Opens a Web page in a system-specific editor : os « Buildin Module « Python Tutorial






import os
import sys
import urllib

if len( sys.argv ) != 3:
   sys.exit( "Incorrect number of arguments." )

if os.name == "nt" or os.name == "dos":
   editor = "notepad.exe"
elif os.name == "posix":
   editor = "vi"
else:
   sys.exit( "Unsupported OS" )

urllib.urlretrieve( sys.argv[ 1 ], sys.argv[ 2 ] )

os.execvp( editor, ( editor, sys.argv[ 2 ] ) )








14.9.os
14.9.1.Starting a Web browser.
14.9.2.Windows-specific function os.startfile:
14.9.3.Using the os.execvp(path, args) to execute the application update.exe with a command-line parameter of -verbose
14.9.4.list directories
14.9.5.Execute system command with os.system()
14.9.6.Here is an example executing a DOS command
14.9.7.os.popen() a pipe
14.9.8.Operating System Interface
14.9.9.Process Management
14.9.10.Run application from host
14.9.11.Run shell command
14.9.12.fork a thread
14.9.13.Uses the system function to clear the screen.
14.9.14.Opens a Web page in a system-specific editor
14.9.15.Demonstrating popen and popen2.