It works fine for me. You must be having an indentation problem. Also, get rid of the comma at the end of that last print statement.
Brian Blais wrote: > Hello, > > I have an odd kind of Heisenbug in what looks like a pretty simple > program. The program is a progress bar code I got at the Python Cookbook: > > http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/168639 > > (including the code below) > > > If you uncomment the one print statement I added in the progressBar > class, you get the error: > > File "test_progress2.py", line 19 > diffFromMin = float(self.amount - self.min) > ^ > SyntaxError: invalid syntax > > > yet, without the print statement, it works fine. what am I overlooking > here? > > > thanks, > > > bb > > #------------------------------------------------------------------------ > > class progressBar: > def __init__(self, minValue = 0, maxValue = 10, totalWidth=12): > self.progBar = "[]" # This holds the progress bar string > self.min = minValue > self.max = maxValue > self.span = maxValue - minValue > self.width = totalWidth > self.amount = 0 # When amount == max, we are 100% done > self.updateAmount(0) # Build progress bar string > > def updateAmount(self, newAmount = 0): > if newAmount < self.min: newAmount = self.min > if newAmount > self.max: newAmount = self.max > self.amount = newAmount > > # print "hello" #<-------------- uncomment line to break > > # Figure out the new percent done, round to an integer > diffFromMin = float(self.amount - self.min) > percentDone = (diffFromMin / float(self.span)) * 100.0 > percentDone = round(percentDone) > percentDone = int(percentDone) > > # Figure out how many hash bars the percentage should be > allFull = self.width - 2 > numHashes = (percentDone / 100.0) * allFull > numHashes = int(round(numHashes)) > > # build a progress bar with hashes and spaces > self.progBar = "[" + '#'*numHashes + ' '*(allFull-numHashes) + "]" > > # figure out where to put the percentage, roughly centered > percentPlace = (len(self.progBar) / 2) - len(str(percentDone)) > percentString = str(percentDone) + "%" > > # slice the percentage into the bar > self.progBar = self.progBar[0:percentPlace] + percentString + > self.progBar[percentPlace+len(percentString):] > > def __str__(self): > return str(self.progBar) > > > if __name__ == "__main__": > > import time > prog = progressBar(0, 100, 77) > for i in xrange(101): > prog.updateAmount(i) > print prog, "\r", > time.sleep(.05) > > -- http://mail.python.org/mailman/listinfo/python-list
