/
upload.py
950 lines (815 loc) · 34.5 KB
/
upload.py
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# -*- coding: utf-8 -*-
#########################################################################
#
# Copyright (C) 2016 OSGeo
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#########################################################################
"""
Provide views and business logic of doing an upload.
The upload process may be multi step so views are all handled internally here
by the view function.
The pattern to support separation of view/logic is each step in the upload
process is suffixed with "_step". The view for that step is suffixed with
"_step_view". The goal of separation of view/logic is to support various
programmatic uses of this API. The logic steps should not accept request objects
or return response objects.
State is stored in a UploaderSession object stored in the user's session.
This needs to be made more stateful by adding a model.
"""
import logging
import os.path
import shutil
import uuid
import zipfile
import traceback
from django.conf import settings
from django.db.models import Max
from django.core.files import File
from django.contrib.auth import get_user_model
import geoserver
from geoserver.resource import Coverage
from geoserver.resource import FeatureType
from gsimporter import BadRequest
from geonode import GeoNodeException
from geonode.upload import UploadException, LayerNotReady
from geonode.base.models import SpatialRepresentationType, TopicCategory
from ..people.utils import get_default_user
from ..layers.models import Layer, UploadSession
from ..layers.metadata import set_metadata
from ..layers.utils import get_valid_layer_name, resolve_regions
from ..geoserver.helpers import (set_time_info,
set_layer_style,
gs_catalog,
gs_uploader)
from . import signals
from . import utils
from .models import Upload
from .upload_preprocessing import preprocess_files
logger = logging.getLogger(__name__)
def _log(msg, *args):
logger.debug(msg, *args)
class UploaderSession(object):
"""All objects held must be able to survive a good pickling"""
# the gsimporter session object
import_session = None
# if provided, this file will be uploaded to geoserver and set as
# the default
import_sld_file = None
# location of any temporary uploaded files
tempdir = None
# the main uploaded file, zip, shp, tif, etc.
base_file = None
# the name to try to give the layer
name = None
# blob of permissions JSON
permissions = None
# store most recently configured time transforms to support deleting
time_transforms = None
# defaults to REPLACE if not provided. Accepts APPEND, too
update_mode = None
# Import to GeoGig repository
geogig = None
# GeoGig Repository to import to
geogig_store = None
# Configure Time for this Layer
time = None
# the title given to the layer
layer_title = None
# the abstract
layer_abstract = None
# track the most recently completed upload step
completed_step = None
# track the most recently completed upload step
error_msg = None
# the upload type - see the _pages dict in views
upload_type = None
# time related info - need to store here until geoserver layer exists
time_info = None
# whether the user has selected a time dimension for ImageMosaic granules
# or not
mosaic = None
append_to_mosaic_opts = None
append_to_mosaic_name = None
mosaic_time_regex = None
mosaic_time_value = None
# the user who started this upload session
user = None
def __init__(self, **kw):
for k, v in kw.items():
if hasattr(self, k):
setattr(self, k, v)
else:
raise Exception('not handled : %s' % k)
def cleanup(self):
"""do what we should at the given state of the upload"""
pass
def upload(
name,
base_file,
user=None,
time_attribute=None,
time_transform_type=None,
end_time_attribute=None,
end_time_transform_type=None,
presentation_strategy=None,
precision_value=None,
precision_step=None,
use_big_date=False,
overwrite=False,
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):
if user is None:
user = get_default_user()
if isinstance(user, basestring):
user = get_user_model().objects.get(username=user)
import_session = save_step(
user,
name,
base_file,
overwrite,
mosaic=mosaic,
append_to_mosaic_opts=append_to_mosaic_opts,
append_to_mosaic_name=append_to_mosaic_name,
mosaic_time_regex=mosaic_time_regex,
mosaic_time_value=mosaic_time_value,
time_presentation=time_presentation,
time_presentation_res=time_presentation_res,
time_presentation_default_value=time_presentation_default_value,
time_presentation_reference_value=time_presentation_reference_value)
upload_session = UploaderSession(
base_file=base_file,
name=name,
import_session=import_session,
layer_abstract="",
layer_title=name,
