<----SKIPPED LINES---->




AIRCRAFT_LENGTH['Airbus A321neo (twin-jet)'] = 44.51
AIRCRAFT_LENGTH['Airbus A330-200 (twin-jet)'] = 58.82
AIRCRAFT_LENGTH['Airbus A330-300 (twin-jet)'] = 63.67
AIRCRAFT_LENGTH['AIRBUS A-330-900 (twin-jet)'] = 63.66
AIRCRAFT_LENGTH['Airbus A340-300 (quad-jet)'] = 63.69
AIRCRAFT_LENGTH['Airbus A350-1000 (twin-jet)'] = 73.79
AIRCRAFT_LENGTH['Airbus A350-900 (twin-jet)'] = 66.8
AIRCRAFT_LENGTH['Airbus A380-800 (quad-jet)'] = 72.72
AIRCRAFT_LENGTH['Antonov An-124 Ruslan (quad-jet)'] = 69.1
AIRCRAFT_LENGTH['Beechcraft Beechjet (twin-jet)'] = 14.76
AIRCRAFT_LENGTH['Beechcraft Bonanza (33) (piston-single)'] = 7.65
AIRCRAFT_LENGTH['Beechcraft King Air 90 (twin-turboprop)'] = 10.82
AIRCRAFT_LENGTH['Beechcraft King Air F90 (twin-turboprop)'] = 12.14
AIRCRAFT_LENGTH['Beechcraft Premier 1 (twin-jet)'] = 14.02
AIRCRAFT_LENGTH['Beechcraft Super King Air 200 (twin-turboprop)'] = 13.31
AIRCRAFT_LENGTH['Beechcraft Super King Air 350 (twin-turboprop)'] = 14.22
AIRCRAFT_LENGTH['Boeing 737-400 (twin-jet)'] = 36.4
AIRCRAFT_LENGTH['Boeing 737-700 (twin-jet)'] = 33.63
AIRCRAFT_LENGTH['Boeing 737-800 (twin-jet)'] = 39.47
AIRCRAFT_LENGTH['Boeing 737-900 (twin-jet)'] = 42.11

AIRCRAFT_LENGTH['Boeing 737 MAX 9 (twin-jet)'] = 42.1
AIRCRAFT_LENGTH['Boeing 747-100 (quad-jet)'] = 70.66
AIRCRAFT_LENGTH['Boeing 747-400 (quad-jet)'] = 70.66
AIRCRAFT_LENGTH['Boeing 747-8 (quad-jet)'] = 76.25
AIRCRAFT_LENGTH['Boeing 757-200 (twin-jet)'] = 47.3
AIRCRAFT_LENGTH['Boeing 757-300 (twin-jet)'] = 54.4
AIRCRAFT_LENGTH['Boeing 767-200 (twin-jet)'] = 48.51
AIRCRAFT_LENGTH['BOEING 767-300 (twin-jet)'] = 54.94
AIRCRAFT_LENGTH['Boeing 767-300 (twin-jet)'] = 54.94
AIRCRAFT_LENGTH['Boeing 777 (twin-jet)'] = (63.73 + 73.86) / 2
AIRCRAFT_LENGTH['Boeing 777-200 (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING 777-200ER (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING 777-200LR (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['Boeing 777-200LR/F (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['Boeing 777-300 (twin-jet)'] = 33.4
AIRCRAFT_LENGTH['BOEING 777-300ER (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['Boeing 777-300ER (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['Boeing 787-10 (twin-jet)'] = 68.28
AIRCRAFT_LENGTH['Boeing 787-8 (twin-jet)'] = 56.72
AIRCRAFT_LENGTH['Boeing 787-9 (twin-jet)'] = 62.81




