devwiki:python

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devwiki:python [2021/12/16 19:20] – [django] yingdevwiki:python [2022/05/02 14:34] – [system command modules] ying
Line 584: Line 584:
 list=[1,2,3,4,5,6] list=[1,2,3,4,5,6]
 seq=list[::-2] # [6,4,2] seq=list[::-2] # [6,4,2]
 +
 +# list to pair list
 +info = ['name','John', 'age', '17', 'address', 'abc']
 +info_pair = zip(info[::2], info[1::2])
 +# [('name', 'John'), ('age', '17'), ('address', 'abc')] 
  
 # list flatten, and remove duplicates # list flatten, and remove duplicates
Line 1130: Line 1135:
 subprocess.Popen([r'D:\Dev\Pipeline\PyDesktop\CompFolder\CompFolder.bat'], env=env2) subprocess.Popen([r'D:\Dev\Pipeline\PyDesktop\CompFolder\CompFolder.bat'], env=env2)
 </code> </code>
 +  * subprocess a console app and get return, and optionally hide the pop up console when call <code pyhton>
 +# hide popup console for win platform only
 +startupinfo = subprocess.STARTUPINFO()
 +startupinfo.dwFlags |= 1 #subprocess.STARTF_USESHOWWINDOW
 +# startupinfo.wShowWindow = subprocess.SW_HIDE #(optional)
  
 +info=subprocess.Popen( '{0}'.format(app_path),stdout=subprocess.PIPE, stdin=subprocess.PIPE, stderr=subprocess.PIPE,  startupinfo=startupinfo)
 +out, err = info.communicate()
 +</code>
 ==== string related ==== ==== string related ====
  
  • devwiki/python.txt
  • Last modified: 2024/03/25 06:36
  • by ying