本文整理汇总了Python中django.db.migrations.operations.AlterModelOptions方法的典型用法代码示例。如果您正苦于以下问题：Python operations.AlterModelOptions方法的具体用法？Python operations.AlterModelOptions怎么用？Python operations.AlterModelOptions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.db.migrations.operations的用法示例。
在下文中一共展示了operations.AlterModelOptions方法的2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: generate_altered_options
# 需要导入模块: from django.db.migrations import operations [as 别名]
# 或者: from django.db.migrations.operations import AlterModelOptions [as 别名]
def generate_altered_options(self):
"""
Works out if any non-schema-affecting options have changed and
makes an operation to represent them in state changes (in case Python
code in migrations needs them)
"""
models_to_check = self.kept_model_keys.union(
self.kept_proxy_keys
).union(
self.kept_unmanaged_keys
).union(
# unmanaged converted to managed
set(self.old_unmanaged_keys).intersection(self.new_model_keys)
).union(
# managed converted to unmanaged
set(self.old_model_keys).intersection(self.new_unmanaged_keys)
)
for app_label, model_name in sorted(models_to_check):
old_model_name = self.renamed_models.get((app_label, model_name), model_name)
old_model_state = self.from_state.models[app_label, old_model_name]
new_model_state = self.to_state.models[app_label, model_name]
old_options = dict(
option for option in old_model_state.options.items()
if option[0] in AlterModelOptions.ALTER_OPTION_KEYS
)
new_options = dict(
option for option in new_model_state.options.items()
if option[0] in AlterModelOptions.ALTER_OPTION_KEYS
)
if old_options != new_options:
self.add_operation(
app_label,
operations.AlterModelOptions(
name=model_name,
options=new_options,
)
) 示例2: generate_altered_options
# 需要导入模块: from django.db.migrations import operations [as 别名]
# 或者: from django.db.migrations.operations import AlterModelOptions [as 别名]
def generate_altered_options(self):
"""
Work out if any non-schema-affecting options have changed and make an
operation to represent them in state changes (in case Python code in
migrations needs them).
"""
models_to_check = self.kept_model_keys.union(
self.kept_proxy_keys,
self.kept_unmanaged_keys,
# unmanaged converted to managed
self.old_unmanaged_keys & self.new_model_keys,
# managed converted to unmanaged
self.old_model_keys & self.new_unmanaged_keys,
)
for app_label, model_name in sorted(models_to_check):
old_model_name = self.renamed_models.get((app_label, model_name), model_name)
old_model_state = self.from_state.models[app_label, old_model_name]
new_model_state = self.to_state.models[app_label, model_name]
old_options = {
key: value for key, value in old_model_state.options.items()
if key in AlterModelOptions.ALTER_OPTION_KEYS
}
new_options = {
key: value for key, value in new_model_state.options.items()
if key in AlterModelOptions.ALTER_OPTION_KEYS
}
if old_options != new_options:
self.add_operation(
app_label,
operations.AlterModelOptions(
name=model_name,
options=new_options,
)
)