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stonks_bot.py
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stonks_bot.py
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import os
import re
from collections import Counter
from datetime import datetime, timedelta
import pandas as pd
import praw
import yaml
from praw.models import MoreComments
from tqdm import tqdm
from constants import BLACKLIST_WORDS
class StonksBot:
"""Scrape tickers from subreddits
:param subreddit: names of subreddits to scraper
:param number_of_posts: maximum number of posts per subreddit
:param number_of_days: number of days to look back
Usage:
from stonks_bot import StonksBot
sb = StonksBot(number_of_posts=10)
sb.find_tickers_on_reddit()
"""
def __init__(
self,
subreddit=["wallstreetbets", "wallstreetbetsnew"],
number_of_posts: int = 2000,
number_of_days: int = 1,
) -> None:
self.subreddits = subreddit if isinstance(subreddit, list) else [subreddit]
self.number_of_posts = number_of_posts
self.number_of_days = number_of_days
# init Reddit account
self._init_reddit_account()
# load tickers
self._load_tickers()
def _init_reddit_account(self) -> None:
"""Signing in to Reddit"""
# init variables
REDDIT_CLIENT_ID = False
REDDIT_CLIENT_SECRET = False
REDDIT_REDIRECT_URL = False
REDDIT_USER_AGENT = False
# either load from OS vars
if "REDDIT_CLIENT_ID" in os.environ.keys():
REDDIT_CLIENT_ID = os.environ["REDDIT_CLIENT_ID"]
REDDIT_CLIENT_SECRET = os.environ["REDDIT_CLIENT_SECRET"]
REDDIT_REDIRECT_URL = os.environ["REDDIT_REDIRECT_URL"]
REDDIT_USER_AGENT = os.environ["REDDIT_USER_AGENT"]
# or from YAML
else:
with open("creds.yaml") as f:
creds = yaml.load(f, Loader=yaml.FullLoader)
REDDIT_CLIENT_ID = creds["REDDIT_CLIENT_ID"]
REDDIT_CLIENT_SECRET = creds["REDDIT_CLIENT_SECRET"]
REDDIT_REDIRECT_URL = creds["REDDIT_REDIRECT_URL"]
REDDIT_USER_AGENT = creds["REDDIT_USER_AGENT"]
assert (
REDDIT_CLIENT_ID
), "Credentials not found. Go to https://praw.readthedocs.io/en/latest/getting_started/authentication.html and get your credentials. Either place them in a `creds.yaml`-file or in environment variables. In either case use the following keys: REDDIT_CLIENT_ID, 0REDDIT_CLIENT_SECRET, REDDIT_REDIRECT_URL, REDDIT_USER_AGENT"
# sign in
self.reddit = praw.Reddit(
client_id=REDDIT_CLIENT_ID,
client_secret=REDDIT_CLIENT_SECRET,
redirect_uri=REDDIT_REDIRECT_URL,
user_agent=REDDIT_USER_AGENT,
)
self.reddit.read_only = True
def _load_tickers(self) -> None:
"""Load ticker information
Downloaded from https://github.com/shilewenuw/get_all_tickers/tree/master/get_all_tickers
"""
with open("data/tickers.txt", "r") as f:
tickers = f.readlines()
with open("data/EU_tickers.txt", "r") as f:
tickers += f.readlines()
tickers = [str(t).replace("\n", "").strip() for t in tickers]
tickers = [t for t in tickers if len(t) > 1]
self.RE_TICKERS = re.compile(r"\b(" + "|".join(tickers) + r")\b")
def find_tickers(self, text: str) -> list:
"""find all tickers in a text"""
return [
ticker
for ticker in self.RE_TICKERS.findall(text)
if ticker not in BLACKLIST_WORDS
]
def find_tickers_in_post(self, post) -> list:
"""Find al tickers in a title and comments
:param post: A Reddit Post
"""
found_tickers = []
# skip if already seen
if post.clicked:
return []
# check whether post is not too old
ts_post = datetime.fromtimestamp(post.created_utc)
ts_range = datetime.now() - timedelta(days=self.number_of_days)
if ts_post < ts_range:
return []
# check title
found_tickers += self.find_tickers(post.title)
for comment in post.comments:
if isinstance(comment, MoreComments):
continue
# check tickers
found_tickers += self.find_tickers(comment.body)
# comment has replies
replies = comment.replies
for reply in replies:
if isinstance(reply, MoreComments):
continue
# check tickers in reply
found_tickers += self.find_tickers(reply.body)
return found_tickers
def find_tickers_in_subreddit(self, subreddit: str) -> list:
"""Loop through posts of a subreddit
:param subreddit: name of the subreddit
"""
print(f"\nReading {subreddit}")
sub = self.reddit.subreddit(subreddit)
posts = sub.new(limit=self.number_of_posts)
found_tickers = []
for _, post in tqdm(enumerate(posts)):
found_tickers += self.find_tickers_in_post(post)
return found_tickers
def find_tickers_on_reddit(self):
"""loop through all subreddits"""
found_tickers = []
for _, subreddit in enumerate(self.subreddits):
found_tickers += self.find_tickers_in_subreddit(subreddit)
# count and to df
count = Counter(found_tickers)
df = (
pd.Series(count)
.to_frame("mentions")
.reset_index()
.rename(columns={"index": "ticker"})
)
print("\n\n Found the following tickers:")
print(df.sort_values(by="mentions", ascending=False).head(10))
# add timestamp
df["ts"] = datetime.now()
# output
if not os.path.exists("output"):
os.mkdir("output")
df[["ts", "ticker", "mentions"]].to_csv(
"output/mentions.csv", index=False, mode="a", header=False
)
if __name__ == "__main__":
# init Stonks Bot
sb = StonksBot(number_of_posts=2000)
# Run ano to the moon!
sb.find_tickers_on_reddit()