82 lines
3.4 KiB
Python
82 lines
3.4 KiB
Python
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# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish, dis-
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# tribute, sublicense, and/or sell copies of the Software, and to permit
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# persons to whom the Software is furnished to do so, subject to the fol-
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# lowing conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
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# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import boto
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from boto.services.service import Service
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from boto.services.message import ServiceMessage
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import os
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import mimetypes
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class SonOfMMM(Service):
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def __init__(self, config_file=None):
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super(SonOfMMM, self).__init__(config_file)
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self.log_file = '%s.log' % self.instance_id
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self.log_path = os.path.join(self.working_dir, self.log_file)
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boto.set_file_logger(self.name, self.log_path)
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if self.sd.has_option('ffmpeg_args'):
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self.command = '/usr/local/bin/ffmpeg ' + self.sd.get('ffmpeg_args')
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else:
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self.command = '/usr/local/bin/ffmpeg -y -i %s %s'
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self.output_mimetype = self.sd.get('output_mimetype')
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if self.sd.has_option('output_ext'):
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self.output_ext = self.sd.get('output_ext')
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else:
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self.output_ext = mimetypes.guess_extension(self.output_mimetype)
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self.output_bucket = self.sd.get_obj('output_bucket')
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self.input_bucket = self.sd.get_obj('input_bucket')
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# check to see if there are any messages queue
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# if not, create messages for all files in input_bucket
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m = self.input_queue.read(1)
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if not m:
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self.queue_files()
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def queue_files(self):
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boto.log.info('Queueing files from %s' % self.input_bucket.name)
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for key in self.input_bucket:
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boto.log.info('Queueing %s' % key.name)
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m = ServiceMessage()
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if self.output_bucket:
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d = {'OutputBucket' : self.output_bucket.name}
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else:
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d = None
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m.for_key(key, d)
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self.input_queue.write(m)
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def process_file(self, in_file_name, msg):
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base, ext = os.path.splitext(in_file_name)
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out_file_name = os.path.join(self.working_dir,
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base+self.output_ext)
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command = self.command % (in_file_name, out_file_name)
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boto.log.info('running:\n%s' % command)
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status = self.run(command)
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if status == 0:
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return [(out_file_name, self.output_mimetype)]
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else:
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return []
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def shutdown(self):
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if os.path.isfile(self.log_path):
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if self.output_bucket:
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key = self.output_bucket.new_key(self.log_file)
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key.set_contents_from_filename(self.log_path)
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super(SonOfMMM, self).shutdown()
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