text: """
   File:  
   JetFile.py
   
   Contents and purpose:
   Auditions a jet file to simulate interactive music functions
   
   Copyright (c) 2008 Android Open Source Project
   
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at
   
        http://www.apache.org/licenses/LICENSE-2.0
   
   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
  """
  
  from __future__ import with_statement
  
  import logging
  import ConfigParser
  import struct
  import os
  import sys
  import midifile
  
  from JetUtils import *
  from JetDefs import *
  
  VERSION = '0.1'
  
  # JET file defines
  JET_HEADER_STRUCT = '<4sl'
  JET_HEADER_TAG = 'JET '
  JET_VERSION = 0x01000000
  
  # JET chunk tags
  JET_INFO_CHUNK = 'JINF'
  JET_SMF_CHUNK = 'JSMF'
  JET_DLS_CHUNK = 'JDLS'
  
  # JINF defines
  JINF_STRUCT = '<4sl4sl4sl4sl'
  JINF_JET_VERSION = 'JVER'
  JINF_NUM_SMF_CHUNKS = 'SMF#'
  JINF_NUM_DLS_CHUNKS = 'DLS#'
  
  # JCOP defines
  JCOP_STRUCT = '<4sl'
  JCOP_CHUNK = 'JCOP'
  
  # JAPP defines
  JAPP_STRUCT = '<4sl'
  JAPP_CHUNK = 'JAPP'
  
  # config file defines
  OUTPUT_SECTION = 'output'
  OUTPUT_FILENAME = 'filename'
  OUTPUT_COPYRIGHT = 'copyright'
  OUTPUT_APP_DATA = 'app_data'
  OUTPUT_CHASE_CONTROLLERS = 'chase_controllers'
  OUTPUT_OMIT_EMPTY_TRACKS = 'omit_empty_tracks'
  SEGMENT_SECTION = 'segment'
  SEGMENT_FILENAME = 'filename'
  SEGMENT_DLSFILE = 'dlsfile'
  SEGMENT_NAME = 'segname'
  SEGMENT_START = 'start'
  SEGMENT_END = 'end'
  SEGMENT_END_MARKER = 'end_marker'
  SEGMENT_QUANTIZE = 'quantize'
  SEGMENT_OUTPUT = 'output'
  SEGMENT_LENGTH = 'length'
  SEGMENT_DUMP_FILE = 'dump'
  SEGMENT_TRANSPOSE = 'transpose'
  SEGMENT_REPEAT = 'repeat'
  SEGMENT_MUTE_FLAGS = 'mute_flags'
  LIBRARY_SECTION = 'libraries'
  LIBRARY_FILENAME = 'lib'
  CLIP_PREFIX = 'clip'
  APP_PREFIX = 'app'
  
  # JET events
  JET_EVENT_MARKER = 102
  JET_MARKER_LOOP_END = 0
  JET_EVENT_TRIGGER_CLIP = 103
  
  class JetSegment (object):
      """ Class to hold segments """
      def __init__ (self, segname, filename, start=None, end=None, length=None, output=None, quantize=None, jetevents=[], dlsfile=None, dump_file=None, transpose=0, repeat=0, mute_flags=0):
          self.segname = segname
          self.filename = filename
          self.dlsfile = dlsfile
          self.start = start
          self.end = end
          self.length = length
          self.output = output
          self.quantize = quantize
          self.dump_file = dump_file
          self.jetevents = jetevents
          #API FIELDS FOR UI
          self.transpose = transpose
          self.repeat = repeat
          self.mute_flags = mute_flags        
  
  class JetEvent (object):
      """ Class to hold events """
      def __init__(self, event_name, event_type, event_id, track_num, channel_num, event_start, event_end):
          self.event_name = event_name
          self.event_type = event_type
          self.event_id = event_id
          self.track_num = track_num
          self.channel_num = channel_num
          self.event_start = event_start
          self.event_end = event_end
    
  class JetFileException (Exception):
      """ Exceptions class """
      def __init__ (self, msg):
          self.msg = msg
      def __str__ (self):
          return self.msg
  
  class JetSegmentFile (midifile.MIDIFile):
      def ConvertMusicTimeToTicks (self, s):
          measures, beats, ticks = s.split(':',3)
          return self.ConvertToTicks(int(measures), int(beats), int(ticks))
  
