def _write_magicc_input_files( # pylint:disable=too-many-arguments,too-many-locals
openscmdf,
time_id,
outfile_dir,
symlink_dir,
force,
metadata,
header,
timeseriestype,
):
try:
var_to_write = openscmdf["variable"].unique()[0]
variable_abbreviations = {
"filename": var_to_write,
"magicc_name": _MAGICC_VARIABLE_MAP[var_to_write][0],
"magicc_internal_name": _MAGICC_VARIABLE_MAP[var_to_write][1],
}
except KeyError:
raise KeyError(
"I don't know which MAGICC variable to use for input `{}`".format(
var_to_write))
region_filters = {
"FOURBOX": [
"World|Northern Hemisphere|Land",
"World|Southern Hemisphere|Land",
"World|Northern Hemisphere|Ocean",
"World|Southern Hemisphere|Ocean",
],
"GLOBAL": ["World"],
}
for region_key, regions_to_keep in region_filters.items():
out_file = os.path.join(
outfile_dir,
(("{}_{}_{}_{}_{}_{}_{}.IN").format(
variable_abbreviations["filename"],
openscmdf["scenario"].unique()[0],
openscmdf["climate_model"].unique()[0],
openscmdf["member_id"].unique()[0],
time_id,
region_key,
variable_abbreviations["magicc_internal_name"],
).upper()),
)
symlink_file = os.path.join(symlink_dir, os.path.basename(out_file))
if _skip_file(out_file, force, symlink_dir):
return
writer = MAGICCData(openscmdf).filter(region=regions_to_keep)
writer["todo"] = "SET"
writer["variable"] = variable_abbreviations["magicc_name"]
writer.metadata = metadata
writer.metadata["header"] = header
writer.metadata["timeseriestype"] = timeseriestype
logger.info("Writing file to %s", out_file)
writer.write(out_file, magicc_version=7)
logger.info("Making symlink to %s", symlink_file)
os.symlink(out_file, symlink_file)
def _write_mag_file( # pylint:disable=too-many-arguments
openscmdf, metadata, header, outfile_dir, symlink_dir, fnames, force):
out_file = os.path.join(outfile_dir, fnames[0])
out_file = "{}.MAG".format(os.path.splitext(out_file)[0])
if _skip_file(out_file, force, symlink_dir):
return
writer = MAGICCData(openscmdf)
writer["todo"] = "SET"
time_steps = writer.timeseries().columns[1:] - writer.timeseries(
).columns[:-1]
step_upper = np.timedelta64(32, "D") # pylint:disable=too-many-function-args
step_lower = np.timedelta64(28, "D") # pylint:disable=too-many-function-args
if any((time_steps > step_upper) | (time_steps < step_lower)):
raise ValueError("Please raise an issue at "
"github.com/znicholls/netcdf-scm/issues "
"to discuss how to handle non-monthly data wrangling")
writer.metadata = metadata
writer.metadata["timeseriestype"] = "MONTHLY"
writer.metadata["header"] = header
logger.info("Writing file to %s", out_file)
writer.write(out_file, magicc_version=7)
symlink_file = os.path.join(symlink_dir, os.path.basename(out_file))
logger.info("Making symlink to %s", symlink_file)
os.symlink(out_file, symlink_file)
def test_pymagicc_writing_has_an_effect(
package,
test_filename,
relevant_config,
outputs_to_check,
time_check_min,
time_check_max,
):
if (package.version == 6) and test_filename.endswith("SCEN7"):
# maybe this should throw error instead
pytest.skip("MAGICC6 cannot run SCEN7 files")
if ("SRES" in test_filename) and (package.version == 7):
# maybe this should throw error instead
pytest.skip("MAGICC7 cannot run SRES SCEN files")
if ("SCEN" in test_filename) and (package.version == 7):
