[Cvsshell-devel] CVS: cvsshell/src interactive_app.py,1.3,1.4

[Stefan H. <ste...@us...>]

Update of /cvsroot/cvsshell/cvsshell/src
In directory usw-pr-cvs1:/tmp/cvs-serv1547

Modified Files:
	interactive_app.py 
Log Message:
C-c is now also supported to stop the REPL


Index: interactive_app.py
===================================================================
RCS file: /cvsroot/cvsshell/cvsshell/src/interactive_app.py,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** interactive_app.py	7 Mar 2002 13:08:49 -0000	1.3
--- interactive_app.py	7 Mar 2002 15:09:26 -0000	1.4
***************
*** 20,84 ****
  ###############################################################################
  
! import os
! from app import App, AppError
! 
! class InteractiveApp(App):
! 
!     def __init__(self):
!         App.__init__(self)
!         self.BREAK_REPL = 'BREAK_REPL'
!         try:
!             import readline
!         except ImportError:
!             self.printErr("Could not import readline. History browsing " \
!                           "and tab completion will not be available.")
!             return
!         else:
!             readline.parse_and_bind("tab: complete")
! 
!     def setHistoryFile(self,filename):
!         self.historyFile = filename
!         try:
!             import readline
!         except ImportError: return
!         try:
!             readline.read_history_file(self.historyFile)
!         except IOError:
!             pass
!         import atexit
!         atexit.register(readline.write_history_file, self.historyFile)
! 
!     def run(self):                          # define App.run here
!         while 1:
!             command = self.readCommand()
!             if command == None:
!                 break
!             result = self.evalCommand(command)
!             if result is self.BREAK_REPL: break
!             elif result is None: continue
!             else: self.printMsg(`result`)
!     
!     def readCommand(self):      # subclass hooks + App.start,stop
!         return self.prompt(self.getPrompt())
!         
!     def getPrompt(self):
!         return '? '
! 
!     def prompt(self, msg):
!         """Displayes msg and prompts the user for input.
!         If input is EOF, None is returned."""
!         
!         try:
!             a = raw_input(msg)
!         except EOFError:
!             self.printMsg()
!             return None
!         a = os.path.expandvars(a)
!         return a.strip()
! 
!     def evalCommand(self, command):
!         """Subclasses should override this method.
!         If BREAK_REPL is returned, the repl is terminated,
!         otherwise the return-value is printed (if not None)."""
!         raise AppError, 'evalCommand must be redefined!'
! 
--- 20,84 ----
  ###############################################################################
  
! import os
! from app import App, AppError
! 
! class InteractiveApp(App):
! 
!     def __init__(self):
!         App.__init__(self)
!         self.BREAK_REPL = 'BREAK_REPL'
!         try:
!             import readline
!         except ImportError:
!             self.printErr("Could not import readline. History browsing " \
!                           "and tab completion will not be available.")
!             return
!         else:
!             readline.parse_and_bind("tab: complete")
! 
!     def setHistoryFile(self,filename):
!         self.historyFile = filename
!         try:
!             import readline
!         except ImportError: return
!         try:
!             readline.read_history_file(self.historyFile)
!         except IOError:
!             pass
!         import atexit
!         atexit.register(readline.write_history_file, self.historyFile)
! 
!     def run(self):                          # define App.run here
!         while 1:
!             command = self.readCommand()
!             if command == None:
!                 break
!             result = self.evalCommand(command)
!             if result is self.BREAK_REPL: break
!             elif result is None: continue
!             else: self.printMsg(`result`)
!     
!     def readCommand(self):      # subclass hooks + App.start,stop
!         return self.prompt(self.getPrompt())
!         
!     def getPrompt(self):
!         return '? '
! 
!     def prompt(self, msg):
!         """Displayes msg and prompts the user for input.
!         If input is EOF, None is returned."""
!         
!         try:
!             a = raw_input(msg)
!         except EOFError, KeyboardInterrupt:
!             self.printMsg()
!             return None
!         a = os.path.expandvars(a)
!         return a.strip()
! 
!     def evalCommand(self, command):
!         """Subclasses should override this method.
!         If BREAK_REPL is returned, the repl is terminated,
!         otherwise the return-value is printed (if not None)."""
!         raise AppError, 'evalCommand must be redefined!'
!