3
;p_S                 @   s  d dl Z d dlZd dlZd dlZd dlZd dlZd dlZd dlmZ d dlm	Z	 d dlm
Z
 d dlZd dlmZmZ d dlmZmZ d dlmZ G dd	 d	Zejd
d ZdddZdd Zdd ZdddZG dd dZG dd deZG dd deZdS )    N)defaultdict)partial)wraps)DistutilsOptionErrorDistutilsFileError)LegacyVersionparse)SpecifierSetc               @   s    e Zd ZdZdd Zdd ZdS )StaticModulez0
    Attempt to load the module by the name
    c          	   C   sL   t jj|}t|j}|j }W d Q R X tj|}t| j	t
  | `d S )N)	importlibutil	find_specopenoriginreadastr   varsupdatelocalsself)r   namespecstrmsrcmodule r   9/tmp/pip-install-ofl94hr3/setuptools/setuptools/config.py__init__   s    
zStaticModule.__init__c                sV   yt  fdd| jjD S  tk
rP } ztdjf t |W Y d d }~X nX d S )Nc             3   sH   | ]@}t |tjr|jD ](}t |tjr|j krtj|jV  qqd S )N)
isinstancer   AssigntargetsNameidliteral_evalvalue).0Z	statementtarget)attrr   r   	<genexpr>"   s   
z+StaticModule.__getattr__.<locals>.<genexpr>z#{self.name} has no attribute {attr})nextr   body	ExceptionAttributeErrorformatr   )r   r'   er   )r'   r   __getattr__   s    
zStaticModule.__getattr__N)__name__
__module____qualname____doc__r   r/   r   r   r   r   r
      s   r
   c             c   s,   zt jjd|  dV  W dt jj|  X dS )zH
    Add path to front of sys.path for the duration of the context.
    r   N)syspathinsertremove)r5   r   r   r   
patch_path.   s    
r8   Fc       	      C   s   ddl m}m} tjj| } tjj| s4td|  tj }tj	tjj
|  zJ| }|rb|j ng }| |krx|j|  |j||d t||j|d}W dtj	| X t|S )a,  Read given configuration file and returns options from it as a dict.

    :param str|unicode filepath: Path to configuration file
        to get options from.

    :param bool find_others: Whether to search for other configuration files
        which could be on in various places.

    :param bool ignore_option_errors: Whether to silently ignore
        options, values of which could not be resolved (e.g. due to exceptions
        in directives such as file:, attr:, etc.).
        If False exceptions are propagated as expected.

    :rtype: dict
    r   )Distribution_Distributionz%Configuration file %s does not exist.)	filenames)ignore_option_errorsN)Zsetuptools.distr9   r:   osr5   abspathisfiler   getcwdchdirdirnamefind_config_filesappendparse_config_filesparse_configurationcommand_optionsconfiguration_to_dict)	filepathZfind_othersr<   r9   r:   Zcurrent_directorydistr;   handlersr   r   r   read_configuration:   s$    

rL   c             C   s.   dj f t }tjt| |}t| ||}| S )z
    Given a target object and option key, get that option from
    the target object, either through a get_{key} method or
    from an attribute directly.
    z	get_{key})r-   r   	functoolsr   getattr)
target_objkeyZgetter_nameZby_attributegetterr   r   r   _get_optioni   s    rR   c             C   sD   t t}x6| D ].}x(|jD ]}t|j|}|||j |< qW qW |S )zReturns configuration data gathered by given handlers as a dict.

    :param list[ConfigHandler] handlers: Handlers list,
        usually from parse_configuration()

    :rtype: dict
    )r   dictset_optionsrR   rO   section_prefix)rK   Zconfig_dicthandleroptionr$   r   r   r   rH   u   s    
rH   c             C   s6   t | ||}|j  t| j||| j}|j  ||fS )a  Performs additional parsing of configuration options
    for a distribution.

    Returns a list of used option handlers.

