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num2word.py

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+'''
+Module: num2word.py
+Requires: num2word_*.py
+Version: 0.2
+
+Author:
+   Taro Ogawa ([email protected])
+   
+Copyright:
+    Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+
+Licence:
+    This module is distributed under the Lesser General Public Licence.
+    http://www.opensource.org/licenses/lgpl-license.php
+
+Usage:
+    from num2word import to_card, to_ord, to_ordnum
+    to_card(1234567890)
+    to_ord(1234567890)
+    to_ordnum(12)
+
+Notes:
+    The module is a wrapper for language-specific modules.  It imports the
+    appropriate modules as defined by locale settings.  If unable to
+    load an appropriate module, an ImportError is raised.
+
+History:
+    0.2: n2w, to_card, to_ord, to_ordnum now imported correctly
+'''
+import locale as _locale
+
+# Correct omissions in locale:
+# Bugrep these...
+_locdict = { "English_Australia" : "en_AU", }
+
+
+_modules = []
+for _loc in [_locale.getlocale(), _locale.getdefaultlocale()]:
+    _lang = _loc[0]
+    if _lang:
+        _lang = _locdict.get(_lang, _lang)
+        _lang = _lang.upper()
+
+        _modules.append("num2word_" + _lang)
+        _modules.append("num2word_" + _lang.split("_")[0])
+
+for _module in _modules:
+    try:
+        n2wmod = __import__(_module)
+        break
+    except ImportError:
+        pass
+
+try:
+    n2w, to_card, to_ord, to_ordnum, to_year = (n2wmod.n2w, n2wmod.to_card,
+                                                n2wmod.to_ord, n2wmod.to_ordnum,
+                                                n2wmod.to_year)
+except NameError:
+    raise ImportError("Could not import any of these modules: %s"
+                          % (", ".join(_modules)))