                            <----SKIPPED LINES---->




AIRCRAFT_LENGTH['BOEING BBJ (747-8) (quad-jet)'] = 76.25
AIRCRAFT_LENGTH['BOEING BBJ (777-200LR) (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING BBJ (777-300ER) (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['BOEING BBJ3 (twin-jet)'] = 42.11
AIRCRAFT_LENGTH['Boeing Dreamliner (Srs.8) (twin-jet)'] = 56.72
AIRCRAFT_LENGTH['BOEING Dreamliner (Srs.9) (twin-jet)'] = 62.81
AIRCRAFT_LENGTH['Boeing MD-11 (tri-jet)'] = (61.2 + 61.6) / 2
AIRCRAFT_LENGTH['Bombardier Challenger 300 (twin-jet)'] = 20.92
AIRCRAFT_LENGTH['Bombardier Global 5000 (twin-jet)'] = 29.5
AIRCRAFT_LENGTH['Bombardier Global Express (twin-jet)'] = (29.5 + 30.3) / 2
AIRCRAFT_LENGTH['Bombardier Learjet 75 (twin-jet)'] = 17.7
AIRCRAFT_LENGTH['Canadair Challenger (twin-jet)'] = 20.9
AIRCRAFT_LENGTH['Canadair Challenger 350 (twin-jet)'] = 20.9
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-200 (twin-jet)'] = 26.77
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-700 (twin-jet)'] = 32.3
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-900 (twin-jet)'] = 36.2
AIRCRAFT_LENGTH['Cessna Caravan (single-turboprop)'] = 11.46
AIRCRAFT_LENGTH['Cessna Citation CJ1 (twin-jet)'] = 12.98
AIRCRAFT_LENGTH['Cessna Citation CJ2+ (twin-jet)'] = 14.53
AIRCRAFT_LENGTH['Cessna Citation CJ3 (twin-jet)'] = 15.59

AIRCRAFT_LENGTH['Cessna Citation M2 (twin-jet)'] = 12.98
AIRCRAFT_LENGTH['Cessna Citation Excel/XLS (twin-jet)'] = 16.0
AIRCRAFT_LENGTH['Cessna Citation II (twin-jet)'] = 14.54
AIRCRAFT_LENGTH['Cessna Citation Latitude (twin-jet)'] = 18.97
AIRCRAFT_LENGTH['Cessna Citation Longitude (twin-jet)'] = 22.3
AIRCRAFT_LENGTH['Cessna Citation Mustang (twin-jet)'] = 12.37
AIRCRAFT_LENGTH['Cessna Citation Sovereign (twin-jet)'] = 19.35
AIRCRAFT_LENGTH['Cessna Citation V (twin-jet)'] = 14.91
AIRCRAFT_LENGTH['Cessna Citation X (twin-jet)'] = 22.04
AIRCRAFT_LENGTH['Cessna Conquest 2 (twin-turboprop)'] = 11.89
AIRCRAFT_LENGTH['Cessna Skyhawk (piston-single)'] = 8.28
AIRCRAFT_LENGTH['Cessna Skylane (piston-single)'] = 8.84
AIRCRAFT_LENGTH['Cessna T206 Turbo Stationair (piston-single)'] = 8.61
AIRCRAFT_LENGTH['Cirrus SR-20 (piston-single)'] = 7.92
AIRCRAFT_LENGTH['Cirrus SR-22 (piston-single)'] = 7.92
AIRCRAFT_LENGTH['Cirrus SR22 Turbo (piston-single)'] = 7.92

