├── templates
├── layout.html
└── cloud.html
├── README.md
├── static
├── style.css
└── jquery.js
└── newsApp.py
/templates/layout.html:
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1 |
2 | News Visualization
3 |
4 |
5 |
6 |
7 |
8 |
9 | {% block body %}{% endblock %}
10 |
11 |
12 |
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/README.md:
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1 | # news-visualization
2 | Watson Discovery News Visualization
3 |
4 | A [D3.js](https://d3js.org/) visualization using the pre-enriched news content avaialable as part of the [Watson Discovery Service](https://www.ibm.com/watson/developercloud/discovery.html)
5 |
6 | To get started, provision an instance of Discovery on [Bluemix](https://console.ng.bluemix.net/)
7 |
8 | Clone this repo and navigate to the news-visualization directory:
9 | ```
10 | git clone https://github.com/zwalchuk/news-visualization.git
11 | cd news-visualization
12 | ```
13 | Gather your username, password, environment_id, and collection_id and store them as environment variables:
14 | ```
15 | export USERNAME = ''
16 | export PASSWORD = ''
17 | export ENVIRONMENT_ID = ''
18 | export COLLECTION_ID = ''
19 | ```
20 | Launch the app:
21 | ```
22 | python newsApp.py
23 | ```
24 |
25 |
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/static/style.css:
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1 | body { font-family: sans-serif; background: #eee; }
2 | a, h1, h2 { color: #383838; }
3 | a:link {text-decoration: none;}
4 | a:hover {text-decoration: underline;}
5 | a:active {text-decoration: none;}
6 | a:visited {color:grey;}
7 | h1, h2 { font-family: 'Times', serif; }
8 | h1 { border-bottom: 2px solid #eee; }
9 | h2 { font-size: 1.2em;}
10 | td { width: 33.33%; }
11 | table { padding-top: 0.8em; }
12 | hr { border: 0; height: 0; border-top: 1px solid rgba(0,0,0,0.1); border-bottom: 1px solid rgba(255,255,255,0.3);}
13 |
14 | .page { height: 85vh; margin: 3em; background: white;
15 | box-shadow: 10px 10px 5px #888888;}
16 | .entries { margin: 0; padding: 0; }
17 | .add-entry { font-size: 0.9em; font-weight: bold; padding: 0.8em;}
18 |
19 | .flash { background: #cee5F5; padding: 0.5em;
20 | border: 1px solid #aacbe2; margin-bottom: 1em;}
21 | .error { background: #f0d6d6; padding: 0.5em; }
22 | .node { font-family: Lato;}
23 |
24 | .link { stroke: #999; stroke-width: .5px;}
25 | #loading { display: none;}
26 | #chart { margin: auto; display: none; }
27 | .graph { width: 75%; height: 100%; background: #383838;
28 | float: left}
29 | .headlines { width: 25%; height: 100%; float: left;
30 | overflow-y: auto;
31 | }
32 | .titles { padding: .5em }
33 |
--------------------------------------------------------------------------------
/newsApp.py:
--------------------------------------------------------------------------------
1 | import requests
2 | import sys
3 | import os
4 | from flask import Flask, request, session, g, redirect, url_for, \
5 | abort, render_template, flash, json, jsonify
6 |
7 |
8 |
9 |
10 | app = Flask(__name__)
11 |
12 | username = os.environ.get('USERNAME', None)
13 | password = os.environ.get('PASSWORD', None)
14 | environment_id = os.environ.get('ENVIRONMENT_ID', None)
15 | collection_id = os.environ.get('COLLECTION_ID', None)
16 | endpoint = "https://gateway.watsonplatform.net/discovery/api/v1/environments/"+environment_id+"/collections/"+collection_id+"/query?version=2016-11-07&"
17 |
18 | @app.route('/')
19 | def error():
20 |
21 | return "Please specify a search term in your URL"
22 |
23 | @app.route('/newHeadlines', methods=['POST'])
24 | def newHeadlines():
25 | combo = request.json['combo']
26 | comboWords=combo.replace("\"","").split('|')
27 |
28 | combos=[]
29 | headlines={}
30 |
31 |
32 | try:
33 | get_url = endpoint+"query=title:("+combo+")|enrichedTitle.entities.text:("+combo+")&count=50&return=title,url"
34 | results = requests.get(url=get_url, auth=(username, password))
35 | response = results.json()
36 |
37 |
38 | for article in response['results']:
39 | combos[:]=[]
40 | for word in comboWords:
41 | if word.upper() in article['title'].upper():
42 | combos.append(word)
43 | comboStr = ''.join(sorted(combos))
44 | comboLen = len(combos)
45 | if comboLen not in headlines:
46 | headlines[comboLen]={}
47 | if comboStr not in headlines[comboLen]:
48 | headlines[comboLen][comboStr]={}
49 | headlines[comboLen][comboStr][article['title']]=article['url']
50 |
51 |
52 | except Exception as e:
53 | print e
54 | output = { 'headlines': headlines }
55 | return jsonify(output)
56 |
57 | @app.route('/click', methods=['GET', 'POST'])
58 | def click():
59 |
60 |
61 | nodes=request.json['nodes']
62 | links=request.json['links']
63 | bigWords=request.json['bigWords']
64 | index=request.json['current']
65 |
66 | x = nodes[index]['x']
67 | y = nodes[index]['y']
68 | text = nodes[index]['text']
69 |
70 | length = len(nodes)
71 | words={}
72 | headlines={}
73 | combo=""
74 | comboWords=[]
75 | combos=[]
76 | for node in nodes:
77 | words[node['text']] = node['index']
78 | if node['expand'] == 1:
79 | comboWords.append(node['text'])
80 | for word in comboWords:
