OwlCyberSecurity - MANAGER
Edit File: prepare.cpython-38.pyc
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P s r? )r5 �download� download_dir�hashesr- c C sV t ddd�}d }|r t| ||�}|r.|}d }n || |j�\}}|rL|�|� t||�S )Nr< T��kind�globally_managed)r% �_check_download_dirr@ �check_against_pathr? )r5 rJ rK rL �temp_dir�already_downloaded_path� from_pathrA r2 r2 r3 � get_http_urlY s rU )r5 rK rL r- c C s< d}|rt | ||�}|r |}n| j}|r2|�|� t|d�S )z'Get file and optionally check its hash.N)rP � file_pathrQ r? )r5 rK rL rS rT r2 r2 r3 � get_file_urlq s rW )r5 r6 rJ r7 rK rL r- c C sd | j rt| ||d� dS | �� r$t�| jr:t| ||d�}nt| |||d�}| js`t|j ||j � |S )a_ Unpack link into location, downloading if required. :param hashes: A Hashes object, one of whose embedded hashes must match, or HashMismatch will be raised. If the Hashes is empty, no matches are required, and unhashable types of requirements (like VCS ones, which would ordinarily raise HashUnsupported) are allowed. )r7 N)rL ) �is_vcsr> �is_existing_dirr; �is_filerW rU �is_wheelr& r@ rA )r5 r6 rJ r7 rK rL �filer2 r2 r3 � unpack_url� s � r] c C sp t j�|| j�}t j�|�s dS t�d|� |rlz|�|� W n, tk rj t� d|� t � |� Y dS X |S )z�Check download_dir for previously downloaded file with correct hash If a correct file is found return its path else None Nz File was already downloaded %sz;Previously-downloaded file %s has bad hash. Re-downloading.) �osr@ �join�filename�exists�logger�inforQ r �warning�unlink)r5 rK rL � download_pathr2 r2 r3 rP � s � rP c s e Zd ZdZeee eeeeeee eeee dd�� fdd� Z e dd�dd�Z e edd �d d �Ze ed�d d �Zeee d�dd�Zd#ee edd�dd�Zd$e eed �dd�Zd%ee edd�dd�Ze eed �dd�Ze dd�d d �Ze ed�d d �Ze eed �d!d"�Z� Z S )&�RequirementPreparerzPrepares a RequirementN)� build_dirrK �src_dirr+ r, r) �session� progress_barr* �require_hashes� use_user_site� lazy_wheelr7 r- c sz t � �� || _|| _|| _|| _t||�| _t||�| _ | | _ || _ || _ || _ | | _| | _| | _| | _i | _d| _d S )N)� ro )�superrE ri rh r) �_sessionr � _downloadr �_batch_downloadr* rK r+ r, rl rm �use_lazy_wheelr7 � _downloaded� _previous_requirement_header)rD rh rK ri r+ r, r) rj rk r* rl rm rn r7 �� __class__r2 r3 rE � s" z RequirementPreparer.__init__)r( r- c C s� |j jr$|js$d}tt|j j��}nd}t|jp2|�}||f| jkrZ||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 %szUsing cached %sN) r5 rZ � original_link_is_in_wheel_cacherI r! rV r( rv rb rc r r` )rD r( �message� informationr2 r2 r3 �_log_preparing_link s z'RequirementPreparer._log_preparing_link)r( �parallel_buildsr- c C sd |j jr dS |jdkst�|j �� r2|j j|_dS |j| jd|d� t|j�r`t d� ||j���dS )z1Ensure source_dir of a linked InstallRequirement.NT)� autodeleter} z�pip can't proceed with requirements '{}' due to apre-existing build directory ({}). 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Please delete it and try again.) r5 r[ � source_dirr; rY rV �ensure_has_source_dirrh r$ r �format)rD r( r} r2 r2 r3 �_ensure_link_req_src_dir s$ � ��z,RequirementPreparer._ensure_link_req_src_dirc C sX | j s|jdd�S |jjr t� �|j�� r0t� �|jd krF|jsFt � �|jdd�pVt � S )NT)�trust_internetF) rl rL r5 rX r rY r � original_link� is_pinnedr r )rD r( r2 r2 r3 �_get_linked_req_hashes= s z*RequirementPreparer._get_linked_req_hashes)r5 r- c C s� | j s dS | jr t�d� 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.Nz3Lazy wheel is not used as hash checking is requiredz>Lazy wheel is not used as %r does not points to a remote wheelz+Obtaining dependency information from %s %s�#� r z"%s