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Xevion
4467195cb8
The automatic migrator wouldn't do this on it's own, I manually made this migration
64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
"""Peewee migrations -- 006_add_session_constraints.py.
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Some examples (model - class or model name)::
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> Model = migrator.orm['table_name'] # Return model in current state by name
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> Model = migrator.ModelClass # Return model in current state by name
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> migrator.sql(sql) # Run custom SQL
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> migrator.run(func, *args, **kwargs) # Run python function with the given args
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> migrator.create_model(Model) # Create a model (could be used as decorator)
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> migrator.remove_model(model, cascade=True) # Remove a model
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> migrator.add_fields(model, **fields) # Add fields to a model
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> migrator.change_fields(model, **fields) # Change fields
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> migrator.remove_fields(model, *field_names, cascade=True)
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> migrator.rename_field(model, old_field_name, new_field_name)
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> migrator.rename_table(model, new_table_name)
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> migrator.add_index(model, *col_names, unique=False)
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> migrator.add_not_null(model, *field_names)
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> migrator.add_default(model, field_name, default)
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> migrator.add_constraint(model, name, sql)
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> migrator.drop_index(model, *col_names)
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> migrator.drop_not_null(model, *field_names)
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> migrator.drop_constraints(model, *constraints)
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"""
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from contextlib import suppress
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import peewee as pw
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from peewee_migrate import Migrator
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with suppress(ImportError):
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import playhouse.postgres_ext as pw_pext
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def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
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"""Write your migrations here."""
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migrator.add_constraint(
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"session", "session_token_length", pw.Check("LENGTH(token) = 32")
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)
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migrator.add_constraint(
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"session", "session_expiry_created_at", pw.Check("expiry > created_at")
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)
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migrator.add_constraint(
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"session",
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"session_last_used_created_at",
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pw.Check("last_used IS NULL OR last_used <= created_at"),
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)
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def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
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"""Write your rollback migrations here."""
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migrator.drop_constraints(
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"session",
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"session_token_length",
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"session_expiry_created_at",
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"session_last_used_created_at",
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)
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