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# If this example is not executed from the directory containing the
# CMOR code, please first complete the following steps:
#
# 1. In any directory, create 'Tables/', 'Test/' and 'CMIP6/' directories.
#
# 2. Download
# https://github.com/PCMDI/cmor/blob/master/TestTables/CMIP6_Omon.json
# and https://github.com/PCMDI/cmor/blob/master/TestTables/CMIP6_CV.json
# to the 'Tables/' directory.
#
# 3. Download
# https://github.com/PCMDI/cmor/blob/master/Test/<filename>.json
# to the 'Test/' directory.
from __future__ import print_function
import cmor
import numpy
import unittest
import os
import sys
import tempfile
import importlib.util
import netCDF4
import base_CMIP6_CV
# ==============================
# main thread
# ==============================
def run():
unittest.main()
class TestCase(base_CMIP6_CV.BaseCVsTest):
def testCMIP6(self):
nlat = 10
dlat = 180. / nlat
nlon = 20
dlon = 360. / nlon
nlev = 5
ntimes = 5
lats = numpy.arange(90 - dlat / 2., -90, -dlat)
blats = numpy.arange(90, -90 - dlat, -dlat)
lons = numpy.arange(0 + dlon / 2., 360., dlon)
blons = numpy.arange(0, 360. + dlon, dlon)
# -------------------------------------------
# Try to call cmor with a bad institution_ID
# -------------------------------------------
cmor.setup(inpath='Tables', netcdf_file_action=cmor.CMOR_REPLACE, logfile=self.tmpfile)
cmor.dataset_json("Test/CMOR_input_example.json")
# --------------------------------------------
# load Omon table and create masscello variable
# --------------------------------------------
cmor.load_table("CMIP6_Omon.json")
itime = cmor.axis(table_entry="time", units='months since 2010',
coord_vals=numpy.array([0, 1, 2, 3, 4.]),
cell_bounds=numpy.array([0, 1, 2, 3, 4, 5.]))
ilat = cmor.axis(
table_entry='latitude',
coord_vals=lats,
cell_bounds=blats,
units='degrees_north')
ilon = cmor.axis(
table_entry='longitude',
coord_vals=lons,
cell_bounds=blons,
units='degrees_east')
ilev = cmor.axis(table_entry='depth_coord', length=5,
cell_bounds=numpy.arange(0, 12000, 2000), coord_vals=numpy.arange(0, 10000, 2000), units="m")
ivar = cmor.variable(
table_entry="masscello", axis_ids=[
itime, ilev, ilat, ilon, ], units='kg/m2')
data = numpy.random.random((ntimes, nlev, nlat, nlon)) * 100.
cmor.write(ivar, data)
self.delete_files += [cmor.close(ivar, True)]
cmor.close()
f = netCDF4.Dataset(cmor.get_final_filename(), "r")
self.assertTrue("external_variables" in f.__dict__)
a = f.__dict__["external_variables"]
self.assertEqual("areacello volcello", a)
f.close()
@unittest.skipIf(importlib.util.find_spec("cdms2") is None, "cdms2 not installed")
def testCMIP6_CDMS2(self):
import cdms2
nlat = 10
dlat = 180. / nlat
nlon = 20
dlon = 360. / nlon
nlev = 5
ntimes = 5
lats = numpy.arange(90 - dlat / 2., -90, -dlat)
blats = numpy.arange(90, -90 - dlat, -dlat)
lons = numpy.arange(0 + dlon / 2., 360., dlon)
blons = numpy.arange(0, 360. + dlon, dlon)
# -------------------------------------------
# Try to call cmor with a bad institution_ID
# -------------------------------------------
cmor.setup(inpath='Tables', netcdf_file_action=cmor.CMOR_REPLACE, logfile=self.tmpfile)
cmor.dataset_json("Test/CMOR_input_example.json")
# --------------------------------------------
# load Omon table and create masscello variable
# --------------------------------------------
cmor.load_table("CMIP6_Omon.json")
itime = cmor.axis(table_entry="time", units='months since 2010',
coord_vals=numpy.array([0, 1, 2, 3, 4.]),
cell_bounds=numpy.array([0, 1, 2, 3, 4, 5.]))
ilat = cmor.axis(
table_entry='latitude',
coord_vals=lats,
cell_bounds=blats,
units='degrees_north')
ilon = cmor.axis(
table_entry='longitude',
coord_vals=lons,
cell_bounds=blons,
units='degrees_east')
ilev = cmor.axis(table_entry='depth_coord', length=5,
cell_bounds=numpy.arange(0, 12000, 2000), coord_vals=numpy.arange(0, 10000, 2000), units="m")
ivar = cmor.variable(
table_entry="masscello", axis_ids=[
itime, ilev, ilat, ilon, ], units='kg/m2')
data = numpy.random.random((ntimes, nlev, nlat, nlon)) * 100.
