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ftplib.cpython-310.pyc
o }5h @ sN d Z ddlZddlZddlmZ g dZdZdZdZG dd d eZ G d d d e Z G d d d e Z G dd de Z G dd de Z e eefZdZdZG dd dZzddlZW n eyc dZY nw ejZG dd deZed e eeejfZdadd Z da dd Z d d Z d d Z d d! Z!d)d$d%Z"d&d' Z#e$d(kre# dS dS )*aS 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)_GLOBAL_DEFAULT_TIMEOUT)FTP error_reply error_temp error_perm error_proto all_errors c @ e Zd ZdS )ErrorN__name__ __module__ __qualname__ r r /usr/lib/python3.10/ftplib.pyr 9 r c @ r )r Nr r r r r r : r r c @ r )r Nr r r r r r ; r r c @ r )r Nr r r r r r < r r c @ r )r Nr r r r r r = r r s c @ s e Zd ZdZdZdZeZeZ dZ dZ dZ dZ dZddddedfddd d Zd d Zd d Zd]ddZdd Zdd ZeZdd Zdd Zdd Zd d Zd d Zd d! Z d"d# Z d$d% Z d&d' Z d(d) Z d*d+ Z!d,d- Z"d.d/ Z#d0d1 Z$d2d3 Z%d^d4d5Z&d^d6d7Z'd_d8d9Z(d`d;d<Z)d^d=d>Z*dad?d@Z+d^dAdBZ,dCdD Z-dEdF Z.dGdH Z/dg fdIdJZ0dKdL Z1dMdN Z2dOdP Z3dQdR Z4dSdT Z5dUdV Z6dWdX Z7dYdZ Z8d[d\ Z9dS )br u An FTP client class. To create a connection, call the class using these arguments: host, user, passwd, acct, timeout, source_address, encoding The first four arguments are all strings, and have default value ''. The parameter ´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. The last parameter is the encoding of filenames, which defaults to utf-8. 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. r NTFutf-8encodingc C s> || _ || _|| _|r| | |r | ||| dS dS dS )zInitialization method (called by class instantiation). Initialize host to localhost, port to standard ftp port. Optional arguments are host (for connect()), and user, passwd, acct (for login()). N)r source_addresstimeoutconnectlogin)selfhostuserpasswdacctr r r r r r __init__m s z FTP.__init__c C s | S Nr r r r r __enter__} s z FTP.__enter__c G sf | j d ur1z z| W n ttfy Y nw W | j d ur$| d S d S | j d ur0| w w d S r$ )sockquitOSErrorEOFErrorclose)r argsr r r __exit__ s z FTP.__exit__c C s |dkr|| _ |dkr|| _|dkr|| _| jdur!| js!td|dur(|| _td| | j | j tj| j | jf| j| jd| _ | j j | _ | j j d| j d | _| | _| jS ) aw Connect to host. Arguments are: - host: hostname to connect to (string, default previous host) - port: port to connect to (integer, default previous port) - timeout: the timeout to set against the ftp socket(s) - source_address: a 2-tuple (host, port) for the socket to bind to as its source address before connecting. r r r. Nz0Non-blocking socket (timeout=0) is not supportedzftplib.connectr rr )r portr ValueErrorr sysauditsocketcreate_connectionr' familyafmakefiler filegetrespwelcome)r r r1 r r r r r r s$ z FTP.connectc C s | j r td| | j | jS )z`Get the welcome message from the server. (this is read and squirreled away by connect())z *welcome*) debuggingprintsanitizer< r% r r r getwelcome s zFTP.getwelcomec C || _ dS )zSet 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)r= )r levelr r r set_debuglevel s zFTP.set_debuglevelc C rA )zUse 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) passiveserver)r