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편집 파일: argparse.cpython-34.pyo
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Gd= d> � d> e% � Z/ Gd? d � d e � Z0 Gd@ d � d e � Z1 GdA dB � dB e � Z2 GdC dD � dD e2 � Z3 GdE dF � dF e3 � Z4 GdG d � d e e2 � Z5 d S)Ha� Command-line parsing library This module is an optparse-inspired command-line parsing library that: - handles both optional and positional arguments - produces highly informative usage messages - supports parsers that dispatch to sub-parsers The following is a simple usage example that sums integers from the command-line and writes the result to a file:: parser = argparse.ArgumentParser( description='sum the integers at the command line') parser.add_argument( 'integers', metavar='int', nargs='+', type=int, help='an integer to be summed') parser.add_argument( '--log', default=sys.stdout, type=argparse.FileType('w'), help='the file where the sum should be written') args = parser.parse_args() args.log.write('%s' % sum(args.integers)) args.log.close() The module contains the following public classes: - ArgumentParser -- The main entry point for command-line parsing. As the example above shows, the add_argument() method is used to populate the parser with actions for optional and positional arguments. Then the parse_args() method is invoked to convert the args at the command-line into an object with attributes. - ArgumentError -- The exception raised by ArgumentParser objects when there are errors with the parser's actions. Errors raised while parsing the command-line are caught by ArgumentParser and emitted as command-line messages. - FileType -- A factory for defining types of files to be created. As the example above shows, instances of FileType are typically passed as the type= argument of add_argument() calls. - Action -- The base class for parser actions. Typically actions are selected by passing strings like 'store_true' or 'append_const' to the action= argument of add_argument(). However, for greater customization of ArgumentParser actions, subclasses of Action may be defined and passed as the action= argument. - HelpFormatter, RawDescriptionHelpFormatter, RawTextHelpFormatter, ArgumentDefaultsHelpFormatter -- Formatter classes which may be passed as the formatter_class= argument to the ArgumentParser constructor. HelpFormatter is the default, RawDescriptionHelpFormatter and RawTextHelpFormatter tell the parser not to change the formatting for help text, and ArgumentDefaultsHelpFormatter adds information about argument defaults to the help. All other classes in this module are considered implementation details. 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All the methods provided by the class are considered an implementation detail. c s, d j � f d d � | j d d � D� � S)NrX c 3 s | ] } � | Vq d S)Nr% )rT ry )rw r% r& � <genexpr>� s z9RawDescriptionHelpFormatter._fill_text.<locals>.<genexpr>�keependsT)r � splitlines)r r` rL rw r% )rw r& r� � s z&RawDescriptionHelpFormatter._fill_textN)r r+ r, r- r� r% r% r% r& r y s c @ s" e Z d Z d Z d d � Z d S)r z�Help message formatter which retains formatting of all help text. Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. c C s | j � S)N)r� )r r` rL r% r% r& r� � s z!RawTextHelpFormatter._split_linesN)r r+ r, r- r� r% r% r% r& r � s c @ s" e Z d Z d Z d d � Z d S)r z�Help message formatter which adds default values to argument help. Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. c C sb | j } d | j k r^ | j t k r^ t t g } | j sK | j | k r[ | d 7} q[ q^ n | S)Nz %(default)z (default: %(default)s))rj r� r r r r~ r� )r rn rj Zdefaulting_nargsr% r% r& r� � s z.ArgumentDefaultsHelpFormatter._get_help_stringN)r r+ r, r- r� r% r% r% r& r � s c @ s. e Z d Z d Z d d � Z d d � Z d S)r a Help message formatter which uses the argument 'type' as the default metavar value (instead of the argument 'dest') Only the name of this class is considered a public API. All the methods provided by the class are considered an implementation detail. c C s | j j S)N)r r )r rn r% r% r& r� � s z:MetavarTypeHelpFormatter._get_default_metavar_for_optionalc C s | j j S)N)r r )r rn r% r% r& r� � s z<MetavarTypeHelpFormatter._get_default_metavar_for_positionalN)r r+ r, r- r� r� r% r% r% r& r � s c C si | d k r d S| j r) d j | j � S| j d t f k rE | j S| j d t f k ra | j Sd Sd S)N�/)r~ r r� r r� )�argumentr% r% r& �_get_action_name� s r� c @ s. e Z d Z d Z d d � Z d d � Z d S)r z�An error from creating or using an argument (optional or positional). The string value of this exception is the message, augmented with information about the argument that caused it. c C s t | � | _ | | _ d S)N)r� � argument_name�message)r r� r� r% r% r& rM � s zArgumentError.