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This commit is contained in:
Ross Lawley 2012-07-30 15:43:53 +01:00
parent 69d57209f7
commit c419f3379a
1 changed files with 19 additions and 18 deletions
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37
mongoengine/base.py
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@ -15,7 +15,6 @@ import operator
from functools import partial
from bson.dbref import DBRef
class NotRegistered(Exception):
pass
@ -474,6 +473,7 @@ class DocumentMetaclass(type):
"""
def __new__(cls, name, bases, attrs):
def _get_mixin_fields(base):
attrs = {}
attrs.update(dict([(k, v) for k, v in base.__dict__.items()
@ -502,7 +502,6 @@ class DocumentMetaclass(type):
class_name = [name]
superclasses = {}
simple_class = True
for base in bases:
# Include all fields present in superclasses
if hasattr(base, '_fields'):
@ -543,20 +542,18 @@ class DocumentMetaclass(type):
if not simple_class and not meta['allow_inheritance'] and not meta['abstract']:
raise ValueError('Only direct subclasses of Document may set '
'"allow_inheritance" to False')
attrs['_meta'] = meta
attrs['_class_name'] = doc_class_name
attrs['_superclasses'] = superclasses
# Add the document's fields to the _fields attribute
field_names = {}
for attr_name, attr_value in attrs.iteritems():
if hasattr(attr_value, "__class__") and \
issubclass(attr_value.__class__, BaseField):
attr_value.name = attr_name
if not attr_value.db_field:
attr_value.db_field = attr_name
doc_fields[attr_name] = attr_value
field_names[attr_value.db_field] = field_names.get(attr_value.db_field, 0) + 1
if not isinstance(attr_value, BaseField):
continue
attr_value.name = attr_name
if not attr_value.db_field:
attr_value.db_field = attr_name
doc_fields[attr_name] = attr_value
field_names[attr_value.db_field] = field_names.get(attr_value.db_field, 0) + 1
duplicate_db_fields = [k for k, v in field_names.items() if v > 1]
if duplicate_db_fields:
@ -564,6 +561,9 @@ class DocumentMetaclass(type):
attrs['_fields'] = doc_fields
attrs['_db_field_map'] = dict([(k, v.db_field) for k, v in doc_fields.items() if k != v.db_field])
attrs['_reverse_db_field_map'] = dict([(v, k) for k, v in attrs['_db_field_map'].items()])
attrs['_meta'] = meta
attrs['_class_name'] = doc_class_name
attrs['_superclasses'] = superclasses
if 'Document' not in _module_registry:
from mongoengine import Document, EmbeddedDocument, DictField
@ -576,7 +576,8 @@ class DocumentMetaclass(type):
DictField = _module_registry.get('DictField')
new_class = super_new(cls, name, bases, attrs)
for field in new_class._fields.values():
for field in new_class._fields.itervalues():
field.owner_document = new_class
delete_rule = getattr(field, 'reverse_delete_rule', DO_NOTHING)
@ -728,7 +729,7 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
unique_indexes = cls._unique_with_indexes(new_class)
new_class._meta['unique_indexes'] = unique_indexes
for field_name, field in new_class._fields.items():
for field_name, field in new_class._fields.iteritems():
# Check for custom primary key
if field.primary_key:
current_pk = new_class._meta['id_field']
@ -799,7 +800,7 @@ class BaseDocument(object):
self._data = {}
# Assign default values to instance
for key, field in self._fields.items():
for key, field in self._fields.iteritems():
if self._db_field_map.get(key, key) in values:
continue
value = getattr(self, key, None)
@ -809,13 +810,13 @@ class BaseDocument(object):
if self._dynamic:
self._dynamic_fields = {}
dynamic_data = {}
for key, value in values.items():
for key, value in values.iteritems():
if key in self._fields or key == '_id':
setattr(self, key, value)
elif self._dynamic:
dynamic_data[key] = value
else:
for key, value in values.items():
for key, value in values.iteritems():
key = self._reverse_db_field_map.get(key, key)
setattr(self, key, value)
@ -824,7 +825,7 @@ class BaseDocument(object):
if self._dynamic:
self._dynamic_lock = False
for key, value in dynamic_data.items():
for key, value in dynamic_data.iteritems():
setattr(self, key, value)
# Flag initialised