AIRCRAFT_LENGTH['Daher-Socata TBM-900 (single-turboprop)'] = 10.72

AIRCRAFT_LENGTH['Dassault Falcon 2000 (twin-jet)'] = 20.23
AIRCRAFT_LENGTH['Dassault Falcon 900 (tri-jet)'] = 20.21
AIRCRAFT_LENGTH['Embraer 170/175 (twin-jet)'] = (29.90 + 31.68) / 2
AIRCRAFT_LENGTH['EMBRAER 175 (long wing) (twin-jet)'] = 31.68
AIRCRAFT_LENGTH['Embraer ERJ-135 (twin-jet)'] = 26.33
AIRCRAFT_LENGTH['Embraer ERJ-145 (twin-jet)'] = 29.87
AIRCRAFT_LENGTH['Embraer ERJ 175 (twin-jet)'] = 31.68
AIRCRAFT_LENGTH['Embraer Legacy 450 (twin-jet)'] = 19.69
AIRCRAFT_LENGTH['Embraer Legacy 550 (twin-jet)'] = 20.74
AIRCRAFT_LENGTH['Embraer Legacy 600/650 (twin-jet)'] = 26.33
AIRCRAFT_LENGTH['Embraer Phenom 300 (twin-jet)'] = 15.9
AIRCRAFT_LENGTH['Eurocopter EC-635 (twin-turboshaft)'] = 10.21
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream 3 (twin-jet)'] = 25.32
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream G450 (twin-jet)'] = 27.23
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream G550 (twin-jet)'] = 29.39
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream IV (twin-jet)'] = 26.92
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream V (twin-jet)'] = 29.4
AIRCRAFT_LENGTH['Hawker Beechcraft 4000 (twin-jet)'] = 21.08
AIRCRAFT_LENGTH['Honda HondaJet (twin-jet)'] = 12.99
AIRCRAFT_LENGTH['IAI Gulfstream G100 (twin-jet)'] = 16.94
AIRCRAFT_LENGTH['IAI Gulfstream G200 (twin-jet)'] = 18.97
AIRCRAFT_LENGTH['IAI Gulfstream G280 (twin-jet)'] = 20.3
AIRCRAFT_LENGTH['Learjet 35 (twin-jet)'] = 14.83
AIRCRAFT_LENGTH['Learjet 45 (twin-jet)'] = 17.68
AIRCRAFT_LENGTH['Learjet 60 (twin-jet)'] = 17.88
AIRCRAFT_LENGTH['McDonnell Douglas MD-11 (tri-jet)'] = 61.6
AIRCRAFT_LENGTH['Pilatus PC-12 (single-turboprop)'] = 14.4
AIRCRAFT_LENGTH['Raytheon Hawker 800 (twin-jet)'] = 15.60
AIRCRAFT_LENGTH['Raytheon Hawker 800XP (twin-jet)'] = 15.60
AIRCRAFT_LENGTH['Raytheon Hawker 850XP (twin-jet)'] = 15.60

AIRCRAFT_LENGTH['Rockwell Turbo Commander 690 (twin-turboprop)'] = 11.22
for mixed_case_plane in list(AIRCRAFT_LENGTH.keys()):  # pylint: disable=C0201
  AIRCRAFT_LENGTH[mixed_case_plane.upper()] = AIRCRAFT_LENGTH[mixed_case_plane]
  AIRCRAFT_LENGTH.pop(mixed_case_plane)


def Log(message, file=None, rolling=None):
  """Write a message to a logfile along with a timestamp.

  Args:
    message: string message to write
    file: string representing file name and, if needed, path to the
      file to write to
    rolling: name of file that will keep only the last n files of file
  """
  # can't define as a default parameter because LOGFILE name is potentially
  # modified based on SIMULATION flag
  if not file:
    file = LOGFILE





                            <----SKIPPED LINES---->






def ImageHistograms(
    flights,
    which_histograms,
    how_much_history,
    filename_prefix=HISTOGRAM_IMAGE_PREFIX,
    filename_suffix=HISTOGRAM_IMAGE_SUFFIX,
    heartbeat=True):
  """Generates multiple split histogram images.

  Args:
    flights: the iterable of the raw data from which the histogram will be
      generated; each element of the iterable is a dictionary, that contains at
      least the key 'now', and depending on other parameters, also potentially
      'min_feet' amongst others.
    which_histograms: string paramater indicating which histogram(s) to
      generate, which can be either the special string 'all', or a string
      linked to a specific histogram.
    how_much_history: string parameter taking a value among ['today', '24h',
      '7d', '30d].
    filename_prefix: this string indicates the file path and name prefix for
      the images that are created. File names are created in the form [prefix]
      name.[suffix], i.e.: if the prefix is histogram_ and the suffix is png,
      then the file name might be histogram_aircraft.png.
    filename_suffix: see above; also interpreted by savefig to generate the
      correct format.
    heartbeat: boolean indicating whether we should log heartbeats between each
      histogram to make sure monitoring does not mistake this slow procedure
      for being hung; this should be set to false if this is called from
      outside of messageboard.main.

  Returns:
    List of 2-tuples of histograms generated, where the first element is the
    histogram identifier (i.e.: destination), and the second element is the
    filename (i.e.: histogram_destination.png).
  """
  hours = HistogramSettingsHours(how_much_history)

  histograms_to_generate = []
  if which_histograms in ['destination', 'all']:




