U
    h?                     @   s   d dl mZm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mZmZ d dlmZ dd	d
Zdd ZdddZG dd deZG dd deZG dd deZdS )    )absolute_importunicode_literalsN)defaultdict)partial)import_module)DistutilsOptionErrorDistutilsFileError)string_typesFc           	   	   C   s   ddl m}m} tj| } tj| s4td|  t }t	tj
|  zJ| }|rb| ng }| |krx||  |j||d t||j|d}W 5 t	| 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_errors)Zsetuptools.distr
   r   ospathabspathisfiler   getcwdchdirdirnamefind_config_filesappendparse_config_filesparse_configurationcommand_optionsconfiguration_to_dict)	filepathZfind_othersr   r
   r   Zcurrent_directorydistr   handlers r   7/tmp/pip-build-2aersu7t/setuptools/setuptools/config.pyread_configuration   s*    
 
r    c                 C   sd   t t}| D ]R}|j}|j}|jD ]:}t|d| d}|dkrJt||}n| }||| |< q"q|S )zReturns configuration data gathered by given handlers as a dict.

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

    :rtype: dict
    zget_%sN)r   dictsection_prefix
target_objset_optionsgetattr)r   Zconfig_dicthandlerZ	obj_aliasr#   optiongettervaluer   r   r   r   <   s    
r   c                 C   s2   t | j||}|  t| ||}|  ||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
    )ConfigMetadataHandlermetadataparseConfigOptionsHandler)distributionr   r   metaoptionsr   r   r   r   Y   s        r   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 Ze
d#ddZdd Zdd  ZdS )$ConfigHandlerz1Handles metadata supplied in configuration files.NFc                 C   s^   i }| j }| D ].\}}||s&q||dd}|||< q|| _|| _|| _g | _d S )N .)	r"   items
startswithreplacestripr   r#   sectionsr$   )selfr#   r0   r   r8   r"   section_namesection_optionsr   r   r   __init__   s    

zConfigHandler.__init__c                 C   s   t d| jj dS ).Metadata item name to parser function mapping.z!%s must provide .parsers propertyN)NotImplementedError	__class____name__)r9   r   r   r   parsers   s    
zConfigHandler.parsersc           	      C   s   t  }| j}| j||}t|||}||kr6t||r>d S d}| j|}|rz||}W n  tk
r~   d}| jsz Y nX |rd S t|d| d }|d krt	||| n|| | j
| d S )NFTzset_%s)tupler#   aliasesgetr%   KeyErrorrA   	Exceptionr   setattrr$   r   )	r9   Zoption_namer)   unknownr#   Zcurrent_valueZskip_optionparsersetterr   r   r   __setitem__   s0    zConfigHandler.__setitem__,c                 C   s8   t |tr|S d|kr | }n
||}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 | ]}|  r|  qS r   )r7   ).0chunkr   r   r   
<listcomp>   s      z-ConfigHandler._parse_list.<locals>.<listcomp>)
isinstancelist
splitlinessplit)clsr)   	separatorr   r   r   _parse_list   s    

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

        :param value:
        :rtype: dict
        =z(Unable to parse option value to dict: %s)rW   	partitionr   r7   )rU   r)   rV   resultlinekeysepvalr   r   r   _parse_dict   s    zConfigHandler._parse_dictc                 C   s   |  }|dkS )zQRepresents value as boolean.

        :param value:
        :rtype: bool
        )1trueyes)lower)rU   r)   r   r   r   _parse_bool   s    zConfigHandler._parse_boolc                    s\   d}t |ts|S ||s |S |t|d }dd |dD }d fdd|D S )ai  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: LICENSE
            file: README.rst, CHANGELOG.md, src/file.txt

        :param str value:
        :rtype: str
        zfile:Nc                 s   s   | ]}t j| V  qd S N)r   r   r   r7   rN   r   r   r   r   	<genexpr>  s     z,ConfigHandler._parse_file.<locals>.<genexpr>rL   rM   c                 3   s.   | ]&}  |stj|r |V  qdS )TN)_assert_localr   r   r   
_read_filerf   rU   r   r   rg     s
   
  )rQ   r	   r5   lenrT   join)rU   r)   Zinclude_directivespecZ	filepathsr   rj   r   _parse_file   s    

zConfigHandler._parse_filec                 C   s   |  t std|  d S )Nz#`file:` directive can not access %s)r5   r   r   r   )r   r   r   r   rh     s    zConfigHandler._assert_localc              
   C   s.   t j| dd}| W  5 Q R  S Q R X d S )Nzutf-8)encoding)ioopenread)r   fr   r   r   ri     s    zConfigHandler._read_filec              	   C   s   d}| |s|S ||d d}| }d|}|p@d}tjdt	
  zt|}t||}W 5 tjdd t_X |S )zRepresents value as a module attribute.

