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cmd.cpython-33.pyc
� �� f : c @ sX d Z d d l Z d d l Z d g Z d Z e j e j d Z Gd d � d � Z d S( u A generic class to build line-oriented command interpreters. Interpreters constructed with this class obey the following conventions: 1. End of file on input is processed as the command 'EOF'. 2. A command is parsed out of each line by collecting the prefix composed of characters in the identchars member. 3. A command `foo' is dispatched to a method 'do_foo()'; the do_ method is passed a single argument consisting of the remainder of the line. 4. Typing an empty line repeats the last command. (Actually, it calls the method `emptyline', which may be overridden in a subclass.) 5. There is a predefined `help' method. Given an argument `topic', it calls the command `help_topic'. With no arguments, it lists all topics with defined help_ functions, broken into up to three topics; documented commands, miscellaneous help topics, and undocumented commands. 6. The command '?' is a synonym for `help'. The command '!' is a synonym for `shell', if a do_shell method exists. 7. If completion is enabled, completing commands will be done automatically, and completing of commands args is done by calling complete_foo() with arguments text, line, begidx, endidx. text is string we are matching against, all returned matches must begin with it. line is the current input line (lstripped), begidx and endidx are the beginning and end indexes of the text being matched, which could be used to provide different completion depending upon which position the argument is in. The `default' method may be overridden to intercept commands for which there is no do_ method. The `completedefault' method may be overridden to intercept completions for commands that have no complete_ method. The data member `self.ruler' sets the character used to draw separator lines in the help messages. If empty, no ruler line is drawn. It defaults to "=". If the value of `self.intro' is nonempty when the cmdloop method is called, it is printed out on interpreter startup. This value may be overridden via an optional argument to the cmdloop() method. The data members `self.doc_header', `self.misc_header', and `self.undoc_header' set the headers used for the help function's listings of documented functions, miscellaneous topics, and undocumented functions respectively. i Nu Cmdu (Cmd) u _c B sC | Ee Z d Z d Z e Z e Z d Z d Z d/ Z d Z d Z d Z d Z d Z d Z d d/ d/ d d � Z d/ d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d! � Z d" d# � Z d$ d% � Z d& d' � Z d( d) � Z! d* d+ � Z" d, d- d. � Z# d/ S(0 u Cmdu A simple framework for writing line-oriented command interpreters. These are often useful for test harnesses, administrative tools, and prototypes that will later be wrapped in a more sophisticated interface. A Cmd instance or subclass instance is a line-oriented interpreter framework. There is no good reason to instantiate Cmd itself; rather, it's useful as a superclass of an interpreter class you define yourself in order to inherit Cmd's methods and encapsulate action methods. u =u u( Documented commands (type help <topic>):u Miscellaneous help topics:u Undocumented commands:u *** No help on %si u tabc C s^ | d k r | | _ n t j | _ | d k r< | | _ n t j | _ g | _ | | _ d S( u� Instantiate a line-oriented interpreter framework. The optional argument 'completekey' is the readline name of a completion key; it defaults to the Tab key. If completekey is not None and the readline module is available, command completion is done automatically. The optional arguments stdin and stdout specify alternate input and output file objects; if not specified, sys.stdin and sys.stdout are used. N( u Noneu stdinu sysu stdoutu cmdqueueu completekey( u selfu completekeyu stdinu stdout( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu __init__L s u Cmd.