__init__c C s; | j d k r d } n d } | t d | j d | j � S)Nz %(message)sz'argument %(argument_name)s: %(message)sr� r� )r� r} r� )r r� r% r% r& �__str__� s zArgumentError.__str__N)r r+ r, r- rM r� r% r% r% r& r � s c @ s e Z d Z d Z d S)r z@An error from trying to convert a command line string to a type.N)r r+ r, r- r% r% r% r& r � s c @ sU e Z d Z d Z d d d d d d d d d d � Z d d � Z d d d � Z d S) r a\ Information about how to convert command line strings to Python objects. Action objects are used by an ArgumentParser to represent the information needed to parse a single argument from one or more strings from the command line. The keyword arguments to the Action constructor are also all attributes of Action instances. Keyword Arguments: - option_strings -- A list of command-line option strings which should be associated with this action. - dest -- The name of the attribute to hold the created object(s) - nargs -- The number of command-line arguments that should be consumed. By default, one argument will be consumed and a single value will be produced. Other values include: - N (an integer) consumes N arguments (and produces a list) - '?' consumes zero or one arguments - '*' consumes zero or more arguments (and produces a list) - '+' consumes one or more arguments (and produces a list) Note that the difference between the default and nargs=1 is that with the default, a single value will be produced, while with nargs=1, a list containing a single value will be produced. - const -- The value to be produced if the option is specified and the option uses an action that takes no values. - default -- The value to be produced if the option is not specified. - type -- A callable that accepts a single string argument, and returns the converted value. The standard Python types str, int, float, and complex are useful examples of such callables. If None, str is used. - choices -- A container of values that should be allowed. If not None, after a command-line argument has been converted to the appropriate type, an exception will be raised if it is not a member of this collection. - required -- True if the action must always be specified at the command line. This is only meaningful for optional command-line arguments. - help -- The help string describing the argument. - metavar -- The name to be used for the option's argument with the help string. If None, the 'dest' value will be used as the name. NFc C s^ | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ | | _ d S)N) r~ r� r� �constr� r r� r� rj r� ) r r~ r� r� r� r� r r� r� rj r� r% r% r& rM s zAction.__init__c s8 d d d d d d d d d g } � f d d � | D� S) Nr~ r� r� r� r� r r� rj r� c s% g | ] } | t � | � f � q Sr% )r. )rT r# )r r% r& rW 3 s z&Action._get_kwargs.<locals>.<listcomp>r% )r �namesr% )r r& r ' s zAction._get_kwargsc C s t t d � � � d S)Nz.__call__() not defined)�NotImplementedErrorr| )r �parserr0 �valuesr� r% r% r& �__call__5 s zAction.__call__)r r+ r, r- rM r r� r% r% r% r& r � s 1 c sI e Z d Z d d d d d d d d � f d d � Z d d d � Z � S)� _StoreActionNFc s� | d k r t d � � n | d k rF | t k rF t d t � � n t t | � j d | d | d | d | d | d | d | d | d | d | � d S)Nr z�nargs for store actions must be > 0; if you have nothing to store, actions such as store true or store const may be more appropriatez nargs must be %r to supply constr~ r� r� r� r� r r� r� rj r� )r: r �superr� rM ) r r~ r� r� r� r� r r� r� rj r� )� __class__r% r& rM ; s z_StoreAction.__init__c C s t | | j | � d S)N)r/ r� )r r� r0 r� r� r% r% r& r� X s z_StoreAction.