import types, string, sys from traceback import * traceOutput = sys.stdout watchOutput = sys.stdout rawOutput = sys.stdout """ Should print out something like: File "trace.py", line 57, in __testTrace secretOfUniverse = 42 """ def watch ( variableName ): if __debug__: stack = extract_stack ( )[-2:][0] actualCall = stack[3] if ( actualCall is None ): actualCall = "watch ( [unknown] )" left = string.find ( actualCall, '(' ) right = string.rfind ( actualCall, ')' ) paramDict = { } paramDict["varName"] = string.strip ( actualCall[left+1:right] ) # everything between '(' and ')' paramDict["varType"] = str ( type ( variableName ) )[7:-2] paramDict["value"] = repr ( variableName ) paramDict["methodName"] = stack[2] paramDict["lineNumber"] = stack[1] paramDict["fileName"] = stack[0] outStr = 'File "%(fileName)s", line %(lineNumber)d, in %(methodName)s\n %(varName)s <%(varType)s> = %(value)s\n\n' watchOutput.write ( outStr % paramDict ) """ Should print out something like: File "trace.py", line 64, in ? This line was executed! """ def trace ( text ): if __debug__: stack = extract_stack ( )[-2:][0] paramDict = { } paramDict["methodName"] = stack[2] paramDict["lineNumber"] = stack[1] paramDict["fileName"] = stack[0] paramDict["text"] = text outStr = 'File "%(fileName)s", line %(lineNumber)d, in %(methodName)s\n %(text)s\n\n' traceOutput.write ( outStr % paramDict ) """ Should print out something like: Just some raw text """ def raw ( text ): if __debug__: rawOutput.write ( text ) def __testTrace ( ): secretOfUniverse = 42 watch ( secretOfUniverse ) if __name__ == "__main__": a = "something else" watch ( a ) __testTrace ( ) trace ( "This line was executed!" ) raw ( "Just some raw text.." )