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o �h4 � @ s� d dl Z d dlZd dlZd dlZd dlmZ d dlmZ d dlm Z d dl m Z d dl m Z ddlmZ G d d � d �ZG d d � d e�ZG d d� de�ZdS )� N)�apps)� OutputWrapper)� NOT_PROVIDED)�timezone)�get_docs_version� )�MigrationLoaderc @ sZ e Zd ZdZddd�Zdd� Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z dS )�MigrationQuestionerz� Give the autodetector responses to questions it might have. This base class has a built-in noninteractive mode, but the interactive subclass is what the command-line arguments will use. Nc C s |pi | _ |p t� | _|| _d S �N)�defaults�set�specified_apps�dry_run)�selfr r r � r �U/usr/local/CyberPanel/lib/python3.10/site-packages/django/db/migrations/questioner.py�__init__ s z MigrationQuestioner.__init__c C s� || j v rdS zt�|�}W n ty | j�dd� Y S w t�|j�\}}|du r2| j�dd�S zt � |�}W n t yI | j�dd� Y S w t |dd�r[t �t j�|j��}nt|d�rst|j�dkridS t �t|j�d �}td d � |D �� S ) z2Should we create an initial migration for the app?T� ask_initialFN�__file__�__path__r r c s s" � | ] }|d kr|� d�V qdS )z __init__.pyz.pyN)�endswith)�.0�xr r r � <genexpr>7 s � z2MigrationQuestioner.ask_initial.<locals>.<genexpr>)r r �get_app_config� LookupErrorr �getr �migrations_module�label� importlib� import_module� ImportError�getattr�os�listdir�path�dirnamer �hasattr�lenr �list�any)r � app_label� app_config�migrations_import_path�_r � filenamesr r r r s, � � z MigrationQuestioner.ask_initialc C � dS )�#Adding a NOT NULL field to a model.Nr �r � field_name� model_namer r r �ask_not_null_addition9 � z)MigrationQuestioner.ask_not_null_additionc C r0 )�"Changing a NULL field to NOT NULL.Nr r2 r r r �ask_not_null_alteration> r6 z+MigrationQuestioner.ask_not_null_alterationc C � | j �dd�S )� Was this field really renamed?� ask_renameF�r r )r r4 �old_name�new_name�field_instancer r r r; C � z MigrationQuestioner.ask_renamec C r9 )� Was this model really renamed?�ask_rename_modelFr< )r �old_model_state�new_model_stater r r rB G r@ z$MigrationQuestioner.ask_rename_modelc C r9 )z)Should these migrations really be merged?� ask_mergeFr< �r r+ r r r rE K r@ z MigrationQuestioner.ask_mergec C r0 )�(Adding an auto_now_add field to a model.Nr r2 r r r �ask_auto_now_add_additionO r6 z-MigrationQuestioner.ask_auto_now_add_additionc C r0 )�.Adding a unique field with a callable default.Nr r2 r r r �$ask_unique_callable_default_additionT r6 z8MigrationQuestioner.ask_unique_callable_default_addition)NNN) �__name__� __module__� __qualname__�__doc__r r r5 r8 r; rB rE rH rJ r r r r r s r c st e Zd Z d� fdd� Zddd�Zdd� Zdd d �Zd d � Zd d� Zdd� Z dd� Z dd� Z dd� Z dd� Z � ZS ) � InteractiveMigrationQuestionerNc s& t � j|||d� |pttj�| _d S �N)r r r )�superr r �sys�stdout� prompt_output)r r r r rT �� __class__r r r [ s �z'InteractiveMigrationQuestioner.__init__c C sz | j j|� d�dd� t� }|s|d ur|S |r |d �� dvr5| j jddd� t� }|r |d �� dvs |d �� dkS )N� � ��endingr �ynzPlease answer yes or no: �y)rT �write�input�lower)r �question�default�resultr r r �_boolean_inputc s �z-InteractiveMigrationQuestioner._boolean_inputc C s� | j �|� � t|�D ]\}}| j �d|d |f � q | j jddd� t� } zt|�}W n ty7 Y nw d| k rEt|�krF|S | j jddd� t� }q() Nz %s) %sr zSelect an option: rX rY Tr z Please select a valid option: )rT r] � enumerater^ �int� ValueErrorr( )r r` �choices�i�choicerb �valuer r r � _choice_inputm s" ���z,InteractiveMigrationQuestioner._choice_inputrX c C s� | j �d� |r| j �d|� d�� | j �d� | j �d� |r'd�|�}nd}| j j|d d � t� }|s:|r:|}|sC| j �d � n1|d krMt�d � n'z t|i ttd��W S t t fys } z| j �d| � W Y d}~nd}~ww q )z� Prompt for a default value. The ``default`` argument allows providing a custom default value (as a string) which will be shown to the user and used as the return value if the user doesn't provide any other input. z/Please enter the default value as valid Python.zAccept the default 'z/' by pressing 'Enter' or provide another value.zxThe datetime and django.utils.timezone modules are available, so it is possible to provide e.g. timezone.now as a value.z Type 'exit' to exit this promptTz[default: {}] >>> z>>> rX rY z;Please enter some code, or 'exit' (without quotes) to exit.