finished datacollection

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2022-04-19 22:59:14 -07:00
parent f2cdf66de1
commit 44c86eb51a
2 changed files with 205 additions and 10 deletions

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@@ -1,34 +1,115 @@
import re
import urllib.request
from urllib.parse import urlparse
from urllib.parse import urljoin
from bs4 import BeautifulSoup
from nltk.tokenize import word_tokenize
from nltk.corpus import stopwords
from nltk.corpus import words
import html2text
import nltk
#moved all my code to a separted py file and imported it here
from datacollection import *
# nltk.download('stopwords')
# nltk.download('words')
# there is another nltk.download() requirement but I removed it so i forgot what it was
# it'll show in the console/terminal if you run the code i believe. it appeared in mine
def scraper(url, resp):
#initialize set for unique links
#used a set for elimatining duplicates
# initialize set for unique links
# used a set for elimatining duplicates
uniques = set()
# have to add the original url to the unique set
copyoriginal = url
uniques.add(removeFragment(copyoriginal))
# initializing longest for finding the longest page
max = -9999
longest = None
# have to do this for the original url
tok = tokenize(url)
if len(tok) > max:
max = len(tok)
longest = url
# grand_dict is a dictionary that contains every word over the entire set of pages (excluding stop words)
# key: word , value: frequencies
grand_dict = dict()
tok = removeStopWords(tok)
computeFrequencies(tok, grand_dict)
# ics is a dict with subdomains
ics = dict()
links = extract_next_links(url, resp)
links_valid = list()
valid_links = open("valid_links.txt",'a')
invalid_links = open("invalid_links.txt",'a')
for link in links:
if is_valid(link):
links_valid.append(link)
valid_links.write(link + "\n")
#turn into a urlparse object
#removed fragment in order to have "unique" links
remove_frag = urlparse(url)
remove_frag = remove_frag._replace(fragment = '')
uniques.add(remove_frag)
# Answering q1 for report
uniques.add(removeFragment(link))
# Answering q2
tempTok = tokenize(link)
if len(tempTok) > max:
max = len(tempTok)
longest = link
# Answering q3
tempTok = removeStopWords(tempTok)
computeFrequencies(tempTok, grand_dict)
# Answering q4
fragless = removeFragment(link)
domain = findDomains(fragless.netloc)
if domain[1] == 'ics':
if domain[0] not in ics:
ics[domain[0]] = urlData(link, domain[0], domain[1])
else:
if fragless not in ics[domain[0]].getUniques():
ics[domain[0]].appendUnique(fragless)
else:
invalid_links.write("From: " + url + "\n")
invalid_links.write(link + "\n")
#creating text file that includes the number of unique links
f = open("numUniqueLinks.txt", "w")
f.write("{length}".format(length = len(uniques)))
# creating text file that includes the number of unique links
f = open("q1.txt", "w")
f.write("Number of unique pages: {length}".format(length = len(uniques)))
f.close()
# creating text file for question 2
f = open("q2.txt", "w")
f.write("Largest page url: {url} \nLength of page: {length}".format(url = longest, length = max))
f.close()
# creating text file for question 3
f = open("q3.txt", "w")
sortedGrandDict = {k: v for k, v in sorted(grand_dict.items(), key=lambda item: item[1], reverse = True)}
i = 0
for k, v in sortedGrandDict.items():
if i == 50:
break
else:
f.write(k, ':', v)
f.close()
# creating text file for question 4
sortedDictKeys = sorted(ics.keys())
f = open("q4.txt", "w")
for i in sortedDictKeys:
f.write("{url}, {num}".format(url = ics[i].getNiceLink(), num = len(ics[i].getUniques())))
f.close()
return links_valid