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Provides the Command class, the base class for the command classes
in the distutils.command package.
s$Id$i����N(tDistutilsOptionError(tutiltdir_utilt	file_utiltarchive_utiltdep_util(tlogtCommandcBsyeZdZgZd�Zd�Zd�Zd�Zd�Zd#dd�Z
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�Zd�Zd#d�Zd�Zd�Zd�Zd�Zd	d�Zdd�Zd�Zd�Zd�Zd#d	d�Zdd�Zd	d	d#d	d�Zd	d	dd	d�Zd	d�Zd	d	d �Z d#d#d#d#d!�Z!d#d#d	d"�Z"RS($s}Abstract base class for defining command classes, the "worker bees"
    of the Distutils.  A useful analogy for command classes is to think of
    them as subroutines with local variables called "options".  The options
    are "declared" in 'initialize_options()' and "defined" (given their
    final values, aka "finalized") in 'finalize_options()', both of which
    must be defined by every command class.  The distinction between the
    two is necessary because option values might come from the outside
    world (command line, config file, ...), and any options dependent on
    other options must be computed *after* these outside influences have
    been processed -- hence 'finalize_options()'.  The "body" of the
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    options, is the 'run()' method, which must also be implemented by every
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    cCs�ddlm}t||�s+td�n|jtkrFtd�n||_|j�d|_
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d|_dS(s�Create and initialize a new Command object.  Most importantly,
        invokes the 'initialize_options()' method, which is the real
        initializer and depends on the actual command being
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        i����(tDistributions$dist must be a Distribution instancesCommand is an abstract classiN(tdistutils.distRt
isinstancet	TypeErrort	__class__RtRuntimeErrortdistributiontinitialize_optionstNonet_dry_runtverbosetforcethelpt	finalized(tselftdistR((s%/usr/lib64/python2.7/distutils/cmd.pyt__init__1s	

			cCsO|dkrBt|d|�}|dkr;t|j|�S|Sn	t|�dS(Ntdry_runt_(tgetattrRRtAttributeError(Rtattrtmyval((s%/usr/lib64/python2.7/distutils/cmd.pyt__getattr__ascCs#|js|j�nd|_dS(Ni(Rtfinalize_options(R((s%/usr/lib64/python2.7/distutils/cmd.pytensure_finalizedks	
cCstd|j�dS(s�Set default values for all the options that this command
        supports.  Note that these defaults may be overridden by other
        commands, by the setup script, by config files, or by the
        command-line.  Thus, this is not the place to code dependencies
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cCstd|j�dS(sSet final values for all the options that this command supports.
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        'foo' depends on 'bar', then it is safe to set 'foo' from 'bar' as
        long as 'foo' still has the same value it was assigned in
        'initialize_options()'.

        This method must be implemented by all command classes.
        s,abstract method -- subclass %s must overrideN(R
R(R((s%/usr/lib64/python2.7/distutils/cmd.pyR �stcCs�ddlm}|dkr/d|j�}n|j||dtj�|d}xy|jD]n\}}}|j|�}|ddkr�|d }nt	||�}|j|d||fdtj�q]WdS(Ni����(t
longopt_xlatescommand options for '%s':tlevels  t=s%s = %s(
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cCstd|j�dS(s�A command's raison d'etre: carry out the action it exists to
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ensure_string�scCs�t||�}|dkrdSt|t�rMt||tjd|��ndt|t�r�d}x0|D]}t|t�sid}PqiqiWnd}|s�td||f�ndS(s�Ensure that 'option' is a list of strings.  If 'option' is
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R:R9tretsplittlistR(RR.R=toktelement((s%/usr/lib64/python2.7/distutils/cmd.pytensure_string_list�s 
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scCs$t|d�r|jS|jjSdS(Ntcommand_name(thasattrRQRt__name__(R((s%/usr/lib64/python2.7/distutils/cmd.pyR'scGsh|jj|�}|j�xE|D]=\}}t||�dkr#t||t||��q#q#WdS(s>Set the values of any "undefined" options from corresponding
        option values in some other command object.  "Undefined" here means
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        has not been changed between 'initialize_options()' and
        'finalize_options()'.  Usually called from 'finalize_options()' for
        options that depend on some other command rather than another
        option of the same command.  'src_cmd' is the other command from
        which option values will be taken (a command object will be created
        for it if necessary); the remaining arguments are
        '(src_option,dst_option)' tuples which mean "take the value of
        'src_option' in the 'src_cmd' command object, and copy it to
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        N(Rtget_command_objR!RRR9(Rtsrc_cmdtoption_pairstsrc_cmd_objt
src_optiont
dst_option((s%/usr/lib64/python2.7/distutils/cmd.pytset_undefined_optionss
	cCs#|jj||�}|j�|S(s�Wrapper around Distribution's 'get_command_obj()' method: find
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        'command', call its 'ensure_finalized()' method, and return the
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        (RRTR!(Rtcommandtcreatetcmd_obj((s%/usr/lib64/python2.7/distutils/cmd.pytget_finalized_command1s
icCs|jj||�S(N(Rtreinitialize_command(RR[treinit_subcommands((s%/usr/lib64/python2.7/distutils/cmd.pyR_=s	cCs|jj|�dS(s�Run some other command: uses the 'run_command()' method of
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preserve_modetpreserve_timestlinkR$((s%/usr/lib64/python2.7/distutils/cmd.pyRobsc	Cs)tj||||||jd|j�S(s\Copy an entire directory tree respecting verbose, dry-run,
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tj|�dS(s�Special case of 'execute()' for operations that process one or
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