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reddit.py
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#############################################################################
# Author: Ahmad M. Osman #
# Date: 04/10/2018 #
# #
# Project: Heated World #
# Purpose: World News' Heat Maps. #
# #
# https://www.heated.world #
# https://github.com/Ahmad-Magdy-Osman/HeatedWorld #
# #
# Filename: reddit.py #
# File overview: Connecting to and fetching data from Reddit #
# #
#############################################################################
import logging
import csv
import time
import config
import praw
from newspaper import Article
from mordecai import Geoparser
# Reddit Client Variables
USERAGENT = ("HeatedWorld 1.0 by /u/XMasterrrr" +
"https://github.com/Ahmad-Magdy-Osman/HeatedWorld")
CLIENT_ID = config.CLIENT_ID
CLIENT_SECRET = config.CLIENT_SECRET
USERNAME = config.USERNAME
PASSWORD = config.PASSWORD
class Reddit:
def __init__(self, subreddit, time):
"""Reddit Session
Arguments:
subreddit {string} -- subreddit in string
time {string} -- either day or week
"""
logging.info("Ongoing...")
self._subreddit = subreddit
self._time = time
# Initiating client
logging.info("Logging in...")
self._reddit = praw.Reddit(client_id=CLIENT_ID, client_secret=CLIENT_SECRET,
password=PASSWORD, user_agent=USERAGENT,
username=USERNAME)
logging.info("Logged in with: /u/" + str(self._reddit.user.me()))
# Preparing CSV filename - this file is solely for debugging purposes
self._filename = self._subreddit + "_" + self._time + ".csv"
# Dictionary of headlines with their text and geographical analysis
self._submissions = {}
# Dictionary for countries along with their votes. These votes will be used to heat the world map.
self._countries = {}
# Dictionary for countries along with their headlines.
self._headlines = {}
@property
def subreddit(self):
return self._subreddit
@subreddit.setter
def subreddit(self, subreddit):
self._subreddit = subreddit
@property
def time(self):
return self._time
@time.setter
def time(self, time):
self._time = time
@property
def reddit(self):
return self._reddit
@reddit.setter
def reddit(self, reddit):
self._reddit = reddit
@property
def filename(self):
return self._filename
@filename.setter
def filename(self, filename):
self._filename = filename
@property
def submissions(self):
return self._submissions
@submissions.setter
def submissions(self, submissions):
self._submissions = submissions
@property
def countries(self):
return self._countries
@countries.setter
def countries(self, countries):
self._countries = countries
@property
def headlines(self):
return self._headlines
@headlines.setter
def headlines(self, headlines):
self._headlines = headlines
def fetch(self, queryLimit):
logging.info("Ongoing...")
for submission in self._reddit.subreddit(self._subreddit).top(self._time, limit=queryLimit):
# print(vars(submission)) # to get a list of the fields of an object
# We will be saving the following data for up to the queryLimit of the specified time of the specified subreddit, in addition to our created fields.
'''{'title': 'Shell predicted dangers of climate change in 1980s and knew fossil fuel industry was responsible: Authors of confidential documents envisage changes to sea level and weather ‘larger than any that have occurred over the past 12,000 years’.',
'score': 48748,
'permalink': '/r/worldnews/comments/8ax9bd/shell_predicted_dangers_of_climate_change_in/',
'url': 'https://www.independent.co.uk/news/business/news/shell-predicted-climate-change-fossil-fuel-industry-1980s-global-warming-oil-a8294636.html',
'domain': 'independent.co.uk',
'created': 1523296387.0,
'created_utc': 1523267587.0,
'ups': 48748,
'num_comments': 2287}'''
# Calculating submission vote score
if self._time == "week":
submission_days = (
(time.time() - (submission.created_utc - 60*61)) // (24*60*60)) + 1
# Removing duplicates between "day" and "week" headlines
if submission_days == 1:
continue
# Calculating score for each headline based on 1-(n/7).
elif submission_days > 7:
submission_days = 7
calculated_score = int(submission.score * 1/7)
elif submission_days > 1 and submission_days < 7:
calculated_score = int(
submission.score * (1 - (submission_days/7)))
else:
calculated_score = submission.score
elif self._time == "day":
submission_days = 1
calculated_score = submission.score
else:
return None
self._submissions[calculated_score] = {"calculated_score": calculated_score, "submission.score": submission.score, "submission.title": submission.title, "submission_days": submission_days, "submission.permalink": str(
"https: // www.reddit.com /" + submission.permalink).replace(" ", ""), "submission.url": submission.url.replace(" ", ""), "submission.domain": submission.domain, "submission.created_utc": submission.created_utc, "submission.num_comments": submission.num_comments}
def get_context(self):
logging.info("Ongoing...")
for value in self._submissions.values():
try:
article = Article(value["submission.url"])
article.download()
article.parse()
article.nlp()
value["article.authors"] = article.authors
value["article.text"] = article.text
geo = Geoparser()
places = geo.geoparse(article.text)
countries_in_article = set()
for country in places:
countries_in_article.add(country["country_predicted"])
for country in countries_in_article:
if not str(country) in self._countries:
self._countries[str(
country)] = value["calculated_score"]
else:
self._countries[str(
country)] += value["calculated_score"]
value["article.top_image"] = article.top_image
value["article.summary"] = article.summary
value["article.keywords"] = article.keywords
value["article.countries"] = list(countries_in_article)
except Exception as e:
logging.info("Error: " + str(e))
def country_news(self):
logging.info("Ongoing....")
for value in self._submissions.values():
try:
value_dict = {"submission.score": value["submission.score"], "submission.title": value["submission.title"], "submission.permalink": value["submission.permalink"], "submission.url": value["submission.url"],
"submission.domain": value["submission.domain"], "submission.num_comments": value["submission.num_comments"], "article.top_image": value["article.top_image"], "article.summary": value["article.summary"]}
for country in value["article.countries"]:
if not str(country) in self._headlines:
self._headlines[str(country)] = []
self._headlines[str(country)].append(value_dict)
except:
continue
def save_csv(self):
logging.info("Ongoing...")
with open(str("data/" + self._filename), 'w') as csvfile:
try:
fieldnames = ["calculated_score", "submission.score", "submission.title", "submission_days", "submission.permalink", "submission.url", "submission.domain",
"submission.created_utc", "submission.num_comments", "article.authors", "article.text", "article.top_image", "article.summary", "article.keywords", "article.countries"]
out = csv.writer(csvfile, delimiter='\t')
out.writerow(fieldnames)
for value in self._submissions.values():
try:
out.writerow(value.values())
except:
continue
except:
pass