�exitr )�datetimer zInvalid input: %sN) rT r] �formatr^ rR rl �evalrm r � SyntaxError� NameError)r ra �prompt�code�er r r � _ask_default~ s< �� � ���z+InteractiveMigrationQuestioner._ask_defaultc C sF | j s!| �d|� d|� d�ddg�}|dkr t�d� dS | �� S dS ) r1 z.It is impossible to add a non-nullable field 'z' to z{ without specifying a default. This is because the database needs something to populate existing rows. Please select a fix:�bProvide a one-off default now (will be set on all existing rows with a null value for this column)�6Quit and manually define a default value in models.py.� � N�r rk rR rl ru �r r3 r4 ri r r r r5 � s ��� �z4InteractiveMigrationQuestioner.ask_not_null_additionc C sR | j s'| �d|� d|� d�g d��}|dkrtS |dkr#t�d� dS | �� S dS )r7 z-It is impossible to change a nullable field 'z' on z� to non-nullable without providing a default. This is because the database needs something to populate existing rows. Please select a fix:)rv z�Ignore for now. Existing rows that contain NULL values will have to be handled manually, for example with a RunPython or RunSQL operation.rw rx ry N)r rk r rR rl ru r{ r r r r8 � s �� �z6InteractiveMigrationQuestioner.ask_not_null_alterationc C s" d}| � ||||||jjf d�S )r: z(Was %s.%s renamed to %s.%s (a %s)? [y/N]F)rc rV rK )r r4 r= r> r? �msgr r r r; � s ���z)InteractiveMigrationQuestioner.ask_renamec C s d}| � ||j|j|jf d�S )rA z(Was the model %s.%s renamed to %s? [y/N]F)rc r+ �name)r rC rD r| r r r rB � s ��z/InteractiveMigrationQuestioner.ask_rename_modelc C s | � dd�S )Nz� Merging will only work if the operations printed above do not conflict with each other (working on different fields or models) Should these migration branches be merged? [y/N]F)rc rF r r r rE � s �z(InteractiveMigrationQuestioner.ask_mergec C sJ | j s#| �d|� d|� d�ddg�}|dkr t�d� d S | jdd �S d S ) rG z#It is impossible to add the field 'z ' with 'auto_now_add=True' to zf without providing a default. This is because the database needs something to populate existing rows. zDProvide a one-off default now which will be set on all existing rowsrw rx ry z timezone.now)ra Nrz r{ r r r rH � s ��� �z8InteractiveMigrationQuestioner.ask_auto_now_add_additionc C sH | j s"t� }| �d|� d|� d�d|� d�dg�}|dkr"t�d� d S ) rI z!Callable default on unique field �.zO will not generate unique values upon migrating. Please choose how to proceed: z�Continue making this migration as the first step in writing a manual migration to generate unique values described here: https://docs.djangoproject.com/en/z=/howto/writing-migrations/#migrations-that-add-unique-fields.z)Quit and edit field options in models.py.rx ry N)r r rk rR rl )r r3 r4 �versionri r r r rJ s ��� zCInteractiveMigrationQuestioner.ask_unique_callable_default_addition)NNNNr )rX )rK rL rM r rc rk ru r5 r8 r; rB rE rH rJ � __classcell__r r rU r rO Z s � ( rO c sH e Zd Z d � fdd� Zdd� Zdd� Zd d � Zd d � Z� ZS )�!NonInteractiveMigrationQuestionerNr c s" || _ || _t� j|||d� d S rP )� verbosity�logrQ r )r r r r r� r� rU r r r $ s �z*NonInteractiveMigrationQuestioner.__init__c C s0 | j dkr| �d|� d|� d|� d�� d S d S )Nr �Field '� ' on model 'z' not migrated: r~ )r� r� )r r3 r4 �reasonr r r �log_lack_of_migration4 s ���z7NonInteractiveMigrationQuestioner.log_lack_of_migrationc C � | � ||d� t�d� d S )NzIit is impossible to add a non-nullable field without specifying a defaultry �r� rR rl r2 r r r r5 ; � �z7NonInteractiveMigrationQuestioner.ask_not_null_additionc C s | � d|� d|� d�� tS )Nr� r� z8' given a default of NOT PROVIDED and must be corrected.)r� r r2 r r r r8 E s �z9NonInteractiveMigrationQuestioner.ask_not_null_alterationc C r� )NzUit is impossible to add a field with 'auto_now_add=True' without specifying a defaultry r� r2 r r r rH M r� z;NonInteractiveMigrationQuestioner.ask_auto_now_add_addition)NNNr N) rK rL rM r r� r5 r8 rH r� r r rU r r� # s � r� )rm r r# rR � django.appsr �django.core.management.baser �django.db.modelsr � django.utilsr �django.utils.versionr �loaderr r rO r� r r r r �<module> s K J
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