IsCacheable

iscacheable is simple tool to determine if a URL is cacheable or not. It both prints whether the URL is cacheable to stdout and exits with 0 if the URL is cacheable or 1 if it's not cacheable.

Once installed, iscacheable is available as a command.

Usage

To use, provide iscacheable the URL to test and let it go to work. iscacheable will then:

1. Send an HTTP HEAD request to the URL.
2. Fetch the response headers.
3. Determine if the response headers are cacheable.
4. Print Cacheable. if the URL is cacheable, Not cacheable. otherwise.
5. Exit with exit code 0 if URL is cacheable, 1 otherwise.

Example:

$ iscacheable https://www.google.com
Not cacheable.
$ echo $?
1

$ iscacheable https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png
Cacheable.
$ echo $?
0

Of course iscacheable can also be used programmatically, too.

>>> from iscacheable import determineCacheability
>>>
>>> determineCacheability('https://www.google.com')
False
>>> determineCacheability('https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png')
True

That's it. Simple.

Installation

Installing iscacheable with pip is easy.

$ pip install iscacheable