__call__)r r+ r, rM r� r% r% )r� r& r� 9 s r� c s= e Z d Z d d d d � f d d � Z d d d � Z � S)�_StoreConstActionNFc sA t t | � j d | d | d d d | d | d | d | � d S) Nr~ r� r� r r� r� r� rj )r� r� rM )r r~ r� r� r� r� rj r� )r� r% r& rM ^ s z_StoreConstAction.__init__c C s t | | j | j � d S)N)r/ r� r� )r r� r0 r� r� r% r% r& r� o s z_StoreConstAction.__call__)r r+ r, rM r� r% r% )r� r& r� \ s r� c s+ e Z d Z d d d � f d d � Z � S)�_StoreTrueActionFNc s; t t | � j d | d | d d d | d | d | � d S)Nr~ r� r� Tr� r� rj )r� r� rM )r r~ r� r� r� rj )r� r% r& rM u s z_StoreTrueAction.__init__)r r+ r, rM r% r% )r� r& r� s s r� c s+ e Z d Z d d d � f d d � Z � S)�_StoreFalseActionTFNc s; t t | � j d | d | d d d | d | d | � d S)Nr~ r� r� Fr� r� rj )r� r� rM )r r~ r� r� r� rj )r� r% r& rM � s z_StoreFalseAction.__init__)r r+ r, rM r% r% )r� r& r� � s r� c sI e Z d Z d d d d d d d d � f d d � Z d d d � Z � S)� _AppendActionNFc s� | d k r t d � � n | d k rF | t k rF t d t � � n t t | � j d | d | d | d | d | d | d | d | d | d | � d S)Nr z�nargs for append actions must be > 0; if arg strings are not supplying the value to append, the append const action may be more appropriatez nargs must be %r to supply constr~ r� r� r� r� r r� r� rj r� )r: r r� r� rM ) r r~ r� r� r� r� r r� r� rj r� )r� r% r& rM � s z_AppendAction.__init__c C sB t j t | | j g � � } | j | � t | | j | � d S)N)�_copy�copyr1 r� r r/ )r r� r0 r� r� r* r% r% r& r� � s z_AppendAction.__call__)r r+ r, rM r� r% r% )r� r& r� � s r� c s= e Z d Z d d d d � f d d � Z d d d � Z � S)�_AppendConstActionNFc sG t t | � j d | d | d d d | d | d | d | d | � d S) Nr~ r� r� r r� r� r� rj r� )r� r� rM )r r~ r� r� r� r� rj r� )r� r% r& rM � s z_AppendConstAction.__init__c C sE t j t | | j g � � } | j | j � t | | j | � d S)N)r� r� r1 r� r r� r/ )r r� r0 r� r� r* r% r% r& r� � s z_AppendConstAction.__call__)r r+ r, rM r� r% r% )r� r& r� � s r� c s: e Z d Z d d d � f d d � Z d d d � Z � S)� _CountActionNFc s; t t | � j d | d | d d d | d | d | � d S)Nr~ r� r� r r� r� rj )r� r� rM )r r~ r� r� r� rj )r� r% r& rM � s z_CountAction.__init__c C s0 t | | j d � d } t | | j | � d S)Nr rN )r1 r� r/ )r r� r0 r� r� Z new_countr% r% r& r� � s z_CountAction.__call__)r r+ r, rM r� r% r% )r� r& r� � s r� c s: e Z d Z e e d � f d d � Z d d d � Z � S)� _HelpActionNc s5 t t | � j d | d | d | d d d | � d S)Nr~ r� r� r� r rj )r� r� rM )r r~ r� r� rj )r� r% r& rM � s z_HelpAction.__init__c C s | j � | j � d S)N)� print_help�exit)r r� r0 r� r� r% r% r& r� � s z_HelpAction.__call__)r r+ r, r rM r� r% r% )r� r& r� � s r� c s= e Z d Z d e e d � f d d � Z d d d � Z � S)�_VersionActionNz&show program's version number and exitc s> t t | � j d | d | d | d d d | � | | _ d S)Nr~ r� r� r� r rj )r� r� rM �version)r r~ r� r� r� rj )r� r% r& rM � s z_VersionAction.__init__c C sa | j } | d k r! | j } n | j � } | j | � | j | j � t j � | j � d S)N)r� �_get_formatterra �_print_messager[ �_sys�stdoutr� )r r� r0 r� r� r� rQ r% r% r& r� s z_VersionAction.__call__)r r+ r, r rM r� r% r% )r� r& r� � s r� c sh e Z d Z Gd d � d e � Z e d d � f d d � Z d d � Z d d � Z d d d � Z � S) �_SubParsersActionc s" e Z d Z � f d d � Z � S)z&_SubParsersAction._ChoicesPseudoActionc sb | } } | r* | d d j | � 7} n t t j | � } | j d g d | d | d | � d S)Nz (%s)z, r~ r� rj r� )r r� r� �_ChoicesPseudoActionrM )r r# �aliasesrj r� r� Zsup)r� r% r& rM s z/_SubParsersAction._ChoicesPseudoAction.__init__)r r+ r, rM r% r% )r� r& r� s r� Nc sh | | _ | | _ t j � | _ g | _ t t | � j d | d | d t d | j d | d | � d S)Nr~ r� r� r� rj r� ) � _prog_prefix� _parser_class� _collections� OrderedDict�_name_parser_map�_choices_actionsr� r� rM r )r r~ rK � parser_classr� rj r� )r� r% r& rM " s z_SubParsersAction.__init__c K s� | j d � d k r/ d | j | f | d <n | j d f � } d | k r� | j d � } | j | | | � } | j j | � n | j | � } | | j | <x | D] } | | j | <q� W| S)NrK z%s %sr� rj )r� r� r� r� r� r r� r� )r r# �kwargsr� rj Z choice_actionr� �aliasr% r% r& � add_parser7 s z _SubParsersAction.add_parserc C s | j S)N)r� )r r% r% r& r� N s z!