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a �DOgG�@sdZdZgd�ZddlZddlZddlZddl m Z mZdZdZ dZd Zd ZdZdZGd d�de�Zdd�ZGdd�de�ZGdd�de�ZGdd�de�ZGdd�de�ZGdd�de�Zdd�ZGdd�de�ZGdd �d e�ZGd!d"�d"e�ZGd#d$�d$e�Z Gd%d&�d&e�Z!Gd'd(�d(e�Z"Gd)d*�d*e"�Z#Gd+d,�d,e"�Z$Gd-d.�d.e�Z%Gd/d0�d0e�Z&Gd1d2�d2e�Z'Gd3d4�d4e�Z(Gd5d6�d6e�Z)Gd7d8�d8e�Z*Gd9d:�d:e%�Z+Gd;d<�d<e�Z,Gd=d>�d>e�Z-Gd?d@�d@e�Z.GdAdB�dBe.�Z/GdCdD�dDe/�Z0GdEdF�dFee.�Z1dS)Ga� 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. cCs>|j}d|jvr:|jtur:ttg}|js2|j|vr:|d7}|S)Nz %(default)� (default: %(default)s))rxr�rrrr�r�)r'r~rx�defaulting_nargsr.r.r/r��s z.ArgumentDefaultsHelpFormatter._get_help_stringN)r r6r7r8r�r.r.r.r/r�src@s eZdZdZdd�Zdd�ZdS)r aHelp 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. cCs|jjSr1�rr r�r.r.r/r��sz:MetavarTypeHelpFormatter._get_default_metavar_for_optionalcCs|jjSr1rr�r.r.r/r��sz<MetavarTypeHelpFormatter._get_default_metavar_for_positionalN)r r6r7r8r�r�r.r.r.r/r �sr cCsh|durdS|jrd�|j�S|jdtfvr2|jS|jdtfvrF|jS|jr`dd�|j�dSdSdS)N�/�{r��})r�r&r�rr�r�)�argumentr.r.r/�_get_action_name�src@s eZdZdZdd�Zdd�ZdS)rz�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. cCst|�|_||_dSr1)r� argument_name�message)r'rr r.r.r/rW�s zArgumentError.__init__cCs(|jdurd}nd}|t|j|jd�S)Nz%(message)sz'argument %(argument_name)s: %(message)s)r r )r r�r )r'r�r.r.r/�__str__�s �zArgumentError.__str__N)r r6r7r8rWrr.r.r.r/r�src@seZdZdZdS)rz@An error from trying to convert a command line string to a type.N)r r6r7r8r.r.r.r/r�src@s4eZdZdZddd�Zdd�Zdd �Zd d d�ZdS)ra\ 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. 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