added support for Dutch (NL) language

num2words/__init__.py

@@ -38,7 +38,7 @@ from . import lang_ES_VE
 from . import lang_ES_CO
 from . import lang_VN
 from . import lang_TR
-
+from . import lang_NL
 
 CONVERTER_CLASSES = {
     'ar': lang_AR.Num2Word_AR(),
@@ -62,7 +62,8 @@ CONVERTER_CLASSES = {
     'he': lang_HE.Num2Word_HE(),
     'it': lang_IT.Num2Word_IT(),
     'vi_VN': lang_VN.Num2Word_VN(),
-    'tr': lang_TR.Num2Word_TR()
+    'tr': lang_TR.Num2Word_TR(),
+    'nl': lang_NL.Num2Word_NL()
 }
 
 def num2words(number, ordinal=False, lang='en'):

num2words/lang_NL.py

@@ -0,0 +1,155 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals, print_function
+from .lang_EU import Num2Word_EU
+
+class Num2Word_NL(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 + "iljard"
+            self.cards[10**(n-3)] = word + "iljoen"
+
+    def setup(self):
+        self.negword = "min "
+        self.pointword = "komma"
+        self.errmsg_floatord = "Het zwevende puntnummer %s kan niet omgezet worden naar een ordernummer." # "Cannot treat float %s as ordinal."
+        self.errmsg_nonnum = "Alleen nummers (type (%s)) kunnen naar woorden omgezet worden." # "type(((type(%s)) ) not in [long, int, float]"
+        self.errmsg_negord = "Het negatieve getal %s kan niet omgezet worden naar een ordernummer." # "Cannot treat negative num %s as ordinal."
+        self.errmsg_toobig = "Het getal %s moet minder zijn dan %s." # "abs(%s) must be less than %s."
+        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 = ["zend"]+self.gen_high_numwords(units, tens, lows)
+        self.mid_numwords = [(1000, "duizend"), (100, "honderd"),
+                             (90, "negentig"), (80, "tachtig"), (70, "zeventig"),
+                             (60, "zestig"), (50, "vijftig"), (40, "veertig"),
+                             (30, "dertig")]
+        self.low_numwords = ["twintig", "negentien", "achttien", "zeventien",
+                             "zestien", "vijftien", "veertien", "dertien",
+                             "twaalf", "elf", "tien", "negen", "acht", "zeven",
+                             "zes", "vijf", "vier", "drie", "twee", "één",
+                             "nul"]
+
+        self.ords = {"één": "eerst",
+                    "twee": "tweed",
+                     "drie": "derd",
+                     "vier": "vierd",
+                     "vijf": "vijfd",
+                     "zes": "zesd",
+                     "zeven": "zevend",                     
+                     "acht": "achtst",
+                     "negen": "negend",
+                     "tien":"tiend",
+                     "elf":"elfde",
+                     "twaalf":"twaalfde",
+
+                     "ig": "igst",
+                     "erd": "erdst",
+                     "end": "endst",
+                     "joen": "joenst",
+                     "rd": "rdst"}
+
+    def merge(self, curr, next):
+        ctext, cnum, ntext, nnum = curr + next
+
+        if cnum == 1:
+            if nnum < 10**6:
+                return next
+            ctext = "een"
+
+        if nnum > cnum:
+            if nnum >= 10**6:
+                ctext += " "
+            val = cnum * nnum
+        else:
+            if nnum < 10 < cnum < 100:
+                if nnum == 1:
+                    ntext = "een"
+
+                if ntext.endswith("e"):
+                        ntext += "ën"#"n"
+                else:
+                        ntext += "en"     
+                ntext, ctext = ctext, ntext #+ "en"
+            elif cnum >= 10**6:
+                ctext += " "
+            val = cnum + nnum
+
+        word = ctext + ntext
+        return (word, val)
+
+    def to_ordinal(self, value):
+        self.verify_ordinal(value)
+        outword = self.to_cardinal(value)
+        for key in self.ords:
+            if outword.endswith(key):
+                outword = outword[:len(outword) - len(key)] + self.ords[key]
+                break
+        return outword + "e"
+
+    def to_ordinal_num(self, value):
+        self.verify_ordinal(value)
+        return str(value) + "."
+
+    def to_currency(self, val, longval=True, old=False):
+        if old:
+            return self.to_splitnum(val, hightxt="euro/s", lowtxt="cent/s",
+                                    jointxt="en",longval=longval)
+        return super(Num2Word_NL, self).to_currency(val, jointxt="en",
+                                                    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="honderd", longval=longval)
+
+n2w = Num2Word_NL()
+to_card = n2w.to_cardinal
+to_ord = n2w.to_ordinal
+to_ordnum = n2w.to_ordinal_num
+
+
+def main():
+    for val in [1, 7, 8, 12, 17, 62,81, 91, 99, 100, 101, 102, 155,
+             180, 300, 308, 832, 1000, 1001, 1061,1062, 1100, 1500, 1701, 3000,
+             8280, 8291, 150000, 500000, 3000000, 1000000, 2000001, 1000000000, 2000000000,
+             -21212121211221211111, -2.121212, -1.0000100]:
+        n2w.test(val)
+
+    # n2w.test(1325325436067876801768700107601001012212132143210473207540327057320957032975032975093275093275093270957329057320975093272950730)
+    n2w.test(3000000)
+    n2w.test(3000000000001)
+    n2w.test(3000000324566)
+    print(n2w.to_currency(112121))
+    print(n2w.to_year(2000))
+    print(n2w.to_year(1820))
+    print(n2w.to_year(2001))
+
+if __name__ == "__main__":
+    main()
+