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편집 파일: prepare.cpython-38.pyc
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If the Hashes is empty, no matches are required, and unhashable types of requirements (like VCS ones, which would ordinarily raise HashUnsupported) are allowed. )r< N�rR ) �is_vcsrC �is_existing_dirr@ �is_filer] r[ �is_wheelr* rE rF )r: r; rP r< rQ rR �filer7 r7 r8 � unpack_url� s � rd T)r: rQ rR �warn_on_hash_mismatchr1 c C st t j�|| j�}t j�|�s dS t�d|� |rpz|�|� W n0 tk rn |r^t� d|� t � |� Y dS X |S )z�Check download_dir for previously downloaded file with correct hash If a correct file is found return its path else None Nz File was already downloaded %sz;Previously-downloaded file %s has bad hash. Re-downloading.) �osrE �join�filename�exists�logger�inforW r �warning�unlink)r: rQ rR re � download_pathr7 r7 r8 rV � s � rV c s< e Zd ZdZeee eeeeeee eeee edd�� fdd� Z e dd�dd�Z e edd �d d �Ze ed�d d �Ze ee d�dd�Ze ee d�dd�Zeee d�dd�Zd'ee edd�dd�Zd(e eed �dd�Zd)ee edd�d d �Ze eed �d d �Ze dd�d d!�Ze ed�d"d#�Z e eed$�d%d&�Z � Z S )*�RequirementPreparerzPrepares a RequirementN)� build_dirrQ �src_dirr/ r0 r- �session� progress_barr. �require_hashes� use_user_site� lazy_wheelr< �legacy_resolverr1 c s� t � �� || _|| _|| _|| _t||�| _t||�| _ | | _ || _ || _ || _ | | _| | _| | _| | _|| _i | _d| _d S )N)� rx )�super�__init__rq rp r- �_sessionr � _downloadr �_batch_downloadr. rQ r/ r0 rt ru �use_lazy_wheelr< rw � _downloaded� _previous_requirement_header)rI rp rQ rq r/ r0 r- rr rs r. rt ru rv r< rw �� __class__r7 r8 rz � s$ z RequirementPreparer.__init__)r, r1 c C s� |j jr$|js$d}tt|j j��}n d}|jr8t|j�nt|�}|jr~|jr~t |jt�r`|j}n |j� � }|r~|d|� d�7 }||f| j kr�||f| _ t � ||� |jr�t� � t � d|j j� W 5 Q R X dS )z3Provide context for the requirement being prepared.z Processing %sz Collecting %sz (from �)zUsing cached %sN)r: ra �is_wheel_from_cacherN r% r\ r, r( � comes_from� isinstancerZ r� rj rk r$ rh )rI r, �message� informationr� r7 r7 r8 �_log_preparing_link s" z'RequirementPreparer._log_preparing_link)r, �parallel_buildsr1 c C sP |j jr dS |jdkst�|j �� r2|j j|_dS |j| jd|d� |�� dS )z1Ensure source_dir of a linked InstallRequirement.NT)� autodeleter� ) r: rb � source_dirr@ r` r\ �ensure_has_source_dirrp � ensure_pristine_source_checkout)rI r, r� r7 r7 r8 �_ensure_link_req_src_dir/ s �z,RequirementPreparer._ensure_link_req_src_dirc C sT | j s|jdd�S |jjr t� �|j�� r0t� �|jsB|jsBt � �|jdd�pRt � S )NT)�trust_internetF) rt rR r: r_ r r` r � is_direct� is_pinnedr r# �rI r, r7 r7 r8 �_get_linked_req_hashesF s z*RequirementPreparer._get_linked_req_hashesc C s> | j rt�d� d S | jr(t�d� d S | �|�p<| �|j�S )Nz9Metadata-only fetching is not used in the legacy resolverz?Metadata-only fetching is not used as hash checking is required)rw rj �debugrt �$_fetch_metadata_using_link_data_attr� _fetch_metadata_using_lazy_wheelr: r� r7 r7 r8 �_fetch_metadata_onlyf s ��� �z(RequirementPreparer._fetch_metadata_onlyc C s� |j �� }|dkrdS |jdk s$t�t�d|j|� t|| j|�� d�}t |j d��}|� � }W 5 Q R X t ||j j |jj�}t|j�t|jj�kr�t|d|jj|j��|S )zGFetch metadata from the data-dist-info-metadata attribute, if possible.Nz/Obtaining dependency information for %s from %sr^ �rb�Name)r: � metadata_linkr, r@ rj �verboser[ r| � as_hashes�openrE �readr rh �namer �raw_namer )rI r, r� � metadata_file�f�metadata_contents� metadata_distr7 r7 r8 r� y s: ��� �z8RequirementPreparer._fetch_metadata_using_link_data_attr)r: r1 c C s� | j s dS |js|js&t�d|� dS t|j�}t|j�}t� d||j � |j � dd�d }zt ||| j�W S tk r� t�d|� Y dS X dS )z-Fetch metadata using lazy wheel, if possible.Nz=Lazy wheel is not used as %r does not point to a remote wheelz+Obtaining dependency information from %s %s�#� r z"%s does not support range requests)r~ ra rb rj r� r rh r r� rk �versionr= �splitr r{ r )rI r: �wheelr� r= r7 r7 r8 r� � s* � � z4RequirementPreparer._fetch_metadata_using_lazy_wheelF)�partially_downloaded_reqsr� r1 c C s� t ddd�j}i }|D ]}|js$t�|||j< q| �|�� |�}|D ]J\}\}} t�d||� || }||_|| j |jj < |j sD|� t |�� qD|D ]}| �||� q�dS )z>Download any requirements which were only fetched by metadata.rA TrS zDownloading link %s to %sN)r) rE r: r@ r} �keysrj r� �local_file_pathr r= rb �needs_unpacked_archiver �_prepare_linked_requirement) rI r� r� rX �links_to_fully_downloadr, �batch_downloadr: �filepath�_r7 r7 r8 � _complete_partial_requirements� s$ �z2RequirementPreparer._complete_partial_requirementsc C s� |j s t�| �|� t� �� d}| jdk rT|j jrT| �|�}t|j | j||j d�}|dk rl|| j |j j < n(| � |�}|dk r�d|_ |W 5 Q R � S | � ||�W 5 Q R � S Q R X dS )z3Prepare a requirement to be obtained from req.link.N)re T)r: r@ r� r$ rQ rb r� rV r� r r= r� �needs_more_preparationr� )rI r, r� r\ rR r� r7 r7 r8 �prepare_linked_requirement� s& � z.RequirementPreparer.prepare_linked_requirement)�reqsr� r1 c C s� dd� |D �}|D ]L}| j dk r|jjr| �|�}t|j| j |�}|dk r|| j|jj< d|_qg }|D ]"}|jr~|�|� qh| � ||� qh| j ||d� dS )z,Prepare linked requirements more, if needed.c S s g | ]}|j r|�qS r7 )r� )�.0r, r7 r7 r8 � <listcomp> s zHRequirementPreparer.prepare_linked_requirements_more.<locals>.<listcomp>NF)r� ) rQ r: rb r� rV r r= r� �appendr� r� )rI r� r� r, rR r\ r� r7 r7 r8 � prepare_linked_requirements_more s" �z4RequirementPreparer.prepare_linked_requirements_morec C s� |j s t�|j }| �|�}|r�|jr�|jd k s2t�|js<t�|jsFt�t|jjt �rt|jjj rt|� |jjj �rtd }nt � d� |j|_ |j }| �||� |�� r�d }n�|j| jk�rz t||j| j| j| j|�}W n> tk �r } z td|� d|� d|� ���W 5 d }~X Y nX n(| j|j }|�r0|�|� t|d d�}|jd k�r�|j �rTt�t ||j�|_t|jjt ��r�|jjj �s�|�r�t |j �d � � }d|� �|jj_!|�r�|j |_"t#|| j$| j%| j&| j'�} | S )NzyThe hashes of the source archive found in cache entry don't match, ignoring cached built wheel and re-downloading source.z Could not install requirement z 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To ensure a completely repeatable environment, install into an empty virtualenv.) � satisfied_byr@ rj rk r� r$ rt r� r r )rI r, r� r7 r7 r8 � prepare_installed_requirement� s � ��z1RequirementPreparer.prepare_installed_requirement)F)F)F) rK rL rM �__doc__rN r �boolr r r �intrz r r� r� r" r� r r� r� r r� r r� r� r� r� r� r� r� � __classcell__r7 r7 r� r8 ro � s| �: � "� � +� �� - � � ' � � � \ � #�ro )NN)NN)NN)T)Tr� rG rf r� � dataclassesr �pathlibr �typingr r r r Zpip._vendor.packaging.utilsr �pip._internal.distributionsr �%pip._internal.distributions.installedr �pip._internal.exceptionsr r r r r r r �"pip._internal.index.package_finderr �pip._internal.metadatar r � pip._internal.models.direct_urlr �pip._internal.models.linkr �pip._internal.models.wheelr � pip._internal.network.downloadr r � pip._internal.network.lazy_wheelr r � pip._internal.network.sessionr �,pip._internal.operations.build.build_trackerr Z pip._internal.req.req_installr �pip._internal.utils._logr �&pip._internal.utils.direct_url_helpersr r! �pip._internal.utils.hashesr" r# �pip._internal.utils.loggingr$ �pip._internal.utils.miscr% r& r' r( � pip._internal.utils.temp_dirr) � pip._internal.utils.unpackingr* �pip._internal.vcsr+ rK rj r� r9 rN r� rC rD r[ r] rd rV ro r7 r7 r7 r8 �<module> s� $ � �� � � �� / ��