permissions=None,
mosaic=mosaic,
append_to_mosaic_opts=append_to_mosaic_opts,
append_to_mosaic_name=append_to_mosaic_name,
mosaic_time_regex=mosaic_time_regex,
mosaic_time_value=mosaic_time_value
)
time_step(upload_session,
time_attribute, time_transform_type,
presentation_strategy, precision_value, precision_step,
end_time_attribute=end_time_attribute,
end_time_transform_type=end_time_transform_type,
time_format=None, srs=None, use_big_date=use_big_date)
utils.run_import(upload_session, async=False)
final_step(upload_session, user)
def _get_next_id():
# 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
return next_id
def _check_geoserver_store(store_name, layer_type, overwrite):
"""Check if the store exists in geoserver"""
try:
store = gs_catalog.get_store(store_name)
except geoserver.catalog.FailedRequestError:
pass # There is no store, ergo the road is clear
else:
if store:
resources = store.get_resources()
if len(resources) == 0:
if overwrite:
logger.debug("Deleting previously existing store")
store.delete()
else:
raise GeoNodeException("Layer already exists")
else:
for resource in resources:
if resource.name == store_name:
if not overwrite:
raise GeoNodeException(
"Name already in use and overwrite is False")
existing_type = resource.resource_type
if existing_type != layer_type:
msg = ("Type of uploaded file {} ({}) does not "
"match type of existing resource type "
"{}".format(store_name, layer_type,
existing_type))
logger.error(msg)
raise GeoNodeException(msg)
def _get_layer_type(spatial_files):
if spatial_files.archive is not None:
the_layer_type = FeatureType.resource_type
else:
the_layer_type = spatial_files[0].file_type.layer_type
return the_layer_type
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):
logger.debug(
'Uploading layer: {}, files {!r}'.format(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)
logger.debug('Name for layer: {!r}'.format(name))
if not any(spatial_files.all_files()):
raise UploadException("Unable to recognize the uploaded file(s)")
the_layer_type = _get_layer_type(spatial_files)
_check_geoserver_store(name, the_layer_type, overwrite)
if the_layer_type not in (
FeatureType.resource_type,
Coverage.resource_type):
raise RuntimeError("Expected layer type to FeatureType or "
"Coverage, not {}".format(the_layer_type))
files_to_upload = preprocess_files(spatial_files)
logger.debug("files_to_upload: {}".format(files_to_upload))
logger.debug('Uploading {}'.format(the_layer_type))
error_msg = None
try:
next_id = _get_next_id()
# 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, files_to_upload = utils.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)
upload.mosaic = 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
# moving forward with a regular Importer session
if len(files_to_upload) > 1:
import_session = gs_uploader.upload_files(
files_to_upload[1:],
use_url=False,
# import_id=next_id,
target_store=target_store
)
else:
import_session = gs_uploader.upload_files(
files_to_upload,
use_url=False,
# import_id=next_id,
target_store=target_store
)
next_id = import_session.id if import_session else None
if not next_id:
error_msg = 'No valid Importer Session could be found'
else:
# moving forward with a regular Importer session
import_session = gs_uploader.upload_files(
files_to_upload,
use_url=False,
import_id=next_id,
mosaic=False,
target_store=None
)
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 mosaic:
if not import_session.tasks:
error_msg = 'No valid upload files could be found'
if import_session.tasks:
if import_session.tasks[0].state == 'NO_FORMAT' \
or import_session.tasks[0].state == 'BAD_FORMAT':
error_msg = 'There may be a problem with the data provided - ' \
'we could not identify its format'
if not mosaic and 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 BaseException as e:
tb = traceback.format_exc()
logger.debug(tb)
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 time_step(upload_session, time_attribute, time_transform_type,
presentation_strategy, precision_value, precision_step,
end_time_attribute=None,
end_time_transform_type=None,
end_time_format=None,
time_format=None):
'''
time_attribute - name of attribute to use as time
time_transform_type - name of transform. either
DateFormatTransform or IntegerFieldToDateTransform
time_format - optional string format
end_time_attribute - optional name of attribute to use as end time
end_time_transform_type - optional name of transform. either
DateFormatTransform or IntegerFieldToDateTransform
end_time_format - optional string format
presentation_strategy - LIST, DISCRETE_INTERVAL, CONTINUOUS_INTERVAL
precision_value - number
precision_step - year, month, day, week, etc.
