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Deprecated 'name' arg for fields in favour of 'db_field'

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This commit is contained in:
Harry Marr
2010-03-17 13:47:23 +00:00
parent 047cc218a6
commit 25a0a5364a
7 changed files with 48 additions and 40 deletions
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29
mongoengine/base.py
View File

@@ -21,9 +21,14 @@ class BaseField(object):
# Fields may have _types inserted into indexes by default
_index_with_types = True
def __init__(self, name=None, required=False, default=None, unique=False,
unique_with=None, primary_key=False):
self.name = name if not primary_key else '_id'
def __init__(self, db_field=None, name=None, required=False, default=None,
unique=False, unique_with=None, primary_key=False):
self.db_field = (db_field or name) if not primary_key else '_id'
if name:
import warnings
msg = "Fields' 'name' attribute deprecated in favour of 'db_field'"
warnings.warn(msg, DeprecationWarning)
self.name = None
self.required = required or primary_key
self.default = default
self.unique = bool(unique or unique_with)
@@ -151,9 +156,10 @@ class DocumentMetaclass(type):
# Add the document's fields to the _fields attribute
for attr_name, attr_value in attrs.items():
if hasattr(attr_value, "__class__") and \
issubclass(attr_value.__class__, BaseField):
if not attr_value.name:
attr_value.name = attr_name
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
attrs['_fields'] = doc_fields
@@ -234,7 +240,7 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
parts = other_name.split('.')
# Lookup real name
parts = QuerySet._lookup_field(new_class, parts)
name_parts = [part.name for part in parts]
name_parts = [part.db_field for part in parts]
unique_with.append('.'.join(name_parts))
# Unique field should be required
parts[-1].required = True
@@ -258,7 +264,8 @@ class TopLevelDocumentMetaclass(DocumentMetaclass):
if not new_class._meta['id_field']:
new_class._meta['id_field'] = 'id'
new_class.id = new_class._fields['id'] = ObjectIdField(name='_id')
new_class._fields['id'] = ObjectIdField(db_field='_id')
new_class.id = new_class._fields['id']
_document_registry[name] = new_class
@@ -362,7 +369,7 @@ class BaseDocument(object):
for field_name, field in self._fields.items():
value = getattr(self, field_name, None)
if value is not None:
data[field.name] = field.to_mongo(value)
data[field.db_field] = field.to_mongo(value)
# Only add _cls and _types if allow_inheritance is not False
if not (hasattr(self, '_meta') and
self._meta.get('allow_inheritance', True) == False):
@@ -398,8 +405,8 @@ class BaseDocument(object):
present_fields = data.keys()
for field_name, field in cls._fields.items():
if field.name in data:
data[field_name] = field.to_python(data[field.name])
if field.db_field in data:
data[field_name] = field.to_python(data[field.db_field])
obj = cls(**data)
obj._present_fields = present_fields

2
mongoengine/fields.py
View File

@@ -328,7 +328,7 @@ class DictField(BaseField):
'contain "." or "$" characters')
def lookup_member(self, member_name):
return BaseField(name=member_name)
return BaseField(db_field=member_name)
class ReferenceField(BaseField):

16
mongoengine/queryset.py
View File

@@ -186,7 +186,7 @@ class QuerySet(object):
# objects for the next part (list field checking)
parts = key.split('.')
fields = QuerySet._lookup_field(doc_cls, parts)
parts = [field.name for field in fields]
parts = [field.db_field for field in fields]
key = '.'.join(parts)
index_list.append((key, direction))
@@ -289,7 +289,7 @@ class QuerySet(object):
"""Translate a field attribute name to a database field name.
"""
parts = field.split(sep)
parts = [f.name for f in QuerySet._lookup_field(doc_cls, parts)]
parts = [f.db_field for f in QuerySet._lookup_field(doc_cls, parts)]
return '.'.join(parts)
@classmethod
@@ -312,7 +312,7 @@ class QuerySet(object):
if _doc_cls:
# Switch field names to proper names [set in Field(name='foo')]
fields = QuerySet._lookup_field(_doc_cls, parts)
parts = [field.name for field in fields]
parts = [field.db_field for field in fields]
# Convert value to proper value
field = fields[-1]
@@ -567,8 +567,8 @@ class QuerySet(object):
raise InvalidQueryError('Subfields cannot be used as '
'arguments to QuerySet.only')
# Translate field name
field_name = QuerySet._lookup_field(self._document, field)[-1].name
self._loaded_fields.append(field_name)
field = QuerySet._lookup_field(self._document, field)[-1].db_field
self._loaded_fields.append(field)
# _cls is needed for polymorphism
if self._document._meta.get('allow_inheritance'):
@@ -643,7 +643,7 @@ class QuerySet(object):
if _doc_cls:
# Switch field names to proper names [set in Field(name='foo')]
fields = QuerySet._lookup_field(_doc_cls, parts)
parts = [field.name for field in fields]
parts = [field.db_field for field in fields]
# Convert value to proper value
field = fields[-1]
@@ -721,7 +721,7 @@ class QuerySet(object):
field_name = match.group(1).split('.')
fields = QuerySet._lookup_field(self._document, field_name)
# Substitute the correct name for the field into the javascript
return '["%s"]' % fields[-1].name
return '["%s"]' % fields[-1].db_field
return re.sub('\[\s*~([A-z_][A-z_0-9.]+?)\s*\]', field_sub, code)
@@ -735,7 +735,7 @@ class QuerySet(object):
options specified as keyword arguments.
As fields in MongoEngine may use different names in the database (set
using the :attr:`name` keyword argument to a :class:`Field`
using the :attr:`db_field` keyword argument to a :class:`Field`
constructor), a mechanism exists for replacing MongoEngine field names
with the database field names in Javascript code. When accessing a
field, use square-bracket notation, and prefix the MongoEngine field