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Edit File: cmd.cpython-310.pyc
o bcF @ sb d Z ddlZddlZddlZddlmZ ddlmZmZm Z m Z m Z ddlm Z G dd dZ dS )ztdistutils.cmd Provides the Command class, the base class for the command classes in the distutils.command package. N)DistutilsOptionError)utildir_util file_util archive_utildep_utillogc @ s2 e Zd ZdZg Zdd Zdd Zdd Zdd Zd d Z dCddZ dd Z dDddZ dd Z dEddZdEddZdd Z dEd d Zd d Zd!d" Zd#d$ Zd%d& ZdDd'd(ZdFd*d+Zd,d- Zd.d/ Zd0d1 ZdGd2d3ZdHd5d6Z dId7d8Z dJd9d:Z dDd;d<Z dKd=d>Z dLd?d@Z! dMdAdBZ"d S )NCommanda} 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. c C sb ddl m} t||std| jtu rtd|| _| d| _ |j | _ d| _ d| _ d| _ dS )zCreate 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. r ) Distributionz$dist must be a Distribution instancez Command is an abstract classN)distutils.distr isinstance TypeError __class__r RuntimeError distributioninitialize_options_dry_runverboseforcehelp finalized)selfdistr r $/usr/lib/python3.10/distutils/cmd.py__init__/ s zCommand.__init__c C s6 |dkrt | d| }|d u rt | j|S |S t|)Ndry_run_)getattrr AttributeError)r attrmyvalr r r __getattr___ s zCommand.__getattr__c C s | j s| d| _ d S N )r finalize_optionsr r r r ensure_finalizedi s zCommand.ensure_finalizedc C t d| j )a 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 between options; generally, 'initialize_options()' implementations are just a bunch of "self.foo = None" assignments. This method must be implemented by all command classes. ,abstract method -- subclass %s must overrider r r' r r r r { zCommand.initialize_optionsc C r) )a Set 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. r* r+ r' r r r r& s zCommand.finalize_optionsN c C s ddl m} |d u rd| }| j|| tjd |d }| jD ])\}}}||}|d dkr7|d d }t| |}| j|d||f tjd q!d S ) Nr ) longopt_xlatezcommand options for '%s':)levelz =z%s = %s) distutils.fancy_getoptr. get_command_nameannouncer INFO user_options translater )r headerindentr. optionr valuer r r dump_options s zCommand.dump_optionsc C r) )a A 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. r* r+ r' r r r run r, z Command.runr% c C s t || dS )zmIf the current verbosity level is of greater than or equal to 'level' print 'msg' to stdout. Nr )r msgr/ r r r r4 s zCommand.announcec C s* ddl m} |rt| tj dS dS )z~Print 'msg' to stdout if the global DEBUG (taken from the DISTUTILS_DEBUG environment variable) flag is true. r )DEBUGN)distutils.debugr? printsysstdoutflush)r r> r? r r r debug_print s zCommand.debug_printc C sB t | |}|d u rt| || |S t|ts td|||f |S )Nz '%s' must be a %s (got `%s`))r setattrr strr )r r: whatdefaultvalr r r _ensure_stringlike s zCommand._ensure_stringlikec C s | |d| dS )zWEnsure that 'option' is a string; if not defined, set it to 'default'. stringN)rK )r r: rI r r r ensure_string s zCommand.ensure_stringc C sr t | |}|du r dS t|tr t| |td| dS t|tr+tdd |D }nd}|s7td||f dS )zEnsure that 'option' is a list of strings. If 'option' is currently a string, we split it either on /,\s*/ or /\s+/, so "foo bar baz", "foo,bar,baz", and "foo, bar baz" all become ["foo", "bar", "baz"]. Nz,\s*|\s+c s s | ]}t |tV qd S N)r rG ).0vr r r <genexpr> s z-Command.ensure_string_list.<locals>.