    :param Distribution distribution:
    :param dict command_options:
    :param bool ignore_option_errors: Whether to silently ignore
        options, values of which could not be resolved (e.g. due to exceptions
        in directives such as file:, attr:, etc.).
        If False exceptions are propagated as expected.
    :rtype: list
    )ConfigOptionsHandlerr   ConfigMetadataHandlermetadatapackage_dir)distributionrG   r<   optionsmetar   r   r   rF      s    
rF   c               @   s   e Zd ZdZdZi Zd%ddZedd Zdd	 Z	e
d&ddZe
dd Ze
dd Ze
dd Ze
dd Zedd Zedd Ze
d'ddZe
dd Ze
d(ddZdd  Zd!d" Zd#d$ ZdS ))ConfigHandlerz1Handles metadata supplied in configuration files.NFc             C   sb   i }| j }x:|j D ].\}}|j|s(q|j|djd}|||< qW || _|| _|| _g | _d S )N .)	rU   items
startswithreplacestripr<   rO   sectionsrT   )r   rO   r]   r<   rf   rU   section_namesection_optionsr   r   r   r      s    
zConfigHandler.__init__c             C   s   t d| jj dS )z.Metadata item name to parser function mapping.z!%s must provide .parsers propertyN)NotImplementedError	__class__r0   )r   r   r   r   parsers   s    zConfigHandler.parsersc       	      C   s   t  }| j}| jj||}t|||}||kr6t||r>d S d}| jj|}|ry||}W n  tk
r~   d}| jsz Y nX |rd S t|d| d }|d krt	||| n|| | j
j| d S )NFTzset_%s)tuplerO   aliasesgetrN   KeyErrorrk   r+   r<   setattrrT   rD   )	r   Zoption_namer$   unknownrO   Zcurrent_valueZskip_optionparsersetterr   r   r   __setitem__   s0    zConfigHandler.__setitem__,c             C   s8   t |tr|S d|kr |j }n
|j|}dd |D S )zRepresents value as a list.

        Value is split either by separator (defaults to comma) or by lines.

        :param value:
        :param separator: List items separator character.
        :rtype: list
        
c             S   s   g | ]}|j  r|j  qS r   )re   )r%   chunkr   r   r   
<listcomp>   s    z-ConfigHandler._parse_list.<locals>.<listcomp>)r   list
splitlinessplit)clsr$   	separatorr   r   r   _parse_list   s    



zConfigHandler._parse_listc             C   sT   d}i }xF| j |D ]8}|j|\}}}||kr<td| |j ||j < qW |S )zPRepresents value as a dict.

        :param value:
        :rtype: dict
        =z(Unable to parse option value to dict: %s)r~   	partitionr   re   )r|   r$   r}   resultlinerP   sepvalr   r   r   _parse_dict  s    
zConfigHandler._parse_dictc             C   s   |j  }|dkS )zQRepresents value as boolean.

        :param value:
        :rtype: bool
        1trueyes)r   r   r   )lower)r|   r$   r   r   r   _parse_bool  s    zConfigHandler._parse_boolc                s    fdd}|S )zReturns a parser function to make sure field inputs
        are not files.

        Parses a value after getting the key so error messages are
        more informative.

        :param key:
        :rtype: callable
        c                s    d}| j |rtdj | S )Nzfile:zCOnly strings are accepted for the {0} field, files are not accepted)rc   
ValueErrorr-   )r$   Zexclude_directive)rP   r   r   rr   )  s    
z3ConfigHandler._exclude_files_parser.<locals>.parserr   )r|   rP   rr   r   )rP   r   _exclude_files_parser  s    z#ConfigHandler._exclude_files_parserc                s\   d}t |ts|S |j|s |S |t|d }dd |jdD }dj fdd|D S )aO  Represents value as a string, allowing including text
        from nearest files using `file:` directive.

        Directive is sandboxed and won't reach anything outside
        directory with setup.py.

        Examples:
            file: README.rst, CHANGELOG.md, src/file.txt

        :param str value:
        :rtype: str
        zfile:Nc             s   s   | ]}t jj|j V  qd S )N)r=   r5   r>   re   )r%   r5   r   r   r   r(   I  s    z,ConfigHandler._parse_file.<locals>.<genexpr>ru   rv   c             3   s2   | ]*} j |sd rtjj|r j|V  qdS )TN)_assert_localr=   r5   r?   
_read_file)r%   r5   )r|   r   r   r(   K  s   )r   strrc   lenr{   join)r|   r$   Zinclude_directiver   Z	filepathsr   )r|   r   _parse_file2  s    


zConfigHandler._parse_filec             C   s   | j tj std|  d S )Nz#`file:` directive can not access %s)rc   r=   r@   r   )rI   r   r   r   r   Q  s    zConfigHandler._assert_localc          	   C   s"   t j| dd
}|j S Q R X d S )Nzutf-8)encoding)ior   r   )rI   fr   r   r   r   W  s    zConfigHandler._read_filec             C   s  d}|j |s|S |j|dj jd}|j }dj|}|p@d}tj }|r|d |kr||d  }|jdd}	t	|	dkrtj
jtj |	d }|	d }q|}nd|krtj
jtj |d }t|4 ytt||S  tk
r   tj|}
Y nX W dQ R X t|
|S )	zRepresents value as a module attribute.