      def ExtractEvents (self, start, end, length, quantize, chase_controllers):
          if (start is None) and (end is None) and (length is None):
              logging.debug('ExtractEvents: No change')
              return
  
          if start is not None:
              start = self.ConvertMusicTimeToTicks(start)
          else:
              start = 0
          if end is not None:
              end = self.ConvertMusicTimeToTicks(end)
          elif length is not None:
              length = self.ConvertMusicTimeToTicks(length)
              end = start + length
  
          if quantize is not None:
              quantize = int(quantize)
          else:
              quantize = 0
  
          self.Trim(start, end, quantize, chase_controllers=chase_controllers)
          #self.DumpTracks()
  
      def SyncClips (self):
          """Add controller events to the start of a clip to keep it synced."""
          values = None
          last_seq = 0
          for track in self.tracks:
              for event in track.events:
  
                  # find start of clip and chase events from last save point
                  if (event.msg_type == midifile.CONTROL_CHANGE) and \
                          (event.controller == JET_EVENT_TRIGGER_CLIP) and \
                          ((event.value & 0x40) == 0x40):
                      logging.debug('Syncing clip at %d ticks' % event.ticks)
                      values = track.events.ChaseControllers(event.seq, last_seq, values)
                      
                      #BTH; Seems to fix chase controller bug when multiple clips within segment
                      #last_seq = event.seq
  
                      # generate event list from default values
                      clip_events = values.GenerateEventList(event.ticks)
                      
                      #for evt in clip_events:
                      #    logging.info(evt)
                          
                      track.events.InsertEvents(clip_events, event.seq + 1)
  
      def AddJetEvents (self, jetevents):
          for jet_event in jetevents:
              if jet_event.event_type == JetDefs.E_CLIP:
                  #DumpEvent(jet_event)
                  
                  # sanity check
                  if jet_event.track_num >= len(self.tracks):
                      raise JetFileException('Track number %d of out of range for clip' % jet_event.track_num)
                  if jet_event.channel_num > 15:
                      raise JetFileException('Channel number %d of out of range for clip' % jet_event.channel_num)
                  if jet_event.event_id > 63:
                      raise JetFileException('event_id %d of out of range for clip' % jet_event.event_id)
      
                  logging.debug('Adding trigger event for clip %d @ %s and %s' % (jet_event.event_id, jet_event.event_start, jet_event.event_end))
      
                  events = midifile.EventList()
                  events.append(midifile.ControlChangeEvent(
                      self.ConvertMusicTimeToTicks(jet_event.event_start),
                      0,
                      jet_event.channel_num,
                      JET_EVENT_TRIGGER_CLIP,
                      jet_event.event_id | 0x40))
      
                  events.append(midifile.ControlChangeEvent(
                      self.ConvertMusicTimeToTicks(jet_event.event_end),
                      sys.maxint,
                      jet_event.channel_num,
                      JET_EVENT_TRIGGER_CLIP,
                      jet_event.event_id))
      
                  # merge trigger events
                  self.tracks[jet_event.track_num].events.MergeEvents(events)
                  
              elif jet_event.event_type == JetDefs.E_EOS:
                  if jet_event.track_num >= len(self.tracks):
                      raise JetFileException('Track number %d of out of range for end marker' % jet_event.track_num)
                  if jet_event.channel_num > 15:
                      raise JetFileException('Channel number %d of out of range for end marker' % jet_event.channel_num)
      
                  events = midifile.EventList()
                  logging.debug('Adding end marker at %s' % jet_event.event_start)
                  events.append(midifile.ControlChangeEvent(
                      self.ConvertMusicTimeToTicks(jet_event.event_start),
                      0,
                      jet_event.channel_num,
                      JET_EVENT_MARKER,
                      JET_MARKER_LOOP_END))
                  self.tracks[jet_event.track_num].events.MergeEvents(events)
  
              elif jet_event.event_type == JetDefs.E_APP:
                  if jet_event.track_num >= len(self.tracks):
                      raise JetFileException('Track number %d of out of range for app marker' % jet_event.track_num)
                  if jet_event.channel_num > 15:
                      raise JetFileException('Channel number %d of out of range for app marker' % jet_event.channel_num)
                  if jet_event.event_id > 83 or jet_event.event_id < 80:
                      raise JetFileException('EventID %d out of range for application controller' % jet_event.event_id)
      
