def check_remote_netcdf(self, ds_str):
if netcdf.is_remote_netcdf(ds_str):
response = requests.get(ds_str, allow_redirects=True, timeout=60)
try:
return MemoizedDataset(urlparse(response.url).path,
memory=response.content)
except OSError as e:
# handle case when netCDF C libs weren't compiled with
# in-memory support by using tempfile
with tempnc(response.content) as _nc:
return MemoizedDataset(_nc)
def load_remote_dataset(self, ds_str):
"""
Returns a dataset instance for the remote resource, either OPeNDAP or SOS
:param str ds_str: URL to the remote resource
"""
if "tabledap" in ds_str: # ERDDAP TableDAP request
# modify ds_str to contain the full variable request
variables_str = opendap.create_DAP_variable_str(ds_str)
# join to create a URL to an .ncCF resource
ds_str = "{}.ncCF?{}".format(ds_str, variables_str)
if netcdf.is_remote_netcdf(ds_str):
response = requests.get(ds_str, allow_redirects=True,
timeout=60)
try:
return MemoizedDataset(response.content, memory=response.content)
except OSError as e:
# handle case when netCDF C libs weren't compiled with
# in-memory support by using tempfile
with tempnc(response.content) as _nc:
return MemoizedDataset(_nc)
elif opendap.is_opendap(ds_str):
return Dataset(ds_str)
# Check if the HTTP response is XML, if it is, it's likely SOS so
# we'll attempt to parse the response as SOS
# some SOS servers don't seem to support HEAD requests.
# Issue GET instead if we reach here and can't get the response
response = requests.get(ds_str, allow_redirects=True,
timeout=60)
content_type = response.headers.get("content-type")
if content_type == "text/xml":
return self.process_doc(response.content)
else:
raise ValueError("Unknown service with content-type: {}".format(content_type))