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1__all__ = ["imageCompressionDisabled"] 

2 

3from contextlib import contextmanager 

4from .fits import getAllowImageCompression, setAllowImageCompression 

5 

6 

7@contextmanager 

8def imageCompressionDisabled(): 

9 """Create a context where FITS image compression is disabled. 

10 

11 The previous compression setting is restored on exit. 

12 """ 

13 old = getAllowImageCompression() 

14 try: 

15 setAllowImageCompression(False) 

16 yield 

17 finally: 

18 setAllowImageCompression(old)