'''
transforms = []
def build_time_transform(att, type, format, end_time_attribute, presentation_strategy):
trans = {'type': type, 'field': att}
if format:
trans['format'] = format
if end_time_attribute:
trans['enddate'] = end_time_attribute
if presentation_strategy:
trans['presentation'] = presentation_strategy
return trans
def build_att_remap_transform(att):
# @todo the target is so ugly it should be obvious
return {'type': 'AttributeRemapTransform',
'field': att,
'target': 'org.geotools.data.postgis.PostGISDialect$XDate'}
use_big_date = getattr(
settings,
'USE_BIG_DATE',
False) and not upload_session.geogig
if time_attribute:
if time_transform_type:
transforms.append(
build_time_transform(
time_attribute,
time_transform_type,
time_format,
end_time_attribute,
presentation_strategy
)
)
# this must go after the remapping transform to ensure the
# type change is applied
if use_big_date:
transforms.append(build_att_remap_transform(time_attribute))
if end_time_attribute:
transforms.append(
build_att_remap_transform(end_time_attribute)
)
transforms.append({
'type': 'CreateIndexTransform',
'field': time_attribute
})
# the time_info will be used in the last step to configure the
# layer in geoserver - the dict matches the arguments of the
# set_time_info helper function
upload_session.time_info = dict(
attribute=time_attribute,
end_attribute=end_time_attribute,
presentation=presentation_strategy,
precision_value=precision_value,
precision_step=precision_step
)
if upload_session.time_transforms:
upload_session.import_session.tasks[0].remove_transforms(
upload_session.time_transforms
)
if transforms:
logger.debug('Setting transforms %s' % transforms)
upload_session.import_session.tasks[0].add_transforms(transforms)
try:
upload_session.time_transforms = transforms
upload_session.time = True
except BadRequest as br:
raise UploadException.from_exc('Error configuring time:', br)
upload_session.import_session.tasks[0].save_transforms()
else:
upload_session.time = False
def csv_step(upload_session, lat_field, lng_field):
import_session = upload_session.import_session
task = import_session.tasks[0]
transform = {'type': 'AttributesToPointGeometryTransform',
'latField': lat_field,
'lngField': lng_field,
}
task.remove_transforms([transform], by_field='type', save=False)
task.add_transforms([transform], save=False)
task.save_transforms()
import_session = import_session.reload()
upload_session.import_session = import_session
def srs_step(upload_session, source, target):
import_session = upload_session.import_session
task = import_session.tasks[0]
if source:
logger.debug('Setting SRS to %s', source)
task.set_srs(source)
transform = {'type': 'ReprojectTransform',
'source': source,
'target': target,
}
task.remove_transforms([transform], by_field='type', save=False)
task.add_transforms([transform], save=False)
task.save_transforms()
import_session = import_session.reload()
upload_session.import_session = import_session
def final_step(upload_session, user):
from geonode.geoserver.helpers import get_sld_for
import_session = upload_session.import_session
_log('Reloading session %s to check validity', import_session.id)
import_session = import_session.reload()
upload_session.import_session = import_session
# the importer chooses an available featuretype name late in the game need
# to verify the resource.name otherwise things will fail. This happens
# when the same data is uploaded a second time and the default name is
# chosen
cat = gs_catalog
cat._cache.clear()
# Create the style and assign it to the created resource
# FIXME: Put this in gsconfig.py
task = import_session.tasks[0]
# @todo see above in save_step, regarding computed unique name
name = task.layer.name
_log('Getting from catalog [%s]', name)
publishing = cat.get_layer(name)
if import_session.state == 'INCOMPLETE':
if task.state != 'ERROR':
raise Exception('unknown item state: %s' % task.state)
elif import_session.state == 'READY':
import_session.commit()
elif import_session.state == 'PENDING':
if task.state == 'READY':
# if not task.data.format or task.data.format != 'Shapefile':
import_session.commit()
if not publishing:
raise LayerNotReady(
"Expected to find layer named '%s' in geoserver" %
name)
_log('Creating style for [%s]', name)
# get_files will not find the sld if it doesn't match the base name
# so we've worked around that in the view - if provided, it will be here
if upload_session.import_sld_file:
_log('using provided sld file')
base_file = upload_session.base_file
sld_file = base_file[0].sld_files[0]
f = None
if os.path.isfile(sld_file):
try:
f = open(sld_file, 'r')
except BaseException:
pass
elif upload_session.tempdir and os.path.exists(upload_session.tempdir):
tempdir = upload_session.tempdir
if os.path.isfile(os.path.join(tempdir, sld_file)):
try:
f = open(os.path.join(tempdir, sld_file), 'r')
except BaseException:
pass
if f:
sld = f.read()
f.close()
else:
sld = get_sld_for(cat, publishing)
else:
sld = get_sld_for(cat, publishing)
style = None
if sld is not None:
try:
cat.create_style(
name,
sld,
raw=True,
workspace=settings.DEFAULT_WORKSPACE)
except geoserver.catalog.ConflictingDataError as e:
msg = 'There was already a style named %s in GeoServer, try using another name: "%s"' % (
name, str(e))
try:
cat.create_style(
name + '_layer',
sld,
raw=True,
workspace=settings.DEFAULT_WORKSPACE)
except geoserver.catalog.ConflictingDataError as e:
msg = 'There was already a style named %s in GeoServer, cannot overwrite: "%s"' % (
name, str(e))
logger.error(msg)
e.args = (msg,)
if style is None:
try:
style = cat.get_style(
name, workspace=settings.DEFAULT_WORKSPACE) or cat.get_style(name)
except BaseException:
logger.warn('Could not retreive the Layer default Style name')
