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Improve error message on incorrect machine #892

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merged 1 commit into from
Sep 19, 2022
Merged

Improve error message on incorrect machine #892

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17 changes: 16 additions & 1 deletion mpas_analysis/__main__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
import logging
import xarray
import time
from importlib.resources import contents

from mache import discover_machine, MachineInfo

Expand Down Expand Up @@ -794,7 +795,21 @@ def main():

if machine is not None:
print(f'Detected E3SM supported machine: {machine}')
config.add_from_package('mache.machines', f'{machine}.cfg')
try:
config.add_from_package('mache.machines', f'{machine}.cfg')
except FileNotFoundError:

possible_machines = []
machine_configs = contents('mache.machines')
for config in machine_configs:
if config.endswith('.cfg'):
possible_machines.append(os.path.splitext(config)[0])

possible_machines = '\n '.join(sorted(possible_machines))
raise ValueError(
f'We could not find the machine: {machine}.\n'
f'Possible machines are:\n {possible_machines}')

try:
config.add_from_package('mpas_analysis.configuration',
f'{machine}.cfg')
Expand Down