Fin-Fact / data_crawler.py
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from bs4 import BeautifulSoup
import pandas as pd
import requests
import json
class FactCheckerScraper:
def __init__(self):
self.authors = []
self.statements = []
self.sources = []
self.targets = []
self.href_list = []
def scrape_website(self, page_number, source):
page_num = str(page_number)
URL = 'https://www.politifact.com/factchecks/list/?category=income&page={}&source={}'.format(page_num, source)
webpage = requests.get(URL)
soup = BeautifulSoup(webpage.text, "html.parser")
statement_footer = soup.find_all('footer', attrs={'class':'m-statement__footer'})
statement_quote = soup.find_all('div', attrs={'class':'m-statement__quote'})
statement_meta = soup.find_all('div', attrs={'class':'m-statement__meta'})
target = soup.find_all('div', attrs={'class':'m-statement__meter'})
for i in statement_footer:
link1 = i.text.strip()
name_and_date = link1.split()
first_name = name_and_date[1]
last_name = name_and_date[2]
full_name = first_name+' '+last_name
self.authors.append(full_name)
for i in statement_quote:
link2 = i.find_all('a')
self.statements.append(link2[0].text.strip())
for i in statement_meta:
link3 = i.find_all('a')
source_text = link3[0].text.strip()
self.sources.append(source_text)
for i in target:
fact = i.find('div', attrs={'class':'c-image'}).find('img').get('alt')
self.targets.append(fact)
for i in statement_quote:
href = i.find('a')['href']
href = 'https://www.politifact.com' + href
self.href_list.append(href)
def scrape_multiple_pages(self, num_pages, source):
for i in range(1, num_pages):
self.scrape_website(i, source)
def create_dataframe(self):
data = pd.DataFrame(columns=['author', 'statement', 'links', 'source', 'date', 'target'])
data['author'] = self.authors
data['statement'] = self.statements
data['links'] = self.href_list
data['source'] = self.sources
data['target'] = self.targets
return data
def save_to_json(self, filename):
data_json = {
"url": self.href_list,
"label": self.targets
}
with open(filename, "w") as outfile:
json.dump(data_json, outfile)
if __name__ == "__main__":
scraper = FactCheckerScraper()
scraper.scrape_multiple_pages(70, source='covid')
data = scraper.create_dataframe()
scraper.save_to_json("./income.json")