                            <----SKIPPED LINES---->

                            <----SKIPPED LINES---->




AIRCRAFT_LENGTH['Airbus A321neo (twin-jet)'] = 44.51
AIRCRAFT_LENGTH['Airbus A330-200 (twin-jet)'] = 58.82
AIRCRAFT_LENGTH['Airbus A330-300 (twin-jet)'] = 63.67
AIRCRAFT_LENGTH['AIRBUS A-330-900 (twin-jet)'] = 63.66
AIRCRAFT_LENGTH['Airbus A340-300 (quad-jet)'] = 63.69
AIRCRAFT_LENGTH['Airbus A350-1000 (twin-jet)'] = 73.79
AIRCRAFT_LENGTH['Airbus A350-900 (twin-jet)'] = 66.8
AIRCRAFT_LENGTH['Airbus A380-800 (quad-jet)'] = 72.72
AIRCRAFT_LENGTH['Antonov An-124 Ruslan (quad-jet)'] = 69.1
AIRCRAFT_LENGTH['Beechcraft Beechjet (twin-jet)'] = 14.76
AIRCRAFT_LENGTH['Beechcraft Bonanza (33) (piston-single)'] = 7.65
AIRCRAFT_LENGTH['Beechcraft King Air 90 (twin-turboprop)'] = 10.82
AIRCRAFT_LENGTH['Beechcraft King Air F90 (twin-turboprop)'] = 12.14
AIRCRAFT_LENGTH['Beechcraft Premier 1 (twin-jet)'] = 14.02
AIRCRAFT_LENGTH['Beechcraft Super King Air 200 (twin-turboprop)'] = 13.31
AIRCRAFT_LENGTH['Beechcraft Super King Air 350 (twin-turboprop)'] = 14.22
AIRCRAFT_LENGTH['Boeing 737-400 (twin-jet)'] = 36.4
AIRCRAFT_LENGTH['Boeing 737-700 (twin-jet)'] = 33.63
AIRCRAFT_LENGTH['Boeing 737-800 (twin-jet)'] = 39.47
AIRCRAFT_LENGTH['Boeing 737-900 (twin-jet)'] = 42.11
AIRCRAFT_LENGTH['Boeing 737 MAX 8 (twin-jet)'] = 39.47
AIRCRAFT_LENGTH['Boeing 737 MAX 9 (twin-jet)'] = 42.1
AIRCRAFT_LENGTH['Boeing 747-100 (quad-jet)'] = 70.66
AIRCRAFT_LENGTH['Boeing 747-400 (quad-jet)'] = 70.66
AIRCRAFT_LENGTH['Boeing 747-8 (quad-jet)'] = 76.25
AIRCRAFT_LENGTH['Boeing 757-200 (twin-jet)'] = 47.3
AIRCRAFT_LENGTH['Boeing 757-300 (twin-jet)'] = 54.4
AIRCRAFT_LENGTH['Boeing 767-200 (twin-jet)'] = 48.51
AIRCRAFT_LENGTH['BOEING 767-300 (twin-jet)'] = 54.94
AIRCRAFT_LENGTH['Boeing 767-300 (twin-jet)'] = 54.94
AIRCRAFT_LENGTH['Boeing 777 (twin-jet)'] = (63.73 + 73.86) / 2
AIRCRAFT_LENGTH['Boeing 777-200 (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING 777-200ER (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING 777-200LR (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['Boeing 777-200LR/F (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['Boeing 777-300 (twin-jet)'] = 33.4
AIRCRAFT_LENGTH['BOEING 777-300ER (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['Boeing 777-300ER (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['Boeing 787-10 (twin-jet)'] = 68.28
AIRCRAFT_LENGTH['Boeing 787-8 (twin-jet)'] = 56.72
AIRCRAFT_LENGTH['Boeing 787-9 (twin-jet)'] = 62.81




