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# -*- coding: utf-8 -*- |
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# Generated by Django 1.11.21 on 2019-07-01 11:23 |
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from __future__ import unicode_literals |
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from django.db import migrations |
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from common.constants import SAMPLE_STORAGE, SAMPLE_STORAGE_PROCESSING |
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def convert_storage(apps, schema_editor): |
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"""read from storage field and set data to storage_new""" |
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# When using multiple databases, you may need to figure out whether or |
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# not to run a migration against a particular database. For example, |
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# you may want to only run a migration on a particular database. |
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# whithout the following condition, I will fail tests during migrations, |
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# while default database works as expected |
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if schema_editor.connection.alias != 'default': |
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return |
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Sample = apps.get_model('image_app', 'Sample') |
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for sample in Sample.objects.all(): |
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if sample.storage is None: |
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continue |
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sample.storage_new = SAMPLE_STORAGE.get_value_by_desc(sample.storage) |
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sample.save() |
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def convert_storage_processing(apps, schema_editor): |
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""" |
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read from storage_processing field and set data to storage_processing_new |
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""" |
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if schema_editor.connection.alias != 'default': |
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return |
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Sample = apps.get_model('image_app', 'Sample') |
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for sample in Sample.objects.all(): |
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if sample.storage_processing is None: |
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continue |
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sample.storage_processing_new = \ |
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SAMPLE_STORAGE_PROCESSING.get_value_by_desc( |
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sample.storage_processing) |
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sample.save() |
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class Migration(migrations.Migration): |
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dependencies = [ |
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('image_app', '0023_auto_20190701_1317'), |
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] |
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operations = [ |
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migrations.RunPython(convert_storage), |
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migrations.RunPython(convert_storage_processing), |
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] |
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cnr-ibba /
IMAGE-InjectTool
