本文整理汇总了Python中django.forms.ModelChoiceField类的典型用法代码示例。如果您正苦于以下问题：Python ModelChoiceField类的具体用法？Python ModelChoiceField怎么用？Python ModelChoiceField使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ModelChoiceField类的5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: __init__
def __init__(self, *args, **kargs):
base_area = vouchers.models.BudgetArea.get_by_path(['Accounts', 'Expenses'])
self.strip_levels = base_area.depth
areas = base_area.get_descendants()
ModelChoiceField.__init__(self, queryset=areas,
help_text='In general, this should be a fully indented budget area, not one with children',
*args, **kargs)示例2: test_choices_not_fetched_when_not_rendering
def test_choices_not_fetched_when_not_rendering(self):
"""
Generating choices for ModelChoiceField should require 1 query (#12510).
"""
self.groups = [Group.objects.create(name=name) for name in 'abc']
# only one query is required to pull the model from DB
with self.assertNumQueries(1):
field = ModelChoiceField(Group.objects.order_by('-name'))
self.assertEqual('a', field.clean(self.groups[0].pk).name)示例3: test_choices_not_fetched_when_not_rendering
def test_choices_not_fetched_when_not_rendering(self):
# only one query is required to pull the model from DB
with self.assertNumQueries(1):
field = ModelChoiceField(Group.objects.order_by('-name'))
self.assertEqual('a', field.clean(self.groups[0].pk).name)示例4: test
def test():
field = ModelChoiceField(Group.objects.order_by('-name'))
self.assertEqual('a', field.clean(self.groups[0].pk).name)示例5: test_choices_not_fetched_when_not_rendering
def test_choices_not_fetched_when_not_rendering(self):
initial_queries = len(connection.queries)
field = ModelChoiceField(Group.objects.order_by('-name'))
self.assertEqual('a', field.clean(self.groups[0].pk).name)
# only one query is required to pull the model from DB
self.assertEqual(initial_queries+1, len(connection.queries))