Dev-iL commented on code in PR #37545:
URL: https://github.com/apache/airflow/pull/37545#discussion_r1496344380
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airflow/utils/orm_event_handlers.py:
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@@ -23,18 +23,25 @@
import traceback
import sqlalchemy.orm.mapper
-from sqlalchemy import event, exc
+from sqlalchemy import __version__ as sqlalchemy_version, event, exc
from airflow.configuration import conf
log = logging.getLogger(__name__)
+SQL_ALCHEMY_V1 = sqlalchemy_version.startswith("1")
+
def setup_event_handlers(engine):
"""Setups event handlers."""
from airflow.models import import_all_models
- event.listen(sqlalchemy.orm.mapper, "before_configured",
import_all_models, once=True)
+ event.listen(
+ sqlalchemy.orm.mapper if SQL_ALCHEMY_V1 else sqlalchemy.orm.Mapper,
Review Comment:
I suggest having a utility that's not specific to pydantic, pendulum
sqlalchemy etc., something like:
```python
# import packaging, metadata, version, ...
def _get_lib_major_version(lib_name: str) -> int:
ver: Version = parse_version(version(lib_name))
return ver.major
def is_installed_lib_major_version(libname: str, version: int) -> bool:
return _get_lib_major_version(lib_name) == version
# Then, in a TBD location:
def is_sqlalchemy_v1() -> bool:
return is_installed_lib_major_version("sqlalchemy", 1)
```
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