scrapy-scylla-proxies 0.4.0.0

scrapy-scylla-proxies: Random proxy middleware for Scrapy that fetches valid proxies from Scylla.

Random proxy middleware for Scrapy

Using Scylla to fetch valid proxies.

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NOTE: I am not a real programmer, help always appreciated! But it works! ... for now.

Processes Scrapy requests using a random proxy from list to avoid IP ban and improve crawling speed, this plugs in to the Scylla project which provides a local database of proxies.

Install Scylla

The Scylla project will need to be set-up separately!! The quickest way to do this is to use the docker container. The following command will download and run Scylla (provided you have docker installed of course)

docker run -d -p 8899:8899 -p 8081:8081 --name scylla wildcat/scylla:latest

Install scrapy-scylla-proxies

The quick way:

pip install scrapy-scylla-proxies

Or checkout the source and run

python setup.py install

What to put in Scrapy's 'settings.py'

This is stuff you are going to need to integrate this middleware with scrapy.

SSP_SCYLLA_URI - The location of the Scylla API (Default: 'http://localhost:8899')

SSP_PROXY_TIMEOUT - How often the proxy list is refreshed (Default: 60s)

SSP_HTTPS - Whether to only use HTTPS proxies, You will need this set to True if you are scraping an HTTPS site (Default: True)

Example

# Retry many times since proxies often fail
RETRY_TIMES = 10
# Retry on most error codes since proxies fail for different reasons
RETRY_HTTP_CODES = [500, 503, 504, 400, 403, 404, 408]

DOWNLOADER_MIDDLEWARES = {
    # For retries
    'scrapy.downloadermiddlewares.retry.RetryMiddleware': 290,
    # For random scylla proxies
    'scrapy_scylla_proxies.RandomProxy': 300,
    # For http proxy ip rotation
    'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware': 310,
}

# Location of the scylla server
SSP_SCYLLA_URI = 'http://localhost:8899'
# Proxy timeout in seconds
SSP_PROXY_TIMEOUT = 90
# Get only https proxies
SSP_HTTPS = True