def get_image_time(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
if "IMAGE_TIME" in p:
image_time = p["IMAGE_TIME"]
elif "START_TIME" in p:
image_time = p["START_TIME"]
elif file_name[-3:].upper() in ("CUB", ):
try:
image_time = p["IsisCube"]["Instrument"]["ImageTime"]
except:
image_time = p["IsisCube"]["Instrument"]["StartTime"]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
if type(image_time) != datetime.datetime:
image_time = datetime.datetime.strptime(image_time,
'%Y-%m-%dT%H:%M:%S.%f')
#image_time = datetime.datetime.strptime(image_time, '%Y-%jT%H:%M:%S.%fZ') # 2017-138T20:28:12.342Z -- Cassini
return image_time
def get_target(file_name):
p = load_pvl(file_name, verbose=False)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
return p["TARGET_NAME"].replace(" ", "_")
elif file_name[-3:].upper() in ("CUB", ):
return p["IsisCube"]["Instrument"]["TargetName"].upper()
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
def get_spacecraft_name(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
return p["SPACECRAFT_NAME"]
elif file_name[-3:].upper() in ("CUB", ):
return p["IsisCube"]["Instrument"]["SpacecraftName"]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
def get_sample_bits(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
return p["IMAGE"]["SAMPLE_BITS"]
elif file_name[-3:].upper() in ("CUB", ):
return 32 # Note: Don't assume this, Kevin. Use the byte type field
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
def get_num_lines(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
if "NL" in p:
return p["NL"]
else:
return p["IMAGE"]["LINE_SAMPLES"]
elif file_name[-3:].upper() in ("CUB", ):
return p["IsisCube"]["Core"]["Dimensions"]["Lines"]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
def get_instrument_id(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
if "INSTRUMENT_ID" in p:
return p["INSTRUMENT_ID"]
elif "INSTRUMENT_NAME" in p:
return p["INSTRUMENT_NAME"]
elif file_name[-3:].upper() in ("CUB", ):
return p["IsisCube"]["Instrument"]["InstrumentId"]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
def get_product_id(file_name):
p = load_pvl(file_name)
pid = None
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
if "PRODUCT_ID" in p:
pid = p["PRODUCT_ID"]
elif "IMAGE_ID" in p:
pid = p["IMAGE_ID"]
elif file_name[-3:].upper() in ("CUB", ):
pid = p["IsisCube"]["Archive"]["ProductId"]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
if type(pid) == str or type(pid) == unicode:
pid = pid.replace("+", "_")
return pid
def is_supported_file(file_name):
try:
if file_name[-3:].upper() in ("LBL", "BEL"):
p = load_pvl(file_name)
if "INSTRUMENT_HOST_NAME" in p:
instument_host_name = p["INSTRUMENT_HOST_NAME"]
return instument_host_name == "CASSINI ORBITER"
else:
return False
elif file_name[-3:].upper() == "CUB":
value = info.get_field_value(file_name,
"SpacecraftName",
grpname="Instrument")
return value == "Cassini-Huygens"
else:
return False
except:
return False
def get_filters(file_name):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
filters = p["FILTER_NAME"]
pattern = re.compile(r"^(?P<f1>[A-Z0-9]*)\, (?P<f2>[A-Z0-9]*)")
elif file_name[-3:].upper() in ("CUB", ):
filters = p["IsisCube"]["BandBin"]["FilterName"]
pattern = re.compile(r"^(?P<f1>[A-Z0-9]*)/(?P<f2>[A-Z0-9]*)")
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)
if type(filters) == list:
return filters
match = pattern.match(filters)
if match is not None:
filter1 = match.group("f1")
filter2 = match.group("f2")
else:
filter1 = filter2 = filters
return filter1, filter2
def get_property(file_name, prop):
p = load_pvl(file_name)
if file_name[-3:].upper() in LABEL_FILE_EXTENSIONS:
return p[prop]
else:
raise Exception(__UNSUPPORTED_UNRECOGNIZED__)