def parse(self):
'''
The parse method for the landsat instance needs two different sources of
metadata. The first source is the usual local file, using this, further
information is obtained, and a request to the usgs server is created.
The response is then parsed into a new dictionary.
'''
metadata = open(self.filepath, 'r')
group_dictionary = {}
groups = {}
stack = []
LOGGER.debug('File: %s will be parsed as Landsat metadata file.', self.filepath)
for line in metadata.readlines():
if '=' in line:
key, value = line.split('=')
if key.lower().strip() == 'group':
stack.append(value.strip())
# put_in_dictionary(groups, stack, {})
elif key.lower().strip() == 'end_group':
if group_dictionary:
put_in_dictionary(groups, stack, group_dictionary)
stack.pop()
group_dictionary = {}
else:
group_dictionary[key.strip()] = parse_value(value.strip())
metadata.close()
self.metadata = groups
LOGGER.debug('File metadata has been parsed.')
path = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'WRS_PATH'
])
row = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'WRS_ROW'
])
sensor = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'SENSOR_ID'
])
acquisition_date = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'DATE_ACQUIRED']
)
self.usgs_metadata = {}
try:
request = _get_usgs_metadata(path, row, sensor, acquisition_date)
document = dom.parseString(request.text)
stack = []
_xml_to_json(document.documentElement, stack, self.usgs_metadata)
LOGGER.debug('USGS metadata has been parsed.')
except:
LOGGER.error('USGS metadata was not received.')
def parse(self):
'''
The parse method for the landsat instance needs two different sources of
metadata. The first source is the usual local file, using this, further
information is obtained, and a request to the usgs server is created.
The response is then parsed into a new dictionary.
'''
metadata = open(self.filepath, 'r')
group_dictionary = {}
groups = {}
stack = []
LOGGER.debug('File: %s will be parsed as Landsat metadata file.', self.filepath)
for line in metadata.readlines():
if "=" in line:
key, value = line.split('=')
if key.lower().strip() == 'group':
stack.append(value.strip())
# put_in_dictionary(groups, stack, {})
elif key.lower().strip() == 'end_group':
if group_dictionary:
put_in_dictionary(groups, stack, group_dictionary)
stack.pop()
group_dictionary = {}
else:
group_dictionary[key.strip()] = parse_value(value.strip())
metadata.close()
self.metadata = groups
LOGGER.debug('File metadata has been parsed.')
path = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'WRS_PATH'
])
row = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'WRS_ROW'
])
sensor = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'SENSOR_ID'
])
acquisition_date = self.get_attribute([
'L1_METADATA_FILE',
'PRODUCT_METADATA',
'DATE_ACQUIRED']
)
request = _get_usgs_metadata(path, row, sensor, acquisition_date)
document = dom.parseString(request.text)
stack = []
self.usgs_metadata = {}
_xml_to_json(document.documentElement, stack, self.usgs_metadata)
LOGGER.debug('USGS metadata has been parsed.')
def _landsat_parse_value(value):
'''
This method overrides functionality of parse value to add harmonizer process.
'''
return parse_value(_landsat_harmonizer(value))
def _landsat_parse_value(value):
'''
This method overrides functionality of parse value to add harmonizer process.
'''
return parse_value(_landsat_harmonizer(value))