num2word_DE.py

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+'''
+Module: num2word_DE.py
+Requires: num2word_base.py
+Version: 0.4
+
+Author:
+   Taro Ogawa ([email protected])
+
+Copyright:
+    Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+
+Licence:
+    This module is distributed under the Lesser General Public Licence.
+    http://www.opensource.org/licenses/lgpl-license.php
+
+Data from:
+   - http://german4u2know.tripod.com/nouns/10.html
+   - http://www.uni-bonn.de/~manfear/large.php
+
+Usage:
+    from num2word_DE import to_card, to_ord, to_ordnum
+    to_card(1234567890)
+    to_ord(1234567890)
+    to_ordnum(12)
+
+History
+    0.4: Use high ascii characters instead of low ascii approximations
+         add to_currency() and to_year()
+
+'''
+from num2word_EU import Num2Word_EU
+
+#//TODO: Use German error messages
+class Num2Word_DE(Num2Word_EU):
+    def set_high_numwords(self, high):
+        max = 3 + 6*len(high)
+
+        for word, n in zip(high, range(max, 3, -6)):
+            self.cards[10**n] = word + "illiarde"
+            self.cards[10**(n-3)] = word + "illion"
+
+
+    def setup(self):
+        self.negword = "minus "
+        self.pointword = "Komma"
+        self.errmsg_nonnum = "Only numbers may be converted to words."
+        self.errmsg_toobig = "Number is too large to convert to words."
+        self.exclude_title = []
+
+        lows = ["non", "okt", "sept", "sext", "quint", "quadr", "tr", "b", "m"]
+        units = ["", "un", "duo", "tre", "quattuor", "quin", "sex", "sept",
+                 "okto", "novem"]
+        tens = ["dez", "vigint", "trigint", "quadragint", "quinquagint",
+                "sexagint", "septuagint", "oktogint", "nonagint"]
+        self.high_numwords = ["zent"]+self.gen_high_numwords(units, tens, lows)
+        self.mid_numwords = [(1000, "tausand"), (100, "hundert"),
+                             (90, "neunzig"), (80, "achtzig"), (70, "siebzig"),
+                             (60, "sechzig"), (50, "f\xFCnfzig"), (40, "vierzig"),
+                             (30, "drei\xDFig")]
+        self.low_numwords = ["zwanzig", "neunzehn", "achtzen", "siebzehn",
+                             "sechzehn", "f\xFCnfzehn", "vierzehn", "dreizehn",
+                             "zw\xF6lf", "elf", "zehn", "neun", "acht", "sieben",
+                             "sechs", "f\xFCnf", "vier", "drei", "zwei", "eins",
+                             "null"]
+        self.ords = { "eins"    : "ers",
+                      "drei"    : "drit",
+                      "acht"    : "ach",
+                      "sieben"  : "sieb",
+                      "ig"      : "igs" }
+        self.ordflag = False
+
+
+    def merge(self, curr, next):
+        ctext, cnum, ntext, nnum = curr + next
+
+        if cnum == 1:
+            if nnum < 10**6 or self.ordflag:
+                return next
+            ctext = "eine"
+
+        if nnum > cnum:
+            if nnum >= 10**6:
+                if cnum > 1:
+                    if ntext.endswith("e") or self.ordflag:
+                        ntext += "s"
+                    else:
+                        ntext += "es"
+                ctext += " "
+            val = cnum * nnum
+        else:
+            if nnum < 10 < cnum < 100:
+                if nnum == 1:
+                    ntext = "ein"
+                ntext, ctext =  ctext, ntext + "und"
+            elif cnum >= 10**6:
+                ctext += " "
+            val = cnum + nnum
+
+        word = ctext + ntext
+        return (word, val)
+
+
+    def to_ordinal(self, value):
+        self.verify_ordinal(value)
+        self.ordflag = True
+        outword = self.to_cardinal(value)
+        self.ordflag = False
+        for key in self.ords:
+            if outword.endswith(key):
+                outword = outword[:len(outword) - len(key)] + self.ords[key]
+                break
+        return outword + "te"
+
+
+    # Is this correct??
+    def to_ordinal_num(self, value):
+        self.verify_ordinal(value)
+        return str(value) + "te"
+
+
+    def to_currency(self, val, longval=True, old=False):
+        if old:
+            return self.to_splitnum(val, hightxt="mark/s", lowtxt="pfennig/e",
+                                    jointxt="und",longval=longval)
+        return super(Num2Word_DE, self).to_currency(val, jointxt="und",
+                                                    longval=longval)
+
+    def to_year(self, val, longval=True):
+        if not (val//100)%10:
+            return self.to_cardinal(val)
+        return self.to_splitnum(val, hightxt="hundert", longval=longval)
+
+
+
+n2w = Num2Word_DE()
+to_card = n2w.to_cardinal
+to_ord = n2w.to_ordinal
+to_ordnum = n2w.to_ordinal_num
+
+
+def main():
+    for val in [ 1, 11, 12, 21, 31, 33, 71, 80, 81, 91, 99, 100, 101, 102, 155,
+             180, 300, 308, 832, 1000, 1001, 1061, 1100, 1500, 1701, 3000,
+             8280, 8291, 150000, 500000, 1000000, 2000000, 2000001,
+             -21212121211221211111, -2.121212, -1.0000100]:
+        n2w.test(val)
+
+    n2w.test(1325325436067876801768700107601001012212132143210473207540327057320957032975032975093275093275093270957329057320975093272950730)
+    print n2w.to_currency(112121)
+    print n2w.to_year(2000)
+
+if __name__ == "__main__":
+    main()
+

