3
e?                 @   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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.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-argcdawy/setuptools/setuptools/config.pyread_configuration   s$    

r    c             C   sl   t t}x^| D ]V}|j}|j}xD|jD ]:}t|d| d}|dkrNt||}n| }||| |< 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
    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||}|j  t| ||}|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
    )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   sb   i }| j }x:|j D ].\}}|j|s(q|j|djd}|||< qW || _|| _|| _g | _d S )N .)	r"   items
startswithreplacestripr   r#   sectionsr$   )selfr#   r0   r   r8   r"   section_namesection_optionsr   r   r   __init__   s    
zConfigHandler.__init__c             C   s   t d| jj dS )z.Metadata item name to parser function mapping.z!%s must provide .parsers propertyN)NotImplementedError	__class____name__)r9   r   r   r   parsers   s    zConfigHandler.parsersc       	      C   s   t  }| j}| jj||}t|||}||kr6t||r>d S d}| jj|}|ry||}W n  tk
r~   d}| jsz Y nX |rd S t|d| d }|d krt	||| n|| | j
j| d S )NFTzset_%s)tupler#   aliasesgetr%   KeyErrorr@   	Exceptionr   setattrr$   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 |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   )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   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)rV   	partitionr   r7   )rT   r)   rU   resultlinekey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`   ra   )lower)rT   r)   r   r   r   _parse_bool   s    zConfigHandler._parse_boolc                s\   d}t |ts|S |j|s |S |t|d }dd |jdD }dj 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j|j V  qd S )N)r   r   r   r7   )rM   r   r   r   r   	<genexpr>  s    z,ConfigHandler._parse_file.<locals>.<genexpr>rK   rL   c             3   s2   | ]*} j |sd rtjj|r j|V  qdS )TN)_assert_localr   r   r   
_read_file)rM   r   )rT   r   r   rd   	  s   )rP   r	   r5   lenrS   join)rT   r)   Zinclude_directivespecZ	filepathsr   )rT   r   _parse_file   s    


zConfigHandler._parse_filec             C   s   | j tj std|  d S )Nz#`file:` directive can not access %s)r5   r   r   r   )r   r   r   r   re     s    zConfigHandler._assert_localc          	   C   s"   t j| dd
}|j S Q R X d S )Nzutf-8)encoding)ioopenread)r   fr   r   r   rf     s    zConfigHandler._read_filec             C   s   d}|j |s|S |j|dj jd}|j }dj|}|p@d}tjjdt	j
  zt|}t||}W d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   rS   poprh   sysr   insertr   r   r   r%   )rT   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   | }x D ]}||}q
W |S )Nr   )r)   parsedmethod)parse_methodsr   r   r,   B  s    
z1ConfigHandler._get_parser_compound.<locals>.parser   )rT   rz   r,   r   )rz   r   _get_parser_compound9  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>W  s    z6ConfigHandler._parse_section_to_dict.<locals>.<lambda>)r4   )rT   r;   Zvalues_parserr)   r[   _r]   r   r   r   _parse_section_to_dictL  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)r4   rD   )r9   r;   namer}   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.

        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)rK   )N)r?   
__module____qualname____doc__r"   rB   r<   propertyr@   rJ   classmethodrV   r^   rc   rj   staticmethodre   rf   rw   r{   r~   r   r,   r   r   r   r   r1   s   s&   
&
 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|||||| j|dS )z.Metadata item name to parser function mapping.)r   keywordsprovidesrequires	obsoletesr   licenser   long_descriptionversionZproject_urls)rV   rj   r^   r{   _parse_version)r9   
parse_listZ
parse_file
parse_dictr   r   r   r@     s    
zConfigMetadataHandler.parsersc             C   sJ   | j |}t|r| }t|tsFt|dr>djtt|}nd| }|S )zSParses `version` option value.

        :param value:
        :rtype: str

        __iter__r3   z%s)rw   callablerP   r	   hasattrrh   mapstr)r9   r)   r   r   r   r   r     s    


z$ConfigMetadataHandler._parse_versionN)	r?   r   r   r"   rB   Zstrict_moder   r@   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 )z.Metadata item name to parser function mapping.;)rU   )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)rV   r   rc   r^   _parse_packagesrj   )r9   r   Zparse_list_semicolonZ
parse_boolr   r   r   r   r@     s*    zConfigOptionsHandler.parsersc             C   sB   d}|j |s| j|S | j| j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   rV   parse_section_packages__findr8   rC   
setuptoolsr   )r9   r)   Zfind_directivefind_kwargsr   r   r   r   r     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   )rM   kv)
valid_keysr   r   rO     s    zEConfigOptionsHandler.parse_section_packages__find.<locals>.<listcomp>Nr   )r~   rV   r!   r4   rC   )r9   r;   Zsection_datar   r   r   )r   r   r     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~   rV   )r9   r;   rx   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*r2   )r~   rV   rC   )r9   r;   rx   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   )r9   r;   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   )r9   r;   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   )rU   Zextras_requireN)r   rV   r~   )r9   r;   r   r   r   r   parse_section_extras_require%  s    z1ConfigOptionsHandler.parse_section_extras_requireN)r?   r   r   r"   r   r@   r   r   r   r   r   r   r   r   r   r   r   r-     s   
r-   )FF)F)
__future__r   r   rl   r   rr   collectionsr   	functoolsr   	importlibr   Zdistutils.errorsr   r   Zsetuptools.extern.sixr	   r    r   r   objectr1   r*   r-   r   r   r   r   <module>   s    
.
  ;