                  events = midifile.EventList()
                  logging.debug('Adding application controller at %s' % jet_event.event_start)
                  events.append(midifile.ControlChangeEvent(
                      self.ConvertMusicTimeToTicks(jet_event.event_start),
                      0,
                      jet_event.channel_num,
                      jet_event.event_id,
                      jet_event.event_id))
                  self.tracks[jet_event.track_num].events.MergeEvents(events)
  
  class JetFile (object):
      """Write a JET file based on a configuration file."""
      def __init__ (self, config_file, options):
          self.config_file = config_file
          self.config = config = ConfigParser.ConfigParser()
          if self.config_file == "":
              self.InitializeConfig(JetDefs.UNTITLED_FILE)
          if not FileExists(self.config_file):
              self.InitializeConfig(self.config_file)
          
          config.read(self.config_file)
          self.ParseConfig(options)
  
      def DumpConfig (self):
          """Drump configuration to log file."""
          # dump configuration
          config = self.config
          for section in config.sections():
              logging.debug('[%s]' % section)
              for option, value in config.items(section):
                  logging.debug('%s: %s' % (option, value))
  
      def ParseConfig (self, options):
          """Validate the configuration."""
          # check for output name
          config = self.config
          if config.has_option(OUTPUT_SECTION, OUTPUT_FILENAME):
              config.filename = config.get(OUTPUT_SECTION, OUTPUT_FILENAME)
          else:
              raise JetFileException('No output filename in configuration file')
          if config.filename == '' or config.filename == None:
              config.filename = FileJustRoot(self.config_file) + ".JET"
          config.chase_controllers = True
          if config.has_option(OUTPUT_SECTION, OUTPUT_CHASE_CONTROLLERS):
              try:
                  config.chase_controllers = config.getboolean(OUTPUT_SECTION, OUTPUT_CHASE_CONTROLLERS)
              except:
                  pass
  
          config.delete_empty_tracks = False
          if config.has_option(OUTPUT_SECTION, OUTPUT_OMIT_EMPTY_TRACKS):
              try:
                  config.delete_empty_tracks = config.getboolean(OUTPUT_SECTION, OUTPUT_OMIT_EMPTY_TRACKS)
              except:
                  pass
                  
          config.copyright = None
          if config.has_option(OUTPUT_SECTION, OUTPUT_COPYRIGHT):
              config.copyright = config.get(OUTPUT_SECTION, OUTPUT_COPYRIGHT)
  
          config.app_data = None
          if config.has_option(OUTPUT_SECTION, OUTPUT_APP_DATA):
              config.app_data = config.get(OUTPUT_SECTION, OUTPUT_APP_DATA)
  
          # count segments
          segments = []
          seg_num = 0
          while 1:
  
              # check for segment section
              segment_name = SEGMENT_SECTION + str(seg_num)
              if not config.has_section(segment_name):
                  break
  
              # initialize some parameters
              start = end = length = output = end_marker = dlsfile = dump_file = None
              transpose = repeat = mute_flags = 0
              jetevents = []
  
              # get the segment parameters
              segname = config.get(segment_name, SEGMENT_NAME)
              filename = config.get(segment_name, SEGMENT_FILENAME)
              if config.has_option(segment_name, SEGMENT_DLSFILE):
                  dlsfile = config.get(segment_name, SEGMENT_DLSFILE)
              if config.has_option(segment_name, SEGMENT_START):
                  start = config.get(segment_name, SEGMENT_START)
              if config.has_option(segment_name, SEGMENT_END):
                  end = config.get(segment_name, SEGMENT_END)
              if config.has_option(segment_name, SEGMENT_LENGTH):
                  length = config.get(segment_name, SEGMENT_LENGTH)
              if config.has_option(segment_name, SEGMENT_OUTPUT):
                  output = config.get(segment_name, SEGMENT_OUTPUT)
              if config.has_option(segment_name, SEGMENT_QUANTIZE):
                  quantize = config.get(segment_name, SEGMENT_QUANTIZE)
              if config.has_option(segment_name, SEGMENT_DUMP_FILE):
                  dump_file = config.get(segment_name, SEGMENT_DUMP_FILE)
              #API FIELDS
              if config.has_option(segment_name, SEGMENT_TRANSPOSE):
                  transpose = config.get(segment_name, SEGMENT_TRANSPOSE)
              if config.has_option(segment_name, SEGMENT_REPEAT):
                  repeat = config.get(segment_name, SEGMENT_REPEAT)
              if config.has_option(segment_name, SEGMENT_MUTE_FLAGS):
                  mute_flags = config.get(segment_name, SEGMENT_MUTE_FLAGS)
              