__init__c C s | j � | j rw | j rw yC d d l } | j � | _ | j | j � | j | j d � Wqw t k rs Yqw Xn z=| d k r� | | _ n | j r� | j j t | j � d � n d } x� | s�| j r� | j j d � } n� | j r"y t | j � } Wqut k r d } YquXnS | j j | j � | j j � | j j � } t | � sfd } n | j d � } | j | � } | j | � } | j | | � } q� W| j � Wd | j r| j ry d d l } | j | j � Wqt k r�YqXn Xd S( u� Repeatedly issue a prompt, accept input, parse an initial prefix off the received input, and dispatch to action methods, passing them the remainder of the line as argument. i Nu : completeu u EOFu ( u preloopu use_rawinputu completekeyu readlineu get_completeru old_completeru set_completeru completeu parse_and_bindu ImportErroru Noneu introu stdoutu writeu stru cmdqueueu popu inputu promptu EOFErroru flushu stdinu lenu rstripu precmdu onecmdu postcmdu postloop( u selfu introu readlineu stopu line( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu cmdloopb sN u Cmd.cmdloopc C s | S( u� Hook method executed just before the command line is interpreted, but after the input prompt is generated and issued. ( ( u selfu line( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu precmd� s u Cmd.precmdc C s | S( u? Hook method executed just after a command dispatch is finished.( ( u selfu stopu line( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu postcmd� s u Cmd.postcmdc C s d S( u> Hook method executed once when the cmdloop() method is called.N( ( u self( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu preloop� s u Cmd.preloopc C s d S( uY Hook method executed once when the cmdloop() method is about to return. N( ( u self( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu postloop� s u Cmd.postloopc C s | j � } | s d d | f S| d d k rF d | d d � } nF | d d k r� t | d � r| d | d d � } q� d d | f Sn d t | � } } x- | | k r� | | | j k r� | d } q� W| d | � | | d � j � } } | | | f S( u� Parse the line into a command name and a string containing the arguments. Returns a tuple containing (command, args, line). 'command' and 'args' may be None if the line couldn't be parsed. i u ?u help i Nu !u do_shellu shell ( u stripu Noneu hasattru lenu identchars( u selfu lineu iu nu cmdu arg( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu parseline� s " 'u Cmd.parselinec C s� | j | � \ } } } | s( | j � S| d k rA | j | � S| | _ | d k rb d | _ n | d k r{ | j | � Sy t | d | � } Wn t k r� | j | � SYn X| | � Sd S( uh Interpret the argument as though it had been typed in response to the prompt. This may be overridden, but should not normally need to be; see the precmd() and postcmd() methods for useful execution hooks. The return value is a flag indicating whether interpretation of commands by the interpreter should stop. u EOFu u do_N( u parselineu emptylineu Noneu defaultu lastcmdu getattru AttributeError( u selfu lineu cmdu argu func( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu onecmd� s u Cmd.onecmdc C s | j r | j | j � Sd S( u� Called when an empty line is entered in response to the prompt. If this method is not overridden, it repeats the last nonempty command entered. N( u lastcmdu onecmd( u self( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu emptyline� s u Cmd.emptylinec C s | j j d | � d S( u� Called on an input line when the command prefix is not recognized. If this method is not overridden, it prints an error message and returns. u *** Unknown syntax: %s N( u stdoutu write( u selfu line( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu default� s u Cmd.defaultc G s g S( u� Method called to complete an input line when no command-specific complete_*() method is available. By default, it returns an empty list. ( ( u selfu ignored( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu completedefault� s u Cmd.completedefaultc s' d | � � f d d � | j � D� S( Nu do_c s/ g | ]% } | j � � r | d d � � q S( i N( u startswith( u .0u a( u dotext( u( /opt/alt/python33/lib64/python3.3/cmd.pyu <listcomp>� s u% Cmd.completenames.<locals>.