        Examples:
            attr: package.attr
            attr: package.module.attr

        :param str value:
        :rtype: str
        zattr:r`   ra   r   r   /   N)rc   rd   re   r{   popr   r=   r@   rsplitr   r5   r8   rN   r
   r+   r   import_module)r|   r$   r[   Zattr_directiveZ
attrs_path	attr_namemodule_nameparent_pathZcustom_pathpartsr   r   r   r   _parse_attr\  s0    



zConfigHandler._parse_attrc                s    fdd}|S )zReturns parser function to represents value as a list.

        Parses a value applying given methods one after another.

        :param parse_methods:
        :rtype: callable
        c                s   | }x D ]}||}q
W |S )Nr   )r$   parsedmethod)parse_methodsr   r   r     s    
z1ConfigHandler._get_parser_compound.<locals>.parser   )r|   r   r   r   )r   r   _get_parser_compound  s    	z"ConfigHandler._get_parser_compoundc             C   s:   i }|pdd }x$|j  D ]\}\}}||||< qW |S )zParses section options into a dictionary.

        Optionally applies a given parser to values.

        :param dict section_options:
        :param callable values_parser:
        :rtype: dict
        c             S   s   | S )Nr   )r   r   r   r   <lambda>  s    z6ConfigHandler._parse_section_to_dict.<locals>.<lambda>)rb   )r|   rh   Zvalues_parserr$   rP   _r   r   r   r   _parse_section_to_dict  s
    
z$ConfigHandler._parse_section_to_dictc             C   s@   x:|j  D ].\}\}}y|| |< W q
 tk
r6   Y q
X q
W dS )zQParses configuration file section.

        :param dict section_options:
        N)rb   ro   )r   rh   r   r   r$   r   r   r   parse_section  s
    zConfigHandler.parse_sectionc             C   sf   x`| j j D ]R\}}d}|r$d| }t| d| jddd}|dkrVtd| j|f || qW dS )zTParses configuration file items from one
        or more related sections.

        r`   z_%szparse_section%sra   __Nz0Unsupported distribution option section: [%s.%s])rf   rb   rN   rd   r   rU   )r   rg   rh   Zmethod_postfixZsection_parser_methodr   r   r   r     s    zConfigHandler.parsec                s   t   fdd}|S )z this function will wrap around parameters that are deprecated

        :param msg: deprecation message
        :param warning_class: class of warning exception to be raised
        :param func: function to be wrapped around
        c                 s   t j  | |S )N)warningswarn)argskwargs)funcmsgwarning_classr   r   config_handler  s    z@ConfigHandler._deprecated_config_handler.<locals>.config_handler)r   )r   r   r   r   r   r   )r   r   r   r   _deprecated_config_handler  s    z(ConfigHandler._deprecated_config_handler)F)ru   )N)N)r0   r1   r2   r3   rU   rm   r   propertyrk   rt   classmethodr~   r   r   r   r   staticmethodr   r   r   r   r   r   r   r   r   r   r   r   r_      s,   
&
-r_   c                   sH   e Zd ZdZdddddZdZd fd	d
	Zedd Zdd Z	  Z
S )rY   rZ   urldescriptionclassifiers	platforms)Z	home_pagesummary
classifierplatformFNc                s   t t| j||| || _d S )N)superrY   r   r[   )r   rO   r]   r<   r[   )rj   r   r   r     s    zConfigMetadataHandler.__init__c             C   sN   | j }| j}| j}| j}|||| j|dt|| j|||d|||| j|dS )z.Metadata item name to parser function mapping.z[The requires parameter is deprecated, please use install_requires for runtime dependencies.license)r   keywordsprovidesrequires	obsoletesr   r   Zlicense_filesr   long_descriptionversionZproject_urls)r~   r   r   r   r   DeprecationWarningr   _parse_version)r   
parse_listZ
parse_file
parse_dictZexclude_files_parserr   r   r   rk     s&    
zConfigMetadataHandler.parsersc             C   s   | j |}||krB|j }tt|tr>d}t|jf t |S | j|| j	}t
|r^| }t|tst|drdjtt|}nd| }|S )zSParses `version` option value.

