def save_step(user, layer, spatial_files, overwrite=True,
mosaic=False,
append_to_mosaic_opts=None, append_to_mosaic_name=None,
mosaic_time_regex=None, mosaic_time_value=None,
time_presentation=None, time_presentation_res=None,
time_presentation_default_value=None, time_presentation_reference_value=None):
_log('Uploading layer: [%s], files [%s]', layer, spatial_files)
if len(spatial_files) > 1:
# we only support more than one file if they're rasters for mosaicing
if not all(
[f.file_type.layer_type == 'coverage' for f in spatial_files]):
raise UploadException(
"Please upload only one type of file at a time")
name = get_valid_layer_name(layer, overwrite)
_log('Name for layer: [%s]', name)
if not spatial_files:
raise UploadException("Unable to recognize the uploaded file(s)")
the_layer_type = spatial_files[0].file_type.layer_type
# Check if the store exists in geoserver
try:
store = gs_catalog.get_store(name)
except geoserver.catalog.FailedRequestError as e:
# There is no store, ergo the road is clear
pass
else:
# If we get a store, we do the following:
resources = store.get_resources()
# Is it empty?
if len(resources) == 0:
# What should we do about that empty store?
if overwrite:
# We can just delete it and recreate it later.
store.delete()
else:
msg = (
'The layer exists and the overwrite parameter is %s' %
overwrite)
raise GeoNodeException(msg)
else:
# If our resource is already configured in the store it
# needs to have the right resource type
for resource in resources:
if resource.name == name:
assert overwrite, "Name already in use and overwrite is False"
existing_type = resource.resource_type
if existing_type != the_layer_type:
msg = (
'Type of uploaded file %s (%s) does not match type '
'of existing resource type %s' %
(name, the_layer_type, existing_type))
_log(msg)
raise GeoNodeException(msg)
if the_layer_type not in (
FeatureType.resource_type,
Coverage.resource_type):
raise Exception(
'Expected the layer type to be a FeatureType or Coverage, not %s' %
the_layer_type)
_log('Uploading %s', the_layer_type)
error_msg = None
try:
# importer tracks ids by autoincrement but is prone to corruption
# which potentially may reset the id - hopefully prevent this...
upload_next_id = Upload.objects.all().aggregate(Max('import_id')).values()[0]
upload_next_id = upload_next_id if upload_next_id else 0
# next_id = next_id + 1 if next_id else 1
importer_sessions = gs_uploader.get_sessions()
last_importer_session = importer_sessions[len(importer_sessions)-1].id if importer_sessions else 0
next_id = max(int(last_importer_session), int(upload_next_id)) + 1
next_id = max(int(last_importer_session), int(upload_next_id)) + 1
# Truncate name to maximum length defined by the field.
max_length = Upload._meta.get_field('name').max_length
name = name[:max_length]
# save record of this whether valid or not - will help w/ debugging
upload = Upload.objects.create(
user=user,
name=name,
state=Upload.STATE_INVALID,
upload_dir=spatial_files.dirname)
# @todo settings for use_url or auto detection if geoserver is
# on same host
# Is it a regular file or an ImageMosaic?
# if mosaic_time_regex and mosaic_time_value:
if mosaic:
# we want to ingest as ImageMosaic
target_store = import_imagemosaic_granules(spatial_files, append_to_mosaic_opts, append_to_mosaic_name,
mosaic_time_regex, mosaic_time_value, time_presentation,
time_presentation_res, time_presentation_default_value,
time_presentation_reference_value)
# moving forward with a regular Importer session
import_session = gs_uploader.upload_files(
spatial_files.all_files(),
use_url=False,
import_id=next_id,
mosaic=len(spatial_files) > 1,
target_store=target_store)
upload.moasic = mosaic
upload.append_to_mosaic_opts = append_to_mosaic_opts
upload.append_to_mosaic_name = append_to_mosaic_name
upload.mosaic_time_regex = mosaic_time_regex
upload.mosaic_time_value = mosaic_time_value
else:
# moving forward with a regular Importer session
import_session = gs_uploader.upload_files(
spatial_files.all_files(),
use_url=False,
import_id=next_id,
mosaic=len(spatial_files) > 1)
upload.import_id = import_session.id
upload.save()
# any unrecognized tasks/files must be deleted or we can't proceed
import_session.delete_unrecognized_tasks()
if not import_session.tasks:
error_msg = 'No valid upload files could be found'
elif import_session.tasks[0].state == 'NO_FORMAT':
error_msg = 'There may be a problem with the data provided - ' \
'we could not identify it'
if len(import_session.tasks) > 1:
error_msg = "Only a single upload is supported at the moment"
if not error_msg and import_session.tasks:
task = import_session.tasks[0]
# single file tasks will have just a file entry
if hasattr(task, 'files'):
# @todo gsimporter - test this
if not all([hasattr(f, 'timestamp')
for f in task.source.files]):
error_msg = (
"Not all timestamps could be recognized."
