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POWriting an Object Oriented morse code translator
 

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  1. POWriting an Object Oriented morse code translator
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    <p>below is my solution to reddit.com/r/dailyprogrammer #93 (easy). It is a python script that translates between english and morse code.</p> <p>Is <code>String_To_Translate</code> a good example of a class? Am I violating convention? How can I improve this code and make it more readable and pythonic?</p> <p>Any advice is much appreciated!</p> <pre><code>import re morse_code_dict = { 'a':'.-', 'b':'-...', 'c':'-.-.', 'd':'-...', 'e':'..-.', 'f':'..-.', 'g':'--.', 'h':'....', 'i':'..', 'j':'.---', 'k':'-.-', 'l':'.-..', 'm':'--', 'n':'-.', 'o':'---', 'p':'.--.', 'q':'--.-', 'r':'.-.', 's':'...', 't':'-', 'u':'..-', 'v':'...-', 'w':'.--', 'x':'-..-', 'y':'-.--', 'z':'--..', '1':'.----', '2':'..---', '3':'...--', '4':'....-', '5':'.....', '6':'-....', '7':'--...', '8':'---..', '9':'----.', '0':'-----', ',':'--..--', '.':'.-.-.-', '?':'..--..', '/':'-..-.', '-':'-....-', '(':'-.--.', ')':'-.--.-', ' ':' ', } class String_To_Translate: def __init__(self, string): self.string = string self.Translated = '' self.lang = '' def determine_lang(self): exp = r'[a-zA-Z\,\?\/\(\)]'#regexp for non morse code char if re.search(exp, self.string) == None: self.lang = 'm' else: self.lang = 'eng' def prep(self): if self.lang == 'eng': #get rid of whitespace &amp; warn user (self.string, numWhitespaceReplacements) = re.subn(r'\s', ' ', self.string) if numWhitespaceReplacements &gt; 0: print 'Some whitespace characters have been replaced with spaces.' #get rid of characters not in dict &amp; warn user (self.string, numReplacements) = re.subn(r'[^a-zA-Z\,\?\/\(\)\.\-\s]', ' ', self.string) if numReplacements &gt; 0: print 'Some ({0}) characters were unrecognized and could not be translated, they have been replaced by spaces.'.format(numReplacements) #convert to lowercase self.string = self.string.lower() def translate_from_morse(self): eng_dict = dict([(v, k) for (k, v) in morse_code_dict.iteritems()]) def split_morse(string): d = ' ' charList = [[char for char in word.split() + [' ']] for word in string.split(d) if word != ''] charList = [item for sublist in charList for item in sublist] print charList return charList charList = split_morse(self.string) for char in charList: self.Translated += eng_dict[char] def translate_from_eng(self): charList=list(self.string) for char in charList: self.Translated += morse_code_dict[char] + ' ' def translate(self): self.determine_lang() if self.lang == 'm': self.translate_from_morse() elif self.lang == 'eng': self.prep() self.translate_from_eng() else: print 'shit' if __name__=="__main__": translateme = String_To_Translate(raw_input('enter a string: ')) translateme.translate() print translateme.Translated print 'translating back' test = String_To_Translate(translateme.Translated) test.translate() print test.Translated </code></pre>
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    1. COI reach for objects when I need to combine state with behavior. This task seems to be all about behavior.
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      1. POWriting an Object Oriented morse code translator
      1. USSteven Rumbalski
    2. COyou can use tools like `pylint` to rate your code as per PEP8 standards.. and modify where ever needed... A rating of 8 and above can be considered good
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    3. COYou should try posting this to http://codereview.stackexchange.com instead.
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      1. USJulian
 

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