mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-11 21:53:37 +00:00
161 lines
6.5 KiB
Python
161 lines
6.5 KiB
Python
# Copyright (c) 2006,2007 Mitch Garnaat http://garnaat.org/
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a
|
|
# copy of this software and associated documentation files (the
|
|
# "Software"), to deal in the Software without restriction, including
|
|
# without limitation the rights to use, copy, modify, merge, publish, dis-
|
|
# tribute, sublicense, and/or sell copies of the Software, and to permit
|
|
# persons to whom the Software is furnished to do so, subject to the fol-
|
|
# lowing conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included
|
|
# in all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
|
|
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
|
|
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
# IN THE SOFTWARE.
|
|
|
|
import boto
|
|
from boto.services.message import ServiceMessage
|
|
from boto.services.servicedef import ServiceDef
|
|
from boto.pyami.scriptbase import ScriptBase
|
|
from boto.utils import get_ts
|
|
import time
|
|
import os
|
|
import mimetypes
|
|
|
|
|
|
class Service(ScriptBase):
|
|
|
|
# Time required to process a transaction
|
|
ProcessingTime = 60
|
|
|
|
def __init__(self, config_file=None, mimetype_files=None):
|
|
super(Service, self).__init__(config_file)
|
|
self.name = self.__class__.__name__
|
|
self.working_dir = boto.config.get('Pyami', 'working_dir')
|
|
self.sd = ServiceDef(config_file)
|
|
self.retry_count = self.sd.getint('retry_count', 5)
|
|
self.loop_delay = self.sd.getint('loop_delay', 30)
|
|
self.processing_time = self.sd.getint('processing_time', 60)
|
|
self.input_queue = self.sd.get_obj('input_queue')
|
|
self.output_queue = self.sd.get_obj('output_queue')
|
|
self.output_domain = self.sd.get_obj('output_domain')
|
|
if mimetype_files:
|
|
mimetypes.init(mimetype_files)
|
|
|
|
def split_key(key):
|
|
if key.find(';') < 0:
|
|
t = (key, '')
|
|
else:
|
|
key, type = key.split(';')
|
|
label, mtype = type.split('=')
|
|
t = (key, mtype)
|
|
return t
|
|
|
|
def read_message(self):
|
|
boto.log.info('read_message')
|
|
message = self.input_queue.read(self.processing_time)
|
|
if message:
|
|
boto.log.info(message.get_body())
|
|
key = 'Service-Read'
|
|
message[key] = get_ts()
|
|
return message
|
|
|
|
# retrieve the source file from S3
|
|
def get_file(self, message):
|
|
bucket_name = message['Bucket']
|
|
key_name = message['InputKey']
|
|
file_name = os.path.join(self.working_dir, message.get('OriginalFileName', 'in_file'))
|
|
boto.log.info('get_file: %s/%s to %s' % (bucket_name, key_name, file_name))
|
|
bucket = boto.lookup('s3', bucket_name)
|
|
key = bucket.new_key(key_name)
|
|
key.get_contents_to_filename(os.path.join(self.working_dir, file_name))
|
|
return file_name
|
|
|
|
# process source file, return list of output files
|
|
def process_file(self, in_file_name, msg):
|
|
return []
|
|
|
|
# store result file in S3
|
|
def put_file(self, bucket_name, file_path, key_name=None):
|
|
boto.log.info('putting file %s as %s.%s' % (file_path, bucket_name, key_name))
|
|
bucket = boto.lookup('s3', bucket_name)
|
|
key = bucket.new_key(key_name)
|
|
key.set_contents_from_filename(file_path)
|
|
return key
|
|
|
|
def save_results(self, results, input_message, output_message):
|
|
output_keys = []
|
|
for file, type in results:
|
|
if 'OutputBucket' in input_message:
|
|
output_bucket = input_message['OutputBucket']
|
|
else:
|
|
output_bucket = input_message['Bucket']
|
|
key_name = os.path.split(file)[1]
|
|
key = self.put_file(output_bucket, file, key_name)
|
|
output_keys.append('%s;type=%s' % (key.name, type))
|
|
output_message['OutputKey'] = ','.join(output_keys)
|
|
|
|
# write message to each output queue
|
|
def write_message(self, message):
|
|
message['Service-Write'] = get_ts()
|
|
message['Server'] = self.name
|
|
if 'HOSTNAME' in os.environ:
|
|
message['Host'] = os.environ['HOSTNAME']
|
|
else:
|
|
message['Host'] = 'unknown'
|
|
message['Instance-ID'] = self.instance_id
|
|
if self.output_queue:
|
|
boto.log.info('Writing message to SQS queue: %s' % self.output_queue.id)
|
|
self.output_queue.write(message)
|
|
if self.output_domain:
|
|
boto.log.info('Writing message to SDB domain: %s' % self.output_domain.name)
|
|
item_name = '/'.join([message['Service-Write'], message['Bucket'], message['InputKey']])
|
|
self.output_domain.put_attributes(item_name, message)
|
|
|
|
# delete message from input queue
|
|
def delete_message(self, message):
|
|
boto.log.info('deleting message from %s' % self.input_queue.id)
|
|
self.input_queue.delete_message(message)
|
|
|
|
# to clean up any files, etc. after each iteration
|
|
def cleanup(self):
|
|
pass
|
|
|
|
def shutdown(self):
|
|
on_completion = self.sd.get('on_completion', 'shutdown')
|
|
if on_completion == 'shutdown':
|
|
if self.instance_id:
|
|
time.sleep(60)
|
|
c = boto.connect_ec2()
|
|
c.terminate_instances([self.instance_id])
|
|
|
|
def main(self, notify=False):
|
|
self.notify('Service: %s Starting' % self.name)
|
|
empty_reads = 0
|
|
while self.retry_count < 0 or empty_reads < self.retry_count:
|
|
try:
|
|
input_message = self.read_message()
|
|
if input_message:
|
|
empty_reads = 0
|
|
output_message = ServiceMessage(None, input_message.get_body())
|
|
input_file = self.get_file(input_message)
|
|
results = self.process_file(input_file, output_message)
|
|
self.save_results(results, input_message, output_message)
|
|
self.write_message(output_message)
|
|
self.delete_message(input_message)
|
|
self.cleanup()
|
|
else:
|
|
empty_reads += 1
|
|
time.sleep(self.loop_delay)
|
|
except Exception:
|
|
boto.log.exception('Service Failed')
|
|
empty_reads += 1
|
|
self.notify('Service: %s Shutting Down' % self.name)
|
|
self.shutdown()
|
|
|