<listcomp>( u get_names( u selfu textu ignored( ( u dotextu( /opt/alt/python33/lib64/python3.3/cmd.pyu completenames� s u Cmd.completenamesc C s* | d k r� d d l } | j � } | j � } t | � t | � } | j � | } | j � | } | d k r� | j | � \ } } } | d k r� | j } q� y t | d | � } Wq� t k r� | j } Yq� Xn | j } | | | | | � | _ n y | j | SWn t k r%d SYn Xd S( u� Return the next possible completion for 'text'. If a command has not been entered, then complete against command list. Otherwise try to call complete_<command> to get list of completions. i Nu u complete_( u readlineu get_line_bufferu lstripu lenu get_begidxu get_endidxu parselineu completedefaultu getattru AttributeErroru completenamesu completion_matchesu IndexErroru None( u selfu textu stateu readlineu origlineu lineu strippedu begidxu endidxu cmdu argsu foou compfunc( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu complete� s* u Cmd.completec C s t | j � S( N( u diru __class__( u self( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu get_names s u Cmd.get_namesc sH t | j � � � } t � f d d � | j � D� � } t | | B� S( Nc 3 s6 | ], } | j d � d � r | d d � Vq d S( u help_i i N( u startswith( u .0u a( u args( u( /opt/alt/python33/lib64/python3.3/cmd.pyu <genexpr> s u$ Cmd.complete_help.<locals>.<genexpr>( u setu completenamesu get_namesu list( u selfu argsu commandsu topics( ( u argsu( /opt/alt/python33/lib64/python3.3/cmd.pyu complete_help s %u Cmd.complete_helpc C s? | r� y t | d | � } Wn� t k r� y> t | d | � j } | rj | j j d t | � � d SWn t k r Yn X| j j d t | j | f � � d SYn X| � n�| j � } g } g } i } x; | D]3 } | d d � d k r� d | | d d � <q� q� W| j � d } x� | D]� } | d d � d k r*| | k rXq*n | } | d d � } | | k r�| j | � | | =q�t | | � j r�| j | � q�| j | � q*q*W| j j d t | j � � | j | j | d d � | j | j t | j � � d d � | j | j | d d � d S( uE List available commands with "help" or detailed help with "help cmd".u help_u do_u %s Ni i u i i iP ( u getattru AttributeErroru __doc__u stdoutu writeu stru nohelpu get_namesu sortu appendu doc_leaderu print_topicsu doc_headeru misc_headeru listu keysu undoc_header( u selfu argu funcu docu namesu cmds_docu cmds_undocu helpu nameu prevnameu cmd( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu do_help$ sN $ %u Cmd.do_helpc C s~ | rz | j j d t | � � | j rS | j j d t | j t | � � � n | j | | d � | j j d � n d S( Nu %s i u ( u stdoutu writeu stru ruleru lenu columnize( u selfu headeru cmdsu cmdlenu maxcol( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu print_topicsR s *u Cmd.print_topicsiP c s� � s | j j d � d S� f d d � t t � � � D� } | rj t d d j t t | � � � � n t � � } | d k r� | j j d t � d � � d Sxt d t � � � D]� } | | d | } g } d } x� t | � D]� } d } xQ t | � D]C } | | | } | | k r(Pn � | } t | t | � � } qW| j | � | | d 7} | | k r� Pq� q� W| | k r� Pq� q� Wt � � } d } d g } x� t | � D]� } g } xN t | � D]@ } | | | } | | k r�d } n � | } | j | � q�Wx | r1| d r1| d =qWx5 t t | � � D]! } | | j | | � | | <qEW| j j d t d j | � � � q�Wd S( u� Display a list of strings as a compact set of columns. Each column is only as wide as necessary. Columns are separated by two spaces (one was not legible enough). u <empty> Nc s) g | ] } t � | t � s | � q S( ( u isinstanceu str( u .0u i( u list( u( /opt/alt/python33/lib64/python3.3/cmd.pyu <listcomp>d s u! Cmd.columnize.<locals>.<listcomp>u list[i] not a string for i in %su , i u %s i i u u i����i����i����( u stdoutu writeu rangeu lenu TypeErroru joinu mapu stru maxu appendu ljust( u selfu listu displaywidthu nonstringsu sizeu nrowsu ncolsu colwidthsu totwidthu colu colwidthu rowu iu xu texts( ( u listu( /opt/alt/python33/lib64/python3.3/cmd.pyu columnizeZ sZ % u Cmd.columnizeN($ u __name__u __module__u __qualname__u __doc__u PROMPTu promptu IDENTCHARSu identcharsu ruleru lastcmdu Noneu introu doc_leaderu doc_headeru misc_headeru undoc_headeru nohelpu use_rawinputu __init__u cmdloopu precmdu postcmdu preloopu postloopu parselineu onecmdu emptylineu defaultu completedefaultu completenamesu completeu get_namesu complete_helpu do_helpu print_topicsu columnize( u __locals__( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu Cmd4 s< 4 . ( u __doc__u stringu sysu __all__u PROMPTu ascii_lettersu digitsu IDENTCHARSu Cmd( ( ( u( /opt/alt/python33/lib64/python3.3/cmd.pyu <module>+ s
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