How to change a Python 3 string into 'readable' text

I have this string in var1

var1 = '$a=1%7Cscroll%20on%20%22Page%3A%20Generator-Sets-Construction%3Fid%3Dci%26s%3DY2l8Tj00Mjk0NzQ4MDY5KzQyOTQ5NjM4OTY%3D%22%7C-%7Cscroll%7C1443616500011%7C1443616500586%7C3774$fId=16440287_806$rId=RID_-62268720$rpId=1762047089$domR=1443616443684$time=1443616500588'

How can I change the contents of the string into 'readable' text i.e. non-URL encoded.

From research, here is the code I have tried, but it still keeps the URL-encoded items e.g. %20 etc.

import html
print(html.unescape('$a=1%7Cscroll%20on%20%22Page%3A%20Generator-Sets-      Construction%3Fid%3Dci%26s%3DY2l8Tj00Mjk0NzQ4MDY5KzQyOTQ5NjM4OTY%3D%22%7C-%7Cscroll%7C1443616500011%7C1443616500586%7C3774$fId=16440287_806$rId=RID_-62268720$rpId=1762047089$domR=1443616443684$time=1443616500588'))

All help is appreciated or if there is an existing module that does this.

Solution

What you are trying to do is unquoting of parameters string and not unescaping of html. Following should work -

import urllib.parse
print(urllib.parse.unquote('$a=1%7Cscroll%20on%20%22Page%3A%20Generator-Sets-      Construction%3Fid%3Dci%26s%3DY2l8Tj00Mjk0NzQ4MDY5KzQyOTQ5NjM4OTY%3D%22%7C-%7Cscroll%7C1443616500011%7C1443616500586%7C3774$fId=16440287_806$rId=RID_-62268720$rpId=1762047089$domR=1443616443684$time=1443616500588'))