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scraper.py
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scraper.py
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import requests
import urllib.request
import time
import random
from bs4 import BeautifulSoup
import numpy as np
import pandas as pd
from urllib.request import urlopen
from googletrans import Translator
import json, re
import wikipedia
from google.colab import files
'''
** The following code was written to be run on Google Colaboratory
The original code can be found at: https://colab.research.google.com/drive/1EQsLLQgj6U7eADus8jw39x4NE2BcIjce?usp=sharing
'''
wikipedia.set_lang("en")
def translate_to_sinhala(value):
translator = Translator()
sinhala_val = translator.translate(value, src='en', dest='si')
return sinhala_val.text
def translate_to_english(value):
translator = Translator()
english_val = translator.translate(value, src='si', dest='en')
return english_val.text
def removeNumbers(value):
return re.sub(r'[0-9]+', '', value)
def removeSquareBrackets(value):
return re.sub(r'\[.*?\]', "", value)
def removeBrackets(value):
return re.sub(r"\([^()]*\)", "", value)
def removeAllBrackets(value):
return re.sub(r"\(.*\)", "", value)
url = 'https://en.wikipedia.org/wiki/List_of_Sri_Lankan_actors'
html = urlopen(url)
soup = BeautifulSoup(html, 'html.parser')
# base links
actors_links = []
# original data
names_orig, dobs_orig, summary_orig, personal_life_orig, education_orig, parents_orig, career_orig, films_orig, views_orig, genders_orig = [], [], [], [], [], [], [], [], [], []
# processed data
names, dobs, summary, personal_life, education, parents, career, films, views, genders = [], [], [], [], [], [], [], [], [], []
# Get all the links
allLinks = soup.find(id="bodyContent").find_all("a", {'href': True})
# random.shuffle(allLinks)
linkToScrape = 0
base_url = "https://en.wikipedia.org/"
count = 0
for link in allLinks:
# we are only interested in other wiki articles
if link['href'].find("/wiki/") == -1:
continue
# use this link to scrape
linkToScrape = link
request_href = requests.get(base_url + linkToScrape['href'])
actorSoup = BeautifulSoup(request_href.content, 'html.parser')
# remove unnecessary links
if actorSoup.find(id='Personal_life') == None:
continue
actors_links.append(base_url + linkToScrape['href'])
# get the name
name = actorSoup.find(id="firstHeading").text.strip()
names.append(name)
names_orig.append(name)
# get dob
dob = actorSoup.find('span', {'class': 'bday'})
if dob != None:
dob_orig = dob.text.strip()
dob = dob.text.strip()
else:
dob = '1990-09-09' # append dummy value for ES indexing
dob_orig = None
dobs.append(dob)
dobs_orig.append(dob_orig)
# get summary
summary_text = wikipedia.WikipediaPage(name).summary
summary_orig.append(summary_text)
summary.append(removeAllBrackets(summary_text))
# get personal life
personal_life_text = wikipedia.WikipediaPage(name).section('Personal life')
personal_life_orig.append(personal_life_text)
personal_life_text = removeAllBrackets(personal_life_text)
personal_life_split = personal_life_text.split('.')
personal_life.append('.'.join(personal_life_split[0:6])) # list only first 6 sentences to avoid lengthy text
# get education/parents
school = None
parent = None
school_orig = None
parent_orig = None
table = actorSoup.find('table', {'class': 'infobox biography vcard'})
if table != None:
ths = table.find_all('th')
for th in ths:
tag = th.text.strip()
if (tag == "Education"):
school_orig = th.nextSibling.text
school = removeSquareBrackets(th.nextSibling.text)
school = school.split('\n')
if '' in school: school.remove('')
school = ','.join(school)
if (tag == "Parents" or tag == "Parent(s)"):
parent_orig = th.nextSibling.text
parent = removeSquareBrackets(th.nextSibling.text)
education.append(school)
education_orig.append(school_orig)
parents.append(parent)
parents_orig.append(parent_orig)
# get career
career_text = wikipedia.WikipediaPage(name).section('Career') # wikipedia has career listed under several headings
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Acting career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Cinema career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Theatre career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Television career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Film career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Golden career')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Theater work')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Filmography')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Early days')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('as an actor')
if career_text == None or career_text == '':
career_text = wikipedia.WikipediaPage(name).section('Drama career')
career_orig.append(career_text)
if career_text != None:
career_text = removeAllBrackets(career_text)
career_split = career_text.split('.')
