本文整理匯總了Python中django.db.migrations.writer.OperationWriter類的典型用法代碼示例。如果您正苦於以下問題：Python OperationWriter類的具體用法？Python OperationWriter怎麽用？Python OperationWriter使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了OperationWriter類的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
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