cmor.write(ivar, data)
self.delete_files += [cmor.close(ivar, True)]
cmor.close()
f = cdms2.open(cmor.get_final_filename(), "r")
a = f.getglobal("external_variables")
self.assertEqual("areacello volcello", a)
f.close()
def testCMIP6_ExternaVariablesError(self):
print("CMIP6 External Error")
cmor.setup(inpath='Tables', netcdf_file_action=cmor.CMOR_REPLACE, logfile=self.tmpfile)
error_flag = cmor.dataset_json('Test/CMOR_input_example.json')
table_id = cmor.load_table('CMIP6_6hrLev.json')
time = cmor.axis(table_entry='time1', units='days since 2000-01-01',
coord_vals=numpy.array(range(1)),
cell_bounds=numpy.array(range(2)))
latitude = cmor.axis(table_entry='latitude', units='degrees_north',
coord_vals=numpy.array(range(5)),
cell_bounds=numpy.array(range(6)))
longitude = cmor.axis(table_entry='longitude', units='degrees_east',
coord_vals=numpy.array(range(5)),
cell_bounds=numpy.array(range(6)))
plev3 = cmor.axis(table_entry='plev3', units='Pa',
coord_vals=numpy.array([85000., 50000., 25000.]))
axis_ids = [longitude, latitude, plev3, time]
ua_var_id = cmor.variable(table_entry='ua', axis_ids=axis_ids,
units='m s-1')
ta_var_id = cmor.variable(table_entry='ta', axis_ids=axis_ids,
units='K')
data = numpy.random.random(75)
reshaped_data = data.reshape((5, 5, 3, 1))
# This doesn't:
cmor.write(ta_var_id, reshaped_data)
cmor.write(ua_var_id, reshaped_data)
fname_ta = cmor.close(ta_var_id, file_name=True)
fname_ua = cmor.close(ua_var_id, file_name=True)
self.delete_files += [fname_ta, fname_ua]
cmor.close()
f = netCDF4.Dataset(fname_ta, "r")
self.assertTrue("external_variables" in f.__dict__)
a = f.__dict__["external_variables"]
self.assertEqual("areacella", a)
f.close()
f = netCDF4.Dataset(fname_ua, "r")
self.assertTrue("external_variables" not in f.__dict__)
f.close()
@unittest.skipIf(importlib.util.find_spec("cdms2") is None, "cdms2 not installed")
def testCMIP6_ExternaVariablesError_CDMS2(self):
import cdms2
print("CMIP6 External Error")
cmor.setup(inpath='Tables', netcdf_file_action=cmor.CMOR_REPLACE, logfile=self.tmpfile)
error_flag = cmor.dataset_json('Test/CMOR_input_example.json')
table_id = cmor.load_table('CMIP6_6hrLev.json')
time = cmor.axis(table_entry='time1', units='days since 2000-01-01',
coord_vals=numpy.array(range(1)),
cell_bounds=numpy.array(range(2)))
latitude = cmor.axis(table_entry='latitude', units='degrees_north',
coord_vals=numpy.array(range(5)),
cell_bounds=numpy.array(range(6)))
longitude = cmor.axis(table_entry='longitude', units='degrees_east',
coord_vals=numpy.array(range(5)),
cell_bounds=numpy.array(range(6)))
plev3 = cmor.axis(table_entry='plev3', units='Pa',
coord_vals=numpy.array([85000., 50000., 25000.]))
axis_ids = [longitude, latitude, plev3, time]
ua_var_id = cmor.variable(table_entry='ua', axis_ids=axis_ids,
units='m s-1')
ta_var_id = cmor.variable(table_entry='ta', axis_ids=axis_ids,
units='K')
data = numpy.random.random(75)
reshaped_data = data.reshape((5, 5, 3, 1))
# This doesn't:
cmor.write(ta_var_id, reshaped_data)
cmor.write(ua_var_id, reshaped_data)
fname_ta = cmor.close(ta_var_id, file_name=True)
fname_ua = cmor.close(ua_var_id, file_name=True)
self.delete_files += [fname_ta, fname_ua]
cmor.close()
f = cdms2.open(fname_ta, "r")
a = f.getglobal("external_variables")
self.assertEqual("areacella", a)
f.close()
f = cdms2.open(fname_ua, "r")
a = f.getglobal("external_variables")
self.assertEqual(None, a)
f.close()
if __name__ == '__main__':
run()
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