How to formally insert URL space (%20) using Python? [duplicate]

Question

When a mutli-word search term is entered in ebay, the resultant URL looks something like (for example "demarini cf5 cf12"):

http://www.ebay.com/sch/i.html?_from=R40&amp;_sacat=0&amp;_nkw=demarini%20cf5%20cfc12

I wish to construct this URL in Python so it can be accessed directly. So it's case of concatenating the base URL:

http://www.ebay.com/sch/i.html?_from=R40&amp;_sacat=0&amp;_nkw=

... with the search term. Right now. I am adding the %20 for the spaces explicately thus:

baseUrl = 'http://www.ebay.com/sch/i.html?_from=R40&amp;_sacat=0&amp;_nkw='
searchTerm = 'demarini cf5 cf12'
searchTerm = ('%20').join(searchTerm.split(' '))
finalUrl = baseUrl + searchTerm

What is a more formal way of doing this in Python? I believe the name for this sort of task is URL encoding?

The proper way of encoding a space in the query string of a URL is the + sign. See Wikipedia and the HTML specification. As such urllib.quote_plus() should be used instead when encoding just one key or value, or use urllib.urlencode() when you have a dictionary or sequence of key-value pairs. — Martijn Pieters
– Martijn Pieters, Commented Sep 24, 2015 at 13:14
@MartijnPieters Thanks for the comprehensive answer as always, Martijn. — Pyderman
– Pyderman, Commented Sep 24, 2015 at 13:26

Dima Lituiev · Accepted Answer · 2021-02-24 22:32:42Z

17

Use urllib library

import urllib
finalurl = baseUrl + urllib.parse.quote(searchterm)

you can use quote_plus() to add + insted of %20 to undo this use

urllib.parse.unquote(str)

In Python 2, use urllib.quote() and urllib.unquote() respectively

edited Feb 24, 2021 at 22:32

Dima Lituiev

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answered Sep 24, 2015 at 13:11

Jaysheel Utekar

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