Amazon-Price-Alert

This script will send you an email when the price for specific items you followed on Amazon drops beneath a certain price you set.

You can parse the price without Amazon API !

Installation

pip install -r requirements.txt

Then you need to edit the config.json first,

1. email → sender, sender-password, receivers
2. amazon-base_url (change to amazon store where your target item is)
3. item-to-parse (add item id which you want to track)

After installed required package and finished config.json, you can use it by python crawler.py

Required Accounts

1. Google Mail

Config file

Put config.json in same folder as code, or you can configure the path by '-c' argument

default-internal-time

Sleep time between each check (seconds)

email

• sender : sender Google mail account
• sender-password : sender Google mail account password
• receivers : receivers' mail, you can add as much as you want

Remember to close the setting of Less Secure Apps

amazon-base url

Get url from your amazon of you location. For example : URL of Amazon JP is https://www.amazon.co.jp/dp/

item-to-parse

You need to put item ID and expected price here.

how can I get item ID from Amazon?

Step 1.

Search your item and go into the item page.

Example item: Nintendo Switch

Step 2.

You can find the item id in the url

Why my script can't get price from Amazon?

There may be two problem of it.

1.Your ip was banned by Amazon

Change your IP or wait for unban.

2.The item selector changed

How to change selector?

Step 1.

Search your item and go into the item page.

Example item: Nintendo Switch

Step 2.

Use your mouse and right click on the price text and choose inpector

Step 3.

You will see the selector id of price text in the inspector window

Email Layout

Server will send 3 kinds of mails to receiver

1. Server working notification mail

   Send every day for reminding you server still working

2. Server shutdown notification mail

   Server shutdown mail for reminding you to restart. Most reason of the problem is the server banned by Amazon. You can restart it after 30 minutes.

3. Price dropped mail You will received price alert mail while your target item below the price you set.

Limitation

Checking interval time limitation

This code use some skill preventing banned by Amazon. However, the best interval time between each time of price checking is around 15 minutes.

Google mail account security

Less Secure Apps

Using Google smtp server to send mail, you need to enable less secure apps in your account for using it.

Dependencies

Python 2
lxml
json
requests
smtplib
MIMEText
ConfigParser, argparse, urlparse

Future feature

1. Direct message notification via Twitter