File: //lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/__pycache__/base.cpython-39.pyc
a
?�f
� @ s� d dl mZ d dlmZ d dlmZ d dlmZ d dlm Z e r�d dl
m Z m Z m
Z
mZ d dlmZ d dlmZ ee
d e
e f Zd
d � ZG d d
� d
e�ZG dd� de�ZG dd � d e�ZdS )� )� SpecifierSet��canonicalize_name)�InstallRequirement)�Hashes)�MYPY_CHECK_RUNNING)� FrozenSet�Iterable�Optional�Tuple)� _BaseVersion)�Link� Candidatec C s, |s| S t dd� |D ��}d�| d�|��S )Nc s s | ]}t |�V qd S �Nr )�.0�e� r �L/usr/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/base.py� <genexpr> � z format_name.<locals>.<genexpr>z{}[{}]�,)�sorted�format�join)ZprojectZextrasZcanonical_extrasr r r � format_name s r c @ sD e Zd Zdd� Zedd� �Zedd� �Zdd� Zd d
� Zd d � Z d
S )�
Constraintc C s || _ || _d S r )� specifier�hashes)�selfr r r r r �__init__ s zConstraint.__init__c C s t t� t� �S r )r r r )�clsr r r �empty# s zConstraint.emptyc C s t |j|jdd��S �NF)Ztrust_internet)r r r )r Zireqr r r � from_ireq( s zConstraint.from_ireqc C s t | j�pt | j�S r )�boolr r �r r r r � __nonzero__- s zConstraint.__nonzero__c C s | � � S r )r& r% r r r �__bool__1 s zConstraint.__bool__c C s6 t |t�stS | j|j@ }| j|jdd�@ }t||�S r" )�
isinstancer �NotImplementedr r r )r �otherr r r r r �__and__5 s
zConstraint.__and__N)
�__name__�
__module__� __qualname__r � classmethodr! r# r& r' r+ r r r r r s
r c @ s0 e Zd Zedd� �Zdd� Zdd� Zdd� Zd S )
� Requirementc C s t d��d S �NzSubclass should override��NotImplementedErrorr% r r r �name? s zRequirement.namec C s dS )NFr )r � candidater r r �is_satisfied_byD s zRequirement.is_satisfied_byc C s t d��d S r1 r2 r% r r r �get_candidate_lookupH s z Requirement.get_candidate_lookupc C s t d��d S r1 r2 r% r r r �format_for_errorL s z Requirement.format_for_errorN)r, r- r. �propertyr4 r6 r7 r8 r r r r r0 > s
r0 c @ s` e Zd Zedd� �Zedd� �Zedd� �Zedd� �Zed d
� �Zd d � Z d
d� Z
dd� Z dS )r c C s t d��d S �NzOverride in subclassr2 r% r r r r4 R s zCandidate.namec C s t d��d S r: r2 r% r r r �versionW s zCandidate.versionc C s t d��d S r: r2 r% r r r � is_installed\ s zCandidate.is_installedc C s t d��d S r: r2 r% r r r � is_editablea s zCandidate.is_editablec C s t d��d S r: r2 r% r r r � source_linkf s zCandidate.source_linkc C s t d��d S r: r2 )r Z
with_requiresr r r �iter_dependenciesk s zCandidate.iter_dependenciesc C s t d��d S r: r2 r% r r r �get_install_requiremento s z!Candidate.get_install_requirementc C s t d��d S r1 r2 r% r r r r8 s s zCandidate.format_for_errorN) r, r- r. r9 r4 r; r< r= r> r? r@ r8 r r r r r Q s
N)Z pip._vendor.packaging.specifiersr Zpip._vendor.packaging.utilsr Z pip._internal.req.req_installr Zpip._internal.utils.hashesr Zpip._internal.utils.typingr �typingr r r
r Z pip._vendor.packaging.versionr Zpip._internal.models.linkr
ZCandidateLookupr �objectr r0 r r r r r �<module> s" ��!