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Diffstat (limited to 'bin/commander/pythonshell.py')
| -rw-r--r-- | bin/commander/pythonshell.py | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/bin/commander/pythonshell.py b/bin/commander/pythonshell.py deleted file mode 100644 index 26a2c90f7..000000000 --- a/bin/commander/pythonshell.py +++ /dev/null @@ -1,205 +0,0 @@ -#!/usr/bin/env python -# -*- coding: iso8859-15 -*- -#------------------------------------------------------------------------# -# This file is part of the ELAN environment - http://elan.wox.org -# (C) 2002-2004 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de> -# -# Licensed under GPL -#------------------------------------------------------------------------# -# $Id$ -# $Source$ -#------------------------------------------------------------------------# - -"""Implements a Python Interpreter embedded in a QMultiLineEditor""" - -__revision__ = "$Revision$" -__version__ = __revision__.replace('$','').replace('Revision:','').strip() -__author__ = "Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>" - -#------------------------------------------------------------------------# -from Queue import Queue -import sys -#------------------------------------------------------------------------# -import qt -import code -try: - import rlcompleter -except ImportError: - print >>sys.stderr,"Warning: Couldn't import rlcompleter or readline. Continuing without... :(" -#------------------------------------------------------------------------# - -class EPythonShell( qt.QMultiLineEdit ): - """An interactive Python interpreter shell embedded in a QMultiLine editor.""" - - class Output: - def __init__( self, writefunc ): - self.writefunc = writefunc - def write( self, line ): - if line != "\n": - map( self.writefunc, line.split("\n") ) - - def __init__( self, parent, localdict={} ): - qt.QMultiLineEdit.__init__( self, parent ) - qt.QObject.connect( self, qt.SIGNAL( "returnPressed()" ), self.slotReturnPressed ) - self.setFont( qt.QFont( "Fixed", 8 ) ) - - self.history = [] - self.pointer = 0 - self.cmdFromHistory = False - self.console = code.InteractiveConsole( localdict ) - self.completer = rlcompleter.Completer() - self.possibleCompletions = [] - - # We're overriding the prompts just in case someone set up prompt coloring - sys.ps1 = ">>> " - sys.ps2 = "... " - - cprt = 'Type "copyright", "credits" or "license" for more information.' - self.append( "Python %s on %s\n%s" % ( sys.version, sys.platform, cprt ) ) - self.append( sys.ps1 ) - self.more, self.prompt = 0, sys.ps1 - self.output = EPythonShell.Output( self.writeResult ) - self.stdout = sys.stdout - self.stderr = sys.stderr - - self.cursorToEnd() - - def isQt3( self ): - return qt.qVersion()[0] == '3' - - def keyPressEvent( self, e ): - """Intercept certain key press events and handle them to provide - command line history and attribute name completion.""" - - if ( e.key() == qt.Qt.Key_Up ): - if not self.pointer > 0: - return - row, col = self.getCursorPosition() - self.home() - self.killLine() - if self.pointer > 0: - self.pointer -= 1 - self.append( "%s" % self.history[self.pointer] ) - self.end() - self.cmdFromHistory = True - return - - elif ( e.key() == qt.Qt.Key_Down ): - if not self.pointer < len( self.history )-1: - return - self.pointer += 1 - row, col = self.getCursorPosition() - self.home() - self.killLine() - self.append( "%s" % self.history[self.pointer] ) - self.end() - self.cmdFromHistory = True - return - - elif e.key() == qt.Qt.Key_Return: - self.end() - - elif e.key() == qt.Qt.Key_Tab: - row, col = self.getCursorPosition() - line = str( self.textLine( row ) )[4:] - - if len( self.possibleCompletions ) == 1: - self.home() - self.killLine() - self.append( ">>> %s" % self.possibleCompletions[0] ) - self.end() - else: - print >>sys.stderr, repr( self.possibleCompletions ) - return - - self.cmdFromHistory = False - - qt.QMultiLineEdit.keyPressEvent( self, e ) - - def keyReleaseEvent( self, e ): - if e.key() == qt.Qt.Key_Up: - return - - # - # try command line completion - # - - if str( e.key() )[0] in "ABCDEFGHIJKLMNOPQRSTUVWXYZABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_.": - row, col = self.getCursorPosition() - line = str( self.textLine( row ) )[4:] - possibleCompletions = [] - state = 0 - if len( line ) > 1: - while True: - try: - nextCompletion = self.completer.complete( line, state ) - except Exception, why: - #print >>sys.stderr, why - break - if not nextCompletion is None: - possibleCompletions.append( nextCompletion ) - state += 1 - else: - break - - #print >> sys.stderr, "'%s': possible completions: %s" % ( line, repr( possibleCompletions ) ) - self.possibleCompletions = possibleCompletions - - qt.QMultiLineEdit.keyReleaseEvent( self, e ) - - def cursorToEnd( self ): - """Move the cursor to the end of the view.""" - - # In Qt3, the QMultiLineEdit is derived from QTextEdit and deals in terms - # of paragraphs and no longer lines. QTextEdit.setCursorPosition() doesn't - # work as expected here, so we're faking a CTRL+END key here to achieve the - # same effect :-) - - if self.isQt3(): - event = qt.QKeyEvent( qt.QKeyEvent.KeyPress, qt.Qt.Key_End, 0, qt.Qt.ControlButton ) - qt.qApp.postEvent( self, event ) - else: - rows = self.numLines() - self.setCursorPosition( rows, 4 ) - self.end() - - def removeLastLine( self ): - self.removeLine( self.numLines()-1 ) - - def writeResult( self, result ): - if result == "": - return - #print >> self.stdout, "appending '%s'" % result - self.append( result ) - - def handleInput( self, line ): - if len( line ) > 5 and not self.cmdFromHistory: - self.history.append( line ) - - self.pointer = len( self.history ) - sys.stdout, sys.stderr = self.output, self.output - self.more = self.console.push( line[4:] ) - sys.stdout, sys.stderr = self.stdout, self.stderr - - def slotReturnPressed( self ): - row, col = self.getCursorPosition() - self.removeLine( row ) - line = str( self.textLine( row-1 ) ) - #print "text sending to interpreter: '%s'" % line - self.handleInput( line ) - if self.more: - self.prompt = sys.ps2 - else: - self.prompt = sys.ps1 - self.append( self.prompt ) - self.cursorToEnd() - -#------------------------------------------------------------------------# -if __name__ == "__main__": - - a = qt.QApplication( sys.argv ) - w = EPythonShell( None ) - w.resize( qt.QSize( 640, 480 ) ) - w.show() - a.setMainWidget( w ) - a.exec_loop() |