                            <----SKIPPED LINES---->




AIRCRAFT_LENGTH['BOEING BBJ (747-8) (quad-jet)'] = 76.25
AIRCRAFT_LENGTH['BOEING BBJ (777-200LR) (twin-jet)'] = 63.73
AIRCRAFT_LENGTH['BOEING BBJ (777-300ER) (twin-jet)'] = 73.86
AIRCRAFT_LENGTH['BOEING BBJ3 (twin-jet)'] = 42.11
AIRCRAFT_LENGTH['Boeing Dreamliner (Srs.8) (twin-jet)'] = 56.72
AIRCRAFT_LENGTH['BOEING Dreamliner (Srs.9) (twin-jet)'] = 62.81
AIRCRAFT_LENGTH['Boeing MD-11 (tri-jet)'] = (61.2 + 61.6) / 2
AIRCRAFT_LENGTH['Bombardier Challenger 300 (twin-jet)'] = 20.92
AIRCRAFT_LENGTH['Bombardier Global 5000 (twin-jet)'] = 29.5
AIRCRAFT_LENGTH['Bombardier Global Express (twin-jet)'] = (29.5 + 30.3) / 2
AIRCRAFT_LENGTH['Bombardier Learjet 75 (twin-jet)'] = 17.7
AIRCRAFT_LENGTH['Canadair Challenger (twin-jet)'] = 20.9
AIRCRAFT_LENGTH['Canadair Challenger 350 (twin-jet)'] = 20.9
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-200 (twin-jet)'] = 26.77
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-700 (twin-jet)'] = 32.3
AIRCRAFT_LENGTH['Canadair Regional Jet CRJ-900 (twin-jet)'] = 36.2
AIRCRAFT_LENGTH['Cessna Caravan (single-turboprop)'] = 11.46
AIRCRAFT_LENGTH['Cessna Citation CJ1 (twin-jet)'] = 12.98
AIRCRAFT_LENGTH['Cessna Citation CJ2+ (twin-jet)'] = 14.53
AIRCRAFT_LENGTH['Cessna Citation CJ3 (twin-jet)'] = 15.59
AIRCRAFT_LENGTH['Cessna Citation CJ4 (twin-jet)'] = 16.26
AIRCRAFT_LENGTH['Cessna Citation M2 (twin-jet)'] = 12.98
AIRCRAFT_LENGTH['Cessna Citation Excel/XLS (twin-jet)'] = 16.0
AIRCRAFT_LENGTH['Cessna Citation II (twin-jet)'] = 14.54
AIRCRAFT_LENGTH['Cessna Citation Latitude (twin-jet)'] = 18.97
AIRCRAFT_LENGTH['Cessna Citation Longitude (twin-jet)'] = 22.3
AIRCRAFT_LENGTH['Cessna Citation Mustang (twin-jet)'] = 12.37
AIRCRAFT_LENGTH['Cessna Citation Sovereign (twin-jet)'] = 19.35
AIRCRAFT_LENGTH['Cessna Citation V (twin-jet)'] = 14.91
AIRCRAFT_LENGTH['Cessna Citation X (twin-jet)'] = 22.04
AIRCRAFT_LENGTH['Cessna Conquest 2 (twin-turboprop)'] = 11.89
AIRCRAFT_LENGTH['Cessna Skyhawk (piston-single)'] = 8.28
AIRCRAFT_LENGTH['Cessna Skylane (piston-single)'] = 8.84
AIRCRAFT_LENGTH['Cessna T206 Turbo Stationair (piston-single)'] = 8.61
AIRCRAFT_LENGTH['Cirrus SR-20 (piston-single)'] = 7.92
AIRCRAFT_LENGTH['Cirrus SR-22 (piston-single)'] = 7.92
AIRCRAFT_LENGTH['Cirrus SR22 Turbo (piston-single)'] = 7.92
AIRCRAFT_LENGTH['Cirrus Vision SF50 (single-jet)'] = 9.42
AIRCRAFT_LENGTH['Daher-Socata TBM-900 (single-turboprop)'] = 10.72
AIRCRAFT_LENGTH['Dassault Falcon 50 (tri-jet)'] = 18.52
AIRCRAFT_LENGTH['Dassault Falcon 2000 (twin-jet)'] = 20.23
AIRCRAFT_LENGTH['Dassault Falcon 900 (tri-jet)'] = 20.21
AIRCRAFT_LENGTH['Embraer 170/175 (twin-jet)'] = (29.90 + 31.68) / 2
AIRCRAFT_LENGTH['EMBRAER 175 (long wing) (twin-jet)'] = 31.68
AIRCRAFT_LENGTH['Embraer ERJ-135 (twin-jet)'] = 26.33
AIRCRAFT_LENGTH['Embraer ERJ-145 (twin-jet)'] = 29.87
AIRCRAFT_LENGTH['Embraer ERJ 175 (twin-jet)'] = 31.68
AIRCRAFT_LENGTH['Embraer Legacy 450 (twin-jet)'] = 19.69
AIRCRAFT_LENGTH['Embraer Legacy 550 (twin-jet)'] = 20.74
AIRCRAFT_LENGTH['Embraer Legacy 600/650 (twin-jet)'] = 26.33
AIRCRAFT_LENGTH['Embraer Phenom 300 (twin-jet)'] = 15.9
AIRCRAFT_LENGTH['Eurocopter EC-635 (twin-turboshaft)'] = 10.21
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream 3 (twin-jet)'] = 25.32
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream G450 (twin-jet)'] = 27.23
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream G550 (twin-jet)'] = 29.39
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream IV (twin-jet)'] = 26.92
AIRCRAFT_LENGTH['Gulfstream Aerospace Gulfstream V (twin-jet)'] = 29.4
AIRCRAFT_LENGTH['Hawker Beechcraft 4000 (twin-jet)'] = 21.08
AIRCRAFT_LENGTH['Honda HondaJet (twin-jet)'] = 12.99
AIRCRAFT_LENGTH['IAI Gulfstream G100 (twin-jet)'] = 16.94
AIRCRAFT_LENGTH['IAI Gulfstream G200 (twin-jet)'] = 18.97
AIRCRAFT_LENGTH['IAI Gulfstream G280 (twin-jet)'] = 20.3
AIRCRAFT_LENGTH['Learjet 35 (twin-jet)'] = 14.83
AIRCRAFT_LENGTH['Learjet 45 (twin-jet)'] = 17.68
AIRCRAFT_LENGTH['Learjet 60 (twin-jet)'] = 17.88
AIRCRAFT_LENGTH['McDonnell Douglas MD-11 (tri-jet)'] = 61.6
AIRCRAFT_LENGTH['Pilatus PC-12 (single-turboprop)'] = 14.4
AIRCRAFT_LENGTH['Raytheon Hawker 800 (twin-jet)'] = 15.60
AIRCRAFT_LENGTH['Raytheon Hawker 800XP (twin-jet)'] = 15.60
AIRCRAFT_LENGTH['Raytheon Hawker 850XP (twin-jet)'] = 15.60
AIRCRAFT_LENGTH['Raytheon Hawker 1000 (twin-jet)'] = 16.08
AIRCRAFT_LENGTH['Rockwell Turbo Commander 690 (twin-turboprop)'] = 11.22
for mixed_case_plane in list(AIRCRAFT_LENGTH.keys()):  # pylint: disable=C0201
  AIRCRAFT_LENGTH[mixed_case_plane.upper()] = AIRCRAFT_LENGTH[mixed_case_plane]
  AIRCRAFT_LENGTH.pop(mixed_case_plane)


