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Crawler for cars.com

A python crawler which can crawl car information from cars.com. It supports python 3.6+. The below libraries are needed.

  • Beautiful Soup 4
  • pandas
  • numpy
  • matplotlib

Update (04-29-18)

cars.com changed the html page slightly. The previous python crawler does not work. I have fixed it.

Update (04-06-18)

Add a simple GUI using Python TKinter.

GUI

You could launch GUI with

python GUI/gui.py

Usage:

  1. Cars crawling: crawl cars of a specific model (e.g. Audi Q7) on cars.com and analyze prices.
bash crawling.sh

For example, crawl Audi Q3 within 100 miles from 53715 gives you the below information

Some Price Information (AUDI-Q3-NEW):
min price    = $ 35,950.00
mean price   = $ 41,683.36
median price = $ 41,660.00
max price    = $ 45,150.00
std price    = $ 2,025.90

  1. Multiple crawl: crawl multiple car models listed in a file on cars.com and plot price comparison
bash multiple-crawling.sh

For example, crawl Audi Q5, BMW X3 and Benz GLC gives you the below plot. Black dot denotes the mean price; red line denotes the standard deviation; Blue line shows the the maximum and minimum price. example

Also see the comparison of mid-size sedan of Japanese big three.

example

  1. Brand guess game: a command line car brand guessing game
bash brand-guess-game.sh

example

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