Colorize kana in anki

Now do stroke order diagrams in anki when the character consists of a single
kana.  Retains behavior of diagrams for only kanji in full sentences.

Fixes issue #20 and issue #32

anki/kanji_colorizer.py

@@ -105,6 +105,21 @@ def modelIsCorrectType(model):
                          srcField in fields and
                          dstField in fields)
 
+
+def characters_to_colorize(s):
+    '''
+    Given a string, returns a lost of characters to colorize
+
+    If the string consists of only a single character, returns a list
+    containing that character.  If it is longer, returns a list of  only the
+    kanji.
+
+    '''
+    if len(s) <= 1:
+        return list(s)
+    return [c for c in s if ord(c) >= 19968 and ord(c) <= 40879]
+
+
 def addKanji(note, flag=False, currentFieldIndex=None):
     '''
     Checks to see if a kanji should be added, and adds it if so.
@@ -121,10 +136,7 @@ def addKanji(note, flag=False, currentFieldIndex=None):
 
     dst=''
     #srcTxt = string.replace(srcTxt, u'\uff5e', u'\u301c').encode('euc-jp')
-    for character in unicode(srcTxt):
-        if ord(character) < 19968: # only add kanjis
-            continue
-
+    for character in characters_to_colorize(unicode(srcTxt)):
         # write to file; anki works in the media directory by default
         try:
             filename = KanjiVG(character).ascii_filename

pavement.py

@@ -36,7 +36,7 @@
     description='script and module to create colored stroke order '
         'diagrams based on KanjiVG data',
     long_description=open('README.rst').read(),
-    version='0.8.0',
+    version='0.9',
     author='Cayenne',
     author_email='cayennes@gmail.com',
     url='http://github.com/cayennes/kanji-colorize',