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Fixed set/unset issue with ListFields

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This commit is contained in:
Harry Marr
2010-02-12 11:21:51 +00:00
parent a93509c9b3
commit ea1fe6a538
4 changed files with 45 additions and 18 deletions
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4
mongoengine/base.py
View File

@@ -55,7 +55,7 @@ class BaseField(object):
"""
return self.to_python(value)
def prepare_query_value(self, value):
def prepare_query_value(self, op, value):
"""Prepare a value that is being used in a query for PyMongo.
"""
return value
@@ -81,7 +81,7 @@ class ObjectIdField(BaseField):
raise ValidationError(e.message)
return value
def prepare_query_value(self, value):
def prepare_query_value(self, op, value):
return self.to_mongo(value)
def validate(self, value):

27
mongoengine/fields.py
View File

@@ -136,7 +136,7 @@ class EmbeddedDocumentField(BaseField):
def lookup_member(self, member_name):
return self.document._fields.get(member_name)
def prepare_query_value(self, value):
def prepare_query_value(self, op, value):
return self.to_mongo(value)
@@ -166,15 +166,16 @@ class ListField(BaseField):
referenced_type = self.field.document_type
# Get value from document instance if available
value_list = instance._data.get(self.name)
deref_list = []
for value in value_list:
# Dereference DBRefs
if isinstance(value, (pymongo.dbref.DBRef)):
value = _get_db().dereference(value)
deref_list.append(referenced_type._from_son(value))
else:
deref_list.append(value)
instance._data[self.name] = deref_list
if value_list:
deref_list = []
for value in value_list:
# Dereference DBRefs
if isinstance(value, (pymongo.dbref.DBRef)):
value = _get_db().dereference(value)
deref_list.append(referenced_type._from_son(value))
else:
deref_list.append(value)
instance._data[self.name] = deref_list
return super(ListField, self).__get__(instance, owner)
@@ -197,7 +198,9 @@ class ListField(BaseField):
raise ValidationError('All items in a list field must be of the '
'specified type')
def prepare_query_value(self, value):
def prepare_query_value(self, op, value):
if op in ('set', 'unset'):
return [self.field.to_mongo(v) for v in value]
return self.field.to_mongo(value)
def lookup_member(self, member_name):
@@ -273,7 +276,7 @@ class ReferenceField(BaseField):
collection = self.document_type._meta['collection']
return pymongo.dbref.DBRef(collection, id_)
def prepare_query_value(self, value):
def prepare_query_value(self, op, value):
return self.to_mongo(value)
def validate(self, value):

8
mongoengine/queryset.py
View File

@@ -284,10 +284,10 @@ class QuerySet(object):
# Convert value to proper value
field = fields[-1]
if op in (None, 'ne', 'gt', 'gte', 'lt', 'lte'):
value = field.prepare_query_value(value)
value = field.prepare_query_value(op, value)
elif op in ('in', 'nin', 'all'):
# 'in', 'nin' and 'all' require a list of values
value = [field.prepare_query_value(v) for v in value]
value = [field.prepare_query_value(op, v) for v in value]
if op:
value = {'$' + op: value}
@@ -487,9 +487,9 @@ class QuerySet(object):
# Convert value to proper value
field = fields[-1]
if op in (None, 'set', 'unset', 'push', 'pull'):
value = field.prepare_query_value(value)
value = field.prepare_query_value(op, value)
elif op in ('pushAll', 'pullAll'):
value = [field.prepare_query_value(v) for v in value]
value = [field.prepare_query_value(op, v) for v in value]
key = '.'.join(parts)