              if config.has_option(segment_name, SEGMENT_END_MARKER):
                  end_marker = config.get(segment_name, SEGMENT_END_MARKER)
                  track_num, channel_num, event_time = end_marker.split(',',2)
                  #jetevents.append((JetDefs.E_EOS, 0, int(track_num), int(channel_num), event_time, ''))
                  jetevents.append(JetEvent(JetDefs.E_EOS, JetDefs.E_EOS, 0, int(track_num), int(channel_num), event_time, event_time))
  
              # check for jetevents
              for jetevent, location in config.items(segment_name):
                  if jetevent.startswith(CLIP_PREFIX):
                      event_name, event_id, track_num, channel_num, event_start, event_end = location.split(',', 5)
                      jetevents.append(JetEvent(event_name, JetDefs.E_CLIP, int(event_id), int(track_num), int(channel_num), event_start, event_end))
  
              # check for appevents
              for jetevent, location in config.items(segment_name):
                  if jetevent.startswith(APP_PREFIX):
                      event_name, event_id, track_num, channel_num, event_start, event_end = location.split(',', 5)
                      jetevents.append(JetEvent(event_name, JetDefs.E_APP, int(event_id), int(track_num), int(channel_num), event_start, event_end))
              
              segments.append(JetSegment(segname, filename, start, end, length, output, quantize, jetevents, dlsfile, dump_file, int(transpose), int(repeat), int(mute_flags)))
              seg_num += 1
  
          self.segments = segments
          if not len(segments):
              #TODO: Check for segments when writing
              #raise JetFileException('No segments defined in configuration file')
              pass
  
          # count libraries
          libraries = []
          lib_num = 0
          while 1:
              library_name = LIBRARY_FILENAME + str(lib_num)
              if not config.has_option(LIBRARY_SECTION, library_name):
                  break
              libraries.append(config.get(LIBRARY_SECTION, library_name))
              lib_num += 1
          self.libraries = libraries
  
      def WriteJetFileFromConfig (self, options):
          """Write JET file from config file."""
          
          # open the output file and write the header
          output_file = open(self.config.filename, 'wb')
          jet_header = struct.pack(JET_HEADER_STRUCT, JET_HEADER_TAG, 0)
          output_file.write(jet_header)
  
          # write the JINF chunk
          jet_info = struct.pack(JINF_STRUCT,
              JET_INFO_CHUNK, struct.calcsize(JINF_STRUCT) - 8,
              JINF_JET_VERSION, JET_VERSION,
              JINF_NUM_SMF_CHUNKS, len(self.segments),
              JINF_NUM_DLS_CHUNKS, len(self.libraries))
          output_file.write(jet_info)
  
          # write the JCOP chunk (if any)
          if self.config.copyright is not None:
              size = len(self.config.copyright) + 1
              if size & 1:
                  size += 1
                  extra_byte = True
              else:
                  extra_byte = False
              jet_copyright = struct.pack(JCOP_STRUCT, JCOP_CHUNK, size)
              output_file.write(jet_copyright)
              output_file.write(self.config.copyright)
              output_file.write(chr(0))
              if extra_byte:
                  output_file.write(chr(0))
  
          # write the app data chunk (if any)
          if self.config.app_data is not None:
              size = os.path.getsize(self.config.app_data)
              if size & 1:
                  size += 1
                  extra_byte = True
              else:
                  extra_byte = False
              jet_app_data = struct.pack(JAPP_STRUCT, JAPP_CHUNK, size)
              output_file.write(jet_app_data)
              with open(self.config.app_data, 'rb') as f:
                  output_file.write(f.read())
              if extra_byte:
                  output_file.write(chr(0))
  
          # copy the MIDI segments
          seg_num = 0
          for segment in self.segments:
              logging.debug('Writing segment %d' % seg_num)
  
              # open SMF file and read it
              jet_segfile = JetSegmentFile(segment.filename, 'rb')
              jet_segfile.ReadFromStream()
  
              # insert events
              jet_segfile.AddJetEvents(segment.jetevents)
  
              # trim to length specified in config file
              jet_segfile.ExtractEvents(segment.start, segment.end, segment.length, segment.quantize, self.config.chase_controllers)
  
