Files
wallamanta/wallamanta/worker.py

162 lines
7.5 KiB
Python

import time
import requests
import logging
import helpers
import walladb
import constants
import asyncio
# Enable logging
logging.basicConfig(
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', level=logging.INFO
)
logger = logging.getLogger(__name__)
class Worker:
def is_valid_request(self, product):
is_valid = False
if walladb.get_product(product):
if not walladb.is_user_expired(product['telegram_user_id']):
if walladb.is_user_valid(product['telegram_user_id']):
if walladb.is_user_premium(product['telegram_user_id']) or \
walladb.is_user_testing(product['telegram_user_id']):
is_valid = True
return is_valid
def request(self, product_name, n_articles, latitude=constants.LATITUDE, longitude=constants.LONGITUDE, distance='0', condition='all', min_price=0, max_price=10000000, category=""):
url = (f"http://api.wallapop.com/api/v3/general/search?keywords={product_name}"
f"&order_by=newest&latitude={latitude}"
f"&longitude={longitude}"
f"&distance={distance}"
f"&min_sale_price={min_price}"
f"&max_sale_price={max_price}"
f"&filters_source=quick_filters&language=es_ES")
if condition != "all":
url = url + f"&condition={condition}" # new, as_good_as_new, good, fair, has_given_it_all
if category != "":
url = url + f"&category_ids={category}"
for step in range(15):
while True:
helpers.random_wait()
response = requests.get(url+f"&step={step+1}")
try:
if response.status_code == 200:
break
else:
logging.info(f"\'{product_name}\' -> Wallapop returned status {response.status_code}. Illegal parameters or Wallapop service is down. Retrying...")
except Exception as e:
logging.info("Exception: " + e)
time.sleep(3)
json_data = response.json()
return json_data['search_objects']
def first_run(self, product):
logging.info(f"First run for {product['product_name']} for {walladb.get_user(product['telegram_user_id'])}")
for i in range(5):
helpers.random_wait()
list = []
if not self.is_valid_request(product):
return list
articles = self.request(product['product_name'], 0, product['latitude'], product['longitude'], product['distance'], product['condition'], product['min_price'], product['max_price'], product['category'])
for article in articles:
list.insert(0, article['id'])
return list
async def work(self, product, list):
helpers.random_wait() # Random wait to make requests separated in time in order to prevent API rate limit
exec_times = []
while True:
if not self.is_valid_request(product):
logging.info(f"{product['product_name']} not valid anymore, exiting worker")
break # Exits and ends worker thread
start_time = time.time()
articles = self.request(product['product_name'], 0, product['latitude'], product['longitude'], product['distance'], product['condition'], product['min_price'], product['max_price'], product['category'])
for article in articles:
if not article['id'] in list:
logging.info(f"Found article {article['title']}")
try:
if not self.has_excluded_words(article['title'].lower(), article['description'].lower(), product['title_description_exclude']) and not self.is_title_key_word_excluded(article['title'].lower(), product['title_exclude']):
try:
await helpers.send_article(article, product)
except:
await helpers.send_article(article, product)
await asyncio.sleep(1)
#time.sleep(1) # Avoid Telegram flood restriction
list.insert(0, article['id'])
except Exception as e:
logging.info("---------- EXCEPTION -----------")
logging.info(f"{product['product_name']} worker crashed. {e}")
logging.info(f"{product['product_name']}: Trying to parse {article['id']}: {article['title']} .\n")
#time.sleep(constants.SLEEP_TIME)
await asyncio.sleep(constants.SLEEP_TIME)
exec_times.append(time.time() - start_time)
logging.info(f"\'{product['product_name']}\' for {walladb.get_user(product['telegram_user_id'])} ({product['telegram_user_id']}) node-> last: {exec_times[-1]:.2f} max: {self.get_max_time(exec_times):.2f} avg: {self.get_average_time(exec_times):.2f}")
def has_excluded_words(self, title, description, excluded_words):
if len(excluded_words) > 0:
for word in excluded_words.split(","):
logging.info("EXCLUDER: Checking '" + word + "' for title: '" + title)
if word in title or word in description:
logging.info("EXCLUDE!")
return True
return False
def is_title_key_word_excluded(self, title, excluded_words):
if len(excluded_words) > 0:
for word in excluded_words.split(","):
logging.info("Checking '" + word + "' for title: '" + title)
if word in title:
return True
return False
def get_average_time(self, exec_times):
sum = 0
for i in exec_times:
sum = sum + i
return sum / len(exec_times)
def get_max_time(self, exec_times):
largest = 0
for i in exec_times:
if i > largest:
largest = i
return largest
async def old_run(product):
worker = Worker()
list = worker.first_run(product)
while True:
try:
logging.info(f"Wallapop monitor worker started. Checking for new items containing: \'{product['product_name']}\' for {walladb.get_user(product['telegram_user_id'])} ({product['telegram_user_id']}) with given parameters periodically")
await worker.work(product, list)
break
except Exception as e:
logging.info(f"Exception: {e}")
logging.info(f"{product['product_name']} worker crashed. Restarting worker...")
await asyncio.sleep(10)
#time.sleep(10)
logging.info(f"Wallapop monitor worker stopped for: \'{product['product_name']}\'")
def run(product):
worker = Worker()
list = worker.first_run(product)
while True:
try:
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.run_until_complete(worker.work(product, list))
loop.close()
break
except Exception as e:
logging.info(f"Exception: {e}")
logging.info(f"{product['product_name']} worker crashed. Restarting worker...")
time.sleep(10)
logging.info(f"Wallapop monitor worker stopped for: \'{product['product_name']}\'")