#!/bin/env python
# -*- coding: utf-8 -*-
#
#Created on 19.06.17
#
#Created for pymepps
#
#@author: Tobias Sebastian Finn, tobias.sebastian.finn@studium.uni-hamburg.de
#
# Copyright (C) {2017} {Tobias Sebastian Finn}
#
# 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/>.
#
# System modules
import logging
# External modules
import xarray as xr
# Internal modules
from .netcdfhandler import NetCDFHandler
logger = logging.getLogger(__name__)
[docs]class OpendapHandler(NetCDFHandler):
[docs] def open(self):
if self.ds is None:
try:
self.ds = xr.open_dataset(self.file, engine='pydap')
except (ImportError, ModuleNotFoundError):
raise ImportError(
'The pydap package is not installed, please use instead '
'the NetCDFHandler if netCDF4 is installed!')
return self
[docs] def is_type(self):
try:
self.open()
self.close()
return True
except (OSError, ImportError, ModuleNotFoundError):
return False