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* Catch exception on is_worker_running - Exception may occur if table is not yet available - If it *does* then we can assume the worker is no running * General error catch in offload_task * Pick an earlier migration to run from? * Update initial common migration - Handle error on table duplication * Change target migration file - Ensure that part MPTT migrations have been applied! * Fix migration ref - Need 0025 - Price field needs to be available
52 lines
2.0 KiB
Python
52 lines
2.0 KiB
Python
# Generated by Django 2.2.4 on 2019-09-02 23:02
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import django.core.validators
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from django.db import migrations, models
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class CreateModelOrSkip(migrations.CreateModel):
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"""Custom migration operation to create a model if it does not already exist.
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- If the model already exists, the migration is skipped
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- This class has been added to deal with some errors being thrown in CI tests
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- The 'common_currency' table doesn't exist anymore anyway!
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- In the future, these migrations will be squashed
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"""
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def database_forwards(self, app_label, schema_editor, from_state, to_state) -> None:
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"""Forwards migration *attempts* to create the model, but will fail gracefully if it already exists"""
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try:
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super().database_forwards(app_label, schema_editor, from_state, to_state)
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except Exception:
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pass
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def state_forwards(self, app_label, state) -> None:
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try:
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super().state_forwards(app_label, state)
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except Exception:
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pass
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class Migration(migrations.Migration):
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initial = True
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atomic = False
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dependencies = [
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]
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operations = [
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CreateModelOrSkip(
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name='Currency',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('symbol', models.CharField(help_text='Currency Symbol e.g. $', max_length=10)),
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('suffix', models.CharField(help_text='Currency Suffix e.g. AUD', max_length=10, unique=True)),
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('description', models.CharField(help_text='Currency Description', max_length=100)),
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('value', models.DecimalField(decimal_places=5, help_text='Currency Value', max_digits=10, validators=[django.core.validators.MinValueValidator(1e-05), django.core.validators.MaxValueValidator(100000)])),
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('base', models.BooleanField(default=False, help_text='Use this currency as the base currency')),
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],
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),
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]
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