Fetch all the reviews on the GooglePlay App stores based on Scrapy

• Requires the python tool scrapy to be installed first.

• You should first fill in the blanks in settings.py about the information of the database

Then jump to the project file and run the command

scrapy crawl google

The result contains the following columns:

app_name, app_category, developer, reviewer_name, reviewer_link, title, date, content, rank

• API may be unavailable nowadays.
• The IP address may be blocked during a long time running process.
• It can take huge amount of time to finish scrapping.

• A Java version is available, which is more flexible and easy to use.
• This Java bot refers to a program on Github which I now fail to find out, therefore it's improper to post this part without explicit reference.