{fc@sdZdZddlZddlZddlZddlmZddlmZm Z m Z m Z m Z ddlm Z dfdYZd efd YZdS( stdistutils.cmd Provides the Command class, the base class for the command classes in the distutils.command package. s$Id$iN(tDistutilsOptionError(tutiltdir_utilt file_utilt archive_utiltdep_util(tlogtCommandcBsyeZdZgZdZdZdZdZdZd#ddZ dZ d d Z d Z d#d Zd#d ZdZd#dZdZdZdZdZd dZddZdZdZdZd#d dZddZd d d#d dZd d dd dZd dZd d d Z d#d#d#d#d!Z!d#d#d d"Z"RS($s}Abstract base class for defining command classes, the "worker bees" of the Distutils. A useful analogy for command classes is to think of them as subroutines with local variables called "options". The options are "declared" in 'initialize_options()' and "defined" (given their final values, aka "finalized") in 'finalize_options()', both of which must be defined by every command class. The distinction between the two is necessary because option values might come from the outside world (command line, config file, ...), and any options dependent on other options must be computed *after* these outside influences have been processed -- hence 'finalize_options()'. The "body" of the subroutine, where it does all its work based on the values of its options, is the 'run()' method, which must also be implemented by every command class. cCsddlm}t||s+tdn|jtkrFtdn||_|jd|_ |j |_ d|_ d|_ d|_dS(sCreate and initialize a new Command object. Most importantly, invokes the 'initialize_options()' method, which is the real initializer and depends on the actual command being instantiated. i(t Distributions$dist must be a Distribution instancesCommand is an abstract classiN(tdistutils.distRt isinstancet TypeErrort __class__Rt RuntimeErrort distributiontinitialize_optionstNonet_dry_runtverbosetforcethelpt finalized(tselftdistR((s%/usr/lib64/python2.7/distutils/cmd.pyt__init__1s       cCsO|dkrBt|d|}|dkr;t|j|S|Sn t|dS(Ntdry_runt_(tgetattrRRtAttributeError(Rtattrtmyval((s%/usr/lib64/python2.7/distutils/cmd.pyt __getattr__as   cCs#|js|jnd|_dS(Ni(Rtfinalize_options(R((s%/usr/lib64/python2.7/distutils/cmd.pytensure_finalizedks  cCstd|jdS(sSet 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 between options; generally, 'initialize_options()' implementations are just a bunch of "self.foo = None" assignments. 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 cCstd|jdS(sSet final values for all the options that this command supports. This is always called as late as possible, ie. after any option assignments from the command-line or from other commands have been done. Thus, this is the place to code option dependencies: if '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 tcCsddlm}|dkr/d|j}n|j||dtj|d}xy|jD]n\}}}|j|}|ddkr|d }nt ||}|j|d||fdtjq]WdS(Ni(t longopt_xlatescommand options for '%s':tlevels t=s%s = %s( tdistutils.fancy_getoptR#Rtget_command_nametannounceRtINFOt user_optionst translateR(RtheadertindentR#toptionRtvalue((s%/usr/lib64/python2.7/distutils/cmd.pyt dump_optionss   cCstd|jdS(sA command's raison d'etre: carry out the action it exists to perform, controlled by the options initialized in 'initialize_options()', customized by other commands, the setup script, the command-line, and config files, and finalized in 'finalize_options()'. All terminal output and filesystem interaction should be done by 'run()'. 