def decode_browse_report(browse_report_elem):
""" Parsing function to return a BrowseReport object from an
ElementTree.Element node.
"""
logger.info("Start parsing browse report.")
try:
browse_report_elem = browse_report_elem.getroot()
except AttributeError:
pass
expected_tags = ns_bsi("ingestBrowse"), ns_rep("browseReport"), ns_rep_old(
"browseReport")
if browse_report_elem.tag not in expected_tags:
raise DecodingException(
"Invalid root tag '%s'. Expected one of '%s'." %
(browse_report_elem.tag, expected_tags))
if browse_report_elem.find(ns_rep_old("browseType")) is not None:
ns = ns_rep_old
else:
ns = ns_rep
browse_report_decoder = XMLDecoder(
{
"date_time": ("rep:dateTime/text()", getDateTime),
"browse_type":
"rep:browseType/text()",
"responsible_org_name":
"rep:responsibleOrgName/text()",
"browses":
("rep:browse", lambda browse: decode_browse(browse, ns), "*")
}, {"rep": ns.uri})
browse_report = data.BrowseReport(
**browse_report_decoder.decode(browse_report_elem))
logger.info("Finished decoding browse report.")
return browse_report
def decode_browse_report(browse_report_elem):
""" Parsing function to return a BrowseReport object from an
ElementTree.Element node.
"""
logger.info("Start parsing browse report.")
try:
browse_report_elem = browse_report_elem.getroot()
except AttributeError:
pass
expected_tags = ns_bsi("ingestBrowse"), ns_rep("browseReport"), ns_rep_old("browseReport")
if browse_report_elem.tag not in expected_tags:
raise DecodingException("Invalid root tag '%s'. Expected one of '%s'."
% (browse_report_elem.tag, expected_tags))
if browse_report_elem.find(ns_rep_old("browseType")) is not None:
ns = ns_rep_old
else:
ns = ns_rep
browse_report_decoder = XMLDecoder({
"date_time": ("rep:dateTime/text()", getDateTime),
"browse_type": "rep:browseType/text()",
"responsible_org_name": "rep:responsibleOrgName/text()",
"browses": ("rep:browse", lambda browse: decode_browse(browse, ns), "*")
}, {"rep": ns.uri})
browse_report = data.BrowseReport(
**browse_report_decoder.decode(browse_report_elem)
)
logger.info("Finished decoding browse report.")
return browse_report
def decode_browse(browse_elem, ns):
""" Parsing function to return a Browse object from an ElementTree.Element
node.
"""
browse_decoder = XMLDecoder({
"browse_identifier": ("rep:browseIdentifier/text()", str, "?"),
"file_name": "rep:fileName/text()",
"image_type": "rep:imageType/text()",
"reference_system_identifier": "rep:referenceSystemIdentifier/text()",
"start_time": ("rep:startTime/text()", getDateTime),
"end_time": ("rep:endTime/text()", getDateTime),
}, {"rep": ns.uri})
# general args
kwargs = browse_decoder.decode(browse_elem)
browse_identifier = browse_elem.find(ns("browseIdentifier"))
if browse_identifier is not None:
kwargs["browse_identifier"] = browse_identifier.text
# allow spaces in reference_system_identifier e.g. "EPSG: 4326"
# work-around for ESA's Landsat data
kwargs['reference_system_identifier'] = kwargs['reference_system_identifier'].replace(" ", "")
# check type of geo reference
rectified_browse = browse_elem.find(ns("rectifiedBrowse"))
footprint = browse_elem.find(ns("footprint"))
regular_grid = browse_elem.find(ns("regularGrid"))
model_in_geotiff = browse_elem.find(ns("modelInGeotiff"))
vertical_curtain_footprint = browse_elem.find(ns("verticalCurtainFootprint"))
rectified_decoder = XMLDecoder({
"coord_list": "rep:coordList/text()",
}, {"rep": ns.uri})
footprint_decoder = XMLDecoder({
"node_number": ("@nodeNumber", int),
"col_row_list": "rep:colRowList/text()",
"coord_list": "rep:coordList/text()"
}, {"rep": ns.uri})
regular_grid_decoder = XMLDecoder({
"col_node_number": ("rep:colNodeNumber/text()", int),
"row_node_number": ("rep:rowNodeNumber/text()", int),
"col_step": ("rep:colStep/text()", float),
"row_step": ("rep:rowStep/text()", float),
"coord_lists": ("rep:coordList/text()", str, "+")
}, {"rep": ns.uri})
if rectified_browse is not None:
logger.info("Parsing Rectified Browse.")
kwargs.update(rectified_decoder.decode(rectified_browse))
return data.RectifiedBrowse(**kwargs)
elif footprint is not None:
logger.info("Parsing Footprint Browse.")
kwargs.update(footprint_decoder.decode(footprint))
return data.FootprintBrowse(**kwargs)
elif regular_grid is not None:
logger.info("Parsing Regular Grid Browse.")
kwargs.update(regular_grid_decoder.decode(regular_grid))
return data.RegularGridBrowse(**kwargs)
elif model_in_geotiff is not None:
logger.info("Parsing GeoTIFF Browse.")
return data.ModelInGeotiffBrowse(**kwargs)
elif vertical_curtain_footprint is not None:
logger.info("Parsing Vertical Curtain Browse.")
return data.VerticalCurtainBrowse(**kwargs)
else:
raise DecodingException("Missing geo-spatial reference type.")
def decode_browse(browse_elem, ns):
""" Parsing function to return a Browse object from an ElementTree.Element
node.