              # chase controller events and fix them
              if self.config.chase_controllers:
                  jet_segfile.SyncClips()
  
              # delete empty tracks
              if self.config.delete_empty_tracks:
                  jet_segfile.DeleteEmptyTracks()
  
              # write separate output file if requested
              if segment.output is not None:
                  jet_segfile.SaveAs(segment.output)
  
              # write dump file
              if segment.dump_file is not None:
                  with open(segment.dump_file, 'w') as f:
                      jet_segfile.DumpTracks(f)
  
              # write the segment header
              header_pos = output_file.tell()
              smf_header = struct.pack(JET_HEADER_STRUCT, JET_SMF_CHUNK, 0)
              output_file.write(smf_header)
              start_pos = output_file.tell()
  
              # write SMF file to output file
              jet_segfile.Write(output_file, offset=start_pos)
              jet_segfile.close()
  
              # return to segment header and write actual size
              end_pos = output_file.tell()
              file_size = end_pos - start_pos
              if file_size & 1:
                  file_size += 1
                  end_pos += 1
              output_file.seek(header_pos, 0)
              smf_header = struct.pack(JET_HEADER_STRUCT, JET_SMF_CHUNK, file_size)
              output_file.write(smf_header)
              output_file.seek(end_pos, 0)
  
              seg_num += 1
  
          # copy the DLS segments
          for library in self.libraries:
              if FileExists(library):
                  # open SMF file and get size
                  lib_file = (open(library,'rb'))
                  lib_file.seek(0,2)
                  file_size = lib_file.tell()
                  lib_file.seek(0)
      
                  # write the library header
                  dls_header = struct.pack(JET_HEADER_STRUCT, JET_DLS_CHUNK, file_size)
                  output_file.write(dls_header)
      
                  # copy DLS file to output file
                  output_file.write(lib_file.read())
                  lib_file.close()
  
          # write the header with the read data size
          file_size = output_file.tell()
          output_file.seek(0)
          jet_header = struct.pack(JET_HEADER_STRUCT, JET_HEADER_TAG, file_size - struct.calcsize(JET_HEADER_STRUCT))
          output_file.write(jet_header)
          output_file.close()
          
      def GetMidiFiles(self):
          """ Gets a list of midifiles """
          midiFiles = []
          for segment in self.segments:
              if segment.filename not in midiFiles:
                   midiFiles.append(segment.filename) 
          return midiFiles
              
      def GetLibraries(self):
          """ Gets the libraries """
          return self.libraries
      
      def GetEvents(self, segName):
          """ Gets the events for a segment """
          for segment in self.segments:
              if segment.segname == segName:
                  return segment.jetevents
          return None
      
      def GetEvent(self, segName, eventName):
          """ Gets a single event from a segment """
          for segment in self.segments:
              if segment.segname == segName:
                  for event in segment.jetevents:
                      if event.event_name == eventName:
                          return event
          return None
          
      def AddEvent(self, segname, event_name, event_type, event_id, track_num, channel_num, event_start, event_end):    
          """ Adds an event """
          for segment in self.segments:
              if segment.segname == segname:
                  segment.jetevents.append(JetEvent(event_name, event_type, int(event_id), int(track_num), int(channel_num), event_start, event_end))
      
      def ReplaceEvents(self, segname, newEvents):
          """ Replaces all events """
          for segment in self.segments:
              if segment.segname == segname:
                  segment.jetevents = newEvents
                  return segment       
          
      def UpdateEvent(self, segname, orgeventname, event_name, event_type, event_id, track_num, channel_num, event_start, event_end):
          """ Updates an event """    
          for segment in self.segments:
              if segment.segname == segname:
                  for jetevent in segment.jetevents:
                      if jetevent.event_name == orgeventname:
                          jetevent.event_name = event_name
                          jetevent.event_type = event_type
                          jetevent.event_id = event_id
                          jetevent.track_num = track_num
                          jetevent.channel_num = channel_num
                          jetevent.event_start = event_start
                          jetevent.event_end = event_end
                         
      def DeleteSegmentsMatchingPrefix(self, prefix):
          """ Deletes all segments matching name """
          iOnce = True
          iAgain = False
          while(iOnce or iAgain):
              iOnce = False
              iAgain = False
              for segment in self.segments:
                  if segment.segname[0:len(prefix)].upper() == prefix.upper():
                      self.segments.remove(segment)
                      iAgain = True
                              
