options.py 文件源码

python
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项目:CodingDojo 作者: ComputerSocietyUNB 项目源码 文件源码
def can_migrate(self, connection):
        """
        Return True if the model can/should be migrated on the `connection`.
        `connection` can be either a real connection or a connection alias.
        """
        if self.proxy or self.swapped or not self.managed:
            return False
        if isinstance(connection, six.string_types):
            connection = connections[connection]
        if self.required_db_vendor:
            return self.required_db_vendor == connection.vendor
        if self.required_db_features:
            return all(getattr(connection.features, feat, False)
                       for feat in self.required_db_features)
        return True
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