def Log(message, file=None, rolling=None):
  """Write a message to a logfile along with a timestamp.

  Args:
    message: string message to write
    file: string representing file name and, if needed, path to the
      file to write to
    rolling: name of file that will keep only the last n files of file
  """
  # can't define as a default parameter because LOGFILE name is potentially
  # modified based on SIMULATION flag
  if not file:
    file = LOGFILE





                            <----SKIPPED LINES---->






def ImageHistograms(
    flights,
    which_histograms,
    how_much_history,
    filename_prefix=HISTOGRAM_IMAGE_PREFIX,
    filename_suffix=HISTOGRAM_IMAGE_SUFFIX,
    heartbeat=True):
  """Generates multiple split histogram images.

  Args:
    flights: the iterable of the raw data from which the histogram will be
      generated; each element of the iterable is a dictionary, that contains at
      least the key 'now', and depending on other parameters, also potentially
      'min_feet' amongst others.
    which_histograms: string paramater indicating which histogram(s) to
      generate, which can be either the special string 'all', or a string
      linked to a specific histogram.
    how_much_history: string parameter taking a value among ['today', '24h',
      '7d', '30d'].
    filename_prefix: this string indicates the file path and name prefix for
      the images that are created. File names are created in the form [prefix]
      name.[suffix], i.e.: if the prefix is histogram_ and the suffix is png,
      then the file name might be histogram_aircraft.png.
    filename_suffix: see above; also interpreted by savefig to generate the
      correct format.
    heartbeat: boolean indicating whether we should log heartbeats between each
      histogram to make sure monitoring does not mistake this slow procedure
      for being hung; this should be set to false if this is called from
      outside of messageboard.main.

  Returns:
    List of 2-tuples of histograms generated, where the first element is the
    histogram identifier (i.e.: destination), and the second element is the
    filename (i.e.: histogram_destination.png).
  """
  hours = HistogramSettingsHours(how_much_history)

  histograms_to_generate = []
  if which_histograms in ['destination', 'all']:




                            <----SKIPPED LINES---->