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generate_biases_csv.py
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generate_biases_csv.py
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import requests
import csv
from bs4 import BeautifulSoup
def rm_brackets(string):
new_string = ""
for sub_string in string.split("["):
if "]" in sub_string:
l = sub_string.split("]")
for s in l[1:]:
new_string += s
else:
new_string += sub_string
return new_string
def build_tables():
tables = {}
page_url = "https://en.wikipedia.org/wiki/List_of_cognitive_biases"
page_source = requests.get(page_url).text
soup = BeautifulSoup(page_source, "lxml")
for t in soup.select(".wikitable"):
heading = t.find_previous("h2").text[:-6]
# Scrape columns based on header
if heading == "Memory":
rows = []
for row in t.find_all("tr"):
parts = row.find_all("td")
if parts:
name = rm_brackets(parts[0].text)
desc = rm_brackets(parts[1].text)
category = "Uncategorized"
rows.append((name, category, desc))
tables[heading] = rows
else:
rows = []
for row in t.find_all("tr"):
parts = row.find_all("td")
if parts:
name = rm_brackets(parts[0].text)
category = rm_brackets(parts[1].text)
desc = rm_brackets(parts[2].text)
rows.append((name, category, desc))
tables[heading] = rows
return tables
def main():
csv_file = open("data/biases.csv", "w")
csv_writer = csv.writer(csv_file)
tables = build_tables()
for table in tables.keys():
for name, category, desc in tables[table]:
name.replace("\n", "")
category.replace("\n", "")
desc.replace("\n", "")
# Assigns Uncategorized if no category is present
if not category.strip():
category = "Uncategorized"
csv_writer.writerow([table, name, category, desc])
csv_file.close()
if __name__ == "__main__":
main()