_SubParsersAction._get_subactionsc C s( | d } | d d � } | j t k r? t | | j | � n y | j | } WnQ t k r� i | d 6d j | j � d 6} t d � | } t | | � � Yn X| j | d � \ } } x0 t | � j � D] \ } } t | | | � q� W| r$t | � j t g � t | t � j | � n d S)Nr rN � parser_namez, r� z5unknown parser %(parser_name)r (choices: %(choices)s))r� r r/ r� r9 r r| r �parse_known_argsr� r* � setdefault�_UNRECOGNIZED_ARGS_ATTRr. r� ) r r� r0 r� r� r� r! rV �msgZ subnamespace�keyr$ r% r% r& r� Q s" z_SubParsersAction.__call__) r r+ r, r r� r rM r� r� r� r% r% )r� r& r� s r� c @ sF e Z d Z d Z d d d d d d � Z d d � Z d d � Z d S) r a� Factory for creating file object types Instances of FileType are typically passed as type= arguments to the ArgumentParser add_argument() method. Keyword Arguments: - mode -- A string indicating how the file is to be opened. Accepts the same values as the builtin open() function. - bufsize -- The file's desired buffer size. Accepts the same values as the builtin open() function. - encoding -- The file's encoding. Accepts the same values as the builtin open() function. - errors -- A string indicating how encoding and decoding errors are to be handled. Accepts the same value as the builtin open() function. �rrN Nc C s( | | _ | | _ | | _ | | _ d S)N)�_mode�_bufsize� _encoding�_errors)r �mode�bufsize�encoding�errorsr% r% r& rM � s zFileType.__init__c C s� | d k rZ d | j k r" t j Sd | j k r8 t j St d � | j } t | � � n y& t | | j | j | j | j � SWnG t k r� } z' t d � } t | | | f � � WYd d } ~ Xn Xd S)N�-r� �wzargument "-" with mode %rzcan't open '%s': %s) r� r� �stdinr� r| r: r� r� r� r� �OSErrorr )r �stringr� �er� r% r% r& r� � s zFileType.__call__c C st | j | j f } d | j f d | j f g } d j d d � | D� d d � | D� � } d t | � j | f S)Nr� r� z, c S s( g | ] } | d k r t | � � q S)rN r� )r )rT r" r% r% r& rW � s z%FileType.__repr__.<locals>.<listcomp>c S s2 g | ]( \ } } | d k r d | | f � q S)Nz%s=%rr% )rT �kwr" r% r% r& rW � s z%s(%s))r� r� r� r� r r r )r rV r� Zargs_strr% r% r& r' � s zFileType.__repr__r� )r r+ r, r- rM r� r' r% r% r% r& r v s c @ sF e Z d Z d Z d d � Z d d � Z d d � Z d d � Z d S) r z�Simple object for storing attributes. Implements equality by attribute names and values, and provides a simple string representation. c K s) x" | D] } t | | | | � q Wd S)N)r/ )r r� r# r% r% r& rM � s zNamespace.__init__c C s) t | t � s t St | � t | � k S)N)r� r �NotImplementedr� )r �otherr% r% r& �__eq__� s zNamespace.__eq__c C s t | t � s t S| | k S)N)r� r r )r r r% r% r& �__ne__� s zNamespace.__ne__c C s | | j k S)N)r) )r r� r% r% r& � __contains__� s zNamespace.__contains__N)r r+ r, r- rM r r r r% r% r% r& r � s c s� e Z d Z � f d d � Z 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 d � Z d d � Z d d! � Z d" d# � Z d$ d% � Z � S)&�_ActionsContainerc sg t t | � j � | | _ | | _ | | _ | | _ i | _ | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j d d t � | j � g | _ i | _ g | _ g | _ i | _ t j d � | _ g | _ d S) Nrn ZstoreZ store_const� store_trueZ store_falser Z append_const�countrj r� �parsersz^-\d+$|^-\d*\.\d+$) r� r rM � description�argument_default� prefix_chars�conflict_handler� _registries�registerr� r� r� r� r� r� r� r� r� r� � _get_handler�_actions�_option_string_actions�_action_groups�_mutually_exclusive_groups� _defaultsrG rH �_negative_number_matcher� _has_negative_number_optionals)r r r r r )r� r% r& rM � s2 z_ActionsContainer.__init__c C s# | j j | i � } | | | <d S)N)r r� )r � registry_namer$ r� �registryr% r% r& r � s z_ActionsContainer.registerNc C s | j | j | | � S)N)r r� )r r r$ r� r% r% r& � _registry_get� s z _ActionsContainer._registry_getc K sJ | j j | � x3 | j D]( } | j | k r | | j | _ q q Wd S)N)r �updater r� r� )r r� rn r% r% r& � set_defaults s z _ActionsContainer.set_defaultsc C sL x6 | j D]+ } | j | k r | j d k r | j Sq W| j j | d � S)N)r r� r� r r� )r r� rn r% r% r& � get_default s z _ActionsContainer.get_defaultc O s� | j } | s6 t | � d k rl | d d | k rl | rW d | k rW t d � � n | j | | � } n | j | | � } d | k r� | d } | | j k r� | j | | d <q� | j d k r� | j | d <q� n | j | � } t | � s t d | f � � n | | � } | j d | j | j � } t | � sSt d | f � � n t | d � r�y | j � j | d � Wq�t k r�t d � � Yq�Xn | j | � S) z� add_argument(dest, ..., name=value, ...) add_argument(option_string, option_string, ..., name=value, ...) rN r r� z+dest supplied twice for positional argumentr� Nzunknown action "%s"r z%r is not callabler� z,length of metavar tuple does not match nargs)r rh r: �_get_positional_kwargs�_get_optional_kwargsr r �_pop_action_class�callabler r r� r� r� � TypeError� _add_action)r rV r� �charsr� Z action_classrn � type_funcr% r% r& rp s2 - z _ActionsContainer.add_argumentc O s& t | | | � } | j j | � | S)N)�_ArgumentGroupr r )r rV r� r� r% r% r& �add_argument_groupG s z$_ActionsContainer.add_argument_groupc K s# t | | � } | j j | � | S)N)�_MutuallyExclusiveGroupr r )r r� r� r% r% r& � add_mutually_exclusive_groupL s z._ActionsContainer.add_mutually_exclusive_groupc C s� | j | � | j j | � | | _ x | j D] } | | j | <q0 WxB | j D]7 } | j j | � rQ | j s� | j j d � q� qQ qQ W| S)NT) �_check_conflictr r � containerr~ r r �matchr )r rn r� r% r% r& r% Q s z _ActionsContainer._add_actionc C s | j j | � d S)N)r �remove)r rn r% r% r& �_remove_actionf s z _ActionsContainer._remove_actionc C sO i } xO | j D]D } | j | k rG t d � } t | | j � � n | | | j <q Wi } xv | j D]k } | j | k r� | j d | j d | j d | j � | | j <n x" | j D] } | | j | | <q� Wqh WxD | j D]9 } | j d | j � } x | j D] } | | | <qWq� Wx* | j D] } | j | | � j | � q(Wd S)Nz.cannot merge actions - two groups are named %r�titler r r� )r r1 r| r: r) r r r� r r+ r� r r� r% )r r- Ztitle_group_mapr� r� Z group_maprn � mutex_groupr% r% r& �_add_container_actionsi s, z(_ActionsContainer._add_container_actionsc K s� d | k r' t d � } t | � � n | j d � t t g k rO d | d <n | j d � t k r} d | k r} d | d <n t | d | d g �S)Nr� z1'required' is an invalid argument for positionalsr� Tr� r� r~ )r| r$ r� r r r} )r r� r� r� r% r% r& r � s ! z(_ActionsContainer._get_positional_kwargsc O s^ g } g } x� | D]� } | d | j k rb i | d 6| j d 6} t d � } t | | � � n | j | � | d | j k r t | � d k r� | d | j k r� | j | � q� q� q q W| j d d � } | d k rH| r� | d } n | d } | j | j � } | s3t d � } t | | � � n | j d d � } n t | d | d | �S) Nr �optionr zNinvalid option string %(option)r: must start with a character %(prefix_chars)rrN r� z%dest= is required for options like %rr� r| r~ ) r r| r: r rh r� �lstrip�replacer} ) r rV r� r~ Zlong_option_stringsr� r� r� Zdest_option_stringr% r% r& r! � s0 z&_ActionsContainer._get_optional_kwargsc C s% | j d | � } | j d | | � S)Nrn )r� r )r r� r� rn r% r% r& r" � s z#_ActionsContainer._pop_action_classc C sV d | j } y t | | � SWn1 t k rQ t d � } t | | j � � Yn Xd S)Nz_handle_conflict_%sz%invalid conflict_resolution value: %r)r r. r� r| r: )r Zhandler_func_namer� r% r% r& r � s z _ActionsContainer._get_handlerc C sr g } xC | j D]8 } | | j k r | j | } | j | | f � q q W| rn | j � } | | | � n d S)N)r~ r r r )r rn Zconfl_optionalsr� Zconfl_optionalr r% r% r& r, � s z!_ActionsContainer._check_conflictc C sK t d d t | � � } d j d d � | D� � } t | | | � � d S)Nz conflicting option string: %sz conflicting option strings: %sz, c S s g | ] \ } } | � q Sr% r% )rT r� rn r% r% r& rW � s z<_ActionsContainer._handle_conflict_error.<locals>.<listcomp>)r rh r r )r rn �conflicting_actionsr� Zconflict_stringr% r% r& �_handle_conflict_error� s z(_ActionsContainer._handle_conflict_errorc C sZ xS | D]K \ } } | j j | � | j j | d � | j s | j j | � q q Wd S)N)r~ r/ r r� r- r0 )r rn r7 r� r% r% r& �_handle_conflict_resolve� s z*_ActionsContainer._handle_conflict_resolve)r r+ r, rM r r r r rp r) r+ r% r0 r3 r r! r" r r, r8 r9 r% r% )r� r& r � s$ 4 / ( $ r c sL e Z d Z d d � f d d � Z � f d d � Z � f d d � Z � S)r( Nc s� | j } | d | j � | d | j � | d | j � t t | � j } | d | | � | | _ g | _ | j | _ | j | _ | j | _ | j | _ | j | _ | j | _ d S)Nr r r r )r� r r r r� r( rM r1 r� r r r r r r )r r- r1 r r� r Z super_init)r� r% r& rM � s z_ArgumentGroup.__init__c s, t t | � j | � } | j j | � | S)N)r� r( r% r� r )r rn )r� r% r& r% s z_ArgumentGroup._add_actionc s* t t | � j | � | j j | � d S)N)r� r( r0 r� r/ )r rn )r� r% r& r0 s z _ArgumentGroup._remove_action)r r+ r, rM r% r0 r% r% )r� r& r( � s r( c s= e Z d Z d � f d d � Z d d � Z d d � Z � S)r* Fc s, t t | � j | � | | _ | | _ d S)N)r� r* rM r� � _container)r r- r� )r� r% r& rM s z _MutuallyExclusiveGroup.