macloo · April 18, 2023 15:27 · Apr 18, 2023
diff --git a/wikipedia_page_api.py b/wikipedia_page_api.py
@@ -0,0 +1,71 @@
+"""
+Flask example using Requests library syntax to build
+a Wikipedia API query - no templates, just raw HTML
+written straight into the browser.
+This code was partly written by ChatGPT.
+"""
+
+from flask import Flask, jsonify, request, redirect, url_for
+import random, requests
+
+app = Flask(__name__)
+
+# list of random topics
+mylist = ["David Bowie", "Marie Curie", "foobar", "Blade Runner", "Sherlock Holmes", "API", "Vespa", "St. Augustine, Florida", "arrabbiata"]
+
+@app.route('/', methods=['GET', 'POST'])
+def index():
+    # filling the form input and Return/Enter will submit a POST request
+    if request.method == 'POST':
+        page_title = request.form['userinput']
+        return redirect( url_for('get_main_points', page_title=page_title) )
+
+    # or a GET request writes this to the browser
+    pagename = random.choice(mylist)
+    html = "<h1>Wikipedia API calls</h1><ol>"
+    html += "<li><a href='/get_main_points/" + pagename + "'>Click to see "
+    html += pagename
+    html += " info</a><br><br></li><li><form method='POST'>"
+    html += "Or you can type any name: "
+    html += "<input type='text' id='userinput' name='userinput'></form>"
+    html += "</li></ol>"
+
+    return html
+
+@app.route('/get_main_points/<string:page_title>', methods=['GET'])
+def get_main_points(page_title):
+    # set up API request
+    endpoint = 'https://en.wikipedia.org/w/api.php'
+    params = {
+        'action': 'query',
+        'format': 'json',
+        'titles': page_title,
+        'prop': 'extracts',
+        'explaintext': True,
+        'exsectionformat': 'wiki',
+        'redirects': True,
+        'exsentences': 3  # get first 3 sentences of the page
+    }
+
+    # make API request - using Requests library
+    response = requests.get(endpoint, params=params).json()
+
+    # extract main points from API response
+    page_id = list(response['query']['pages'].keys())[0]
+    page_title = response['query']['pages'][page_id]['title']
+    page_extract = response['query']['pages'][page_id]['extract']
+
+    # return main points as JSON response
+    # return jsonify({
+    #     'page_title': page_title,
+    #     'page_extract': page_extract
+    # })
+
+    heading = '<h1>' + page_title + '</h1>'
+    text = '<p>' + page_extract + '</p>'
+    link = '<p><a href="' + url_for('index') + '">Return to index</a></p>'
+    return heading + text + link
+
+if __name__ == '__main__':
+    # app.run(debug=True)
+    app.run(host='0.0.0.0', port=4999, debug=True)