def metadata_synch(self, component_id, changes):
# get xmp
# the filename is needed because the extension is unknown, the following line of code is
# tmp code because c.ID will include extension file (not only basename)
# in the new MediaDART release
try:
myxmpfilename = str(self._fc.abspath(component_id))
except Exception, err:
log.error("Found some problems getting filename: %s" % err)
try:
prefix = xmp.get_prefix_for_namespace(str(ns))
except XMPError, err:
log.debug("Error in get_prefix_for namespace: %s" % str(ns))
if prefix == None:
# prefix does not exist so it must be created
try:
log.debug("%s %s" % (str(ns), str(changes[ns]["prefix"])))
res = xmp.register_namespace(str(ns), str(changes[ns]["prefix"])) # CHANGE ME
except XMPError, err:
log.error("Error in register_namespace: %s" % err)
for i in changes[ns]["fields"].keys():
try:
property_exists = xmp.does_property_exist(str(ns), str(i))
except XMPError, err:
log.error("Error in does_property_exist: %s" % err)
if changes[ns]["fields"][i]["is_array"] == "not_array":
if changes[ns]["fields"][i]["xpath"] != []: # so it is a structure
if property_exists == False:
# if it is a structure and the property does not exist,
# it must be created, otherwise, it will not be set.
try:
res = xmp.set_property(
str(ns), str(i), "", prop_value_is_struct=XMP_PROP_VALUE_IS_STRUCT
)
except XMPError, err:
log.error("XMPError in set_property in case of structure: %s " % err)
except Exception, err:
log.error("Error in set_property in case of structure: %s " % err)
for index, elem in enumerate(changes[ns]["fields"][i]["value"]):
cleaned_xpath = re.sub(r"\[.\]", "", str(changes[ns]["fields"][i]["xpath"][index]))
def log_err(failure):
log.error('Error in sending update notifications: %s' % str(failure))
