Merge pull request avinashkranjan#555 from Jade9ja/added-flipkart-price-alert

add-flipkart-price-alert-with-changes

Author: avinashkranjan

Flipkart-price-alert/README.md

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+# Flipkart Price Alert
+Checks for the price of a desired product periodically.
+If the price drops below the desired amount, notifies the user via email.
+## Setup Instructions
+Type the following to install requirements: (make sure you have python installed)
+`pip install -r requirements.txt`
+This script requires access to mail credentials inorder to work, follow the steps below to generate the credentials for a limited scope.
+## Optional: How to get alternate login credentials:
+1) To get app passwords, go to myaccount.google.com/security 
+2) Make sure you save 2-step verification turned on.
+3) Choose app passwords (under signing into google)
+4) Then under app choose mail and under platform, choose the device from which you are logged in from.
+
+![](https://devanswers.co/wp-content/uploads/2017/02/my-google-app-passwords.png)
+
+## Usage
+1) Run the track.py script. `python track.py`
+2) Hope the price drops :).
+
+## Author
+[Ea](github.com/jade9ja)

Flipkart-price-alert/requirements.txt

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+beautifulsoup4
+requests
+smtplib

Flipkart-price-alert/track.py

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+import requests
+from bs4 import BeautifulSoup as bs
+import smtplib
+import time
+headers = {'User-Agent': 'Mozilla/5.0 Chrome/86.0.4240.75'}
+
+def sendMail(title):
+    '''Send Email'''
+    server = smtplib.SMTP('smtp.gmail.com', 587)
+    server.ehlo()
+    server.starttls()
+    server.ehlo()
+    server.login(MY_EMAIL, MY_APP_PASSWORD)
+    subject = 'Change in price detected for ' + title
+    print(subject)
+    body = 'Click the link to go to the product page \n' + PRODUCT_URL
+    msg = f"Subject: {subject}\n\n{body}"
+    print(msg)
+    server.sendmail(MY_EMAIL, RECEIVER_EMAIL, msg)
+    print('Email Sent')
+    server.quit()
+
+
+def priceCheck():
+    '''Price checking function'''
+    page = requests.get(PRODUCT_URL, headers=headers)
+    soup = bs(page.content, 'html.parser')
+    # title from 'B_NuCI' class
+    title = soup.find("span", {"class": "B_NuCI"}).get_text()[0:8] + '..'
+    print(title)
+    # price from '_30jeq3 _16Jk6d' class,
+    raw_price = soup.find("div", {"class": "_30jeq3 _16Jk6d"})
+    # removing unnecessary characters from the price.
+    price = float(raw_price.get_text()[1:].replace(',', ''))
+    print(price)
+    print(THRESHHOLD)
+    # If the price falls below threshold, send an email
+    if(price < THRESHHOLD):
+        sendMail(title)
+        
+        
+        
+PRODUCT_URL = input('Enter the product url:')
+THRESHHOLD = float(input('Enter the desired price:'))
+MY_EMAIL = input('Enter the email address that will be used to send alerts:')
+MY_APP_PASSWORD = input('Enter password:')
+RECEIVER_EMAIL = input('Enter the receiver email:')
+CHECK_AGAIN = int(input('Enter the time between checks in minutes:'))
+
+if (PRODUCT_URL == '' or MY_APP_PASSWORD == '' or MY_EMAIL == '' or RECEIVER_EMAIL == ''):
+    print('VALUES MISSING! TRY AGAIN')
+    exit()
+while(True):
+    priceCheck()
+    time.sleep(CHECK_AGAIN*60)