def createTagCloud(self,wordline):
"""
Create tag cloud image
"""
wordstream = []
if wordline == '':
return False
wordsTokens = WhitespaceTokenizer().tokenize(wordline)
wordsTokens.remove(wordsTokens[0])
wordstream.append(' '.join(wordsTokens))
wordstream = ' '.join(wordstream)
thresh = self.wordCount
colorS = self.colorSchemes[self.color]
tags = make_tags(get_tag_counts(wordstream)[:thresh],\
minsize=3, maxsize=40,\
colors = COLOR_SCHEMES[colorS])
create_tag_image(tags, self.png,\
size=(960, 400),\
background=(255, 255, 255, 255),\
layout= LAYOUT_HORIZONTAL,\
fontname='Neuton')
return True
def topicWordFreq(self,wordline):
"""
Statistic word stream frequency.
"""
wordstream = []
wordsTokens = WhitespaceTokenizer().tokenize(wordline)
wordsTokens.remove(wordsTokens[0])
wordstream.append(' '.join(wordsTokens))
wordstream = ' '.join(wordstream)
#print wordstream
fdist = FreqDist()
for word in word_tokenize(wordstream):
fdist.inc(word)
result = [list(item) for item in fdist.items()]
num = float(fdist.N())
result = [[val[0],val[1],val[1]/num] for val in result]
#print "smaples:"
#print fdist.items()
#print fdist.keys()
return result
