44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
import logging
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from .rule import EventRule
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from platypush.config import Config
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from platypush.message import Message
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from platypush.message.request import Request
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class EventProcessor(object):
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""" Event processor class. Checks an event against the configured
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rules and executes any matching event hooks """
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def __init__(self, hooks=Config.get_event_hooks(), **kwargs):
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"""
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Params:
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hooks -- List of event hooks (default: any entry in the config
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named as event.hook.<hook_name> """
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self.hooks = {}
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for (name, hook) in hooks.items():
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self.hooks[name] = {
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'if': EventRule.build(hook['if'] if 'if' in hook else {}),
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'then': hook['then'],
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}
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def process_event(self, event):
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""" Processes an event and runs any matched hooks """
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matching_hooks = { name: hook['then'] for (name, hook) in self.hooks.items()
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if event.matches_rule(hook['if']) }
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for (name, hook) in matching_hooks.items():
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logging.info('Running command {} triggered by matching event'
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.format(name))
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# TODO Extend the request with the parameters coming from the event.
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# A hook should support a syntax like "playlist_id: $EVENT[playlist_id]"
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request = Request.build(hook)
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request.execute()
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# vim:sw=4:ts=4:et:
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