本文整理汇总了Python中django.db.migrations.writer.OperationWriter类的典型用法代码示例。如果您正苦于以下问题：Python OperationWriter类的具体用法？Python OperationWriter怎么用？Python OperationWriter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OperationWriter类的4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: test_empty_signature
def test_empty_signature(self):
operation = custom_migration_operations.operations.TestOperation()
writer = OperationWriter(operation)
writer.indentation = 0
buff, imports = writer.serialize()
self.assertEqual(imports, {'import custom_migration_operations.operations'})
self.assertEqual(
buff,
'custom_migration_operations.operations.TestOperation(\n'
'),'
)示例2: test_kwargs_signature
def test_kwargs_signature(self):
operation = custom_migration_operations.operations.KwargsOperation(kwarg1=1)
writer = OperationWriter(operation)
writer.indentation = 0
buff, imports = writer.serialize()
self.assertEqual(imports, {'import custom_migration_operations.operations'})
self.assertEqual(
buff,
'custom_migration_operations.operations.KwargsOperation(\n'
' kwarg1=1,\n'
'),'
)示例3: test_expand_args_signature
def test_expand_args_signature(self):
operation = custom_migration_operations.operations.ExpandArgsOperation([1, 2])
writer = OperationWriter(operation)
writer.indentation = 0
buff, imports = writer.serialize()
self.assertEqual(imports, {'import custom_migration_operations.operations'})
self.assertEqual(
buff,
'custom_migration_operations.operations.ExpandArgsOperation(\n'
' arg=[\n'
' 1,\n'
' 2,\n'
' ],\n'
'),'
)示例4: serialize
def serialize(self):
from django.db.migrations.writer import OperationWriter
string, imports = OperationWriter(self.value, indentation=0).serialize()
# Nested operation, trailing comma is handled in upper OperationWriter._write()
return string.rstrip(','), imports