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Scrapy - Web Services
Description
A running Scrapy web crawler can be controlled via JSON-RPC. It is enabled by JSONRPC_ENABLED setting. This service provides access to the main crawler object via JSON-RPC 2.0 protocol. The endpoint for accessing the crawler object is −
http://localhost:6080/crawler
The following table contains some of the settings which show the behavior of web service −
| Sr.No | Setting & Description | Default Value |
|---|---|---|
| 1 | JSONRPC_ENABLED This refers to the boolean, which decides the web service along with its extension will be enabled or not. |
True |
| 2 | JSONRPC_LOGFILE This refers to the file used for logging HTTP requests made to the web service. If it is not set the standard Scrapy log will be used. |
None |
| 3 | JSONRPC_PORT This refers to the port range for the web service. If it is set to none, then the port will be dynamically assigned. |
[6080, 7030] |
| 4 | JSONRPC_HOST This refers to the interface the web service should listen on. |
'127.0.0.1' |