num2word_EN.py

@@ -0,0 +1,137 @@
+'''
+Module: num2word_EN.py
+Requires: num2word_EU.py
+Version: 1.2
+
+Author:
+   Taro Ogawa ([email protected])
+   
+Copyright:
+    Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+
+Licence:
+    This module is distributed under the Lesser General Public Licence.
+    http://www.opensource.org/licenses/lgpl-license.php
+
+Data from:
+    http://www.uni-bonn.de/~manfear/large.php
+    
+Usage:
+    from num2word_EN import n2w, to_card, to_ord, to_ordnum
+    to_card(1234567890)
+    n2w.is_title = True
+    to_card(1234567890)
+    to_ord(1234567890)
+    to_ordnum(1234567890)
+    to_year(1976)
+    to_currency(dollars*100 + cents, longval=False)
+    to_currency((dollars, cents))
+    
+
+History:
+    1.2: to_ordinal_num() made shorter and simpler (but slower)
+         strings in merge() now interpolated
+         to_year() and to_currency() added
+         
+    1.1: to_ordinal_num() fixed for 11,12,13   
+'''
+from __future__ import division 
+import num2word_EU
+
+
+class Num2Word_EN(num2word_EU.Num2Word_EU):
+    def set_high_numwords(self, high):
+        max = 3 + 3*len(high)
+        for word, n in zip(high, range(max, 3, -3)):
+            self.cards[10**n] = word + "illion"
+
+    def setup(self):
+        self.negword = "minus "
+        self.pointword = "point"
+        self.errmsg_nonnum = "Only numbers may be converted to words."
+        self.exclude_title = ["and", "point", "minus"]
+
+        self.mid_numwords = [(1000, "thousand"), (100, "hundred"),
+                             (90, "ninety"), (80, "eighty"), (70, "seventy"),
+                             (60, "sixty"), (50, "fifty"), (40, "forty"),
+                             (30, "thirty")]
+        self.low_numwords = ["twenty", "nineteen", "eighteen", "seventeen",
+                             "sixteen", "fifteen", "fourteen", "thirteen",
+                             "twelve", "eleven", "ten", "nine", "eight",
+                             "seven", "six", "five", "four", "three", "two",
+                             "one", "zero"]
+        self.ords = { "one"    : "first",
+                      "two"    : "second",
+                      "three"  : "third",
+                      "five"   : "fifth",
+                      "eight"  : "eighth",
+                      "nine"   : "ninth",
+                      "twelve" : "twelfth" }
+
+
+    def merge(self, curr, next):
+        ctext, cnum, ntext, nnum = curr + next
+
+        if cnum == 1 and nnum < 100:
+            return next
+        elif 100 > cnum > nnum :
+            return ("%s-%s"%(ctext, ntext), cnum + nnum)
+        elif cnum >= 100 > nnum:
+            return ("%s and %s"%(ctext, ntext), cnum + nnum)
+        elif nnum > cnum:
+            return ("%s %s"%(ctext, ntext), cnum * nnum)
+        return ("%s, %s"%(ctext, ntext), cnum + nnum)
+
+
+    def to_ordinal(self, value):
+        self.verify_ordinal(value)
+        outwords = self.to_cardinal(value).split(" ")
+        lastwords = outwords[-1].split("-")
+        lastword = lastwords[-1].lower()
+        try:
+            lastword = self.ords[lastword]
+        except KeyError:
+            if lastword[-1] == "y":
+                lastword = lastword[:-1] + "ie" 
+            lastword += "th"
+        lastwords[-1] = self.title(lastword) 
+        outwords[-1] = "-".join(lastwords)
+        return " ".join(outwords)
+
+
+    def to_ordinal_num(self, value):
+        self.verify_ordinal(value)
+        return "%s%s"%(value, self.to_ordinal(value)[-2:])
+
+
+    def to_year(self, val, longval=True):
+        if not (val//100)%10:
+            return self.to_cardinal(val)
+        return self.to_splitnum(val, hightxt="hundred", jointxt="and",
+                                longval=longval)
+
+    def to_currency(self, val, longval=True):
+        return self.to_splitnum(val, hightxt="dollar/s", lowtxt="cent/s",
+                                jointxt="and", longval=longval)
+
+
+n2w = Num2Word_EN()
+to_card = n2w.to_cardinal
+to_ord = n2w.to_ordinal
+to_ordnum = n2w.to_ordinal_num
+to_year = n2w.to_year
+
+def main():
+    for val in [ 1, 11, 12, 21, 31, 33, 71, 80, 81, 91, 99, 100, 101, 102, 155,
+             180, 300, 308, 832, 1000, 1001, 1061, 1100, 1500, 1701, 3000,
+             8280, 8291, 150000, 500000, 1000000, 2000000, 2000001,
+             -21212121211221211111, -2.121212, -1.0000100]:
+        n2w.test(val)
+    n2w.test(1325325436067876801768700107601001012212132143210473207540327057320957032975032975093275093275093270957329057320975093272950730)
+    for val in [1,120,1000,1120,1800, 1976,2000,2010,2099,2171]:
+        print val, "is", n2w.to_currency(val)
+        print val, "is", n2w.to_year(val)
+
+
+if __name__ == "__main__":
+    main()