# special undocumented flags!!!
relevant_config["fgas_adjstfutremis2past_0no1scale"] = 0
relevant_config["mhalo_adjstfutremis2past_0no1scale"] = 0
for key, value in relevant_config.items():
if value == "test_filename":
relevant_config[key] = test_filename
package.set_config(**relevant_config)
initial_results = package.run()
ttweak_factor = 0.9
mdata = MAGICCData(
join(package.run_dir, test_filename),
columns={
"model": ["unspecified"],
"scenario": ["unspecified"]
},
)
mdata._data *= ttweak_factor
mdata.write(join(package.run_dir, test_filename), package.version)
tweaked_results = package.run()
for output_to_check in outputs_to_check:
result = (tweaked_results.filter(
variable=output_to_check,
year=range(time_check_min,
time_check_max + 1)).timeseries().values)
expected = (ttweak_factor * initial_results.filter(
variable=output_to_check,
year=range(time_check_min,
time_check_max + 1)).timeseries().values)
abstol = np.max([result, expected]) * 10**-3
np.testing.assert_allclose(result, expected, rtol=1e-5, atol=abstol)
def test_external_forcing_only_run(package):
time = zero_emissions["time"]
forcing_external = 2.0 * np.arange(0, len(time)) / len(time)
forcing_ext = MAGICCData(
forcing_external,
columns={
"index": time,
"scenario": ["idealised"],
"model": ["unspecified"],
"climate_model": ["unspecified"],
"variable": ["Radiative Forcing|Extra"],
"unit": ["W / m^2"],
"todo": ["SET"],
"region": ["World"],
},
)
forcing_ext_filename = "EXTERNAL_RF.IN"
forcing_ext.metadata = {
"header": "External radiative forcing file for testing"
}
forcing_ext.write(join(package.run_dir, forcing_ext_filename),
package.version)
results = package.run(
rf_extra_read=1,
file_extra_rf=forcing_ext_filename,
rf_total_runmodus="QEXTRA",
endyear=max(time).year,
rf_initialization_method=
"ZEROSTARTSHIFT", # this is default but just in case
rf_total_constantafteryr=5000,
)
# MAGICC's weird last year business means that last result is just constant from previous
# year and is not treated properly
# TODO: add this in docs
validation_output = (results.filter(
variable="Radiative Forcing",
region="World").timeseries().values.squeeze()[:-1])
validation_input = forcing_external[:-1]
np.testing.assert_allclose(validation_input, validation_output, rtol=1e-5)
temperature_global = (results.filter(
variable="Surface Temperature",
region="World").timeseries().values.squeeze())
assert (temperature_global[1:] - temperature_global[:-1] >= 0).all()
def test_run_rewritten_scen_file(package, temp_dir):
starting_scen = join(MAGICC6_DIR, "RCP26.SCEN")
written_scen = join(package.run_dir, "RCP26.SCEN7")
cols = {
"model": ["IMAGE"],
"scenario": ["RCP26"],
"climate_model": ["MAGICC6"]
}
mdata_initial = MAGICCData(starting_scen, columns=cols)
mdata_initial.write(written_scen, magicc_version=7)
mdata_written = MAGICCData(written_scen, columns=cols)
results = package.run(mdata_written, only=["Surface Temperature"])
assert len(results["variable"].unique()) == 1
assert "Surface Temperature" in results["variable"].values
def _write_mag_file_with_operation( # pylint:disable=too-many-arguments
openscmdf, metadata, header, outfile_dir, symlink_dir, fnames, force,
out_format): # pylint:disable=too-many-locals
if len(fnames) > 1:
raise AssertionError("more than one file to wrangle?"
) # pragma: no cover # emergency valve
ts = openscmdf.timeseries()
src_time_points = ts.columns
original_years = ts.columns.map(lambda x: x.year).unique()
time_id = "{}-{}".format(src_time_points[0].year, src_time_points[-1].year)
regex_search = r"{:04d}\d*-{:04d}\d*".format(src_time_points[0].year,
src_time_points[-1].year)
old_time_id = re.search(regex_search, fnames[0]).group(0)
out_file = os.path.join(outfile_dir,
fnames[0].replace(old_time_id, time_id))
out_file = "{}.MAG".format(os.path.splitext(out_file)[0])
if _skip_file(out_file, force, symlink_dir):
return
writer = MAGICCData(_do_timeseriestype_operation(
openscmdf, out_format)).filter(year=original_years)
writer["todo"] = "SET"
writer.metadata = metadata
writer.metadata["timeseriestype"] = (out_format.replace(
"mag-files-", "").replace("-", "_").upper())
writer.metadata["header"] = header
logger.info("Writing file to %s", out_file)
writer.write(out_file, magicc_version=7)
symlink_file = os.path.join(symlink_dir, os.path.basename(out_file))
logger.info("Making symlink to %s", symlink_file)
os.symlink(out_file, symlink_file)
"""A simple script that can be used to read and write a file to see the effects of the formatting without having to always stop and debug tests
"""
import os
from os.path import join, expanduser
