59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import abc
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from media.monitor.pure import LazyProperty
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from media.monitor.metadata import Metadata
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class PathChannel(object):
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"""a dumb struct; python has no record types"""
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def __init__(self, signal, path):
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self.signal = signal
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self.path = path
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# It would be good if we could parameterize this class by the attribute
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# that would contain the path to obtain the meta data. But it would be too much
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# work
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class HasMetaData(object):
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__metaclass__ = abc.ABCMeta
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@LazyProperty
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def metadata(self):
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return Metadata(self.path)
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class BaseEvent(object):
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__metaclass__ = abc.ABCMeta
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def __init__(self, raw_event):
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# TODO : clean up this idiotic hack
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# we should use keyword constructors instead of this behaviour checking
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# bs to initialize BaseEvent
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if hasattr(raw_event,"pathname"):
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self.__raw_event = raw_event
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self.path = os.path.normpath(raw_event.pathname)
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else: self.path = raw_event
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def exists(self): return os.path.exists(self.path)
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def __str__(self):
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return "Event. Path: %s" % self.__raw_event.pathname
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class OrganizeFile(BaseEvent, HasMetaData):
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def __init__(self, *args, **kwargs): super(OrganizeFile, self).__init__(*args, **kwargs)
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def pack(self):
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raise AttributeError("What the hell are you doing? You can't send organize events to airtime!!!")
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class NewFile(BaseEvent, HasMetaData):
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def __init__(self, *args, **kwargs): super(NewFile, self).__init__(*args, **kwargs)
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def pack(self):
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"""
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packs turns an event into a media monitor request
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"""
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req_dict = self.metadata.extract()
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req_dict['mode'] = u'create'
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req_dict['MDATA_KEY_FILEPATH'] = unicode( self.path )
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return req_dict
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class DeleteFile(BaseEvent):
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def __init__(self, *args, **kwargs): super(DeleteFile, self).__init__(*args, **kwargs)
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def pack(self):
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req_dict = {}
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req_dict['mode'] = u'delete'
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req_dict['MDATA_KEY_FILEPATH'] = unicode( self.path )
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return req_dict
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