valr r r set_pasv s z FTP.set_pasvc C sJ |d d dv r!t |d}|d d d|d ||d }t|S )N > pass PASS r *)lenrstriprepr)r sir r r r? s $z FTP.sanitizec C s` d|v sd|v r t dtd| | |t }| jdkr$td| | | j| | j d S )N z4an illegal newline character should not be containedzftplib.sendcmdr z*put*) r2 r3 r4 CRLFr= r> r? r' sendallencoder r liner r r putline s z FTP.putlinec C s$ | j r td| | | | d S )Nz*cmd*)r= r> r? rW rU r r r putcmd s z FTP.putcmdc C s | j | jd }t|| jkrtd| j | jdkr$td| | |s(t|dd t kr8|d d }|S |dd t v rF|d d }|S )Nr got more than %d bytesz*get*) r: readlinemaxlinerK r r= r> r? r* rR rU r r r getline s z FTP.getlinec C sf | }|dd dkr1|d d } | }|d| }|d d |kr0|dd dkr0 |S q|S )N -r rQ )r^ )r rV codenextliner r r getmultiline s zFTP.getmultilinec C sl | }| jrtd| | |d d | _|d d }|dv r"|S |dkr*t||dkr2t|t|)Nz*resp*r_ r > 12345)rd r= r> r? lastrespr r r )r respcr r r r; s z FTP.getrespc C s$ | }|dd dkrt||S )z%Expect a response beginning with '2'.Nr rf )r; r r rk r r r voidresp s z FTP.voidrespc C sT dt }| jdkrtd| | | j|t | }|dd dvr(t||S )zAbort 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. ABORr z *put urgent*Nr_ 225226426) B_CRLFr= r> r? r' rS MSG_OOBrd r r rV rk r r r abort s z FTP.abortc C | | | S )z'Send a command and return the response.)rX r; r cmdr r r sendcmd z FTP.sendcmdc C rx )z8Send a command and expect a response beginning with '2'.)rX rn ry r r r voidcmd r| z FTP.voidcmdc C sB | d}t|d t|d g}|| }dd| }| |S )zUSend a PORT command with the current host and the given port number. . zPORT ,)splitrM joinr} )r r r1 hbytespbytesbytesrz r r r sendport s z FTP.sendportc C sb d}| j tjkr d}| j tjkrd}|dkrtddt||t|dg}dd| }| |S )zESend an EPRT command with the current host and the given port number.r r zunsupported address familyr zEPRT |)r8 r5 AF_INETAF_INET6r rM r r} )r r r1 r8 fieldsrz r r r sendeprt* s z FTP.sendeprtc C sl t jd| jdd}| d }| j d }| jt jkr#| ||}n| ||}| jt ur4| | j |S )z3Create a new socket and send a PORT command for it.)r r r )r7 backlogr ) r5 create_serverr8 getsocknamer' r r r r r settimeout)r r' r1 r rk r r r makeport7 s z FTP.makeportc C sh | j tjkr#t| d\}}| jr|}||fS | j d }||fS t| d| j \}}||fS )z<Internal: Does the PASV or EPSV handshake -> (address, port)PASVr EPSV) r8 r5 r parse227r{ trust_server_pasv_ipv4_addressr' getpeernameparse229)r untrusted_hostr1 r r r r makepasvD s z FTP.makepasvc C s> d}| j rF| \}}tj||f| j| jd}z&|dur#| d| | |}|d dkr2| }|d dkr<t|W nQ | | =}|durV| d| | |}|d dkre| }|d dkrot|| \}} | jt ur| | j W d n1 sw Y |dd dkrt|}||fS ) a 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 REST command. This is essentially a server marker used to tell the server to skip over any data up to the given marker. Nr/ zREST %sr rf re r_ 150)rD r r5 r6 r r r{ r; r r+ r acceptr r parse150) r rz restsizer r1 connrk r' sockaddrr r r ntransfercmdP sD zFTP.ntransfercmdc C s | ||d S )z0Like ntransfercmd() but returns only the socket.r )r )r rz r r r r transfercmd s