<genexpr>Fz''%s' must be a list of strings (got %r)) r r rG rF resplitlistallr )r r: rJ okr r r ensure_string_list s zCommand.ensure_string_listc C s: | |||}|d ur||std| ||f d S d S )Nzerror in '%s' option: )rK r )r r: testerrH error_fmtrI rJ r r r _ensure_tested_string s z Command._ensure_tested_stringc C s | |tjjdd dS )z5Ensure that 'option' is the name of an existing file.filenamez$'%s' does not exist or is not a fileN)rZ ospathisfiler r: r r r ensure_filename s zCommand.ensure_filenamec C s | |tjjdd d S )Nzdirectory namez)'%s' does not exist or is not a directory)rZ r\ r] isdirr_ r r r ensure_dirname s zCommand.ensure_dirnamec C s t | dr| jS | jjS )N command_name)hasattrrc r __name__r' r r r r3 s zCommand.get_command_namec G sF | j |}| |D ]\}}t| |du r t| |t|| q dS )a> Set the values of any "undefined" options from corresponding option values in some other command object. "Undefined" here means "is None", which is the convention used to indicate that an option 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 'dst_option' in the current command object". N)r get_command_objr( r rF )r src_cmd option_pairs src_cmd_obj src_option dst_optionr r r set_undefined_options s z Command.set_undefined_optionsc C s | j ||}| |S )zWrapper 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. )r rf r( )r commandcreatecmd_objr r r get_finalized_command$ s z Command.get_finalized_commandr c C s | j ||S rN )r reinitialize_command)r rm reinit_subcommandsr r r rq 0 s z Command.reinitialize_commandc C s | j | dS )zRun 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)r run_command)r rm r r r rs 4 s zCommand.run_commandc C s2 g }| j D ]\}}|du s|| r|| q|S )ak Determine the sub-commands that are relevant in the current distribution (ie., that need to be run). This is based on the 'sub_commands' class attribute: each tuple in that list may include a method that we call to determine if the subcommand needs to be run for the current distribution. Return a list of command names. N) sub_commandsappend)r commandscmd_namemethodr r r get_sub_commands; s zCommand.get_sub_commandsc C s t d| | d S )Nzwarning: %s: %s )r warnr3 )r r> r r r rz K z Command.warnc C s t j|||| jd d S Nr )r executer )r funcargsr> r/ r r r r~ N s zCommand.execute c C s t j||| jd d S r| )r mkpathr )r namemoder r r r Q r{ zCommand.mkpathc C s t j||||| j || jdS )zCopy a file respecting verbose, dry-run and force flags. (The former two default to whatever is in the Distribution object, and the latter defaults to false for commands that don't define it.)r} )r copy_filer r )r infileoutfile preserve_modepreserve_timeslinkr/ r r r r T s zCommand.copy_filec C s t j|||||| j | jdS )z\Copy an entire directory tree respecting verbose, dry-run, and force flags. r} )r copy_treer r )r r r r r preserve_symlinksr/ r r r r ] s zCommand.copy_treec C s t j||| jdS )z$Move a file respecting dry-run flag.r} )r move_filer )r srcdstr/ r r r r f s zCommand.move_filec C s ddl m} |||| jd dS )z2Spawn an external command respecting dry-run flag.r )spawnr} N)distutils.spawnr r )r cmd search_pathr/ r r r r r j s z Command.spawnc C s t j||||| j||dS )N)r ownergroup)r make_archiver )r base_nameformatroot_dirbase_dirr r r r r r o s zCommand.make_archivec C s |du rd| }t |tr|f}n t |ttfs td|du r)d|d|f }| js2t||r<| |||| dS t | dS )a Special case of 'execute()' for operations that process one or more input files and generate one output file. Works just like 'execute()', except the operation is skipped and a different message printed if 'outfile' already exists and is newer than all files listed in 'infiles'. If the command defined 'self.force', and it is true, then the command is unconditionally run -- does no timestamp checks. Nz skipping %s (inputs unchanged)z9'infiles' must be a string, or a list or tuple of stringszgenerating %s from %sz, ) r rG rT tupler joinr r newer_groupr~ r debug)r infilesr r r exec_msgskip_msgr/ r r r make_fileu s zCommand.make_file)Nr- )r% rN )r r$ )r )r% r% Nr% )r% r% r r% )r% r% )NNNN)NNr% )#re __module__ __qualname____doc__rt r r# r( r r& r< r= r4 rE rK rM rW rZ r` rb r3 rl rp rq rs ry rz r~ r r r r r r r r r r r r sR 0 r )r rB r\ rR distutils.errorsr distutilsr r r r r r r r r r r <module> s
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