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

        :param str value:
        :rtype: str
        zattr:r2   r3   r<   r      N)r5   r6   r7   rT   poprl   sysr   insertr   r   r   r%   )rU   r)   Zattr_directiveZ
attrs_path	attr_namemodule_namemoduler   r   r   _parse_attr  s    

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   | } D ]}||}q|S re   r   )r)   parsedmethodparse_methodsr   r   r,   B  s    
z1ConfigHandler._get_parser_compound.<locals>.parser   )rU   r   r,   r   r~   r   _get_parser_compound9  s    	z"ConfigHandler._get_parser_compoundc                 C   s6   i }|pdd }|  D ]\}\}}||||< q|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 re   r   )r^   r   r   r   <lambda>W      z6ConfigHandler._parse_section_to_dict.<locals>.<lambda>)r4   )rU   r;   Zvalues_parserr)   r\   _r^   r   r   r   _parse_section_to_dictL  s
    
z$ConfigHandler._parse_section_to_dictc              	   C   s<   |  D ].\}\}}z|| |< W q tk
r4   Y qX qdS )zQParses configuration file section.

        :param dict section_options:
        N)r4   rE   )r9   r;   namer   r)   r   r   r   parse_section\  s
    zConfigHandler.parse_sectionc                 C   sb   | j  D ]R\}}d}|r"d| }t| d| ddd}|dkrTtd| j|f || q
dS )zTParses configuration file items from one
        or more related sections.

        r2   z_%szparse_section%sr3   __Nz0Unsupported distribution option section: [%s.%s])r8   r4   r%   r6   r   r"   )r9   r:   r;   Zmethod_postfixZsection_parser_methodr   r   r   r,   h  s"     zConfigHandler.parse)F)rL   )N)r@   
__module____qualname____doc__r"   rC   r<   propertyrA   rK   classmethodrW   r_   rd   rn   staticmethodrh   ri   r{   r   r   r   r,   r   r   r   r   r1   s   s6   

&

	




r1   c                   @   s6   e Zd ZdZdddddZdZedd	 Zd
d ZdS )r*   r+   urldescriptionclassifiers	platforms)Z	home_pagesummary
classifierplatformFc                 C   s8   | j }| j}| j}|||||| |||||| j|dS )r=   )r   keywordsprovidesrequires	obsoletesr   licenser   long_descriptionversionZproject_urls)rW   rn   r_   r   _parse_version)r9   
parse_listZ
parse_file
parse_dictr   r   r   rA     s    
zConfigMetadataHandler.parsersc                 C   sJ   |  |}t|r| }t|tsFt|dr>dtt|}nd| }|S )zSParses `version` option value.

        :param value:
        :rtype: str

        __iter__r3   z%s)r{   callablerQ   r	   hasattrrl   mapstr)r9   r)   r   r   r   r   r     s    


z$ConfigMetadataHandler._parse_versionN)	r@   r   r   r"   rC   Zstrict_moder   rA   r   r   r   r   r   r*     s   
r*   c                   @   sT   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S )r-   r0   c                 C   sL   | j }t| j dd}| j}| j}||||||||||||||| j| j|dS )r=   ;rV   )Zzip_safeZuse_2to3Zinclude_package_datapackage_dirZuse_2to3_fixersZuse_2to3_exclude_fixersZconvert_2to3_doctestsscriptsZeager_resourcesdependency_linksZnamespace_packagesZinstall_requiresZsetup_requiresZtests_requirepackagesentry_points
py_modules)rW   r   rd   r_   _parse_packagesrn   )r9   r   Zparse_list_semicolonZ
parse_boolr   r   r   r   rA     s,    zConfigOptionsHandler.parsersc                 C   sB   d}| |s| |S | | jdi }ddlm} |f |S )zTParses `packages` option value.

        :param value:
        :rtype: list
        zfind:zpackages.findr   )find_packages)r5   rW   parse_section_packages__findr8   rD   
setuptoolsr   )r9   r)   Zfind_directivefind_kwargsr   r   r   r   r     s    

z$ConfigOptionsHandler._parse_packagesc                    sT   |  || j}dddg t fdd| D }|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   )rN   kvZ
valid_keysr   r   rP     s       zEConfigOptionsHandler.parse_section_packages__find.<locals>.<listcomp>Nr   )r   rW   r!   r4   rD   )r9   r;   Zsection_datar   r   r   r   r   r     s     

z1ConfigOptionsHandler.parse_section_packages__findc                 C   s   |  || j}|| d< dS )z`Parses `entry_points` configuration file section.

        :param dict section_options:
        r   N)r   rW   )r9   r;   r|   r   r   r   parse_section_entry_points  s    z/ConfigOptionsHandler.parse_section_entry_pointsc                 C   s.   |  || j}|d}|r*||d< |d= |S )N*r2   )r   rW   rD   )r9   r;   r|   rootr   r   r   _parse_package_data  s    
z(ConfigOptionsHandler._parse_package_datac                 C   s   |  || d< dS )z`Parses `package_data` configuration file section.

        :param dict section_options:
        package_dataNr   r9   r;   r   r   r   parse_section_package_data  s    z/ConfigOptionsHandler.parse_section_package_datac                 C   s   |  || d< dS )zhParses `exclude_package_data` configuration file section.

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

        :param dict section_options:
        r   r   Zextras_requireN)r   rW   r   )r9   r;   r   r   r   r   parse_section_extras_require%  s
     z1ConfigOptionsHandler.parse_section_extras_requireN)r@   r   r   r"   r   rA   r   r   r   r   r   r   r   r   r   r   r   r-     s   

r-   )FF)F)
__future__r   r   rp   r   rv   collectionsr   	functoolsr   	importlibr   Zdistutils.errorsr   r   Zsetuptools.extern.sixr	   r    r   r   objectr1   r*   r-   r   r   r   r   <module>   s&      
/ 
  ;