def read_igc_headers(filename):
path = files.filename_to_path(filename)
try:
f = file(path, 'r')
except IOError:
return dict()
igc_headers = dict()
i = 0
for line in f:
if line[0] == 'A' and len(line) >= 4:
igc_headers['manufacturer_id'] = line[1:4]
if len(line) >= 7:
igc_headers['logger_id'] = parse_logger_id(line)
if line.startswith('HFGTY'):
igc_headers['model'] = parse_glider_type(line)
if line.startswith('HFGID'):
igc_headers['reg'] = parse_glider_reg(line)
# don't read more than 100 lines, that should be enough
i += 1
if i > 100:
break
return igc_headers
def flight_path(igc_file, max_points = 1000):
path = files.filename_to_path(igc_file.filename)
f = os.popen(helper_path('FlightPath') + ' --max-points=' + str(max_points) + ' "' + path + '"')
path = []
for line in f:
line = line.split()
path.append((int(line[0]), float(line[1]), float(line[2]), int(line[3]), int(line[4])))
return path
def analyse_flight(flight):
path = files.filename_to_path(flight.igc_file.filename)
log.info('Analyzing ' + path)
root = None
with os.popen(helper_path('AnalyseFlight') + ' "' + path + '"') as f:
try:
root = simplejson.load(f)
except simplejson.JSONDecodeError:
log.error('Parsing the output of AnalyseFlight failed.')
if log.isEnabledFor(logging.DEBUG):
with os.popen(helper_path('AnalyseFlight') + ' "' + path + '"') as f_debug:
log.debug(helper_path('AnalyseFlight') +
' "' + path + '" = ' + str(f_debug.readlines()))
return False
if not root:
return False
if 'events' in root:
save_events(root['events'], flight)
contest = find_contest(root, 'olc_plus')
if contest is not None:
trace = find_trace(contest, 'classic')
if trace is not None and 'distance' in trace:
flight.olc_classic_distance = int(trace['distance'])
else:
flight.olc_classic_distance = None
trace = find_trace(contest, 'triangle')
if trace is not None and 'distance' in trace:
flight.olc_triangle_distance = int(trace['distance'])
else:
flight.olc_triangle_distance = None
trace = find_trace(contest, 'plus')
if trace is not None and 'score' in trace:
flight.olc_plus_score = int(trace['score'])
else:
flight.olc_plus_score = None
save_contests(root, flight)
save_phases(root, flight)
flight.needs_analysis = False
return True
