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linkpulse/backend/linkpulse/migrations/004_create_user_remove_ipaddress.py

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2.3 KiB
Python

"""Peewee migrations -- 004_create_user_remove_ipaddress.py.
Some examples (model - class or model name)::
> Model = migrator.orm['table_name'] # Return model in current state by name
> Model = migrator.ModelClass # Return model in current state by name
> migrator.sql(sql) # Run custom SQL
> migrator.run(func, *args, **kwargs) # Run python function with the given args
> migrator.create_model(Model) # Create a model (could be used as decorator)
> migrator.remove_model(model, cascade=True) # Remove a model
> migrator.add_fields(model, **fields) # Add fields to a model
> migrator.change_fields(model, **fields) # Change fields
> migrator.remove_fields(model, *field_names, cascade=True)
> migrator.rename_field(model, old_field_name, new_field_name)
> migrator.rename_table(model, new_table_name)
> migrator.add_index(model, *col_names, unique=False)
> migrator.add_not_null(model, *field_names)
> migrator.add_default(model, field_name, default)
> migrator.add_constraint(model, name, sql)
> migrator.drop_index(model, *col_names)
> migrator.drop_not_null(model, *field_names)
> migrator.drop_constraints(model, *constraints)
"""
from contextlib import suppress
import peewee as pw
from peewee_migrate import Migrator
with suppress(ImportError):
import playhouse.postgres_ext as pw_pext
def migrate(migrator: Migrator, database: pw.Database, *, fake=False):
"""Write your migrations here."""
@migrator.create_model
class User(pw.Model):
id = pw.AutoField()
email = pw.CharField(max_length=45, unique=True)
password_hash = pw.CharField(max_length=96)
created_at = pw.DateTimeField()
updated_at = pw.DateTimeField()
class Meta:
table_name = "user"
migrator.remove_model("ipaddress")
def rollback(migrator: Migrator, database: pw.Database, *, fake=False):
"""Write your rollback migrations here."""
@migrator.create_model
class IPAddress(pw.Model):
ip = pw.CharField(max_length=255, primary_key=True)
last_seen = pw.DateTimeField()
count = pw.IntegerField(default=0)
class Meta:
table_name = "ipaddress"
migrator.remove_model("user")