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    Fix file descriptor and directory leaks.
    
 
    

    



 
    
 
    

  Review Request #14805
  —
  Created Feb. 10, 2026 and submitted 

 
    


    




    




    






 
    
  
    
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  david
 
    

    





    
 
 
    
  Review Board
 
    

    





    
 
 
    
  release-7.1.x
 
    

    





    
 
 
    
  
 
    

    





    
 
 
    
  
 
    

    



 
    



 
    
  
    
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  reviewboard
 
    

    





    
 
 
    
  
 
    

    



 
    



    


    
 
    




  

    
 
 
    
  
    The recent change to add FileAttachment.sha256_checksum as a
    
cached_property was causing the files to be opened but never closed.
    
These would pile up, especially while running unit tests, eventually
    
causing operations to fail due to OS limits on the number of open files
    
within a process.
    

    While tracking this down, I found a handful of other places throughout
    
our code where we were either definitely leaking file descriptors, or
    
had places where an exception could cause a leak. We also never cleaned
    
up the tests tempdir. This change fixes those up as well.
    
 
    

    





  

    
 
 
    
  
    Ran unit tests.
    
 
    

    




 
    

    





    
 
    




  
    
 
 
    
  


    
 
    
  
   
    

    Summary
    ID

   
    
      
  

   
    

    

     
    
      Fix file descriptor and directory leaks.
      
    The recent change to add `FileAttachment.sha256_checksum` as a
`cached_property` was causing the files to be opened but never closed.
These would pile up, especially while running unit tests, eventually
causing operations to fail due to OS limits on the number of open files
within a process.

While tracking this down, I found a handful of other places throughout
our code where we were either definitely leaking file descriptors, or
had places where an exception could cause a leak. We also never cleaned
up the tests tempdir. This change fixes those up as well.

Testing Done:
Ran unit tests.
    
     
    

        		
    wrtrmuryqmsrvpmzrwulklzplkmyksyy

   
    


      
 
    

    
    
 
    

    






 





    
 
 
 
    
  
    
   
    
    
    
     
    
    
    
      
     
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    Should this be a try/finally?
    
          		
      
       chipx86chipx86
      
      
       
      
     
    

        
   
    
  
    
 
    

    




 
    

    



  
    
 
    

    


    












    
 




 

    


 













    
 





 
    
  
    
   
    



chipx86




   
    
   
    





    
  
    
 
    


 
    
  
    

   
    
   
    
    
     
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       reviewboard/testing/pytest_fixtures.py
       


        (Diff revision 1)


       
      
     
      
          
    
     
       
      

     
       
      

     
       
      

     
       
      

          
   
      
  
      
 
      

   
      
    
    




      
 
      
  
  
  

  
  
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      Should this be a try/finally?
      
  
      
 
      

 
      
  


      
 
      
 
        

  


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        I don't think it needs to be. Unless I guess if pytest itself crashes.
        
 
        

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chipx86




   
    
   
    





    
  
    
 
    


 
    
  
    

   
    
   
    
    
     
chipx86


    
    
   
    

  
    
  
    
  
    


      




    1. 
 
      
  
      
   
      Ship It!
      
  
      
 
      

 
      
  


      
 
      
 
        

  

 
      


      

 
      

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maubin




   
    
   
    





    
  
    
 
    


 
    
  
    

   
    
   
    
    
     
maubin


    
    
   
    

  
    
  
    
  
    


      




    1. 
 
      
  
      
   
      I just landed the same change for guess_mimetype, except I wrapped the with differently. Just making a note for when you land and merge.
      
  
      
 
      

 
      
  


      
 
      
 
        

  

 
      


      

 
      

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david




   
    
   
    
  
    
 
    


 
    
  
    

   
    
   
    
    
     Review request changed
    
    
   
    

  
    
  
    
  
    




    

  
    
   
    
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    Completed

   
    
  
    



  
    
   
    
    Change Summary:
   
    
   
    
    
    Pushed to release-7.1.x (45bca7b)