def convert_netcdf(request, path_to_netcdf_file):
"""
Take NetCDF file on server and symlink into local workspace
"""
workspace = app.get_user_workspace(request)
src = path_to_netcdf_file
dst = os.path.join(workspace.path, os.path.basename(src))
try:
os.symlink(src, dst)
except OSError:
pass
return 'netcdf_to_gssha:home'
def home(request):
"""
Controller for the app home page.
"""
selected = None
if 'file_select' in request.GET:
selected = request.GET['file_select']
if int(selected) < 0:
selected = None
user_workspace = app.get_user_workspace(request.user)
nc_files = glob(os.path.join(user_workspace.path, '*.nc'))
nc_file_list = [(os.path.basename(path), str(index)) for index, path in enumerate(nc_files)]
nc_file_list.insert(0, ('(Select)', '-1'))
file_select_options = SelectInput(display_text='Select NetCDF File',
name='file_select',
multiple=False,
options=nc_file_list,
original=True,
attributes='onchange=this.form.submit()')
variable_select_options = None
toggle_switch_options = None
selected_file = None
file_name = None
if selected:
file_select_options = None
selected_file = nc_files[int(selected)]
file_name = os.path.basename(selected_file)
nc_file = nc.Dataset(selected_file, 'r')
variables = nc_file.variables
variable_list = [(variable, str(index)) for index, variable in enumerate(variables)]
variable_select_options = SelectInput(display_text='Select Variable',
name='variable_select',
multiple=False,
options=variable_list,
original=True,
attributes='onchange=this.form.submit()')
toggle_switch_options = ToggleSwitch(display_text='File Type',
name='file_type',
on_label='GRASS',
off_label='ARC',
on_style='success',
off_style='primary',
initial=True)
if 'variable_select' in request.GET:
variable_index = int(request.GET['variable_select'])
selected_file = request.GET['selected_file']
file_name = os.path.basename(selected_file)
file_type = 'GRASS' if 'file_type' in request.GET else 'ARC'
nc_file = nc.Dataset(selected_file, 'r')
variables = nc_file.variables
variable = [var for var in variables][variable_index]
job_name = 'Convert-%s-%s-%s' % (file_name, variable, time.time())
job_description = 'Convert %s in %s to %s ascii rasters.' % (variable, file_name, file_type.lower())
job = job_manager.create_job(job_name, request.user, 'convert_to_ascii', description=job_description)
job.set_attribute('arguments', (file_name, variable, file_type))
job.set_attribute('transfer_input_files', ('../%s' % file_name,))
job.set_attribute('remote_input_files', ('$(APP_WORKSPACE)/netcdf_to_ascii.py', selected_file))
job.save()
job.execute()
return redirect('jobs/')
context = {'file_select_options': file_select_options,
'variable_select_options': variable_select_options,
'toggle_switch_options': toggle_switch_options,
'file_name': file_name,
'selected_file': selected_file}
return render(request, 'netcdf_to_gssha/home.html', context)
from django.shortcuts import render, redirect
from django.contrib.auth.decorators import login_required
from django.http import HttpResponse
from django.utils.encoding import smart_str
# from django.core.servers.basehttp import FileWrapper
from tethys_sdk.gizmos import SelectInput, JobsTable, ToggleSwitch
from app import NetcdfToGsshaInput as app
from glob import glob
import os
import netCDF4 as nc
import time
job_manager = app.get_job_manager()
@login_required()
def home(request):
"""
Controller for the app home page.
"""
selected = None
if 'file_select' in request.GET:
selected = request.GET['file_select']
if int(selected) < 0:
selected = None
user_workspace = app.get_user_workspace(request.user)
nc_files = glob(os.path.join(user_workspace.path, '*.nc'))
