========= scrapelib

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scrapelib is a library for making requests to less-than-reliable websites, it is implemented (as of 0.7) as a wrapper around requests <http://python-requests.org>_.

scrapelib originated as part of the Open States <http://openstates.org/>_ project to scrape the websites of all 50 state legislatures and as a result was therefore designed with features desirable when dealing with sites that have intermittent errors or require rate-limiting.

Advantages of using scrapelib over alternatives like httplib2 simply using requests as-is:

• All of the power of the suberb requests <http://python-requests.org>_ library.
• HTTP, HTTPS, and FTP requests via an identical API
• support for simple caching with pluggable cache backends
• request throttling
• configurable retries for non-permanent site failures

Written by James Turk [email protected], thanks to Michael Stephens for initial urllib2/httplib2 version

See https://github.com/jamesturk/scrapelib/graphs/contributors for contributors.

Requirements

• python 2.7, >=3.3
• requests >= 2.0 (earlier versions may work but aren't tested)

Example Usage

Documentation: http://scrapelib.readthedocs.org/en/latest/

::

import scrapelib s = scrapelib.Scraper(requests_per_minute=10)

Grab Google front page

s.get('http://google.com')

Will be throttled to 10 HTTP requests per minute

while True: s.get('http://example.com')