Does it support decompression progress display?

[boynton89]

Does it support decompression progress display?

[Hiroshi Miura]

@boynton89 you can see callback API that give you a way to get a progress.

py7zr/tests/test_misc.py

Lines 129 to 152 in 96c2745

 def test_extract_callback(tmp_path): 
     # test the case when good callback passed. 
     class ECB(py7zr.callbacks.ExtractCallback): 
         def __init__(self, ofd): 
             self.ofd = ofd 
  
         def report_start_preparation(self): 
             self.ofd.write("preparation.\n") 
  
         def report_start(self, processing_file_path, processing_bytes): 
             self.ofd.write('start "{}" (compressed in {} bytes)\n'.format(processing_file_path, processing_bytes)) 
  
         def report_end(self, processing_file_path, wrote_bytes): 
             self.ofd.write('end "{}" extracted to {} bytes\n'.format(processing_file_path, wrote_bytes)) 
  
         def report_postprocess(self): 
             self.ofd.write("post processing.\n") 
  
         def report_warning(self, message): 
             self.ofd.write("warning: {:s}\n".format(message)) 
  
     cb = ECB(sys.stdout) 
     with py7zr.SevenZipFile(open(os.path.join(testdata_path, "test_1.7z"), "rb")) as archive: 
         archive.extractall(path=tmp_path, callback=cb) 

This test case define a class ECB that print callback message to stdout, inherited from ExtractCallBack, and pass its instance to extractall method.

[Hiroshi Miura]

A CLI does not implement it yet.

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