zFTP.transfercmdc C s |sd}|sd}|s d}|dkr|dv r|d }| d| }|d dkr,| d| }|d dkr9| d | }|d d krCt||S ) zLogin, default anonymous. anonymousr > r ra z anonymous@zUSER r rg rI ACCT rf r{ r )r r r! r" rk r r r r s z FTP.loginr c C s | d | ||:} ||}|sn|| q tdur1t|tr;| W d | S W d | S W d | S 1 sHw Y | S )a Retrieve data in binary mode. A new port is created for you. Args: cmd: A RETR command. callback: A single parameter callable to be called on each block of data read. blocksize: The maximum number of bytes to read from the socket at one time. [default: 8192] rest: Passed to transfercmd(). [default: None] Returns: The response code. TYPE Ir N)r} r recv _SSLSocket isinstanceunwraprn )r rz callback blocksizer r datar r r retrbinary s( zFTP.retrbinaryc C s< |du rt }| d}| |}|jd| jd]} || jd }t|| jkr1td| j | j dkr=t dt | |s@n"|d d t krO|dd }n|d d d kr]|dd }|| qt durot|t ro| W d n1 syw Y W d | S W d | S 1 sw Y | S ) ah Retrieve data in line mode. A new port is created for you. Args: cmd: A RETR, LIST, or NLST command. callback: An optional single parameter callable that is called for each line with the trailing CRLF stripped. [default: print_line()] Returns: The response code. NTYPE Ar0 r r rY r z*retr*rZ r[ rQ ) print_liner{ r r9 r r\ r] rK r r= r> rM rR r r r rn )r rz r rk r fprV r r r retrlines s< ( z FTP.retrlinesc C s | d | ||A} ||}|sn || |r || q tdur8t|trB| W d | S W d | S W d | S 1 sOw Y | S )a9 Store a file in binary mode. A new port is created for you. Args: cmd: A STOR command. fp: A file-like object with a read(num_bytes) method. blocksize: The maximum data size to read from fp and send over the connection at once. [default: 8192] callback: An optional single parameter callable that is called on each block of data after it is sent. [default: None] rest: Passed to transfercmd(). [default: None] Returns: The response code. r r N)r} r readrS r r r rn )r rz r r r r r bufr r r storbinary s, zFTP.storbinaryc C s | d | |j} || jd }t|| jkr"td| j |s%n$|dd tkr=|d tv r9|dd }|t }|| |rH|| q tdur`t |trj| W d | S W d | S W d | S 1 sww Y | S )ah Store a file in line mode. A new port is created for you. Args: cmd: A STOR command. fp: A file-like object with a readline() method. callback: An optional single parameter callable that is called on each line after it is sent. [default: None] Returns: The response code. r r rY rZ Nr[ ) r} r r\ r] rK r rt rS r r r rn )r rz r r r r r r r storlines s6 z FTP.storlinesc C s d| }| |S )zSend new account name.r r} )r passwordrz r r r r" s zFTP.acctc G s0 d}|D ]}|d| }qg }| ||j |S )zBReturn a list of files in a given directory (default the current).NLST )r append)r r, rz argfilesr r r nlst# s zFTP.nlstc G sh d}d}|dd r t |d t dkr |dd |d }}|D ] }|r+|d| }q!| || dS )a 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.)LISTNr[ r r )typer )r r, rz funcr r r r dir, s zFTP.dirc c s |r| dd| d |rd| }nd}g }| ||j |D ].