def _register_arcgis_url(url, username, password, owner=None, parent=None):
"""
Register an ArcGIS REST service URL
"""
# http://maps1.arcgisonline.com/ArcGIS/rest/services
baseurl = _clean_url(url)
if re.search("\/MapServer\/*(f=json)*", baseurl):
# This is a MapService
arcserver = ArcMapService(baseurl)
if isinstance(arcserver,
ArcMapService) and arcserver.spatialReference.wkid in [
102100, 3857, 900913
]:
return_json = [
_process_arcgis_service(arcserver, owner=owner, parent=parent)
]
else:
return_json = [{
'msg':
_("Could not find any layers in a compatible projection.")
}]
else:
# This is a Folder
arcserver = ArcFolder(baseurl)
return_json = _process_arcgis_folder(arcserver,
services=[],
owner=owner,
parent=parent)
return HttpResponse(json.dumps(return_json),
mimetype='application/json',
status=200)
def _verify_service_type(base_url, service_type=None):
"""
Try to determine service type by process of elimination
"""
exceptions = []
if service_type in ['WMS', 'OWS', None]:
try:
service = WebMapService(base_url)
except:
pass
else:
return ['WMS', service]
if service_type in ['WFS', 'OWS', None]:
try:
servicewfs = WebFeatureService(base_url)
except:
pass
else:
return ['WFS', servicewfs]
if service_type in ['TMS', None]:
try:
service = TileMapService(base_url)
except:
pass
else:
return ['TMS', service]
if service_type in ['REST', None]:
try:
service = ArcFolder(base_url)
except:
pass
else:
service.services
return ['REST', service]
if service_type in ['CSW', None]:
try:
service = CatalogueServiceWeb(base_url)
except:
raise
else:
return ['CSW', service]
if service_type in ['OGP', None]:
#Just use a specific OGP URL for now
if base_url == settings.OGP_URL:
return ["OGP", None]
return [None, None]
def _register_arcgis_url(url,username, password, owner=None, parent=None):
"""
Register an ArcGIS REST service URL
"""
#http://maps1.arcgisonline.com/ArcGIS/rest/services
baseurl = _clean_url(url)
if re.search("\/MapServer\/*(f=json)*", baseurl):
#This is a MapService
arcserver = ArcMapService(baseurl)
return_json = [_process_arcgis_service(arcserver, owner=owner, parent=parent)]
else:
#This is a Folder
arcserver = ArcFolder(baseurl)
return_json = _process_arcgis_folder(arcserver, services=[], owner=owner, parent=parent)
return HttpResponse(json.dumps(return_json),
mimetype='application/json',
status=200)
def create_services_from_endpoint(url):
"""
Generate service/services from an endpoint.
WMS, WMTS, TMS endpoints correspond to a single service.
ESRI, CWS endpoints corrispond to many services.
"""
num_created = 0
endpoint = get_sanitized_endpoint(url)
try:
urllib2.urlopen(endpoint, timeout=10)
except Exception as e:
print 'ERROR! Cannot open this endpoint: %s' % endpoint
message = traceback.format_exception(*sys.exc_info())
return False, message
detected = False
# test if it is WMS, TMS, WMTS or Esri
# WMS
try:
service = WebMapService(endpoint, timeout=10)
service_type = 'OGC:WMS'
detected = True
service = create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# TMS
if not detected:
try:
service = TileMapService(endpoint, timeout=10)
service_type = 'OGC:TMS'
detected = True
create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# WMTS
if not detected:
try:
service = WebMapTileService(endpoint, timeout=10)
service_type = 'OGC:WMTS'
detected = True
create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# Esri
# a good sample is here: https://gis.ngdc.noaa.gov/arcgis/rest/services
if not detected:
try:
esri = ArcFolder(endpoint)
services = esri.services
service_type = 'ESRI'
detected = True
# root
root_services = process_esri_services(services)
num_created = num_created + len(root_services)
# folders
for folder in esri.folders:
folder_services = process_esri_services(folder.services)
num_created = num_created + len(folder_services)
except Exception as e:
print str(e)
if detected:
return True, '%s service/s created' % num_created
else:
return False, 'ERROR! Could not detect service type for endpoint %s or already existing' % endpoint
def create_services_from_endpoint(url):
"""
Generate service/services from an endpoint.
WMS, WMTS, TMS endpoints correspond to a single service.
ESRI, CWS endpoints corrispond to many services.
"""
num_created = 0
endpoint = get_sanitized_endpoint(url)
try:
urllib2.urlopen(endpoint, timeout=10)
except Exception as e:
print 'ERROR! Cannot open this endpoint: %s' % endpoint
message = traceback.format_exception(*sys.exc_info())
return False, message
detected = False
# test if it is WMS, TMS, WMTS or Esri
# WMS
try:
service = WebMapService(endpoint, timeout=10)
service_type = 'OGC:WMS'
detected = True
service = create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# TMS
if not detected:
try:
service = TileMapService(endpoint, timeout=10)
service_type = 'OSGeo:TMS'
detected = True
create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# WMTS
if not detected:
try:
service = WebMapTileService(endpoint, timeout=10)
service_type = 'OGC:WMTS'
detected = True
create_service_from_endpoint(
endpoint,
service_type,
title=service.identification.title,
abstract=service.identification.abstract)
if service is not None:
num_created = num_created + 1
except Exception as e:
print str(e)
# Esri
# a good sample is here: https://gis.ngdc.noaa.gov/arcgis/rest/services
# we can safely assume the following condition (at least it is true for 1170 services)
# we need to test this as ArcFolder can freeze with not esri url such as this one:
# http://hh.worldmap.harvard.edu/admin/aggregator/service/?q=%2Frest%2Fservices
if '/rest/services' in endpoint:
if not detected:
try:
esri = ArcFolder(endpoint)
services = esri.services
service_type = 'ESRI'
detected = True
# root
root_services = process_esri_services(services)
num_created = num_created + len(root_services)
# folders
for folder in esri.folders:
folder_services = process_esri_services(folder.services)
num_created = num_created + len(folder_services)
except Exception as e:
print str(e)
if detected:
return True, '%s service/s created' % num_created
else:
return False, 'ERROR! Could not detect service type for endpoint %s or already existing' % endpoint