diff options
Diffstat (limited to 'lib/sqlalchemy/testing/util.py')
| -rw-r--r-- | lib/sqlalchemy/testing/util.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/sqlalchemy/testing/util.py b/lib/sqlalchemy/testing/util.py index 87c461fd2..dbe6a383d 100644 --- a/lib/sqlalchemy/testing/util.py +++ b/lib/sqlalchemy/testing/util.py @@ -261,6 +261,21 @@ def flag_combinations(*combinations): ) +def resolve_lambda(__fn, **kw): + """Given a no-arg lambda and a namespace, return a new lambda that + has all the values filled in. + + This is used so that we can have module-level fixtures that + refer to instance-level variables using lambdas. + + """ + + glb = dict(__fn.__globals__) + glb.update(kw) + new_fn = types.FunctionType(__fn.__code__, glb) + return new_fn() + + def metadata_fixture(ddl="function"): """Provide MetaData for a pytest fixture.""" |