}|td\}}}i } |dd dD ]} | d\} }} | | | < q;|| fV q#dS ) a< List a directory in a standardized format by using MLSD command (RFC-3659). If path is omitted the current directory is assumed. "facts" is a list of strings representing the type of information desired (e.g. ["type", "size", "perm"]). Return a generator object yielding a tuple of two elements for every file found in path. First element is the file name, the second one is a dictionary including a variable number of "facts" depending on the server and whether "facts" argument has been provided. z OPTS MLST ;zMLSD %sMLSDr Nr[ =) r{ r r r rL rR partitionr lower) r pathfactsrz linesrV facts_found_nameentryfactkeyvaluer r r mlsd; s zFTP.mlsdc C s0 | d| }|d dkrt|| d| S )zRename a file.zRNFR r rg zRNTO )r{ r r} )r fromnametonamerk r r r renameW s z FTP.renamec C s* | d| }|dd dv r|S t|)zDelete a file.zDELE Nr_ > 200250r )r filenamerk r r r delete^ s z FTP.deletec C sp |dkr)z| dW S ty( } z|jd dd dkr W Y d}~n d}~ww |dkr/d}d | }| |S ) zChange to a directory.z..CDUPr Nr_ 500r r~ zCWD )r} r r, )r dirnamemsgrz r r r cwdf s zFTP.cwdc C s: | d| }|dd dkr|dd }t|S dS )z Retrieve the size of a file.zSIZE Nr_ 213)r{ stripint)r r rk rN r r r r s s zFTP.sizec C s$ | d| }|dsdS t|S )z+Make a directory, return its full pathname.zMKD 257r r} startswithparse257)r r rk r r r mkd{ s zFTP.mkdc C s | d| S )zRemove a directory.zRMD r )r r r r r rmd s zFTP.rmdc C s | d}|ds dS t|S )z!Return current working directory.PWDr r r rm r r r pwd s zFTP.pwdc C s | d}| |S )z Quit, and close the connection.QUIT)r} r+ rm r r r r( s zFTP.quitc C sd z!| j }d| _ |dur| W | j}d| _|dur | dS dS | j}d| _|dur1| w w )z8Close the connection without assuming anything about it.N)r: r+ r' )r r: r' r r r r+ s z FTP.close)r r r. Nr$ )r r r )r N)r NN):r r r __doc__r= r FTP_PORTr1 MAXLINEr] r' r: r< rD r r r# r& r- r r@ rC debugrF r? rW rX r^ rd r; rn rw r{ r} r r r r r r r r r r r r" r r r r r r r r r r r( r+ r r r r r J sr 7 # r c s e Zd ZdZejZdddddddedf dd fdd Zd fd d Z d d Z d d Z dd Z dd Z d fdd Zdd Z ZS )FTP_TLSa A FTP subclass which adds TLS support to FTP as described in RFC-4217. Connect as usual to port 21 implicitly securing the FTP control connection before authenticating. Securing the data connection requires user to explicitly ask 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 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.' >>> ftps.quit() '221 Goodbye.' >>> r Nr r c s |d ur |d ur t d|d ur|d urt d|d us |d ur+dd l} | dtd || _|| _|d u r>tj| j||d}|| _ d| _ t j |||||| | d d S ) Nz4context and keyfile arguments are mutually exclusivez5context and certfile arguments are mutually exclusiver zAkeyfile and certfile are deprecated, use a custom context insteadr )certfilekeyfileFr ) r2 warningswarnDeprecationWarningr r ssl_create_stdlib_context ssl_versioncontext_prot_psuperr# ) r r r r! r" r r r r r r r __class__r r r# s* zFTP_TLS.