added webscraping_example

Webscraping Start to End/webscraping_example.py

@@ -0,0 +1,67 @@
+import requests_html
+import sqlite3
+
+url = 'https://www.cnet.com/tech/computing/{page}/'
+sess = requests_html.HTMLSession()
+
+class Article:
+
+    def __init__(self, title, url):
+        self.title = title
+        self.url = url
+        self.author = None
+        self.short_description = None
+        self.date = None
+        self.text = None
+
+    def get_full_article(self):
+        """Get the full article from the url
+        """        
+        art_sess = requests_html.HTMLSession()
+        art_res = art_sess.get(self.url)
+        try:
+            self.date = art_res.html.find('time',first=True).attrs['datetime']
+            full_text = []
+            for el in art_res.html.find('.article-main-body',first=True).find('p'):
+                full_text.append(el.text)
+            self.text = '\n'.join(full_text)
+        except KeyError as e:
+            print(f'KeyError: {e}')
+
+    def __str__(self):
+        return "{}, {}".format(self.title, self.url)
+
+# DATA SCRAPING
+articles = []
+for page in range(1,2):
+    res = sess.get(url.format(page=page))
+    html = res.html
+    for html_article in html.find('.item'):
+        title = html_article.find('h3', first=True).text
+        print('Scraping article:', title)
+        url = [el for el in list(html_article.absolute_links) if 'profiles' not in el][0]
+        article = Article(title, url)
+        article.short_description = html_article.find('p', first=True).text
+        article.author = html_article.find('span', first=True).text.replace('by ','')
+        article.get_full_article()
+        articles.append(article)
+        print('Scraped article:', article.title)
+        print('-' * 20)
+
+# DATA STORAGE
+conn = sqlite3.connect('cnet_articles.db')
+conn.execute('''CREATE TABLE IF NOT EXISTS articles ( 
+             artTitle TEXT PRIMARY KEY,
+             artUrl TEXT,
+             artAuthor TEXT,
+             artShortDesc TEXT,
+             artDate TEXT,
+             artText TEXT
+             )''')
+conn.commit()
+for article in articles:
+    conn.execute('''INSERT OR IGNORE INTO articles VALUES (?,?,?,?,?,?)''',
+                 (article.title, article.url, article.author, article.short_description, article.date, article.text))
+conn.commit()
+
+conn.execute('''SELECT * FROM articles''').fetchall()