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			27 lines
		
	
	
		
			712 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			712 B
		
	
	
	
		
			Python
		
	
	
	
	
	
| from sqlalchemy import CHAR, TypeDecorator
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| from sqlalchemy.dialects.postgresql import UUID
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| 
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| 
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| class StringUUID(TypeDecorator):
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|     impl = CHAR
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|     cache_ok = True
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| 
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|     def process_bind_param(self, value, dialect):
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|         if value is None:
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|             return value
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|         elif dialect.name == "postgresql":
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|             return str(value)
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|         else:
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|             return value.hex
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| 
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|     def load_dialect_impl(self, dialect):
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|         if dialect.name == "postgresql":
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|             return dialect.type_descriptor(UUID())
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|         else:
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|             return dialect.type_descriptor(CHAR(36))
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| 
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|     def process_result_value(self, value, dialect):
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|         if value is None:
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|             return value
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|         return str(value)
 | 
