本文整理汇总了Python中django.utils.datastructures.OrderedSet.get方法的典型用法代码示例。如果您正苦于以下问题:Python OrderedSet.get方法的具体用法?Python OrderedSet.get怎么用?Python OrderedSet.get使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类django.utils.datastructures.OrderedSet
的用法示例。
在下文中一共展示了OrderedSet.get方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: fields_for_document
# 需要导入模块: from django.utils.datastructures import OrderedSet [as 别名]
# 或者: from django.utils.datastructures.OrderedSet import get [as 别名]
def fields_for_document(document, fields=None, exclude=None, widgets=None,
formfield_callback=None,
field_generator=MongoFormFieldGenerator):
"""
Returns a ``OrderedSet`` containing form fields for the given model.
``fields`` is an optional list of field names. If provided, only the named
fields will be included in the returned fields.
``exclude`` is an optional list of field names. If provided, the named
fields will be excluded from the returned fields, even if they are listed
in the ``fields`` argument.
"""
field_list = []
ignored = []
if isinstance(field_generator, type):
field_generator = field_generator()
sorted_fields = sorted(document._fields.values(),
key=lambda field: field.creation_counter)
for f in sorted_fields:
if isinstance(f, ObjectIdField):
continue
if isinstance(f, ListField) and not (f.field.choices or isinstance(f.field, ReferenceField)):
continue
if fields is not None and not f.name in fields:
continue
if exclude and f.name in exclude:
continue
if widgets and f.name in widgets:
kwargs = {'widget': widgets[f.name]}
else:
kwargs = {}
if formfield_callback is None:
form_field = field_generator.generate(f, **kwargs)
elif not callable(formfield_callback):
raise TypeError('formfield_callback must be a function or callable')
else:
form_field = formfield_callback(f, **kwargs)
if form_field:
field_list.append((f.name, form_field))
else:
ignored.append(f.name)
field_dict = OrderedSet(field_list)
if fields:
field_dict = OrderedSet(
[(f, field_dict.get(f)) for f in fields
if ((not exclude) or (exclude and f not in exclude)) and (f not in ignored)]
)
return field_dict