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Normalize extra values. r �extra)� isinstance�tupler �valuer r )r7 �lhs�op�rhsZnormalized_extrar& r& r' �_normalize_extra_values| s r@ T�marker� list[str] | MarkerAtom | str�first� bool | Noner* c C s� t | tttf�s J �t | t�r$t| �dkr$t | d ttf�r$t| d �S t | t�r@dd� | D �}|r7d�|�S dd�|� d S t | t�rOd�dd � | D ��S | S ) Nr r c s s � | ] }t |d d�V qdS )F)rC N)�_format_marker��.0�mr& r& r' � <genexpr>� s � z!_format_marker.<locals>.<genexpr>� �(�)c S s g | ]}|� � �qS r& )� serializerF r& r& r' � <listcomp>� � z"_format_marker.<locals>.<listcomp>)r: �listr; r* �lenrE �join)rA rC �innerr& r& r' rE � s � � rE c C s | |v S �Nr& �r= r? r& r& r' �<lambda>� � rV c C s | |vS rT r& rU r& r& r' rV � rW )�inznot in�<z<=z==z!=z>=�>zdict[str, Operator]� _operatorsr= r> r r? �str | AbstractSet[str]�boolc C s� t |t�r#z td�|�� |g��}W n ty Y nw |j| dd�S t�|�� �}|d u r<t d|�d| �d|�d���|| |�S )N� T)Z prereleasesz Undefined z on z and �.) r: r* r rR rM r �containsr[ �getr )r= r> r? �specZoperr& r& r' �_eval_op� s � rc �key�"tuple[str, str | AbstractSet[str]]c C sj |dkrt |t�s J d��t| �t|�fS |tv r1t |t�r&t| �t|�fS t| �dd� |D �fS | |fS )Nr9 z extra value must be a stringc S s h | ]}t |��qS r& r )rG �vr& r& r' � <setcomp>� rO z _normalize.<locals>.<setcomp>)r: r* r �MARKERS_ALLOWING_SET)r= r? rd r& r& r' � _normalize� s ri �markersr � environment�!dict[str, str | AbstractSet[str]]c C s� g g}| D ]m}t |tttf�sJ �t |t�r!|d �t||�� qt |t�rc|\}}}t |t�r;|j}|| }|j} n |j}|j}|| } t |t�sNJ d��t|| |d�\}} |d �t ||| �� q|dv siJ �|dkrr|�g � qt dd� |D ��S )N���zlhs must be a string)rd )�and�orro c s s � | ]}t |�V qd S rT )�all)rG �itemr& r& r' rI � s � z$_evaluate_markers.<locals>.<genexpr>) r: rP r; r* �append�_evaluate_markersr r< ri rc �any) rj rk �groupsrA r= r> r? Zenvironment_keyZ lhs_valueZ rhs_valuer& r& r' rs � s, �rs �info�sys._version_infoc C sB | j � d| j� d| j� �}| j}|dkr ||d t| j� 7 }|S )Nr_ �finalr )�major�minor�micro� releaselevelr* �serial)rv �version�kindr& r& r' �format_full_version� s r� c C s^ t tjj�} tjj}|| tjt�� t�� t� � t�� t� � t� � d� t� � d d� �tjd� S )Nr_ � ) r+ r, r- r. r/ r0 r1 r2 r3 r4 r5 )r� �sys�implementationr~ �name�os�platform�machine�release�systemr4 �python_implementationrR �python_version_tuple)Ziverr+ r& r& r' r s �r c @ sN e Zd Zddd�Zd dd�Zd d d �Zd d d �Zd dd�Z d d dd�ZdS )!r rA r* r8 �Nonec C s< z t t|��| _W d S ty } ztt|��|�d }~ww rT )r@ � _parse_marker�_markersr r r* )�selfrA �er& r& r' �__init__ s ��zMarker.__init__c C s t | j�S rT )rE r� �r� r& r& r' �__str__, s zMarker.__str__c C s d| � d�S )Nz <Marker('z')>r& r� r& r& r' �__repr__/ s zMarker.__repr__�intc C s t | jjt| �f�S rT )�hash� __class__r" r* r� r& r& r' �__hash__2 s zMarker.__hash__�otherr r] c C s t |t�stS t| �t|�kS rT )r: r �NotImplementedr* )r� r� r& r& r' �__eq__5 s z Marker.__eq__Nr rk �dict[str, str] | None�contextr c C sv t dt� �}|dkr|jt� t� d� n|dkr d|d< |dur3|�|� d|v r3|d du r3d|d< t| jt|��S )a? Evaluate a marker. Return the boolean from evaluating the given marker against the environment. environment is an optional argument to override all or part of the determined environment. The *context* parameter specifies what context the markers are being evaluated for, which influences what markers are considered valid. Acceptable values are "metadata" (for core metadata; default), "lock_file", and "requirement" (i.e. all other situations). The environment is determined from the current Python process. rl r )r r r r^ r9 N)r r �update� frozensetrs r� �_repair_python_full_version)r� rk r� Zcurrent_environmentr& r& r' �evaluate; s �� �zMarker.evaluate)rA r* r8 r� )r8 r* )r8 r� )r� r r8 r] )Nr )rk r� r� r r8 r] ) r" r# r$ r� r� r� r� r� r� r& r& r& r' r s �r �envc C s* t t| d �}|�d�r|� d�| d< | S )z� Work around platform.python_version() returning something that is not PEP 440 compliant for non-tagged Python builds. r2 �+�local)r r* �endswith)r� r2 r& r& r' r� ` s r� )r7 r r8 r )T)rA rB rC rD r8 r* )r= r* r> r r? r\ r8 r] )r= r* r? r\ rd r* r8 re )rj r rk rl r8 r] )rv rw r8 r* )r8 r) )r� rl r8 rl )9� __future__r �operatorr� r� r� �typingr r r r r r r Z_parserr r r r r r r� Z _tokenizerr Z specifiersr r �utilsr �__all__r* r] ZOperatorr rh � ValueErrorr r r r) r@ rE �lt�le�eq�ne�ge�gtr[ r6 rc ri rs r� r r r� r& r& r& r' �<module> sL $ H � � N
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