dictionary - Python ValueError: chr() arg not in range(256) -

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so learning python , redoing old projects. project involves taking in dictionary , message translated command line, , translating message. (for example: "btw, hello how r u" translated "by way, hello how you".

we using scanner supplied professor read in tokens , strings. if necessary can post here too. heres error:

nathans-air-4:py1 nathan$ python translate.py test.xlt test.msg traceback (most recent call last):   file "translate.py", line 26, in <module>     main()   file "translate.py", line 13, in main     dictionary,count = makedictionary(commanddict)   file "/users/nathan/cs150/extra/py1/support.py", line 12, in makedictionary     string = s.readstring()   file "/users/nathan/cs150/extra/py1/scanner.py", line 105, in readstring     return self._getstring()   file "/users/nathan/cs150/extra/py1/scanner.py", line 251, in _getstring     if (delimiter == chr(0x2018)): valueerror: chr() arg not in range(256)

heres main translate.py file:

from support import * scanner import * import sys  def main():     arguments = len(sys.argv)     if arguments != 3:         print'need 2 arguments!\n'         exit(1)     commanddict = sys.argv[1]     commandmessage = sys.argv[2]      dictionary,count = makedictionary(commanddict)      message,messagecount = makemessage(commandmessage)      print(dictionary)     print(message)      = 0     while count < messagecount:         translation = translate(message[i],dictionary,messagecount)         print(translation)         count = count + 1         = +1     main()

and here support.py file using...

from scanner import *  def makedictionary(filename):     fp = open(filename,"r")      s = scanner(filename)     lyst = []     token = s.readtoken()     count = 0     while (token != ""):         lyst.append(token)         string = s.readstring()         count = count+1         lyst.append(string)         token = s.readtoken()     return lyst,count  def translate(word,dictionary,count):     = 0     while != count:         if word == dictionary[i]:             return dictionary[i+1]             = i+1         else:             return word             = i+1     return 0  def makemessage(filename):     fp = open(filename,"r")      s = scanner(filename)     lyst2 = []     string = s.readtoken()     count = 0     while (string != ""):         lyst2.append(string)         string = s.readtoken()         count = count +  1     return lyst2,count

does know whats going on here? i've looked through several times , dont know why readstring throwing error... stupid missed

chr(0x2018) work if use python 3.

you have code that's written python 3 run python 2. in python 2 chr give 1 character string in ascii range. 8-bit string, maximum parameter value chris 255. in python 3 you'll unicode character , unicode code points can go higher values.


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