meta.py 786B

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  1. from sqlalchemy.ext.declarative import declarative_base
  2. from sqlalchemy.schema import MetaData
  3. from sqlalchemy import inspect
  4. from tracim.exceptions import ContentRevisionUpdateError
  5. # Recommended naming convention used by Alembic, as various different database
  6. # providers will autogenerate vastly different names making migrations more
  7. # difficult. See: http://alembic.zzzcomputing.com/en/latest/naming.html
  8. NAMING_CONVENTION = {
  9. "ix": "ix_%(column_0_label)s",
  10. "uq": "uq_%(table_name)s_%(column_0_name)s",
  11. "ck": "ck_%(table_name)s_%(constraint_name)s",
  12. "fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
  13. "pk": "pk_%(table_name)s"
  14. }
  15. metadata = MetaData(naming_convention=NAMING_CONVENTION)
  16. DeclarativeBase = declarative_base(metadata=metadata)