"""
browse_decoder = XMLDecoder(
{
"browse_identifier": ("rep:browseIdentifier/text()", str, "?"),
"file_name": "rep:fileName/text()",
"image_type": "rep:imageType/text()",
"reference_system_identifier":
"rep:referenceSystemIdentifier/text()",
"start_time": ("rep:startTime/text()", getDateTime),
"end_time": ("rep:endTime/text()", getDateTime),
}, {"rep": ns.uri})
# general args
kwargs = browse_decoder.decode(browse_elem)
browse_identifier = browse_elem.find(ns("browseIdentifier"))
if browse_identifier is not None:
kwargs["browse_identifier"] = browse_identifier.text
# allow spaces in reference_system_identifier e.g. "EPSG: 4326"
# work-around for ESA's Landsat data
kwargs['reference_system_identifier'] = kwargs[
'reference_system_identifier'].replace(" ", "")
# check type of geo reference
rectified_browse = browse_elem.find(ns("rectifiedBrowse"))
footprint = browse_elem.find(ns("footprint"))
regular_grid = browse_elem.find(ns("regularGrid"))
model_in_geotiff = browse_elem.find(ns("modelInGeotiff"))
vertical_curtain_footprint = browse_elem.find(
ns("verticalCurtainFootprint"))
rectified_decoder = XMLDecoder({
"coord_list": "rep:coordList/text()",
}, {"rep": ns.uri})
footprint_decoder = XMLDecoder(
{
"node_number": ("@nodeNumber", int),
"col_row_list": "rep:colRowList/text()",
"coord_list": "rep:coordList/text()"
}, {"rep": ns.uri})
regular_grid_decoder = XMLDecoder(
{
"col_node_number": ("rep:colNodeNumber/text()", int),
"row_node_number": ("rep:rowNodeNumber/text()", int),
"col_step": ("rep:colStep/text()", float),
"row_step": ("rep:rowStep/text()", float),
"coord_lists": ("rep:coordList/text()", str, "+")
}, {"rep": ns.uri})
if rectified_browse is not None:
logger.info("Parsing Rectified Browse.")
kwargs.update(rectified_decoder.decode(rectified_browse))
return data.RectifiedBrowse(**kwargs)
elif footprint is not None:
logger.info("Parsing Footprint Browse.")
kwargs.update(footprint_decoder.decode(footprint))
return data.FootprintBrowse(**kwargs)
elif regular_grid is not None:
logger.info("Parsing Regular Grid Browse.")
kwargs.update(regular_grid_decoder.decode(regular_grid))
return data.RegularGridBrowse(**kwargs)
elif model_in_geotiff is not None:
logger.info("Parsing GeoTIFF Browse.")
return data.ModelInGeotiffBrowse(**kwargs)
elif vertical_curtain_footprint is not None:
logger.info("Parsing Vertical Curtain Browse.")
return data.VerticalCurtainBrowse(**kwargs)
else:
raise DecodingException("Missing geo-spatial reference type.")
return browse_layers
browse_layer_decoder = XMLDecoder(
{
"browse_layer_identifier":
"@browseLayerId",
"browse_type":
"cfg:browseType/text()",
"title":
"cfg:title/text()",
"description": ("cfg:title/text()", str, "?"),
"browse_access_policy":
"cfg:browseAccessPolicy/text()",
"related_dataset_ids":
("cfg:relatedDatasetIds/cfg:datasetId/text()", str, "*"),
"contains_vertical_curtains":
("cfg:containsVerticalCurtains", lambda v: v == "true"),
"r_band": ("cfg:rgbBands/text()", lambda v: int(v.split(",")[0])),
"g_band": ("cfg:rgbBands/text()", lambda v: int(v.split(",")[1])),
"b_band": ("cfg:rgbBands/text()", lambda v: int(v.split(",")[2])),
"radiometric_interval_min":
("cfg:radiometricInterval/cfg:min/text()", int),
"radiometric_interval_max":
("cfg:radiometricInterval/cfg:max/text()", int),
"highest_map_level": ("cfg:highestMapLevel/text()", int),
"lowest_map_level": ("cfg:lowestMapLevel/text()", int),
"lowest_map_level":
"cfg:grid/text()",
}, {"cfg": ns_cfg.uri})