__init__c C sJ | j r$ t d � } t | � � n | j j | � } | j j | � | S)Nz-mutually exclusive arguments must be optional)r� r| r: r: r% r� r )r rn r� r% r% r& r% ! s z#_MutuallyExclusiveGroup._add_actionc C s$ | j j | � | j j | � d S)N)r: r0 r� r/ )r rn r% r% r& r0 ) s z&_MutuallyExclusiveGroup._remove_action)r r+ r, rM r% r0 r% r% )r� r& r* s r* c s� e Z d Z d Z d d d d g e d d d d d � f d d � Z d d � Z d d � Z d d � Z d d � Z d d � Z d d d d � Z d 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 d0 d1 � Z d d2 d3 � Z d d4 d5 � Z d d6 d7 � Z d8 d d9 d: � Z d; d< � Z � S)=r aa Object for parsing command line strings into Python objects. Keyword Arguments: - prog -- The name of the program (default: sys.argv[0]) - usage -- A usage message (default: auto-generated from arguments) - description -- A description of what the program does - epilog -- Text following the argument descriptions - parents -- Parsers whose arguments should be copied into this one - formatter_class -- HelpFormatter class for printing help messages - prefix_chars -- Characters that prefix optional arguments - fromfile_prefix_chars -- Characters that prefix files containing additional arguments - argument_default -- The default value for all arguments - conflict_handler -- String indicating how to handle conflicts - add_help -- Add a -h/-help option Nr� �errorTc s� t t | � j } | d | d | d | d | � | d k rY t j j t j d � } n | | _ | | _ | | _ | | _ | | _ | | _ | j } | t d � � | _ | t d � � | _ d | _ d d � } | j d d | � d | k r� d n | d } | j rF| j | d | d d d d d t d t d � �n xM | D]E } | j | � y | j } Wn t k r�YqMX| j j | � qMWd S)Nr r r r r zpositional argumentszoptional argumentsc S s | S)Nr% )r r% r% r& �identityd s z)ArgumentParser.__init__.<locals>.identityr r� �hr2 rj rn r� z show this help message and exit)r� r rM r7 �path�basenamer� �argvrK rc �epilog�formatter_class�fromfile_prefix_chars�add_helpr) r| � _positionals� _optionals� _subparsersr rp r r3 r r� r )r rK rc r rA �parentsrB r rC r r rD Z superinitZ add_groupr< Zdefault_prefixrR Zdefaults)r� r% r& rM @ s@ zArgumentParser.__init__c s/ d d d d d d g } � f d d � | D� S) NrK rc r rB r rD c s% g | ] } | t � | � f � q Sr% )r. )rT r# )r r% r& rW � s z.ArgumentParser._get_kwargs.<locals>.<listcomp>r% )r r� r% )r r& r ~ s zArgumentParser._get_kwargsc K sG | j d k r% | j t d � � n | j d t | � � d | k sS d | k r� t | j d d � � } t | j d d � � } | j | | � | _ n | j | _ | j d � d k r| j � } | j � } | j } | j | j | | d � | j � j � | d <n | j | d � } | d g | � } | j j | � | S) Nz(cannot have multiple subparser argumentsr� r1 r Z subcommandsrK rX r r~ )rG r; r| r� r r� r) rE r� r� �_get_positional_actionsr rg rc r[ rs r" r% ) r r� r1 r rQ r� re Z parsers_classrn r% r% r& �add_subparsers� s$ z ArgumentParser.add_subparsersc C s0 | j r | j j | � n | j j | � | S)N)r~ rF r% rE )r rn r% r% r& r% � s zArgumentParser._add_actionc C s d d � | j D� S)Nc S s g | ] } | j r | � q Sr% )r~ )rT rn r% r% r& rW � s z8ArgumentParser._get_optional_actions.<locals>.<listcomp>)r )r r% r% r& �_get_optional_actions� s z$ArgumentParser._get_optional_actionsc C s d d � | j D� S)Nc S s g | ] } | j s | � q Sr% )r~ )rT rn r% r% r& rW � s z:ArgumentParser._get_positional_actions.<locals>.<listcomp>)r )r r% r% r& rI � s z&ArgumentParser._get_positional_actionsc C sK | j | | � \ } } | rG t d � } | j | d j | � � n | S)Nzunrecognized arguments: %sru )r� r| r; r )r rV r0 r@ r� r% r% r& � parse_args� s zArgumentParser.parse_argsc C s} | d k r" t j d d � } n t | � } | d k rF t � } n x` | j D]U } | j t k rP t | | j � s� | j t k r� t | | j | j � q� q� qP qP Wx: | j D]/ } t | | � s� t | | | j | � q� q� Wy[ | j | | � \ } } t | t � r6| j t | t � � t | t � n | | f SWn5 t k rxt j � d } | j t | � � Yn Xd S)NrN )r� r@ r� r r r� r r� r� r/ r �_parse_known_argsr� r� r. �delattrr �exc_infor; r� )r rV r0 rn r� �errr% r% r& r� � s, # z ArgumentParser.parse_known_argsc sF � j d k r! � j � � � n i � x~ � j D]s } | j } xa t | j � D]P \ } } � j | g � } | j | d | � � | j | | d d � � qP Wq1 Wi � g } t � � } x� t | � D]� \ } } | d k r| j d � x_ | D] } | j d � q� Wq� � j | � } | d k r7d } n | � | <d } | j | � q� Wd j | � � t � � t � � d � � � � � f d d � � � � � � � � f d d � } � j � � � � � � � f d d � } g � d � � rt � � } n d } x� � | k r�t � f d d � � D� � } � | k rs| � � } | � k rj| � qqs| � n � � k r�� � | � } � j | � | � n | � � � qW| � � } � j � | d � � g } x� � j D]� } | � k r�| j r| j t | � � q�| j d k r�t | j t � r�t � | j � r�| j t � | j � k r�t � | j � j | | j � � q�q�q�W| r�� j t d � d j | � � n x} � j D]r } | j r�x` | j D] } | � k r�Pq�q�Wd d � | j D� } t d � } � j | d j | � � q�q�W� � f S)NrN z--r� �A�OrX c s� � j | � � j | | � } | | j k r� � j | � xW � j | g � D]@ } | � k rN t d � } t | � } t | | | � � qN qN Wn | t k r� | � � | | � n d S)Nz not allowed with argument %s)r� � _get_valuesr� r� r| r� r r )rn Zargument_stringsr� Zargument_valuesZconflict_actionr� Z action_name)�action_conflictsr0 � seen_actions�seen_non_default_actionsr r% r& � take_action s z5ArgumentParser._parse_known_args.<locals>.take_actionc s � | } | \ } } } � j } g } x�| d k rP � j � | � | d S| d k ry| | d � } � j } | d k r | d | k r | j | g | f � | d } | | d } | d d � p� d } � j } | | k r� | | } | } qvt d � } t | | | � � q�| d k rW| d } | g } | j | | | f � Pq�t d � } t | | | � � q+ | d } � | d � } | | | � } | | } � | | � } | j | | | f � Pq+ Wx' | D] \ } } } � | | | � q�W| S)NrN rQ r z ignored explicit argument %r)�_match_argumentr r r r| r )� start_index� option_tuplern r� � explicit_argZmatch_argumentZ action_tuples� arg_countr& �charZnew_explicit_argZ optionals_mapr� �stoprV r� Zselected_patterns)r! �arg_strings_pattern�extras�option_string_indicesr rW r% r& �consume_optional- sN z:ArgumentParser._parse_known_args.<locals>.consume_optionalc s� � j } � | d � } | � | � } xH t � | � D]7 \ } } � | | | � } | | 7} � | | � q8 W� t | � d � � d d � <| S)N)�_match_arguments_partial�ziprh )rY Z match_partialZselected_patternZ arg_countsrn r\ rV )r! r_ r� r rW r% r& �consume_positionalsz s z=ArgumentParser._parse_known_args.<locals>.consume_positionalsr c s" g | ] } | � k r | � q Sr% r% )rT r� )rY r% r& rW � s z4ArgumentParser._parse_known_args.<locals>.<listcomp>z(the following arguments are required: %sz, c S s+ g | ]! } | j t k r t | � � q Sr% )rj r r� )rT rn r% r% r& rW � s z#one of the arguments %s is requiredru r� ) rC �_read_args_from_filesr r� r� r� r� �iterr �_parse_optionalr r� rI r? r> r r� r� r� r� r� r� r� r. r/ � _get_valuer; r| )r r! r0 r2 r� r� Z mutex_actionZ conflictsZarg_string_pattern_partsZarg_strings_iter� arg_stringrZ �patternrb re Zmax_option_string_indexZnext_option_string_indexZpositionals_end_indexZstringsZ stop_indexZrequired_actionsrn r� r� r� r% ) rT r! r_ r` r0 ra r� rU rV r rY rW r& rM � s� # !!J !z ArgumentParser._parse_known_argsc C s g } x� | D]� } | s- | d | j k r= | j | � q y� t | d d � � �m } g } xA | j � j � D]- } x$ | j | � D] } | j | � q� Wqr W| j | � } | j | � Wd QXWq t k r� t j � d } | j t | � � Yq Xq W| S)Nr rN ) rC r r� �readr� �convert_arg_line_to_argsrf r� r� r� rO r; r� )r r! Znew_arg_stringsrj Z args_file�arg_liner" rP r% r% r& rf � s z$ArgumentParser._read_args_from_filesc C s | g S)Nr% )r rn r% r% r& rm � s z'ArgumentParser.convert_arg_line_to_argsc C s� | j | � } t j | | � } | d k r� i t d � d 6t d � t 6t d � t 6} t d d | j � | j } | j | j | � } t | | � � n t | j d � � S)Nzexpected one argumentz expected at most one argumentz expected at least one argumentzexpected %s argumentzexpected %s argumentsrN ) �_get_nargs_patternrG r. r| r r r r� r� r rh r� )r rn r_ � nargs_patternr. Z nargs_errorsr� r� r% r% r& rX � s z ArgumentParser._match_argumentc s� g } x� t t | � d d � D]z } | d | � } d j � f d d � | D� � } t j | | � } | d k r | j d d � | j � D� � Pq q W| S)Nr rN rX c s g | ] } � j | � � q Sr% )ro )rT rn )r r% r& rW s z;ArgumentParser._match_arguments_partial.<locals>.<listcomp>c S s g | ] } t | � � q Sr% )rh )rT r r% r% r& rW s r� )r� rh r rG r. r� re )r rd r_ r� r� Z actions_slicerk r. r% )r r& rc s z'ArgumentParser._match_arguments_partialc C s | s d S| d | j k r! d S| | j k rJ | j | } | | d f St | � d k r` d Sd | k r� | j d d � \ } } | | j k r� | j | } | | | f Sn | j | � } t | � d k r!d j d d � | D� � } i | d 6| d 6} t d � } | j | | � n t | � d k r@| \ } | S| j j | � rb| j sbd Sn d | k rrd Sd | d f S) Nr rN �=z, c S s g | ] \ } } } | � q Sr% r% )rT rn r� r[ r% r% r& rW @ s z2ArgumentParser._parse_optional.