# what are we doing with this var?
msg = 'No style could be created for the layer, falling back to POINT default one'
try:
style = cat.get_style(name + '_layer', workspace=settings.DEFAULT_WORKSPACE) or \
cat.get_style(name + '_layer')
except BaseException:
style = cat.get_style('point')
logger.warn(msg)
e.args = (msg,)
if style:
publishing.default_style = style
_log('default style set to %s', name)
cat.save(publishing)
_log('Creating Django record for [%s]', name)
target = task.target
alternate = task.get_target_layer_name()
layer_uuid = str(uuid.uuid1())
title = upload_session.layer_title
abstract = upload_session.layer_abstract
# @todo hacking - any cached layers might cause problems (maybe
# delete hook on layer should fix this?)
cat._cache.clear()
# Is it a regular file or an ImageMosaic?
# if upload_session.mosaic_time_regex and upload_session.mosaic_time_value:
if upload_session.mosaic:
import pytz
import datetime
from geonode.layers.models import TIME_REGEX_FORMAT
# llbbox = publishing.resource.latlon_bbox
start = None
end = None
if upload_session.mosaic_time_regex and upload_session.mosaic_time_value:
has_time = True
start = datetime.datetime.strptime(upload_session.mosaic_time_value,
TIME_REGEX_FORMAT[upload_session.mosaic_time_regex])
start = pytz.utc.localize(start, is_dst=False)
end = start
else:
has_time = False
if not upload_session.append_to_mosaic_opts:
saved_layer, created = Layer.objects.get_or_create(
name=task.layer.name,
defaults=dict(store=target.name,
storeType=target.store_type,
alternate=alternate,
workspace=target.workspace_name,
title=title,
uuid=layer_uuid,
abstract=abstract or '',
owner=user,),
temporal_extent_start=start,
temporal_extent_end=end,
is_mosaic=True,
has_time=has_time,
has_elevation=False,
time_regex=upload_session.mosaic_time_regex
)
else:
# saved_layer = Layer.objects.filter(name=upload_session.append_to_mosaic_name)
# created = False
saved_layer, created = Layer.objects.get_or_create(
name=upload_session.append_to_mosaic_name)
try:
if saved_layer.temporal_extent_start and end:
if pytz.utc.localize(
saved_layer.temporal_extent_start,
is_dst=False) < end:
saved_layer.temporal_extent_end = end
Layer.objects.filter(
name=upload_session.append_to_mosaic_name).update(
temporal_extent_end=end)
else:
saved_layer.temporal_extent_start = end
Layer.objects.filter(
name=upload_session.append_to_mosaic_name).update(
temporal_extent_start=end)
except Exception as e:
_log(
'There was an error updating the mosaic temporal extent: ' +
str(e))
else:
_has_time = (True if upload_session.time and upload_session.time_info and
upload_session.time_transforms else False)
saved_layer, created = Layer.objects.get_or_create(
name=task.layer.name,
defaults=dict(store=target.name,
storeType=target.store_type,
alternate=alternate,
workspace=target.workspace_name,
title=title,
uuid=layer_uuid,
abstract=abstract or '',
owner=user,),
has_time=_has_time
)
# Should we throw a clearer error here?
assert saved_layer is not None
# Create a new upload session
geonode_upload_session = UploadSession.objects.create(resource=saved_layer, user=user)