"Please ensure your files contain the correct formats.")
if error_msg:
upload.state = upload.STATE_INVALID
upload.save()
# @todo once the random tmp9723481758915 type of name is not
# around, need to track the name computed above, for now, the
# target store name can be used
except Exception as e:
logger.exception('Error creating import session')
raise e
if error_msg:
raise UploadException(error_msg)
else:
_log("Finished upload of [%s] to GeoServer without errors.", name)
return import_session
def save_step(user, layer, spatial_files, overwrite=True):
_log('Uploading layer: [%s], files [%s]', layer, spatial_files)
if len(spatial_files) > 1:
# we only support more than one file if they're rasters for mosaicing
if not all(
[f.file_type.layer_type == 'coverage' for f in spatial_files]):
raise UploadException(
"Please upload only one type of file at a time")
name = get_valid_layer_name(layer, overwrite)
_log('Name for layer: [%s]', name)
if not spatial_files:
raise UploadException("Unable to recognize the uploaded file(s)")
the_layer_type = spatial_files[0].file_type.layer_type
# Check if the store exists in geoserver
try:
store = gs_catalog.get_store(name)
except geoserver.catalog.FailedRequestError as e:
# There is no store, ergo the road is clear
pass
else:
# If we get a store, we do the following:
resources = store.get_resources()
# Is it empty?
if len(resources) == 0:
# What should we do about that empty store?
if overwrite:
# We can just delete it and recreate it later.
store.delete()
else:
msg = (
'The layer exists and the overwrite parameter is %s' %
overwrite)
raise GeoNodeException(msg)
else:
# If our resource is already configured in the store it
# needs to have the right resource type
for resource in resources:
if resource.name == name:
assert overwrite, "Name already in use and overwrite is False"
existing_type = resource.resource_type
if existing_type != the_layer_type:
msg = (
'Type of uploaded file %s (%s) does not match type '
'of existing resource type %s' %
(name, the_layer_type, existing_type))
_log(msg)
raise GeoNodeException(msg)
if the_layer_type not in (
FeatureType.resource_type,
Coverage.resource_type):
raise Exception(
'Expected the layer type to be a FeatureType or Coverage, not %s' %
the_layer_type)
_log('Uploading %s', the_layer_type)
error_msg = None
try:
# importer tracks ids by autoincrement but is prone to corruption
# which potentially may reset the id - hopefully prevent this...
upload_next_id = Upload.objects.all().aggregate(Max('import_id')).values()[0]
upload_next_id = upload_next_id if upload_next_id else 0
# next_id = next_id + 1 if next_id else 1
importer_sessions = gs_uploader.get_sessions()
last_importer_session = importer_sessions[len(importer_sessions)-1].id if importer_sessions else 0
next_id = max(int(last_importer_session), int(upload_next_id)) + 1
# save record of this whether valid or not - will help w/ debugging
upload = Upload.objects.create(
user=user,
name=name,
state=Upload.STATE_INVALID,
upload_dir=spatial_files.dirname)
# @todo settings for use_url or auto detection if geoserver is
# on same host
import_session = gs_uploader.upload_files(
spatial_files.all_files(),
use_url=False,
import_id=next_id,
mosaic=len(spatial_files) > 1)
upload.import_id = import_session.id
upload.save()
# any unrecognized tasks/files must be deleted or we can't proceed
import_session.delete_unrecognized_tasks()
if not import_session.tasks:
error_msg = 'No valid upload files could be found'
elif import_session.tasks[0].state == 'NO_FORMAT':
error_msg = 'There may be a problem with the data provided - ' \
'we could not identify it'
if len(import_session.tasks) > 1:
error_msg = "Only a single upload is supported at the moment"
if not error_msg and import_session.tasks:
task = import_session.tasks[0]
# single file tasks will have just a file entry
if hasattr(task, 'files'):
# @todo gsimporter - test this
if not all([hasattr(f, 'timestamp')
for f in task.source.files]):
error_msg = (
"Not all timestamps could be recognized."
"Please ensure your files contain the correct formats.")
if error_msg:
upload.state = upload.STATE_INVALID
upload.save()
# @todo once the random tmp9723481758915 type of name is not
# around, need to track the name computed above, for now, the
# target store name can be used
except Exception as e:
logger.exception('Error creating import session')
raise e
if error_msg:
raise UploadException(error_msg)
else:
_log("Finished upload of [%s] to GeoServer without errors.", name)
return import_session