Rl ( ( R t retrlines s*
c C s` | i d | i | } x- | i | } | p Pn | i | q W| i
| i S( s Store a file in binary mode.s TYPE Ii N( R RP Rr RN Rl Rz t readRu t bufR6 R! RH ( R RN Rz Ru R} Rl ( ( R t
storbinary s
c C s | i d | i | } xh | i } | p Pn | d t j o- | d t j o | d } n | t } n | i | q W| i
| i S( s Store a file in line mode.s TYPE Ai iiN( R RP Rr RN Rl Rz R9 R} R5 R6 R! RH ( R RN Rz R} Rl ( ( R t storlines s
c C s d | } | i | S( s Send new account name.s ACCT N( t passwordRN R RP ( R R RN ( ( R R s
c G sB d } x | D] } | d | } q
Wg } | i | | i | S( sB Return a list of files in a given directory (default the current).t NLSTt N( RN t argst argt filesR R{ t append( R R RN R R ( ( R t nlst s c G s d } d } | d o6 t | d t d j o | d | d } } n x' | D] } | o | d | } qT qT W| i | | d S( s List a directory in long form.
By default list current directory to stdout.
Optional last argument is callback function; all
non-empty arguments before it are concatenated to the
LIST command. (This *should* only be used for a pathname.)t LISTiR
R N( RN R" t funcR t typeR R R{ ( R R RN R R ( ( R t dir s ( c C sB | i d | } | d d j o
t | n | i d | S( s Rename a file.s RNFR i RB s RNTO N( R RO t fromnameRE R RP t toname( R R R RE ( ( R t rename s
c C sW | i d | } | d d j o | Sn( | d d j o
t | n
t | d S( s Delete a file.s DELE i t 250t 200i RD N( R R ( R RO t filenameRE R R ( R R RE ( ( R t delete s
c C s | d j oL y | i d SWqp t j
o( } | i d d d j o qU qp Xn | d j o
d } n d | } | i | S(
s Change to a directory.s ..t CDUPi i t 500R
RQ s CWD N( t dirnameR RP R R R RN ( R R R RN ( ( R t cwd s
c C sp | i d | } | d d j oH | d i } y t | SWql t t f j
o t | Sql Xn d S( s Retrieve the size of a file.s SIZE i t 213N(
R RO R RE t stripR0 t intt
OverflowErrort
ValueErrort long( R R RE R0 ( ( R Rj s c C s | i d | } t | S( s+ Make a directory, return its full pathname.s MKD N( R RO R RE t parse257( R R RE ( ( R t mkd s c C s | i d | S( s Remove a directory.s RMD N( R RP R ( R R ( ( R t rmd s c C s | i d } t | S( s! Return current working directory.t PWDN( R RO RE R ( R RE ( ( R t pwd s c C s | i d } | i | S( s Quit, and close the connection.t QUITN( R RP RE R! ( R RE ( ( R t quit s
c C s< | i o. | i i | i i d | _ | _ n d S( s8 Close the connection without assuming anything about it.N( R R$ R! R R" ( R ( ( R R! s
(3 R R t __doc__R' R t FTP_PORTR R" R R$ R& R- R R
R) R+ t debugR. R( R7 R8 R; R? R% RH RM RO RP RX R] Rb Rh Rq Rr R Rx R{ R~ R R R R R R R Rj R R R R R! ( ( ( R R K s^
'
c C s | d d j o
t | n t d j o" d k } | i d | i a n t i | } | p d Sn | i d } y t | SWn# t t
f j
o t | Sn Xd S( s Parse the '150' response for a RETR request.
Returns the expected transfer size or None; size is not guaranteed to
be present in the 150 message.
i Ri Ns 150 .* \((\d+) bytes\)i ( RE R t _150_reR" t ret compilet
IGNORECASEt matcht mt groupR0 R R R R ( RE R R0 R ( ( R Rp s
c C s | d d j o
t | n t d j o d k } | i d a n t i | } | p
t | n | i } d i | d } t
| d d >t
| d } | | f S( s Parse the '227' response for a PASV request.
Raises error_proto if it does not contain '(h1,h2,h3,h4,p1,p2)'
Return ('host.addr.as.numbers', port#) tuple.i t 227Ns# (\d+),(\d+),(\d+),(\d+),(\d+),(\d+)RQ i i i ( RE R t _227_reR" R R t searchR R t groupst numbersRW R R R ( RE R R R R R ( ( R Re 0 s
"c C s | d d j o
t | n | i d } | d j o
t | n | i d | d } | d j o
t | n | | d | | d j o
t | n | | d | !i | | d } t | d j o
t | n | d } t | d } | | f S( s Parse the '229' response for a EPSV request.
