diff options
Diffstat (limited to 'lib/sqlalchemy/util/_concurrency_py3k.py')
| -rw-r--r-- | lib/sqlalchemy/util/_concurrency_py3k.py | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/sqlalchemy/util/_concurrency_py3k.py b/lib/sqlalchemy/util/_concurrency_py3k.py index 94f4705d8..b905f903b 100644 --- a/lib/sqlalchemy/util/_concurrency_py3k.py +++ b/lib/sqlalchemy/util/_concurrency_py3k.py @@ -6,16 +6,21 @@ from typing import Coroutine import greenlet +from . import compat from .. import exc -try: - from contextvars import copy_context as _copy_context - # If greenlet.gr_context is present in current version of greenlet, - # it will be set with a copy of the current context on creation. - # Refs: https://github.com/python-greenlet/greenlet/pull/198 - getattr(greenlet.greenlet, "gr_context") -except (ImportError, AttributeError): +if compat.py37: + try: + from contextvars import copy_context as _copy_context + + # If greenlet.gr_context is present in current version of greenlet, + # it will be set with a copy of the current context on creation. + # Refs: https://github.com/python-greenlet/greenlet/pull/198 + getattr(greenlet.greenlet, "gr_context") + except (ImportError, AttributeError): + _copy_context = None +else: _copy_context = None |