from pymagicc.io import MAGICCData
here = os.path.dirname(os.path.abspath(__file__))
fpath = join(here, "..", "pymagicc", "MAGICC6", "run")
fname = "RCP26.SCEN"
mi_writer = MAGICCData()
mi_writer.read(filepath=fpath, filename=fname)
mi_writer.write(join(expanduser("~"), fname))
def test_co2_emms_other_rf_run(package, emms_co2_level):
package.set_zero_config()
df = zero_emissions.timeseries()
time = zero_emissions["time"]
emms_fossil_co2 = np.zeros(len(time))
emms_fossil_co2[20:] = emms_co2_level
df.loc[(
df.index.get_level_values("variable") ==
"Emissions|CO2|MAGICC Fossil and Industrial"), :, ] = emms_fossil_co2
scen = MAGICCData(df)
forcing_external = 2.0 * np.arange(0, len(time)) / len(time)
forcing_ext = MAGICCData(
forcing_external,
columns={
"index": time,
"scenario": ["idealised"],
"model": ["unspecified"],
"climate_model": ["unspecified"],
"variable": ["Radiative Forcing|Extra"],
"unit": ["W / m^2"],
"todo": ["SET"],
"region": ["World"],
},
)
forcing_ext.metadata = {
"header": "External radiative forcing file for testing"
}
forcing_ext_filename = "EXTERNAL_RF.IN"
forcing_ext.write(join(package.run_dir, forcing_ext_filename),
package.version)
# TODO: fix endyear so it takes from scenario input by default
results = package.run(
scen,
endyear=max(time).year,
rf_extra_read=1, # fix writing of 'True'
file_extra_rf=forcing_ext_filename,
rf_total_runmodus="all",
rf_initialization_method="ZEROSTARTSHIFT",
rf_total_constantafteryr=5000,
)
np.testing.assert_allclose(
results.filter(variable="Em*CO2*Fossil*",
region="World").timeseries().values.squeeze(),
emms_fossil_co2,
)
# CO2 temperature feedbacks mean that you get a CO2 outgassing, hence CO2 forcing. As a
# result radiative forcing values don't match exactly. Numerical precision adds to this.
ext_rf_output_vals = (results.filter(
variable="Radiative Forcing",
region="World").timeseries().values.squeeze())
zero_rows = (forcing_external == 0) & (ext_rf_output_vals == 0)
greater_equal_rows = ext_rf_output_vals >= forcing_external
close_rows_denominator = forcing_external
close_rows_denominator[zero_rows] = 10**-10 # avoid divide by zero
close_rows = (np.abs(ext_rf_output_vals - forcing_external) /
close_rows_denominator <= 10**-3)
matching_rows = greater_equal_rows | close_rows
assert matching_rows.all()
def test_pymagicc_writing_has_an_effect(
package,
test_filename,
relevant_config,
outputs_to_check,
time_check_min,
time_check_max,
):
if ("SCEN" in test_filename) and (package.version == 7):
# special undocumented flags!!!
relevant_config["fgas_adjstfutremis2past_0no1scale"] = 0
relevant_config["mhalo_adjstfutremis2past_0no1scale"] = 0
iter_dict = copy.deepcopy(relevant_config)
for key, value in iter_dict.items():
if value == "test_filename":
relevant_config[key] = test_filename
# Handle adjustment to `.prn` handling in MAGICC
if key == "file_mhalo_emis" and package.version == 7:
relevant_config["mhalo_prnfile_emis"] = relevant_config.pop(key)
relevant_config["mhalo_take_prnfile"] = 1
if key == "file_mhalo_conc" and package.version == 7:
relevant_config["mhalo_prnfile_conc"] = relevant_config.pop(key)
relevant_config["mhalo_take_prnfile"] = 1
package.set_config(conflict="ignore", **relevant_config)
if (package.version == 6) and test_filename.endswith("SCEN7"):
error_msg = re.compile("MAGICC6 cannot run SCEN7 files")
with pytest.raises(ValueError, match=error_msg):
package.run(only=outputs_to_check)
return
if ("SRES" in test_filename) and (package.version == 7):
# MAGICC7 cannot run SRES SCEN files
with pytest.raises(CalledProcessError):
package.run(only=outputs_to_check)
return
if ".prn" in test_filename and package.version == 7:
# MAGICC7's prn handling is not working
with pytest.raises(CalledProcessError):
package.run(only=outputs_to_check)
return
initial_results = package.run(only=outputs_to_check)
ttweak_factor = 0.9
mdata = MAGICCData(
join(package.run_dir, test_filename),
columns={
"model": ["unspecified"],
"scenario": ["unspecified"]
},
)
mdata._data *= ttweak_factor
mdata.write(join(package.run_dir, test_filename), package.version)
tweaked_results = package.run(only=outputs_to_check)
for output_to_check in outputs_to_check:
result = (tweaked_results.filter(
variable=output_to_check,
year=range(time_check_min,
time_check_max + 1)).timeseries().values)
initial = (initial_results.filter(
variable=output_to_check,
year=range(time_check_min,
time_check_max + 1)).timeseries().values)
expected = ttweak_factor * initial
abstol = np.max([result, expected]) * 10**-3
np.testing.assert_allclose(result, expected, rtol=1e-5, atol=abstol)