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56 lines
1.6 KiB
ReStructuredText
56 lines
1.6 KiB
ReStructuredText
APRSD Command Plugin Development
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================================
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APRSDPluginBase
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------------------------
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Plugins are written as python objects that extend the APRSDPluginBase class.
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This is an abstract class that has several properties and a method that must be implemented
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by your subclass.
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Properties
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----------
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* name - the Command name
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* regex - The regular expression that if matched against the incoming APRS message,
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will cause your plugin to be called.
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Methods
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-------
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* command - This method is called when the regex matches the incoming message from APRS.
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If you want to send a message back to the sending, just return a string
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in your method implementation. If you get called and don't want to reply, then
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you should return a messaging.NULL_MESSAGE to signal to the plugin processor
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that you got called and processed the message correctly. Otherwise a usage
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string may get returned to the sender.
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Example Plugin
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--------------
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There is an example plugin in the aprsd source code here:
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aprsd/examples/plugins/example_plugin.py
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.. code-block:: python
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import logging
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from aprsd import plugin
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LOG = logging.getLogger("APRSD")
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class HelloPlugin(plugin.APRSDRegexCommandPluginBase):
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"""Hello World."""
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version = "1.0"
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# matches any string starting with h or H
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command_regex = "^[hH]"
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command_name = "hello"
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def process(self, packet):
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LOG.info("HelloPlugin")
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reply = "Hello '{}'".format(packet.from_call)
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return reply
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