Simplifying URL Responses with urllib's parse_http_list

Feb 8, 2024 ยท 1 min read

The urllib library in Python provides useful tools for working with URLs and HTTP responses. One handy function is urllib.parse.parse_http_list(), which can simplify parsing URL query parameters and response headers.

Here's a quick overview of what parse_http_list() does:

from urllib.parse import parse_http_list

data = "item1, item2, item3"

result = parse_http_list(data) 
# Returns ['item1', 'item2', 'item3']

It takes a string like "item1, item2, item3" and converts it to a Python list like ['item1', 'item2', 'item3'].

This is useful for:

  • Query parameters - The query string in a URL often contains multiple key/value pairs separated by commas. parse_http_list() converts them into a dictionary.
  • Response headers - Headers like Content-Type sometimes contain comma-separated values that are easier to handle as a list.
  • So when parsing URLs or headers, parse_http_list() can simplify working with comma-separated values. Give it a try next time you need to parse multiple values in an HTTP response!

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