career_text = '.'.join(career_split[0:6])
career.append(career_text)
# get movies
filmTables = actorSoup.find_all('table', {'class': "wikitable"})
film_col = -1
actor_films = []
for filmTable in filmTables:
rows = filmTable.find_all('tr')
for idx, row in enumerate(rows):
if idx == 0: # header row
ths = row.find_all('th')
for i, th in enumerate(ths):
header = th.text.strip()
if header == 'Film' or header == 'Tele-film/Teledrama' or header == 'Teledrama': # get the header name of films
film_col = i # get the header index of films in table
continue
if film_col == -1: # break if not a films table
break
cells = row.find_all('td')
if len(cells) > 1:
film = cells[film_col].text.strip()
film = removeNumbers(film)
film = re.sub(r"[\[\]]", "", film)
film = removeBrackets(film)
actor_films.append(film)
actor_films = list(set(actor_films))
films_orig.append(','.join(actor_films))
if '' in actor_films: actor_films.remove('')
if '–' in actor_films: actor_films.remove('–')
if len(actor_films) > 10:
actor_films = actor_films[0:10]
all_films = ','.join(actor_films) # get only first 10 films
if all_films == '':
all_films = None
films.append(all_films)
# get views
info_url = 'https://en.wikipedia.org/w/index.php?title={}&action=info'.format(name)
info_request_href = requests.get(info_url)
infoSoup = BeautifulSoup(info_request_href.content, 'html.parser')
page_views = infoSoup.find('div', {'class': "mw-pvi-month"}).text.strip()
views.append(page_views)
views_orig.append(page_views)
# get gender
wiki_data_link = infoSoup.find('a', {'class': "extiw wb-entity-link external"})['href']
data_request_href = requests.get(wiki_data_link)
dataSoup = BeautifulSoup(data_request_href.content, 'html.parser')
elements = dataSoup.find_all('div', {'class': "wikibase-snakview-value wikibase-snakview-variation-valuesnak"})
gender = None
for element in elements:
strip = element.text.strip()
if strip == "male" or strip == "female":
gender = strip
genders.append(gender)
genders_orig.append(gender)
break
# create dataframe with original data
dic_orig = {"link": actors_links, "name": names_orig, "birthday": dobs_orig, "gender": genders_orig, "summary": summary_orig, "personal_info": personal_life_orig,
"parents": parents_orig, "education": education_orig, "career": career_orig, "movies": films_orig, "views": views_orig}
df_orig = pd.DataFrame(dic_orig)
df_orig.head()
# create dataframe with links
df_links = pd.DataFrame({"link": actors_links})
df_links.head()
# create processed dataframe with English data
dic = {"names_en": names, "birthday": dobs, "gender_en": genders, "summary_en": summary, "personal_info_en": personal_life,
"parents_en": parents, "education_en": education, "career_en": career, "movies_en": films, "views": views}
df_en = pd.DataFrame(dic)
df_en = df_en.replace('', None)
df_en.head()
# translate to Sinhala
translator = Translator()
df_si = df_en.copy()
df_si.drop(['birthday', 'views'], axis='columns', inplace=True) # columns that need not be translated
translations = {}
for column in df_si.columns:
# unique elements of the column
unique_elements = df_si[column].unique()
for element in unique_elements:
# add translation to the dictionary
if element != None:
translations[element] = translate_to_sinhala(element)
# modify all the terms of the data frame by using the previously created dictionary
df_si.replace(translations, inplace = True)
df_si.columns = df_si.columns.str.replace("_en", "_si")
df_si.head()
# merge and rearrange
df = pd.concat([df_en, df_si], axis=1)
df = df[["names_si", "names_en", "birthday", "gender_si", "gender_en", "summary_si",
"summary_en", "personal_info_si", "personal_info_en", "parents_si", "parents_en",
"education_si", "education_en", "career_si", "career_en", "movies_si", "movies_en", "views"]]
df.head()
# output original csv
df_orig.to_csv('actors_original.csv', index=False)
files.download('actors_original.csv')
# output links csv
df_links.to_csv('actors_links.csv', index=False)
files.download('actors_links.csv')
# output processed csv
df.to_csv('actors.csv', index=False)
files.download('actors.csv')
# create meta data
names_si = df['names_si'].tolist()
names_en = df['names_en'].tolist()
meta_data = {'actors_si': names_si, 'actors_en': names_en}
meta_data = json.dumps(meta_data)
with open('actor_meta_all.json', 'w') as f:
f.write(meta_data)
files.download('actor_meta_all.json')