does not support range requests)rt rl rb �debugrZ r[ r r` r �namerc �versionr8 �splitr rq r )rD r5 �wheelr� r8 r2 r2 r3 � _fetch_metadata_using_lazy_wheel] s0 � � z4RequirementPreparer._fetch_metadata_using_lazy_wheelF)�partially_downloaded_reqsr} r- c C s� t ddd�j}i }|D ]}|js$t�|||j< q| �|�� |�}|D ](\}\}} t�d||� || }||_qD|D ]}| � ||� qrdS )z>Download any requirements which were only fetched by metadata.r< TrM zDownloading link %s to %sN) r% r@ r5 r; rs �keysrb r� �local_file_path�_prepare_linked_requirement) rD r� r} rR �links_to_fully_downloadr( �batch_downloadr5 �filepath�_r2 r2 r3 � _complete_partial_requirements| s �z2RequirementPreparer._complete_partial_requirementsc C s� |j s t�|j }| �|� t� �� d}| jdk rP|jrP| �|�}t|j | j|�}|dk rh|| j|j j < n(| � |�}|dk r�d|_ |W 5 Q R � S | � ||�W 5 Q R � S Q R X dS )z3Prepare a requirement to be obtained from req.link.NT) r5 r; r| r rK r[ r� rP ru r8 r� �needs_more_preparationr� )rD r( r} r5 rV rL � wheel_distr2 r2 r3 �prepare_linked_requirement� s z.RequirementPreparer.prepare_linked_requirement)�reqsr} r- c C s� dd� |D �}|D ]L}| j dk r|jjr| �|�}t|j| j |�}|dk r|| j|jj< d|_qg }|D ]"}|jr~|�|� qh| � ||� qh| j ||d� dS )z,Prepare linked requirements more, if needed.c S s g | ]}|j r|�qS r2 )r� )�.0r( r2 r2 r3 � <listcomp>� s zHRequirementPreparer.prepare_linked_requirements_more.<locals>.<listcomp>NF)r} ) rK r5 r[ r� rP ru r8 r� �appendr� r� )rD r� r} r( rL rV r� r2 r2 r3 � prepare_linked_requirements_more� s" �z4RequirementPreparer.prepare_linked_requirements_morec C sN |j s t�|j }| �||� | �|�}|�� r4d }n�|j| jkr�z t||j| j | j | j |�}W q� t k r� } zt d�|||���W 5 d }~X Y q�X n&| j|j }|r�|�|� t|d d�}|jd k�r$|jr�t�t||j�|_t|jjt��r$|jjj�s$|�r$t|j�d �� }d|� �|jj_|�r2|j|_t || j | j | j | j �} | S )NzDCould not install requirement {} because of HTTP error {} for URL {})rA r zsha256=)!r5 r; r� r� rY r8 ru r] r rr r7 rK r r r� rQ r? � download_info�editabler � isinstancerc r �hashr" r@ � hexdigestr� r4 r) r* r+ r, ) rD r( r} r5 rL � local_file�excrV r� �distr2 r2 r3 r� � sb � �� ����z/RequirementPreparer._prepare_linked_requirementc C s� | j d k st�|jd k s t�|j}|js6|�� rF|jrF|�| j � d S |�� r^t�d|� d S |j d krld S t j � | j |j �}t j �|�s�t�|j |� t|�}t�d|� d S )NzENot copying link to destination directory since it is a directory: %szSaved %s)rK r; r5 rX rY r� �archiverb r� r� r^ r@ r_ r` ra �shutil�copyr! rc )rD r( r5 �download_locationrf r2 r2 r3 �save_linked_requirement s& � z+RequirementPreparer.save_linked_requirementc C s� |j std��t�d|� t� �h | jr6td�|���|�| j � |� � |j sTt�t |j �|_t|| j| j| j| j�}|�| j� W 5 Q R X |S )z Prepare an editable requirement.z-cannot prepare a non-editable req as editablez Obtaining %szoThe editable requirement {} cannot be installed when requiring hashes, because there is no single file to hash.)r� r; rb rc r rl r r� r� ri �update_editabler r �unpacked_source_directoryr� r4 r) r* r+ r, �check_if_existsrm )rD r( r� r2 r2 r3 � prepare_editable_requirement/ s, �� �z0RequirementPreparer.prepare_editable_requirement)r( � skip_reasonr- c C st |j std��|dk s&td�|j ���t�d|||j j� t� �* | jrRt�d� t |�� � W 5 Q R � S Q R X dS )z)Prepare an already-installed requirement.z(req should have been satisfied but isn'tNzAdid not get skip reason skipped but req.satisfied_by is set to {}zRequirement %s: %s (%s)z�Since it is already installed, we are trusting this package without checking its hash. 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