Raises error_proto if it does not contain '(|||port|)'
Return ('host.addr.as.numbers', port#) tuple.i t 229t (i t )i i N(
RE R t findt leftR t rightRS t partsR1 t peerR R R ( RE R R R R R R ( ( R Rf D s"
"
c C s | d d j o
t | n | d d !d j o d Sn d } d } t | } xn | | j o` | | } | d } | d j o1 | | j p | | d j o Pn | d } n | | } qU W| S( s Parse the '257' response for a MKD or PWD request.
This is a response to a MKD or PWD request: a directory name.
Returns the directoryname in the 257 reply.i t 257i s "R
i t "N( RE R R R2 R1 t nRG ( RE RG R2 R R ( ( R R Z s$
c C s | GHd S( s+ Default retrlines callback to print a line.N( R4 ( R4 ( ( R Ry q s R
t Ic C s | p
| } n d | } | i | | i | t | i d \ } } | i
| | | i d | } | d d j o
t n | i d | } | d d
j o
t n | i | i d S( s+ Copy file from one FTP-instance to another.s TYPE Rc s STOR i t 125Ri s RETR N( R s 150( R s 150( t
targetnamet
sourcenameR t sourceRP t targetRe RO t
sourcehostt
sourceportRX t treplyR t sreplyRH ( R R R R R R R R R ( ( R t ftpcpv s
c B sP t Z d Z e Z e Z e Z e d Z d Z d Z d Z
d Z RS( s Class to parse & provide access to 'netrc' format files.
See the netrc(4) man page for information on the file format.
WARNING: This class is obsolete -- use module netrc instead.
c C s | d j o= d t i j o t i i t i d d } qJ t d n h | _ h | _ t
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} | p Pn | o! | i o | i | qt n% | o t | | i |
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} } d } d } xC| t | j o/| | } | d t | j o | | d } n d } | d j o
d } n | d j o! | o | i } | d } n | d j o | o | }
| d } n| | d
j o | o | } | d } nT | d j o | o | } | d } n, | d j o | o | }
g } d } Pn | d } qW| o= |
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p | }
| p | } | p | } n |
| | f | i | <qt qt W| i& d S(
Nt HOMEs .netrcs! specify file to load or set $HOMEt ri i t defaultt machineR R t accountt macdef(' R R" t ost environt pathRW t IOErrorR t
_Netrc__hostst _Netrc__macrost openRz t in_macroR9 R4 R t macro_linesR t tuplet
macro_nameRS t wordsR R R R R R2 R1 t w1t w2t lowert _Netrc__defusert _Netrc__defpasswdt _Netrc__defacctt ousert opasswdt oacctR! ( R R R R R R R R R Rz R R R R R R4 R2 R R ( ( R R s|
c C s
| i i S( s4 Return a list of hosts mentioned in the .netrc file.N( R R t keys( R ( ( R t get_hosts s c C s | i } d } } } | | i j o | i | \ } } } n | p | i } | p | i } | p | i
} | | | f S( s Returns login information for the named host.
The return value is a triple containing userid,
password, and the accounting field.
N( R R R" R R R R R R R R ( R R R R R ( ( R t get_account s c C s
| i i S( s) Return a list of all defined macro names.N( R R R ( R ( ( R t
get_macros s c C s | i | S( s6 Return a sequence of lines which define a named macro.N( R R t macro( R R ( ( R t get_macro s ( R R R R" R R R R R R R R ( ( ( R R s A c C sH t t i d j o t i GHt i d n d } d }
x- t i d d j o | d } t i d =q> Wt i d d d j o t i d d }
t i d =n t i d } t
| } | i | d } } } y t |
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d j o t i i d q_nD Xy | i | \ } } } Wn# t j
o t i i d n X| i | | | x t i d D] } | d d j o | i | d q| d d j o: d
} | d o | d | d } n | i | } q| d j o | i | i q| i d
| t i i d qW| i! d S( s Test program.
Usage: ftp [-d] [-r[file]] host [-l[dir]] [-d[dir]] [-p] [file] ...
-d dir
-l list
-p password
i i i s -ds -rR
s5 Could not open account file -- using anonymous login.s$ No account -- using anonymous login.s -lt CWDR s -ps RETR i N(" R1 t syst argvt testR t exitR' R" t rcfileR R t ftpR+ t useridR R R t netrcR t stderrt writeR t KeyErrorR R$ R RN RO RE R. R- Rx t stdoutR ( R' R R RN R R R RE R$ R R ( ( R R sR
t __main__(" R R R t SOCKSR t getfqdnt ImportErrort __all__RL R t ExceptionR R R R R R R R: t
all_errorsR5 R R" R Rp R Re Rf R Ry R R R R ( R R R R Rp R R R R Re R R R R Rf R R5 R Ry RL R R R R ( ( R t ? s> k 7