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Support 1-arg queryset managers, but warn about deprecation

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This commit is contained in:
Harry Marr
2010-02-23 18:27:14 +00:00
parent 6dbc051409
commit 145b0c33fc
1 changed files with 8 additions and 1 deletions
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9
mongoengine/queryset.py
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@@ -724,7 +724,10 @@ class QuerySetManager(object):
# owner is the document that contains the QuerySetManager
queryset = QuerySet(owner, self._collection)
if self._manager_func:
queryset = self._manager_func(owner, queryset)
if self._manager_func.func_code.co_argcount == 1:
queryset = self._manager_func(queryset)
else:
queryset = self._manager_func(owner, queryset)
return queryset
def queryset_manager(func):
@@ -735,4 +738,8 @@ def queryset_manager(func):
function should return a :class:`~mongoengine.queryset.QuerySet`, probably
the same one that was passed in, but modified in some way.
"""
if func.func_code.co_argcount == 1:
import warnings
msg = 'Methods decorated with queryset_manager should take 2 arguments'
warnings.warn(msg, DeprecationWarning)
return QuerySetManager(func)