81 | combo+="\""+word+"\"|"
82 | combo=combo[:-1]
83 | try:
84 | get_url = endpoint+"query=title:("+combo+")|enrichedTitle.entities.text:("+combo+")&count=50&return=title,url"
85 | results = requests.get(url=get_url, auth=(username, password))
86 | response = results.json()
87 |
88 |
89 | for article in response['results']:
90 | combos[:]=[]
91 | for word in comboWords:
92 | if word.upper() in article['title'].upper():
93 | combos.append(word)
94 | comboStr = ''.join(sorted(combos))
95 | comboLen = len(combos)
96 | if comboLen not in headlines:
97 | headlines[comboLen]={}
98 | if comboStr not in headlines[comboLen]:
99 | headlines[comboLen][comboStr]={}
100 | headlines[comboLen][comboStr][article['title']]=article['url']
101 |
102 | except Exception as e:
103 | print e
104 |
105 | output = { 'results': { 'nodes': [], 'links': [], 'headlines': headlines, 'combo': combo } }
106 |
107 | try:
108 | get_url = endpoint+"query=title:\""+text+"\"&aggregation=nested(enrichedTitle.entities).filter(enrichedTitle.entities.type:Person).term(enrichedTitle.entities.text,count:100)&count=0"
109 | results = requests.get(url=get_url, auth=(username, password))
110 | response=results.json()
111 |
112 | #add to bigWords
113 | wordList = []
114 | for kword in response['aggregations'][0]['aggregations'][0]['aggregations'][0]['results']:
115 | wordList.append(kword['key'])
116 | bigWords[text]={'wordList':wordList,'expand':1}
117 | output['results']['bigWords']=bigWords
118 | count1=0
119 | count2=0
120 |
121 | for newWord in bigWords[text]['wordList']:
122 | if newWord in words:
123 | output['results']['links'].append({'source':index,'target':words[newWord]})
124 | continue
125 | if count2 < 5:
126 | for bigWord in bigWords:
127 | if bigWords[bigWord]['expand']==0:
128 | continue
129 | if bigWord == text:
130 | continue
131 | if newWord in bigWords[bigWord]['wordList']:
132 | if newWord not in words:
133 | output['results']['nodes'].append({'x': x, 'y': y, 'text': newWord, 'size': 1.5, 'color': 'white', 'expand': 0})
134 | words[newWord]=length
135 | length+=1
136 | count2+=1
137 | output['results']['links'].append({'source':words[newWord],'target':words[bigWord]})
138 | output['results']['links'].append({'source':words[newWord],'target':index})
139 | if newWord not in words and count1 < 5:
140 | output['results']['nodes'].append({'x': x, 'y': y, 'text': newWord, 'size': 1.5, 'color': 'white', 'expand': 0})
141 | output['results']['links'].append({'source':length,'target':index})
142 | length+=1
143 | count1+=1
144 |
145 | except Exception as e:
146 | print e
147 |
148 | return jsonify(output)
149 |
150 | @app.route('/favicon.ico')
151 | def favicon():
152 | return ""
153 |
154 |
155 | @app.route('/')
156 | def news_page(keyword):
157 | index=0
158 | nodes=[]
159 | links=[]
160 | headlines={}
161 | headlines[1]={}
162 | headlines[1][keyword]={}
163 |
164 | bigWords={}
165 |
166 | try:
167 | get_url = endpoint+"query=title:("+keyword+")|enrichedTitle.entities.text:("+keyword+")&count=50&return=title,url"
168 | results = requests.get(url=get_url, auth=(username, password))
169 | response = results.json()
170 |
171 | for article in response['results']:
172 | headlines[1][keyword][article['title']]=article['url']
173 |
174 |
175 | except Exception as e:
176 | print e
177 |
178 | try:
179 | get_url = endpoint+"query=title:\""+keyword+"\"&aggregation=nested(enrichedTitle.entities).filter(enrichedTitle.entities.type:Person).term(enrichedTitle.entities.text,count:100)&count=0"
180 | results = requests.get(url=get_url, auth=(username, password))
181 | response=results.json()
182 |
183 | #add to bigWords
184 | wordList = []
185 | for kword in response['aggregations'][0]['aggregations'][0]['aggregations'][0]['results']:
186 | wordList.append(kword['key'])
187 | bigWords[keyword]={'wordList':wordList,'expand':1}
188 | except Exception as e:
189 | print e
190 |
191 | count=0
192 | nodes.insert(0, {'x': 300, 'y': 200, 'text': keyword, 'size': 3, 'fixed': 1, 'color': '#0066FF', 'expand': 1})
193 | for word in bigWords[keyword]['wordList']:
194 | if count > 9:
195 | break
196 | if word == keyword:
197 | continue
198 | else:
199 | nodes.append({'x': 300, 'y': 200, 'text': word, 'size': 1.5, 'color': 'white', 'expand': 0})
200 | links.append({'source':count + 1,'target':0})
201 | count+=1
202 |
203 | return render_template('cloud.html', nodes=json.dumps(nodes), links=json.dumps(links), bigWords=json.dumps(bigWords), headlines=json.dumps(headlines))
204 |
205 | port = os.getenv('VCAP_APP_PORT', '8000')
206 |
207 | if __name__ == '__main__':
208 | app.run(host='0.0.0.0', port=int(port), debug=True)
209 |
210 |
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/templates/cloud.html:
--------------------------------------------------------------------------------
1 | {% extends "layout.html" %}
2 | {% block body %}
3 |
4 |
5 |
6 |
7 |
8 |
303 |
304 | {% endblock %}
305 |
--------------------------------------------------------------------------------
/static/jquery.js:
--------------------------------------------------------------------------------
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