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This allows downloads to be interrupted without leaving temporary state (like hidden cursors) behind. This class is similar to the progress library's existing SigIntMixin helper, but as of version 1.2, that helper has the following problems: 1. It calls sys.exit(). 2. It discards the existing SIGINT handler completely. 3. It leaves its own handler in place even after an uninterrupted finish, which will have unexpected delayed effects if the user triggers an unrelated keyboard interrupt some time after a progress-displaying download has already completed, for example. �args�kwargsr Nc s8 t � j|i |�� tt| j�| _| jdu rt| _dS dS )z= Save the original SIGINT handler for later. N)�super�__init__r r � handle_sigint�original_handlerr ��selfr0 r1 �� __class__r+ r, r3 T s �zInterruptibleMixin.__init__c s t � �� tt| j� dS )z� Restore the original SIGINT handler after finishing. This should happen regardless of whether the progress display finishes normally, or gets interrupted. N)r2 �finishr r r5 �r7 r8 r+ r, r: e s zInterruptibleMixin.finishc C s | � � | �||� dS )z� Call self.finish() before delegating to the original SIGINT handler. This handler should only be in place while the progress display is active. N)r: r5 )r7 �signum�framer+ r+ r, r4 o s z InterruptibleMixin.handle_sigint�r N) �__name__� __module__� __qualname__�__doc__r r3 r: r4 � __classcell__r+ r+ r8 r, r/ B s r/ c @ s e Zd Zddd�ZdS )� SilentBarr Nc C s d S �Nr+ r; r+ r+ r, �update{ s zSilentBar.updater> )r? r@ rA rF r+ r+ r+ r, rD z s rD c @ s e Zd ZdZdZdZdZdS )� BlueEmojiBar� %(percent)d%%� )u 🔹u 🔷u 🔵N)r? r@ rA �suffix� bar_prefix� bar_suffixr# r+ r+ r+ r, rG s rG c sh e Zd Zdededdf� fdd� Zedefdd��Zedefd d ��Zedefd d ��Z d d� Z � Z S )�DownloadProgressMixinr0 r1 r Nc s, t � j|i |�� dt� d | j | _d S )NrI � )r2 r3 r �messager6 r8 r+ r, r3 � s z DownloadProgressMixin.__init__c C s t | j�S rE )r �indexr; r+ r+ r, � downloaded� s z DownloadProgressMixin.downloadedc C s | j dkrdS td| j �d S )Ng z...� z/s)�avgr r; r+ r+ r, �download_speed� s z$DownloadProgressMixin.download_speedc C s | j r d| j� �S dS )Nzeta r! )�eta�eta_tdr; r+ r+ r, � pretty_eta� s z DownloadProgressMixin.pretty_etac c s, � |D ] }|V | � t|�� q| �� d S rE )�next�lenr: )r7 �it�xr+ r+ r, �iter� s � zDownloadProgressMixin.iter) r? r@ rA r r3 �property�strrQ rT rW r\ rC r+ r+ r8 r, rM � s rM c s* e Zd Zdededdf� fdd� Z� ZS )� WindowsMixinr0 r1 r Nc sd t r� jrd� _t� j|i |�� t r.tr0t�� j�� _� fdd�� j_� fdd�� j_d S d S d S )NFc � � j j�� S rE )r% �wrapped�isattyr+ r; r+ r, �<lambda>� � z'WindowsMixin.__init__.<locals>.<lambda>c r` rE )r% ra �flushr+ r; r+ r, rc � rd ) r � hide_cursorr2 r3 r � AnsiToWin32r% rb re r6 r8 r; r, r3 � s �zWindowsMixin.__init__)r? r@ rA r r3 rC r+ r+ r8 r, r_ � s "r_ c @ s e Zd ZejZdZdZdS )�BaseDownloadProgressBarrH z0%(downloaded)s %(download_speed)s %(pretty_eta)sN)r? r@ rA �sys�stdoutr% rO rJ r+ r+ r+ r, rh � s rh c @ � e Zd ZdS )�DefaultDownloadProgressBarN�r? r@ rA r+ r+ r+ r, rl � � rl c @ rk )�DownloadSilentBarNrm r+ r+ r+ r, ro � rn ro c @ rk )� DownloadBarNrm r+ r+ r+ r, rp � rn rp c @ rk )�DownloadFillingCirclesBarNrm r+ r+ r+ r, rq � rn rq c @ rk )� DownloadBlueEmojiProgressBarNrm r+ r+ r+ r, rr � rn rr c @ s. e Zd ZejZdZdefdd�Zddd�Z dS ) �DownloadProgressSpinnerz!%(downloaded)s %(download_speed)sr c C s" t | d�s t�| j�| _t| j�S )N�_phaser)�hasattr� itertools�cycler# rt rX r; r+ r+ r, � next_phase� s z"DownloadProgressSpinner.next_phaseNc C sN | j | }| �� }| j| }d�||rdnd||rdnd|g�}| �|� d S )Nr! rI )rO rx rJ r' �writeln)r7 rO �phaserJ �liner+ r+ r, rF � s �� z DownloadProgressSpinner.updater> ) r? r@ rA ri rj r% rJ r^ rx rF r+ r+ r+ r, rs � s rs )�off�on�ascii�pretty�emoji� progress_bar�maxc C s4 |d u s|dkrt | d � jS t | d |d�jS )Nr rR )r� )� BAR_TYPESr\ )r� r� r+ r+ r, �_legacy_progress_bar s r� �iterable�bar_type�sizec c s� � |dks J d��|s t d�}td�tddd�t� t� t� f}n|}td�t� t� t� td�t� f}t |d d i�}|j d t � d |d �}|� | D ]}|V |j |t |�d� qJW d � d S 1 sdw Y d S )Nr} z-This should only be used in the default mode.�infz([progress.description]{task.description}r{ g �?)�speedrU �refresh_per_second� rI rN )�total)�advance)�floatr r r r r r r r r �add_taskr rF rY )r� r� r� r� �columns�progress�task_id�chunkr+ r+ r, �_rich_progress_bar s4 � �� �"�r� )r� c C s. | dkr t jt| |d�S | dkrtS t| |�S )zGet an object that can be used to render the download progress. Returns a callable, that takes an iterable to "wrap". r} �r� r� r| )� functools�partialr� r\ r� r� r+ r+ r, � get_download_progress_renderer5 s r� )=r� rv ri r r r �typingr r r r r �pip._vendor.progress.barr r r � pip._vendor.progress.spinnerr �pip._vendor.rich.progressr r r r r r r r r r �pip._internal.utils.compatr �pip._internal.utils.loggingr �pip._internal.utils.miscr � pip._vendorr � Exception�bytes�DownloadProgressRendererr- r. �__annotations__r/ rD rG rM r_ rh rl ro rp rq rr rs r� r^ �intr� r� r� r+ r+ r+ r, �<module> s~ 0 �8 � � �� � ��� �%����
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