<locals>.<listcomp>r4 Zmatchesz4ambiguous option: %(option)s could match %(matches)sru ) r r rh �split�_get_option_tuplesr r| r; r r. r ) r rj rn r� r[ Z option_tuplesZoptionsrV r� rZ r% r% r& rh ! s< z ArgumentParser._parse_optionalc C s� g } | j } | d | k r� | d | k r� d | k rV | j d d � \ } } n | } d } x<| j D]A } | j | � rl | j | } | | | f } | j | � ql ql Wn� | d | k r�| d | k r�| } d } | d d � } | d d � } x� | j D]y } | | k rH| j | } | | | f } | j | � q | j | � r | j | } | | | f } | j | � q q Wn | j t d � | � | S)Nr rN rq r2 z unexpected option string: %s)r rr r � startswithr r; r| ) r r� r� r& Z option_prefixr[ rn r� Zshort_option_prefixZshort_explicit_argr% r% r& rs [ s8 z!ArgumentParser._get_option_tuplesc C s� | j } | d k r d } n� | t k r3 d } nk | t k rH d } nV | t k r] d } nA | t k rr d } n, | t k r� d } n d d j d | � } | j r� | j d d � } | j d d � } n | S) Nz(-*A-*)z(-*A?-*)z (-*[A-]*)z (-*A[A-]*)z([-AO]*)z (-*A[-AO]*)z(-*%s-*)z-*rQ rX r� ) r� r r r r r r r~ r6 )r rn r� rp r% r% r& ro � s$ z!ArgumentParser._get_nargs_patternc s � j t t g k r> y | j d � Wq> t k r: Yq> Xn | r� � j t k r� � j ri � j } n � j } t | t � r�� j � | � } � j � | � q�nV| r� � j t k r� � j r� � j d k r� � j } n | } � j � | � nt | � d k rR� j d t g k rR| \ } � j � | � } � j � | � n� � j t k r�� � f d d � | D� } n � j t k r�� � f d d � | D� } � j � | d � n= � � f d d � | D� } x | D] } � j � | � q�W| S)Nz--rN c s" g | ] } � j � | � � q Sr% )ri )rT �v)rn r r% r& rW � s z.ArgumentParser._get_values.<locals>.<listcomp>c s" g | ] } � j � | � � q Sr% )ri )rT ru )rn r r% r& rW � s r c s" g | ] } � j � | � � q Sr% )ri )rT ru )rn r r% r& rW � s )r� r r r/ r: r r~ r� r� r� r� ri � _check_valuer rh )r rn r! r$ rj ru r% )rn r r& rS � s> ' zArgumentParser._get_valuesc C s | j d | j | j � } t | � sI t d � } t | | | � � n y | | � } Wn� t k r� t | j d t | j � � } t t j � d � } t | | � � Yni t t f k rt | j d t | j � � } i | d 6| d 6} t d � } t | | | � � Yn X| S)Nr z%r is not callabler rN r$ z!invalid %(type)s value: %(value)r) r r r# r| r r r. r r� r� rO r$ r: )r rn rj r' r� r� r# rV r% r% r& ri � s zArgumentParser._get_valuec C sm | j d k ri | | j k ri i | d 6d j t t | j � � d 6} t d � } t | | | � � n d S)Nr$ z, r� z3invalid choice: %(value)r (choose from %(choices)s))r� r �mapr r| r )r rn r$ rV r� r% r% r& rv s zArgumentParser._check_valuec C s2 | j � } | j | j | j | j � | j � S)N)r� rg rc r r r[ )r rQ r% r% r& � format_usage s zArgumentParser.format_usagec C s� | j � } | j | j | j | j � | j | j � xK | j D]@ } | j | j � | j | j � | j | j � | j � qB W| j | j � | j � S)N)r� rg rc r r ra r r r] r1 rq r� r^ rA r[ )r rQ Z action_groupr% r% r& r[ s zArgumentParser.format_helpc C s | j d | j � S)NrK )rB rK )r r% r% r& r� ) s z ArgumentParser._get_formatterc C s2 | d k r t j } n | j | j � | � d S)N)r� r� r� rx )r �filer% r% r& � print_usage/ s zArgumentParser.print_usagec C s2 | d k r t j } n | j | j � | � d S)N)r� r� r� r[ )r ry r% r% r& r� 4 s zArgumentParser.print_helpc C s2 | r. | d k r t j } n | j | � n d S)N)r� �stderr�write)r r� ry r% r% r& r� 9 s z ArgumentParser._print_messager c C s- | r | j | t j � n t j | � d S)N)r� r� r{ r� )r Zstatusr� r% r% r& r� B s zArgumentParser.exitc C sE | j t j � i | j d 6| d 6} | j d t d � | � d S)z�error(message: string) Prints a usage message incorporating the message to stderr and exits. If you override this in a subclass, it should not return -- it should either exit or raise an exception. rK r� r2 z %(prog)s: error: %(message)s N)rz r� r{ rK r� r| )r r� rV r% r% r& r; G s zArgumentParser.error) r r+ r, r- r rM r rJ r% rK rI rL r� rM rf rm rX rc rh rs ro rS ri rv rx r[ r� rz r� r� r� r; r% r% )r� r& r . sL 3 # � : , , 4 )6r- � __version__�__all__� collectionsr� r� r� �osr7 �rerG �sysr� �textwrapr� r r| r r r r r r r r� r� r r1 r r r r r r� � Exceptionr r r r� r� r� r� r� r� r� r� r� r� r r r r( r* r r% r% r% r& �<module>> sz � � [#%`6� 4"