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Provides the Command class, the base class for the command classes
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of the Distutils. A useful analogy for command classes is to think of
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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.
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zCommand.__init__c C s< |dkr0t | d| �}|d kr*t | j|�S |S nt|��d S )N�dry_run�_)�getattrr �AttributeError)r �attrZmyvalr r r � __getattr___ s zCommand.__getattr__c C s | j s| j� d| _ d S )N� )r �finalize_options)r r r r �ensure_finalizedi s zCommand.ensure_finalizedc C s t d| j ��dS )a� Set default values for all the options that this command
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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.
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zCommand.initialize_optionsc C s t d| j ��dS )a Set final values for all the options that this command supports.
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interaction should be done by 'run()'.
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zCommand._ensure_stringlikec C s | j |d|� dS )zWEnsure that 'option' is a string; if not defined, set it to
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zCommand.ensure_string_listc C s8 | j |||�}|d k r4||� r4td| ||f ��d S )Nzerror in '%s' option: )r> r )r r. Ztesterr; Z error_fmtr< r= r r r �_ensure_tested_string� s z Command._ensure_tested_stringc C s | j |tjjdd� dS )z5Ensure that 'option' is the name of an existing file.�filenamez$'%s' does not exist or is not a fileN)rJ �os�path�isfile)r r. r r r �ensure_filename� s zCommand.ensure_filenamec C s | j |tjjdd� d S )Nzdirectory namez)'%s' does not exist or is not a directory)rJ rL rM �isdir)r r. r r r �ensure_dirname s zCommand.ensure_dirnamec C s t | d�r| jS | jjS d S )N� command_name)�hasattrrR r
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zCommand.get_command_namec G sJ | j j|�}|j� x0|D ](\}}t| |�dkrt| |t||�� qW 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
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'dst_option' in the current command object".
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and it is true, then the command is unconditionally run -- does no
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� install-dir=�d�!directory to install the files toc C s d | _ g | _d S )N)� install_dir�outfiles)r r r r r � s z install_misc.initialize_optionsc C s | j d|df� d S )NZinstallr� )rV )r �dirnamer r r �_install_dir_from� s z install_misc._install_dir_fromc C sR g | _ |sd S | j| j� x2|D ]*}| j|| j� | j jtjj| j|�� q W d S )N)r� rd r� rg r\ rL rM rx )r Zfilelist�fr r r � _copy_files� s
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