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unless the 'setup()' function is totally inadequate to their needs.
However, it is conceivable that a setup script might wish to subclass
Distribution for some specialized purpose, and then pass the subclass
to 'setup()' as the 'distclass' keyword argument. If so, it is
necessary to respect the expectations that 'setup' has of Distribution.
See the code for 'setup()', in core.py, for details.
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<listcomp>q s zDistribution.<listcomp>c C si d | _ d | _ d | _ x! | j D] } t | | d � q% Wt � | _ x: | j j D], } d | } t | | t | j | � � qX Wi | _ d | _
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d k r"d | _( Pq"q"Wn | j* � d S)a0 Construct a new Distribution instance: initialize all the
attributes of a Distribution, and then use 'attrs' (a dictionary
mapping attribute names to values) to assign some of those
attributes their "real" values. (Any attributes not mentioned in
'attrs' will be assigned to some null value: 0, None, an empty list
or dictionary, etc.) Most importantly, initialize the
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zDistribution.__init__c C s6 | j j | � } | d k r2 i } | j | <n | S)z�Get the option dictionary for a given command. If that
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a� Find as many configuration files as should be processed for this
platform, and return a list of filenames in the order in which they
should be parsed. The filenames returned are guaranteed to exist
(modulo nasty race conditions).
There are three possible config files: distutils.cfg in the
Distutils installation directory (ie. where the top-level
Distutils __inst__.py file lives), a file in the user's home
directory named .pydistutils.cfg on Unix and pydistutils.cfg
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S) a� Parse the setup script's command line, taken from the
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-- see 'setup()' in core.py). This list is first processed for
"global options" -- options that set attributes of the Distribution
instance. Then, it is alternately scanned for Distutils commands
and options for that command. Each new command terminates the
options for the previous command. The allowed options for a
command are determined by the 'user_options' attribute of the
command class -- thus, we have to be able to load command classes
in order to parse the command line. Any error in that 'options'
attribute raises DistutilsGetoptError; any error on the
command-line raises DistutilsArgError. If no Distutils commands
were found on the command line, raises DistutilsArgError. Return
true if command-line was successfully parsed and we should carry
on with executing commands; false if no errors but we shouldn't
execute commands (currently, this only happens if user asks for
help).
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z Distribution.parse_command_linec C s | j d g S)z�Return the non-display options recognized at the top level.
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r}d Sn | j | � } x0 t | � j � D] \ } } d | f | | <q�W| S)a� Parse the command-line options for a single command.
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the next command at the front of the list; will be the empty
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z Distribution._parse_command_optsc C sz xs d D]k } t | j | � } | d k r1 q n t | t � r d d � | j d � D� } t | j | | � q q Wd S)z�Set final values for all the options on the Distribution
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S) ab Show help for the setup script command-line in the form of
several lists of command-line options. 'parser' should be a
FancyGetopt instance; do not expect it to be returned in the
same state, as its option table will be reset to make it
generate the correct help text.
If 'global_options' is true, lists the global options:
--verbose, --dry-run, etc. If 'display_options' is true, lists
the "display-only" options: --name, --version, etc. Finally,
lists per-command help for every command name or command class
in 'commands'.
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zDistribution._show_helpc C s d d l m } | j rD | j � t d � t | | j � � d Sd } i } x | j D] } d | | d <qZ Wx� | D]� \ } } | ry | j | � ry t | � } t | j
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t | � d } qy qy W| S)z�If there were any non-global "display-only" options
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line, display the requested info and return true; else return
false.
r )r� rL r rK r> r: r� r< r@ rB rD rN )zkeywordsz platforms)z classifierszprovideszrequiresz obsoletes) r� r� Z
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rl d } Yn Xt d | | | f � q Wd S)zZPrint a subset of the list of all commands -- used by
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z Distribution.print_command_listc C s� d d l } | j j } i } x | D] } d | | <q% Wg } x6 | j j � D]% } | j | � sO | j | � qO qO Wd } x3 | | D]' } t | � | k r� t | � } q� q� W| j | d | � | r� t � | j | d | � n d S)an Print out a help message listing all available commands with a
description of each. The list is divided into "standard commands"
(listed in distutils.command.__all__) and "extra commands"
(mentioned in self.cmdclass, but not a standard command). The
descriptions come from the command class attribute
'description'.
r Nr zStandard commandszExtra commands)
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zDistribution.print_commandsc C s� d d l } | j j } i } x | D] } d | | <q% Wg } x6 | j j � D]% } | j | � sO | j | � qO qO Wg } xw | | D]k } | j j | � } | s� | j | � } n y
| j } Wn t k
r� d } Yn X| j | | f � q� W| S)a> Get a list of (command, description) tuples.
