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Tc C s || _ || _d| _d S )NF)� migration�include_header�needs_manual_porting)r rP rQ r r r r | r zMigrationWriter.__init__c C s� ddd�}t � }g }| jjD ]}t|��� \}}|�|� |�|� q|r,d�|�d nd|d< g }| jjD ]#}|d dkrM|�d|d � |� d � q6|�d | �|�d � q6|rcd�|�d nd|d < t � } t |�D ] } t � d | �r�| � | � d �d �� � |�| � d| _qnd|v r�|�d� |� d� n|� d� t|dd� d�} |r�d�| �d nd|d< | r�|d dd�t| �� 7 < | jjr�d| �| jj�d |d< | jr�tt� t� �d�d� |d < nd|d < | jjr�d |d < t| S ) z%Return a string of the file contents.� )� replaces_str� initial_strrL � operationsr � __setting__z5 migrations.swappable_dependency(settings.%s),r z from django.conf import settingsz %s,� dependenciesz^import (.*)\.\d+[^\s]*$�importTz from django.db import modelsz(from django.db import migrations, modelsz from django.db import migrationsc S s | � � d S rD )�split)rA r r r �<lambda>� s z+MigrationWriter.as_string.<locals>.<lambda>)r* r4 z� # Functions from the following migrations need manual copying. # Move them and any dependencies into this file, then update the # RunPython operations to refer to the local versions: # %sz # z replaces = %s rT z%Y-%m-%d %H:%M)�version� timestamp�migration_headerz initial = True rU )r6 rP rV r r# r& rJ rM rX r: r �re�matchrZ �strip�removerR �discard�sorted�replacesrQ �MIGRATION_HEADER_TEMPLATEr r �strftime�initial�MIGRATION_TEMPLATE) r r! r4 rV r �operation_string�operation_importsrX � dependency�migration_importsrK �sorted_importsr r r � as_string� sf � �� � �� �zMigrationWriter.as_stringc C s� t �| jj�\}}|d u rtd| jj ��zt|�}W n ty$ Y nw zt|�W S ty3 Y nw t� | jj�}|� d�\}}}|j |krPt j �|j |�S |�d�g }}|r�|�d|�d�� z td�|��} W n ttfyw Y qXw zt| �} W n ty� Y qXw ntd| ��t j j| g|�R � } t j| dd� |D ]#} t j �| | �} tt j �| d�d �� W d � n1 s�w Y q�| S ) NztDjango can't create migrations for app '%s' because migrations have been disabled via the MIGRATION_MODULES setting.�.r r z�Could not locate an appropriate location to create migrations package %s. Make sure the toplevel package exists and can be imported.T)�exist_okz __init__.py�w)r �migrations_modulerP � app_label� ValueErrorr � ImportErrorr r �get_app_config� rpartitionr> �os�pathrM rZ �insert�pop�makedirs�open) r �migrations_package_name�_rs � app_config�maybe_app_name�migrations_package_basename� existing_dirs� missing_dirs� base_module�base_dir� final_dir� missing_dirr r r �basedir� sn ��� � �� � ��� ��zMigrationWriter.basedirc C s d| j j S )Nz%s.py)rP r> rF r r r �filename � zMigrationWriter.filenamec C s t j�| j| j�S r )ry rz rM r� r� rF r r r rz s zMigrationWriter.pathc C s t |��� S r )r r# )�clsr+ r r r r# r� zMigrationWriter.serializec C s t �||� d S r )r �register)r� �type_� serializerr r r �register_serializer s z#MigrationWriter.register_serializerc C s t �|� d S r )r � unregister)r� r� r r r �unregister_serializer s z%MigrationWriter.unregister_serializerN)T)rN r; rO �__doc__r ro �propertyr� r� rz � classmethodr# r� r� r r r r r" v s M A r" z4# Generated by Django %(version)s on %(timestamp)s z�%(migration_header)s%(imports)s class Migration(migrations.Migration): %(replaces_str)s%(initial_str)s dependencies = [ %(dependencies)s ] operations = [ %(operations)s ] )ry r_ � importlibr �djangor � django.appsr � django.confr � django.dbr �django.db.migrations.loaderr � django.db.migrations.serializerr r �django.utils.inspectr �django.utils.module_loadingr �django.utils.timezoner r r" rf ri r r r r �<module> s" d 0
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