      def DeleteEvent(self, segname, event_name):
          """ Deletes an event """
          for segment in self.segments:
              if segment.segname == segname:
                  for jetevent in segment.jetevents:
                      if jetevent.event_name == event_name:
                          segment.jetevents.remove(jetevent)
  
      def DeleteEventsMatchingPrefix(self, segname, prefix):
          """ Deletes all events matching name """
          for segment in self.segments:
              if segment.segname == segname:
                  iOnce = True
                  iAgain = False
                  while(iOnce or iAgain):
                      iOnce = False
                      iAgain = False
                      for jetevent in segment.jetevents:
                          if jetevent.event_name[0:len(prefix)].upper() == prefix.upper():
                              segment.jetevents.remove(jetevent)
                              iAgain = True
  
      def MoveEvent(self, segname, movename, event_start, event_end):
          """ Move an event """    
          for segment in self.segments:
              if segment.segname == segname:
                  for jetevent in segment.jetevents:
                      if jetevent.event_name == movename:
                          jetevent.event_start = event_start
                          jetevent.event_end = event_end
                          return
              
      def GetSegments(self):
          """ Gets all segments """
          return self.segments
     
      def GetSegment(self, segName):
          """ Gets one segment by name """
          for segment in self.segments:
              if segment.segname == segName:
                  return segment
          return None
          
      def AddSegment(self, segname, filename, start, end, length, output, quantize, jetevents, dlsfile, dump_file, transpose, repeat, mute_flags):
          """ Adds a segment """
          if length == JetDefs.MBT_ZEROSTR:
              length = None
          if end == JetDefs.MBT_ZEROSTR:
              end = None
          self.segments.append(JetSegment(segname, filename, start, end, length, output, quantize, jetevents, dlsfile, dump_file, transpose, repeat, mute_flags))
      
      def UpdateSegment(self, orgsegname, segname, filename, start, end, length, output, quantize, jetevents, dlsfile, dump_file, transpose, repeat, mute_flags):
          """ Updates a segment """
          if length == JetDefs.MBT_ZEROSTR:
              length = None
          if end == JetDefs.MBT_ZEROSTR:
              end = None
          for segment in self.segments:
              if segment.segname == orgsegname:
                  segment.segname = segname
                  segment.filename = filename
                  segment.start = start
                  segment.end = end
                  segment.length = length
                  segment.output = output
                  segment.quantize = quantize
                  segment.dlsfile = dlsfile
                  segment.transpose = transpose
                  segment.repeat = repeat
                  segment.mute_flags = mute_flags
  
      def MoveSegment(self, segname, start, end):
          """ Moves a segment """
          for segment in self.segments:
              if segment.segname == segname:
                  segment.start = start
                  segment.end = end
                  return
  
      def DeleteSegment(self, segname):
          """ Deletes a segment """
          for segment in self.segments:
              if segment.segname == segname:
                  self.segments.remove(segment)
  
      def SaveJetConfig(self, configFile):
          """ Saves the jet config file """
          if self.config.filename == '' or self.config.filename == None:
              self.config.filename = FileJustRoot(configFile) + ".JET"
          config = ConfigParser.ConfigParser()
          config.add_section(OUTPUT_SECTION)
          config.set(OUTPUT_SECTION, OUTPUT_FILENAME, self.config.filename)
          config.set(OUTPUT_SECTION, OUTPUT_CHASE_CONTROLLERS, self.config.chase_controllers)
          config.set(OUTPUT_SECTION, OUTPUT_OMIT_EMPTY_TRACKS, self.config.delete_empty_tracks)
          if self.config.copyright is not None:
              config.set(OUTPUT_SECTION, OUTPUT_COPYRIGHT, self.config.copyright)
          if self.config.app_data is not None:
              config.set(OUTPUT_SECTION, OUTPUT_APP_DATA, self.config.app_data)
  
          self.libraries = []
          seg_num = 0
          for segment in self.segments:
              segment_name = SEGMENT_SECTION + str(seg_num)
              config.add_section(segment_name)
              config.set(segment_name, SEGMENT_NAME, segment.segname)
              config.set(segment_name, SEGMENT_FILENAME, segment.filename)
              