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self.cmdclass, but not a standard command). The descriptions come
from the command class attribute 'description'.
r Nr z(no description available))
r� ru r� rW r� re r� r� r6 r� ) rr r� r� r� r� r� �rvr� r6 rH rH rI �get_command_list� s(
z Distribution.get_command_listc C sx | j } t | t � st | d k r- d } n d d � | j d � D� } d | k rh | j d d � n | | _ n | S)z9Return a list of packages from which commands are loaded.NrL c S s( g | ] } | d k r | j � � q S)rL )r� )rF ZpkgrH rH rI rJ s z5Distribution.get_command_packages.<locals>.<listcomp>r� zdistutils.commandr )rX r� r� r� �insert)rr ZpkgsrH rH rI �get_command_packages s z!Distribution.get_command_packagesc C s� | j j | � } | r | Sx� | j � D]� } d | | f } | } y t | � t j | } Wn t k
rw w) Yn Xy t | | � } Wn+ t k
r� t d | | | f � � Yn X| | j | <| SWt d | � � d S)ao Return the class that implements the Distutils command named by
'command'. First we check the 'cmdclass' dictionary; if the
command is mentioned there, we fetch the class object from the
dictionary and return it. Otherwise we load the command module
("distutils.command." + command) and fetch the command class from
the module. The loaded class is also stored in 'cmdclass'
to speed future calls to 'get_command_class()'.
Raises DistutilsModuleError if the expected module could not be
found, or if that module does not define the expected class.
z%s.%sz3invalid command '%s' (no class '%s' in module '%s')zinvalid command '%s'N)
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is cached on a previous call to 'get_command_obj()'; if no command
object for 'command' is in the cache, then we either create and
return it (if 'create' is true) or return None.
z<Distribution.get_command_obj(): creating '%s' command objectr )rc re r
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XqQ XqQ Wd S)ay Set the options for 'command_obj' from 'option_dict'. Basically
this means copying elements of a dictionary ('option_dict') to
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supplied, uses the standard option dictionary for this command
(from 'self.command_options').
Nz# setting options for '%s' command:z %s = %s (from %s)c S s g | ] } t | � � q SrH )r )rF �orH rH rI rJ q s z5Distribution._set_command_options.<locals>.<listcomp>z1error in %s: command '%s' has no such option '%s')�get_command_namerg r
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z!Distribution._set_command_optionsr c C s� d d l m } t | | � s7 | } | j | � } n | j � } | j sP | S| j � d | _ d | j | <| j | � | r� x' | j � D] } | j
| | � q� Wn | S)a� Reinitializes a command to the state it was in when first
returned by 'get_command_obj()': ie., initialized but not yet
finalized. This provides the opportunity to sneak option
values in programmatically, overriding or supplementing
user-supplied values from the config files and command line.
You'll have to re-finalize the command object (by calling
'finalize_options()' or 'ensure_finalized()') before using it for
real.
'command' should be a command name (string) or command object. If
'reinit_subcommands' is true, also reinitializes the command's
sub-commands, as declared by the 'sub_commands' class attribute (if
it has one). See the "install" command for an example. Only
reinitializes the sub-commands that actually matter, ie. those
whose test predicates return true.
Returns the reinitialized command object.
r )r� ) r� r� r� r� r� Z finalizedZinitialize_optionsrd r� Zget_sub_commands�reinitialize_command)rr ru Zreinit_subcommandsr� r� �subrH rH rI r� � s
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Wd S)z�Run each command that was seen on the setup script command line.
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N)r� � run_command)rr r� rH rH rI � run_commands� s zDistribution.run_commandsc C sZ | j j | � r d St j d | � | j | � } | j � | j � d | j | <d S)a� Do whatever it takes to run a command (including nothing at all,
if the command has already been run). Specifically: if we have
already created and run the command named by 'command', return
silently without doing anything. If the command named by 'command'
doesn't even have a command object yet, create one. Then invoke
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