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.pytruns icCstj||dS(smIf the current verbosity level is of greater than or equal to 'level' print 'msg' to stdout. N(R(RtmsgR$((s%/usr/lib64/python2.7/distutils/cmd.pyR(scCs/ddlm}|r+|GHtjjndS(s~Print 'msg' to stdout if the global DEBUG (taken from the DISTUTILS_DEBUG environment variable) flag is true. i(tDEBUGN(tdistutils.debugR3tsyststdouttflush(RR2R3((s%/usr/lib64/python2.7/distutils/cmd.pyt debug_printscCs[t||}|dkr/t||||St|tsWtd|||fn|S(Ns'%s' must be a %s (got `%s`)(RRtsetattrR tstrR(RR.twhattdefaulttval((s%/usr/lib64/python2.7/distutils/cmd.pyt_ensure_stringlikes cCs|j|d|dS(sWEnsure that 'option' is a string; if not defined, set it to 'default'. tstringN(R>(RR.R<((s%/usr/lib64/python2.7/distutils/cmd.pyt ensure_stringscCst||}|dkrdSt|trMt||tjd|ndt|trd}x0|D]}t|tsid}PqiqiWnd}|std||fndS(sEnsure that 'option' is a list of strings. 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Ns,\s*|\s+iis''%s' must be a list of strings (got %r)( RRR R:R9tretsplittlistR(RR.R=toktelement((s%/usr/lib64/python2.7/distutils/cmd.pytensure_string_lists    cCsL|j|||}|dk rH|| rHtd|||fndS(Nserror in '%s' option: (R>RR(RR.ttesterR;t error_fmtR<R=((s%/usr/lib64/python2.7/distutils/cmd.pyt_ensure_tested_stringscCs |j|tjjdddS(s5Ensure that 'option' is the name of an existing file.tfilenames$'%s' does not exist or is not a fileN(RItostpathtisfile(RR.((s%/usr/lib64/python2.7/distutils/cmd.pytensure_filenamescCs |j|tjjdddS(Nsdirectory names)'%s' does not exist or is not a directory(RIRKRLtisdir(RR.((s%/usr/lib64/python2.7/distutils/cmd.pytensure_dirname scCs$t|dr|jS|jjSdS(Nt command_name(thasattrRQR t__name__(R((s%/usr/lib64/python2.7/distutils/cmd.pyR'scGsh|jj|}|jxE|D]=\}}t||dkr#t||t||q#q#WdS(s>Set the values of any "undefined" options from corresponding option values in some other command object. 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N(Rtget_command_objR!RRR9(Rtsrc_cmdt option_pairst src_cmd_objt src_optiont dst_option((s%/usr/lib64/python2.7/distutils/cmd.pytset_undefined_optionss   cCs#|jj||}|j|S(sWrapper around Distribution's 'get_command_obj()' method: find (create if necessary and 'create' is true) the command object for 'command', call its 'ensure_finalized()' method, and return the finalized command object. (RRTR!(Rtcommandtcreatetcmd_obj((s%/usr/lib64/python2.7/distutils/cmd.pytget_finalized_command1s icCs|jj||S(N(Rtreinitialize_command(RR[treinit_subcommands((s%/usr/lib64/python2.7/distutils/cmd.pyR_=s cCs|jj|dS(sRun some other command: uses the 'run_command()' method of Distribution, which creates and finalizes the command object if necessary and then invokes its 'run()' method. N(Rt run_command(RR[((s%/usr/lib64/python2.7/distutils/cmd.pyRaAscCsLg}x?|jD]4\}}|dks4||r|j|qqW|S(skDetermine the sub-commands that are relevant in the current distribution (ie., that need to be run). 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R(Rt copy_treeRR(RRpRqRrRstpreserve_symlinksR$((s%/usr/lib64/python2.7/distutils/cmd.pyRuos   cCstj||d|jS(s$Move a file respecting dry-run flag.R(Rt move_fileR(RtsrctdstR$((s%/usr/lib64/python2.7/distutils/cmd.pyRw{scCs*ddlm}|||d|jdS(s2Spawn an external command respecting dry-run flag.i(tspawnRN(tdistutils.spawnRzR(Rtcmdt search_pathR$Rz((s%/usr/lib64/python2.7/distutils/cmd.pyRzsc Cs+tj||||d|jd|d|S(NRtownertgroup(Rt make_archiveR(Rt base_nametformattroot_dirtbase_dirR~R((s%/usr/lib64/python2.7/distutils/cmd.pyRscCs|dkrd|}nt|tr4|f}n!t|ttfsUtdn|dkr}d|dj|f}n|jstj ||r|j ||||n t j |dS(sSpecial case of 'execute()' for operations that process one or more input files and generate one output file. Works just like 'execute()', except the operation is skipped and a different message printed if 'outfile' already exists and is newer than all files listed in 'infiles'. 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