              config.set(segment_name, SEGMENT_DLSFILE, segment.dlsfile)
              if FileExists(segment.dlsfile):
                  if not segment.dlsfile in self.libraries:
                      self.libraries.append(segment.dlsfile)
              config.set(segment_name, SEGMENT_START, segment.start)
              if segment.end > JetDefs.MBT_ZEROSTR and len(segment.end) > 0:
                  config.set(segment_name, SEGMENT_END, segment.end)
              if segment.length > JetDefs.MBT_ZEROSTR and len(segment.length) > 0:
                  config.set(segment_name, SEGMENT_LENGTH, segment.length)
              config.set(segment_name, SEGMENT_OUTPUT, segment.output)
              config.set(segment_name, SEGMENT_QUANTIZE, segment.quantize)
              if segment.dump_file is not None:
                  config.set(segment_name, SEGMENT_DUMP_FILE, segment.dump_file)
              config.set(segment_name, SEGMENT_TRANSPOSE, segment.transpose)
              config.set(segment_name, SEGMENT_REPEAT, segment.repeat)
              config.set(segment_name, SEGMENT_MUTE_FLAGS, segment.mute_flags)
  
              clip_num = 0
              app_num = 0
              for jet_event in segment.jetevents:
                  if jet_event.event_type == JetDefs.E_CLIP:
                      clip_name = CLIP_PREFIX + str(clip_num)
                      s = "%s,%s,%s,%s,%s,%s" % (jet_event.event_name, jet_event.event_id, jet_event.track_num, jet_event.channel_num, jet_event.event_start, jet_event.event_end)
                      config.set(segment_name, clip_name, s)
                      clip_num += 1
                  elif jet_event.event_type == JetDefs.E_APP:
                      app_name = APP_PREFIX + str(app_num)
                      s = "%s,%s,%s,%s,%s,%s" % (jet_event.event_name, jet_event.event_id, jet_event.track_num, jet_event.channel_num, jet_event.event_start, jet_event.event_end)
                      config.set(segment_name, app_name, s)
                      app_num += 1
                  elif jet_event.event_type == JetDefs.E_EOS:
                      s = "%s,%s,%s" % (jet_event.track_num, jet_event.channel_num, jet_event.event_start)
                      config.set(segment_name, SEGMENT_END_MARKER, s)
                  
              seg_num += 1
                          
          lib_num = 0
          config.add_section(LIBRARY_SECTION)
          for library in self.libraries:
              library_name = LIBRARY_FILENAME + str(lib_num)
              config.set(LIBRARY_SECTION, library_name, library)
              lib_num += 1
          
          FileKillClean(configFile)
          cfgfile = open(configFile,'w')
          config.write(cfgfile)
          cfgfile.close()
      
      def InitializeConfig(self, configFile):
          """ Initializes the values for an empty flag """
          self.config.filename = FileJustRoot(configFile)  + ".JET"
          self.config.chase_controllers = True
          self.config.delete_empty_tracks = False
          self.config.copyright = None
          self.config.app_data = None
          self.segments = []
          self.libraries = []
          self.config_file = configFile
          self.SaveJetConfig(configFile)
          
          
  
  #---------------------------------------------------------------
  # main
  #---------------------------------------------------------------
  if __name__ == '__main__':
      sys = __import__('sys')
      optparse = __import__('optparse')
  
      # parse command line options
      parser = optparse.OptionParser(version=VERSION)
      parser.set_defaults(log_level=logging.INFO, log_file=None)
      parser.add_option('-d', '--debug', action="store_const", const=logging.DEBUG, dest='log_level', help='Enable debug output')
      parser.add_option('-l', '--log_file', dest='log_file', help='Write debug output to log file')
      (options, args) = parser.parse_args()
  
      # get master logger
      logger = logging.getLogger('')
      logger.setLevel(options.log_level)
  
      # create console logger
      console_logger = logging.StreamHandler()
      console_logger.setFormatter(logging.Formatter('%(message)s'))
      logger.addHandler(console_logger)
  
      # create rotating file logger
      if options.log_file is not None:
          file_logger = logging.FileHandler(options.log_file, 'w')
          file_logger.setFormatter(logging.Formatter('%(message)s'))
          logger.addHandler(file_logger)
  
      # process files
      for arg in args:
          print arg
          jet_file = JetFile(arg, options)
          jet_file.WriteJetFileFromConfig(options)
  
  