init

alice/__init__.py

@@ -0,0 +1,9 @@
+__version__ = '0.1.0'
+
+
+def main():
+    pass
+
+
+if __name__ == '__main__':
+    main()

alice/backends/__init__.py

@@ -0,0 +1,36 @@
+from typing import Type
+
+from tortoise import Model, BaseDBAsyncClient
+from tortoise.backends.base.schema_generator import BaseSchemaGenerator
+
+
+class DDL:
+    schema_generator_cls: Type[BaseSchemaGenerator] = BaseSchemaGenerator
+
+    def __init__(self, client: "BaseDBAsyncClient", model: "Type[Model]"):
+        self.model = model
+        self.schema_generator = self.schema_generator_cls(client)
+
+    def create_table(self):
+        return self.schema_generator._get_table_sql(self.model, True)['table_creation_string']
+
+    def drop_table(self):
+        return f'drop table {self.model._meta.db_table}'
+
+    def add_column(self):
+        raise NotImplementedError()
+
+    def drop_column(self):
+        raise NotImplementedError()
+
+    def add_index(self):
+        raise NotImplementedError()
+
+    def drop_index(self):
+        raise NotImplementedError()
+
+    def add_fk(self):
+        raise NotImplementedError()
+
+    def drop_fk(self):
+        raise NotImplementedError()

alice/backends/mysql/__init__.py

@@ -0,0 +1,28 @@
+from tortoise.backends.mysql.schema_generator import MySQLSchemaGenerator
+
+from alice.backends import DDL
+
+
+class MysqlDDL(DDL):
+    schema_generator_cls = MySQLSchemaGenerator
+
+    def drop_table(self):
+        pass
+
+    def add_column(self):
+        pass
+
+    def drop_column(self):
+        pass
+
+    def add_index(self):
+        pass
+
+    def drop_index(self):
+        pass
+
+    def add_fk(self):
+        pass
+
+    def drop_fk(self):
+        pass

alice/cmd.py

@@ -0,0 +1,18 @@
+class CommandLine:
+    def __init__(self, argv):
+        self.argv = argv
+
+    def migrate(self):
+        pass
+
+    def upgrade(self):
+        pass
+
+    def downgrade(self):
+        pass
+
+    def init_db(self):
+        pass
+
+    def init(self):
+        pass