95 lines
3.5 KiB
Python
95 lines
3.5 KiB
Python
from threading import Thread
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import traceback
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import time
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import subprocess
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import json
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class SilanAnalyzer(Thread):
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"""
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The purpose of the class is to query the server for a list of files which
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do not have a Silan value calculated. This class will iterate over the
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list calculate the values, update the server and repeat the process until
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the server reports there are no files left.
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"""
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@staticmethod
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def start_silan(apc, logger):
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me = SilanAnalyzer(apc, logger)
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me.start()
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def __init__(self, apc, logger):
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Thread.__init__(self)
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self.api_client = apc
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self.logger = logger
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def main(self):
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while True:
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# keep getting few rows at a time for current music_dir (stor
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# or watched folder).
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total = 0
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# return a list of pairs where the first value is the
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# file's database row id and the second value is the
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# filepath
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files = self.api_client.get_files_without_silan_value()
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total_files = len(files)
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if total_files == 0: return
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processed_data = []
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for f in files:
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full_path = f['fp']
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# silence detect(set default queue in and out)
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try:
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data = {}
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command = ['nice', '-n', '19', 'silan', '-b', '-f', 'JSON', full_path]
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try:
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proc = subprocess.Popen(command, stdout=subprocess.PIPE)
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comm = proc.communicate()
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if len(comm):
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out = comm[0].strip('\r\n')
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info = json.loads(out)
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try: data['length'] = str('{0:f}'.format(info['file duration']))
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except: pass
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try: data['cuein'] = str('{0:f}'.format(info['sound'][0][0]))
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except: pass
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try: data['cueout'] = str('{0:f}'.format(info['sound'][-1][1]))
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except: pass
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except Exception, e:
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self.logger.warn(str(command))
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self.logger.warn(e)
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processed_data.append((f['id'], data))
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total += 1
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if total % 5 == 0:
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self.logger.info("Total %s / %s files has been processed.." % (total, total_files))
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except Exception, e:
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self.logger.error(e)
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self.logger.error(traceback.format_exc())
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try:
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self.api_client.update_cue_values_by_silan(processed_data)
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except Exception ,e:
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self.logger.error(e)
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self.logger.error(traceback.format_exc())
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self.logger.info("Processed: %d songs" % total)
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def run(self):
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while True:
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try:
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self.logger.info("Running Silan analyzer")
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self.main()
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except Exception, e:
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self.logger.error('Silan Analyzer Exception: %s', traceback.format_exc())
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self.logger.error(e)
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self.logger.info("Sleeping for 5...")
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time.sleep(60 * 5)
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if __name__ == "__main__":
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from api_clients import api_client
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import logging
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logging.basicConfig(level=logging.DEBUG)
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api_client = api_client.AirtimeApiClient()
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SilanAnalyzer.start_silan(api_client, logging)
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