U
    žËúgƒ  ã                   @  s~   d dl mZ d dlmZ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lmZ G d	d
„ d
eƒZG dd„ dƒZdS )é    )Úannotations)ÚAnyÚIteratoré   )Úparse_requirement)ÚParserSyntaxError)ÚMarkerÚ_normalize_extra_values)ÚSpecifierSet)Úcanonicalize_namec                   @  s   e Zd ZdZdS )ÚInvalidRequirementzJ
    An invalid requirement was found, users should refer to PEP 508.
    N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__© r   r   ú:/tmp/pip-unpacked-wheel-et9flr3b/packaging/requirements.pyr      s   r   c                   @  sj   e Zd ZdZdddœdd„Zdddœd	d
„Zddœdd„Zddœdd„Zddœdd„Zdddœdd„Z	dS )ÚRequirementzÁParse a requirement.

    Parse a given requirement string into its parts, such as name, specifier,
    URL, and extras. Raises InvalidRequirement on a badly-formed requirement
    string.
    ÚstrÚNone)Úrequirement_stringÚreturnc              
   C  sœ   zt |ƒ}W n0 tk
r< } ztt|ƒƒ|‚W 5 d }~X Y nX |j| _|jpNd | _t|jp\g ƒ| _t|j	ƒ| _	d | _
|j
d k	r˜t t¡| _
t|j
ƒ| j
_d S ©N)Ú_parse_requirementr   r   r   ÚnameÚurlÚsetÚextrasr
   Ú	specifierÚmarkerr   Ú__new__r	   Ú_markers)Úselfr   ÚparsedÚer   r   r   Ú__init__"   s     
zRequirement.__init__zIterator[str])r   r   c                 c  st   |V  | j r*d t| j ƒ¡}d|› dV  | jr<t| jƒV  | jr\d| j› V  | jr\dV  | jrpd| j› V  d S )Nú,ú[ú]z@ ú z; )r   ÚjoinÚsortedr   r   r   r   )r"   r   Zformatted_extrasr   r   r   Ú_iter_parts1   s    zRequirement._iter_parts)r   c                 C  s   d  |  | j¡¡S )NÚ )r*   r,   r   ©r"   r   r   r   Ú__str__C   s    zRequirement.__str__c                 C  s   d| › dS )Nz<Requirement('z')>r   r.   r   r   r   Ú__repr__F   s    zRequirement.__repr__Úintc                 C  s   t | jjf|  t| jƒ¡˜ƒS r   )ÚhashÚ	__class__r   r,   r   r   r.   r   r   r   Ú__hash__I   s    ÿþÿzRequirement.__hash__r   Úbool)Úotherr   c                 C  sR   t |tƒstS t| jƒt|jƒkoP| j|jkoP| j|jkoP| j|jkoP| j|jkS r   )	Ú
isinstancer   ÚNotImplementedr   r   r   r   r   r   )r"   r6   r   r   r   Ú__eq__Q   s    

ÿ
þ
ý
ûzRequirement.__eq__N)
r   r   r   r   r%   r,   r/   r0   r4   r9   r   r   r   r   r      s   r   N)Ú
__future__r   Útypingr   r   Ú_parserr   r   Ú
_tokenizerr   Úmarkersr   r	   Ú
specifiersr
   Úutilsr   Ú
ValueErrorr   r   r   r   r   r   Ú<module>   s   