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main.py
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main.py
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from flask import Flask , request, jsonify
from flask_cors import CORS
from newsapi import NewsApiClient
import ast
import re
app = Flask(__name__ ,static_url_path='')
CORS(app)
app.config["DEBUG"] = True
# Init
newsapi = NewsApiClient(api_key='b843733b833f4f8aa9b9f69ce8fffbd1')
#8073a8b6efac4b679b0ebebcb3f5658f
#b843733b833f4f8aa9b9f69ce8fffbd1
# /v2/top-headlines
'''
top_headlines = newsapi.get_top_headlines(q='bitcoin',
sources='bbc-news,the-verge',
category='business',
language='en',
country='us')
# /v2/everything
all_articles = newsapi.get_everything(q='bitcoin',
sources='bbc-news,the-verge',
domains='bbc.co.uk,techcrunch.com',
from_param='2017-12-01',
to='2017-12-12',
language='en',
sort_by='relevancy',
page=2)
# /v2/sources
sources = newsapi.get_sources()
'''
@app.route('/', methods=['GET', 'POST'])
def home():
return app.send_static_file('index.html')
#return content_list
#return content_list#app.send_static_file(content_list)
@app.route('/category', methods=['POST','GET'])
def category():
category = request.values.get('category')
sources = set()
sources_list = []
count = 0
if category == "all":
articles = newsapi.get_sources(language='en', country='us')
for i in range(len(articles['sources'])):
if articles['sources'][i]['name'] not in sources:
sources.add(articles['sources'][i]['name'])
sources_list.append(articles['sources'][i])
count += 1
if count == 10:
break
return jsonify(sources_list)
else:
articles = newsapi.get_sources(language='en', country='us', category=category)
for i in range(len(articles['sources'])):
if articles['sources'][i]['name'] not in sources:
sources.add(articles['sources'][i]['name'])
sources_list.append(articles['sources'][i])
count += 1
if count == 10:
break
return jsonify(sources_list)
@app.route('/search', methods=['POST','GET'])
def search():
keyword = request.values.get('keyword')
source = request.values.get('source')
fromd = request.values.get('fromd')
tod = request.values.get('tod')
search_cards = []
if source == "all":
try:
articles = newsapi.get_everything(q=keyword, from_param=fromd, to=tod, language='en', page_size=80, sort_by='publishedAt')
except Exception as e:
print(ast.literal_eval(str(e))['message'])
error_dict = {'title':'error_date', 'error':ast.literal_eval(str(e))['message']}
search_cards.append(error_dict)
return jsonify(search_cards)
else:
try:
articles = newsapi.get_everything(q=keyword, from_param=fromd, to=tod, sources=source, language='en', page_size=80, sort_by='publishedAt')
except Exception as e:
print(ast.literal_eval(str(e))['message'])
error_dict = {'title':'error_date', 'error':ast.literal_eval(str(e))['message']}
search_cards.append(error_dict)
return jsonify(search_cards)
article_keys = ['author', 'title', 'description', 'url', 'urlToImage', 'publishedAt', 'source']
sources_keys = ['id', 'name']
news_set = set()
for i in range(len(articles['articles'])):
for k in article_keys:
if k not in articles['articles'][i].keys():
break
for k in sources_keys:
if k not in articles['articles'][i]['source'].keys():
break
#if articles['articles'][i]['author'] == "" or articles['articles'][i]['title'] == "" or articles['articles'][i]['description'] == "" or articles['articles'][i]['url'] == "" or articles['articles'][i]['urlToImage'] == "" or articles['articles'][i]['publishedAt'] == "" or articles['articles'][i]['source'] == "" or articles['articles'][i]['source']['id'] == "" or articles['articles'][i]['source']['name'] == "":
if articles['articles'][i]['author'] == None or articles['articles'][i]['title'] == None or articles['articles'][i]['description'] == None or articles['articles'][i]['url'] == None or articles['articles'][i]['urlToImage'] == None or articles['articles'][i]['publishedAt'] == None or articles['articles'][i]['source'] == None or articles['articles'][i]['source']['id'] == None or articles['articles'][i]['source']['name'] == None or articles['articles'][i]['author'] == "" or articles['articles'][i]['title'] == "" or articles['articles'][i]['description'] == "" or articles['articles'][i]['url'] == "" or articles['articles'][i]['urlToImage'] == "" or articles['articles'][i]['publishedAt'] == "" or articles['articles'][i]['source'] == "" or articles['articles'][i]['source']['id'] == "" or articles['articles'][i]['source']['name'] == "":
continue
if articles['articles'][i]['url'] not in news_set:
search_cards.append(articles['articles'][i])
news_set.add(articles['articles'][i]['url'])
return jsonify(search_cards)
@app.route('/slides', methods=['GET', 'POST'])
def slides():
articles = newsapi.get_top_headlines()
articles_five = []
source_set = set()
count = 0
for i in range(len(articles['articles'])):
s_name = articles['articles'][i]['source']['name']
if s_name != "" and s_name not in source_set and articles['articles'][i]['urlToImage']!="":
count+=1
source_set.add(s_name)
articles_five.append(articles['articles'][i])
return jsonify(articles_five)
@app.route('/cnnfox', methods=['GET', 'POST'])
def cnnfox():
articles_cnn = newsapi.get_top_headlines(sources='cnn')
result = []
for i in range(4):
result.append(articles_cnn['articles'][i])
articles_fox = newsapi.get_top_headlines(sources='fox-news')
for i in range(4):
result.append(articles_fox['articles'][i])
return jsonify(result)
#word cloud
@app.route('/index', methods=['GET', 'POST'])
def yo():
stopwords = []
#read file
with open('stopwords_en.txt') as f:
# with open('test.txt') as f:
for line in f:
line = line.replace("\n", "")
stopwords.append(line)
articles = newsapi.get_top_headlines(page_size=30)
#articles_fox = newsapi.get_everything(language="en", sources="fox-news")
#articles_google = newsapi.get_everything(language="en", sources="google-news")
tmp_string_list = []
#print(articles)
for i in range(len(articles['articles'])):
tmp_string_list.append(articles['articles'][i]['title'].lower())
word_cloud_list = []
for i in range(len(tmp_string_list)):
tmp_string_split = tmp_string_list[i].split()
for j in range(len(tmp_string_split)):
if re.findall(r'[a-z]+', tmp_string_split[j]):
word_cloud_list.append(re.findall(r'[a-z]+', tmp_string_split[j])[0])
word_cloud_set = set(word_cloud_list)
word_cloud_dict = dict()
for key in word_cloud_set:
word_cloud_dict[key] = word_cloud_list.count(key)
word_cloud_dict = sorted(word_cloud_dict.items(), key=lambda k: k[1], reverse=True)
count = 0
content_list = []
for k,v in word_cloud_dict:
if k not in stopwords and k != "":
content_list.append(k)
count+=1
if count == 30:
break
return ' '.join([str(elem) for elem in content_list])
'''
@app.route('/')
def home():
#global content_list
return app.send_static_file('hello.html')
#return render_template('homepage.html', contents='This is index page')
#return {%render_template('d3-cloud.js', contents='yo')%}
'''
#app.run(host='0.0.0.0', port=5500, use_reloader=False) # allow public connection
if __name__ == "__main__":
app.run()