kapsikkum-unmanic – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | """Peewee migrations -- 001_rename_ffmpeg_log_to_log.py. |
| 2 | |||
| 3 | Some examples (model - class or model name):: |
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| 4 | |||
| 5 | > Model = migrator.orm['model_name'] # Return model in current state by name |
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| 6 | |||
| 7 | > migrator.sql(sql) # Run custom SQL |
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| 8 | > migrator.python(func, *args, **kwargs) # Run python code |
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| 9 | > migrator.create_model(Model) # Create a model (could be used as decorator) |
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| 10 | > migrator.remove_model(model, cascade=True) # Remove a model |
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| 11 | > migrator.add_fields(model, **fields) # Add fields to a model |
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| 12 | > migrator.change_fields(model, **fields) # Change fields |
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| 13 | > migrator.remove_fields(model, *field_names, cascade=True) |
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| 14 | > migrator.rename_field(model, old_field_name, new_field_name) |
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| 15 | > migrator.rename_table(model, new_table_name) |
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| 16 | > migrator.add_index(model, *col_names, unique=False) |
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| 17 | > migrator.drop_index(model, *col_names) |
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| 18 | > migrator.add_not_null(model, *field_names) |
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| 19 | > migrator.drop_not_null(model, *field_names) |
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| 20 | > migrator.add_default(model, field_name, default) |
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| 21 | |||
| 22 | """ |
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| 23 | |||
| 24 | import peewee as pw |
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| 25 | from decimal import ROUND_HALF_EVEN |
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| 26 | |||
| 27 | try: |
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| 28 | import playhouse.postgres_ext as pw_pext |
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| 29 | except ImportError: |
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| 30 | pass |
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| 31 | |||
| 32 | SQL = pw.SQL |
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| 33 | |||
| 34 | """NOTES: |
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| 35 | The migrator function 'rename_field' has a bug: https://github.com/klen/peewee_migrate/issues/99 |
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| 36 | The simple work-around to this was to skip this method and just directly append a migration to the migrator's ops list. |
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| 37 | Eg. `migrator.ops.append(migrator.migrator.rename_column('tasks', 'ffmpeg_log', 'log'))` |
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| 38 | """ |
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| 39 | |||
| 40 | |||
| 41 | """Note: |
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| 42 | This migration is required for legacy installations. |
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| 43 | The old Unmanic had a ffmpeg_log column which had a NOT NULL contraint on it. |
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| 44 | If this column is left as is, no items will be able to be added to the task queue. |
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| 45 | """ |
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| 46 | def migrate(migrator, database, fake=False, **kwargs): |
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| 47 | """Write your migrations here.""" |
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| 48 | # Rename 'ffmpeg_log' field to 'log'' in Tasks model |
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| 49 | if any(cm for cm in database.get_columns('tasks') if cm.name == 'ffmpeg_log'): |
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| 50 | migrator.ops.append(migrator.migrator.rename_column('tasks', 'ffmpeg_log', 'log')) |
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| 51 | |||
| 52 | |||
| 53 | def rollback(migrator, database, fake=False, **kwargs): |
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| 54 | """Write your rollback migrations here.""" |
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| 55 | # Reverse rename 'ffmpeg_log' field to 'log'' in Tasks model |
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| 56 | if any(cm for cm in database.get_columns('tasks') if cm.name == 'log'): |
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| 57 | migrator.ops.append(migrator.migrator.rename_column('tasks', 'log', 'ffmpeg_log')) |