defget_arguments():

iflen(sys.argv)is2:

returnsys.argv[1]

else:

print('Specify at least 1 argument')

sys.exit()

defget_comments(url):

html=requests.get('https://plus.googleapis.com/u/0/_/widget/render/comments?first_party_property=YOUTUBE&href='+url)

soup=bs4(html.text,'html.parser')

return [comment.stringforcommentinsoup.findAll('div',class_='Ct')]

defcalculate_sentiment(comments):

negative_words= [

'hate','hated','dislike','disliked','awful','terrible','bad',

'painful','worst','suck','rubbish','sad','sodding'

]

positive_words= [

'love','loved','like','liked','awesome','amazing','good',

'great','excellent','brilliant','cool'

]

forcommentincomments:

ifcommentisNone:

else:

forwordincomment.split(' '):

ifwordinnegative_words:

ifwordinpositive_words:

return {'positive':positive,'negative':negative}

defmain():

url=get_arguments()

ifurl:

comments=get_comments(url)

iflen(comments)<=0:

print('This video has no comments.')

sys.exit()

sentiment=calculate_sentiment(comments)

positive_score=sentiment['positive']

negative_score=sentiment['negative']

ifpositive_score>negative_score:

print('This video is generally positive:')

print('{0} positive / {1} total hits'.format(

positive_score,total_score))

elifnegative_score>positive_score:

print('This video is generally negative:')

print ('{0} negative / {1} total hits'.format(

negative_score,total_score))

else:

print('This video is mutual:')

print('{0} positive {1} negative'.format(

positive_score,negative_score))

else:

print('No url supplied')

if__name__=='__main__':

main()

1.**28_income_tax_calculator.py**: Income tax calculator via[Taxee](http://taxee.io/)

1.**29_json_to_yaml.py**: Convert JSON to YAML

1.**30_fullcontact.py**: Call the[FullcContact](https://www.fullcontact.com/developer/) API

1.**31_youtube_sentiment.py**: Calculate sentiment score from the comments of a Youtube video