# Add them to the upload session (new file fields are created).
assigned_name = None
def _store_file(saved_layer,
geonode_upload_session,
base_file,
assigned_name,
base=False):
with open(base_file, 'rb') as f:
file_name, type_name = os.path.splitext(os.path.basename(base_file))
geonode_upload_session.layerfile_set.create(
name=file_name,
base=base,
file=File(
f, name='%s%s' %
(assigned_name or saved_layer.name, type_name)))
# save the system assigned name for the remaining files
if not assigned_name:
the_file = geonode_upload_session.layerfile_set.all()[0].file.name
assigned_name = os.path.splitext(os.path.basename(the_file))[0]
return assigned_name
if upload_session.base_file:
uploaded_files = upload_session.base_file[0]
base_file = uploaded_files.base_file
aux_files = uploaded_files.auxillary_files
sld_files = uploaded_files.sld_files
xml_files = uploaded_files.xml_files
assigned_name = _store_file(saved_layer,
geonode_upload_session,
base_file,
assigned_name,
base=True)
for _f in aux_files:
_store_file(saved_layer,
geonode_upload_session,
_f,
assigned_name)
for _f in sld_files:
_store_file(saved_layer,
geonode_upload_session,
_f,
assigned_name)
for _f in xml_files:
_store_file(saved_layer,
geonode_upload_session,
_f,
assigned_name)
# @todo if layer was not created, need to ensure upload target is
# same as existing target
_log('layer was created : %s', created)
if created:
saved_layer.set_default_permissions()
saved_layer.handle_moderated_uploads()
# Create the points of contact records for the layer
_log('Creating points of contact records for [%s]', name)
saved_layer.poc = user
saved_layer.metadata_author = user
# look for xml
defaults = {}
xml_file = upload_session.base_file[0].xml_files
if xml_file:
saved_layer.metadata_uploaded = True
# get model properties from XML
# If it's contained within a zip, need to extract it
if upload_session.base_file.archive:
archive = upload_session.base_file.archive
zf = zipfile.ZipFile(archive, 'r')
zf.extract(xml_file[0], os.path.dirname(archive))
# Assign the absolute path to this file
xml_file[0] = os.path.dirname(archive) + '/' + xml_file[0]
identifier, vals, regions, keywords = set_metadata(
open(xml_file[0]).read())
saved_layer.metadata_xml = xml_file[0]
regions_resolved, regions_unresolved = resolve_regions(regions)
keywords.extend(regions_unresolved)
if getattr(settings, 'NLP_ENABLED', False):
try:
from geonode.contrib.nlp.utils import nlp_extract_metadata_dict
nlp_metadata = nlp_extract_metadata_dict({
'title': defaults.get('title', None),
'abstract': defaults.get('abstract', None),
'purpose': defaults.get('purpose', None)})
if nlp_metadata:
regions_resolved.extend(nlp_metadata.get('regions', []))
keywords.extend(nlp_metadata.get('keywords', []))
except BaseException:
print "NLP extraction failed."
# Assign the regions (needs to be done after saving)
regions_resolved = list(set(regions_resolved))
if regions_resolved:
if len(regions_resolved) > 0:
if not saved_layer.regions:
saved_layer.regions = regions_resolved
else:
saved_layer.regions.clear()
saved_layer.regions.add(*regions_resolved)
# Assign the keywords (needs to be done after saving)
keywords = list(set(keywords))
if keywords:
if len(keywords) > 0:
if not saved_layer.keywords:
saved_layer.keywords = keywords
else:
saved_layer.keywords.add(*keywords)
# set model properties
for key, value in vals.items():
if key == 'spatial_representation_type':
value = SpatialRepresentationType(identifier=value)
elif key == 'topic_category':
value, created = TopicCategory.objects.get_or_create(
identifier=value.lower(),
defaults={'description': '', 'gn_description': value})
key = 'category'
defaults[key] = value
else:
defaults[key] = value
# update with new information
db_layer = Layer.objects.filter(id=saved_layer.id)
db_layer.update(**defaults)
saved_layer.refresh_from_db()
# Pass the parameter overwrite to tell whether the
# geoserver_post_save_signal should upload the new file or not
saved_layer.overwrite = True
saved_layer.save()
# look for SLD
sld_file = upload_session.base_file[0].sld_files
if sld_file:
# If it's contained within a zip, need to extract it
if upload_session.base_file.archive:
archive = upload_session.base_file.archive
zf = zipfile.ZipFile(archive, 'r')
zf.extract(sld_file[0], os.path.dirname(archive))
# Assign the absolute path to this file
sld_file[0] = os.path.dirname(archive) + '/' + sld_file[0]
sld = open(sld_file[0]).read()
set_layer_style(
saved_layer,
saved_layer.alternate,
sld,
base_file=sld_file[0])
# Set default permissions on the newly created layer
# FIXME: Do this as part of the post_save hook
permissions = upload_session.permissions
if created and permissions is not None:
_log('Setting default permissions for [%s]', name)
saved_layer.set_permissions(permissions)
if upload_session.tempdir and os.path.exists(upload_session.tempdir):
shutil.rmtree(upload_session.tempdir)
upload = Upload.objects.get(import_id=import_session.id)
upload.layer = saved_layer
upload.complete = True
upload.save()
if upload_session.time_info:
set_time_info(saved_layer, **upload_session.time_info)
if geonode_upload_session:
geonode_upload_session.processed = True
saved_layer.upload_session = geonode_upload_session
signals.upload_complete.send(sender=final_step, layer=saved_layer)
geonode_upload_session.save()
saved_layer.save()
cat._cache.clear()
cat.reload()
return saved_layer