        :param value:
        :rtype: str

        zCVersion loaded from {value} does not comply with PEP 440: {version}__iter__ra   z%s)r   re   r   r   r   r   r-   r   r   r[   callabler   hasattrr   map)r   r$   r   tmplr   r   r   r     s    


z$ConfigMetadataHandler._parse_version)FN)r0   r1   r2   rU   rm   Zstrict_moder   r   rk   r   __classcell__r   r   )rj   r   rY     s    rY   c               @   s\   e Zd ZdZedd Zdd Zdd Zdd	 Zd
d Z	dd Z
dd Zdd Zdd ZdS )rX   r]   c             C   sN   | j }t| j dd}| j}| j}||||||||||||||| j| j|tdS )z.Metadata item name to parser function mapping.;)r}   )Zzip_safeZuse_2to3Zinclude_package_datar[   Zuse_2to3_fixersZuse_2to3_exclude_fixersZconvert_2to3_doctestsscriptsZeager_resourcesZdependency_linksZnamespace_packagesZinstall_requiresZsetup_requiresZtests_requirepackagesentry_points
py_modulesZpython_requires)r~   r   r   r   _parse_packagesr   r	   )r   r   Zparse_list_semicolonZ
parse_boolr   r   r   r   rk   :  s,    zConfigOptionsHandler.parsersc             C   sj   ddg}|j  }||kr"| j|S ||d k}| j| jjdi }|rTddlm} nddlm} |f |S )zTParses `packages` option value.

        :param value:
        :rtype: list
        zfind:zfind_namespace:r   zpackages.findr   )find_namespace_packages)find_packages)re   r~   parse_section_packages__findrf   rn   
setuptoolsr   r   )r   r$   Zfind_directivesZtrimmed_valueZfindnsfind_kwargsr   r   r   r   r   W  s    
z$ConfigOptionsHandler._parse_packagesc                sT   | j || j}dddg t fdd|j D }|jd}|dk	rP|d |d< |S )zParses `packages.find` configuration file section.

        To be used in conjunction with _parse_packages().

        :param dict section_options:
        whereincludeexcludec                s$   g | ]\}}| kr|r||fqS r   r   )r%   kv)
valid_keysr   r   rx   }  s    zEConfigOptionsHandler.parse_section_packages__find.<locals>.<listcomp>Nr   )r   r~   rS   rb   rn   )r   rh   Zsection_datar   r   r   )r   r   r   p  s    


z1ConfigOptionsHandler.parse_section_packages__findc             C   s   | j || j}|| d< dS )z`Parses `entry_points` configuration file section.

        :param dict section_options:
        r   N)r   r~   )r   rh   r   r   r   r   parse_section_entry_points  s    z/ConfigOptionsHandler.parse_section_entry_pointsc             C   s.   | j || j}|jd}|r*||d< |d= |S )N*r`   )r   r~   rn   )r   rh   r   rootr   r   r   _parse_package_data  s    
z(ConfigOptionsHandler._parse_package_datac             C   s   | j || d< dS )z`Parses `package_data` configuration file section.

        :param dict section_options:
        package_dataN)r   )r   rh   r   r   r   parse_section_package_data  s    z/ConfigOptionsHandler.parse_section_package_datac             C   s   | j || d< dS )zhParses `exclude_package_data` configuration file section.

        :param dict section_options:
        Zexclude_package_dataN)r   )r   rh   r   r   r   "parse_section_exclude_package_data  s    z7ConfigOptionsHandler.parse_section_exclude_package_datac             C   s"   t | jdd}| j||| d< dS )zbParses `extras_require` configuration file section.

        :param dict section_options:
        r   )r}   Zextras_requireN)r   r~   r   )r   rh   r   r   r   r   parse_section_extras_require  s    z1ConfigOptionsHandler.parse_section_extras_requirec             C   s(   | j || j}dd |j D | d< dS )z^Parses `data_files` configuration file section.

        :param dict section_options:
        c             S   s   g | ]\}}||fqS r   r   )r%   r   r   r   r   r   rx     s    zAConfigOptionsHandler.parse_section_data_files.<locals>.<listcomp>
data_filesN)r   r~   rb   )r   rh   r   r   r   r   parse_section_data_files  s    z-ConfigOptionsHandler.parse_section_data_filesN)r0   r1   r2   rU   r   rk   r   r   r   r   r   r   r   r   r   r   r   r   rX   6  s   
	rX   )FF)F)r   r   r=   r4   r   rM   r   collectionsr   r   r   
contextlibdistutils.errorsr   r   Z#setuptools.extern.packaging.versionr   r   Z&setuptools.extern.packaging.specifiersr	   r
   contextmanagerr8   rL   rR   rH   rF   r_   rY   rX   r   r   r   r   <module>   s0   
.
  @V