__init__Tc s* |r t | jtjs | t |||S r$ )r r' r SSLSocketauthr r )r r r! r" securer r r r s z FTP_TLS.loginc C sf t | jtjr td| jtjkr| d}n| d}| jj | j| j d| _| jj d| j d| _ |S )z2Set up secure control connection by using TLS/SSL.zAlready using TLSzAUTH TLSzAUTH SSLserver_hostnamer0 )moder )r r' r r r2 r PROTOCOL_TLSr} r wrap_socketr r9 r r: rm r r r r s z FTP_TLS.authc C s0 t | jtjs td| d}| j | _|S )z/Switch back to a clear-text control connection.z not using TLSCCC)r r' r r r2 r} r rm r r r ccc s z FTP_TLS.cccc C s | d | d}d| _|S )z Set up secure data connection.zPBSZ 0zPROT PTr} r rm r r r prot_p s zFTP_TLS.prot_pc C s | d}d| _|S )z"Set up clear text data connection.zPROT CFr rm r r r prot_c s zFTP_TLS.prot_cc s2 t ||\}}| jr| jj|| jd}||fS )Nr )r r r r r r )r rz r r r r r r r s zFTP_TLS.ntransfercmdc C s8 dt }| j| | }|d d dvrt||S )Nro r_ rp )rt r' rS rd r rv r r r rw s z FTP_TLS.abort)r r r Tr$ )r r r r r PROTOCOL_TLS_CLIENTr r r# r r r r r r rw __classcell__r r r r r s r c C s\ | dd dkr t | tdu r ddl}|d|j|jB at| }|s'dS t|dS )zParse 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. Nr_ r r z150 .* \((\d+) bytes\)r ) r _150_rerecompile IGNORECASEASCIImatchr group)rk r mr r r r . s r c C s | dd dkr t | tdu rddl}|d|jat| }|s&t| | }d|dd }t |d d> t |d }||fS ) zParse 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.Nr_ 227r z#(\d+),(\d+),(\d+),(\d+),(\d+),(\d+)r~ r` rG ) r _227_rer r r searchr groupsr r )rk r r numbersr r1 r r r r B s r c C s | dd dkr t | | d}|dk rt| | d|d }|dk r)t| | |d | |d kr9t| | |d | | |d }t|dkrRt| |d }t|d }||fS ) zParse the '229' response for an EPSV request. Raises error_proto if it does not contain '(|||port|)' Return ('host.addr.as.numbers', port#) tuple.Nr_ 229(r )r rG )r findr r rK r )rk peerleftrightpartsr r1 r r r r U s r c C s | dd dkr t | | dd dkrdS d}d}t| }||k rG| | }|d }|dkr?||ks8| | dkr; |S |d }|| }||k s"|S ) zParse 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.Nr_ r rG z "r r ")r rK )rk r rO nrl r r r r j s$ r c C s t | dS )z+Default retrlines callback to print a line.N)r> )rV r r r r s r r Ic C s |s|}d| }| | | | t| d\}}||| |d| }|dd dvr2t| d| }|dd dvrCt| | dS )z+Copy file from one FTP-instance to another.zTYPE r zSTOR Nr_ > 125r RETR )r} r r{ r r rn ) source sourcenametarget targetnamer sourcehost sourceporttreplysreplyr r r ftpcp s r/ c C s t tjdk rttj td ddl} d}d}tjd dkr/|d }tjd= tjd dks tjd dd dkrGtjd dd }tjd= tjd }t|}| | d } }}z| |}W n t yu |durstj d Y nw z | |\}}}W n ty tj d Y nw |||| tjdd D ]K} | dd d kr|| dd q| dd dkrd } | dd r| d | dd } || } q| d kr||j q|d| tjj d q| dS )zTest program. Usage: ftp [-d] [-r[file]] host [-l[dir]] [-d[dir]] [-p] [file] ... -d dir -l list -p password r r Nr z-dz-rr z5Could not open account file -- using anonymous login.z$No account -- using anonymous login.z-lCWDr z-pr& i )rK r3 argvr> testr exitnetrcr rC r) stderrwriteauthenticatorsKeyErrorr r r{ rF rD r stdoutr( ) r4 r= rcfiler ftpuseridr! r" netrcobjr: rz rk r r r r2 sZ r2 __main__)r r$ )%r r3 r5 r __all__ru r r Exceptionr r r r r r) r* r rR rt r r ImportErrorr r r r SSLErrorr r r r r r r r/ r2 r r r r r <module> sT & ^ } 9