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| author | mike bayer <mike_mp@zzzcomputing.com> | 2020-12-19 19:56:14 +0000 |
|---|---|---|
| committer | Gerrit Code Review <gerrit@bbpush.zzzcomputing.com> | 2020-12-19 19:56:14 +0000 |
| commit | a8f51f3c11f3cb2e344732cf3abb371f03ed30d8 (patch) | |
| tree | 316243093b637ebb286d1b8d6a069e51b70c26c7 /lib/sqlalchemy/util/compat.py | |
| parent | b63b4275f0059c61c158fafe989e188eb6f8332e (diff) | |
| parent | 9625adba3553803acd5488660d65c8e675a61fa6 (diff) | |
| download | sqlalchemy-a8f51f3c11f3cb2e344732cf3abb371f03ed30d8.tar.gz | |
Merge "Allow Declarative to extract class attr from field"
Diffstat (limited to 'lib/sqlalchemy/util/compat.py')
| -rw-r--r-- | lib/sqlalchemy/util/compat.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util/compat.py b/lib/sqlalchemy/util/compat.py index e8c488047..77c913640 100644 --- a/lib/sqlalchemy/util/compat.py +++ b/lib/sqlalchemy/util/compat.py @@ -421,6 +421,22 @@ else: import collections as collections_abc # noqa +if py37: + import dataclasses + + def dataclass_fields(cls): + if dataclasses.is_dataclass(cls): + return dataclasses.fields(cls) + else: + return [] + + +else: + + def dataclass_fields(cls): + return [] + + def raise_from_cause(exception, exc_info=None): r"""legacy. use raise\_()""" |