Remove spinup variant and use the spinup variable instead

cases/cosmo-ghg-11km-test/config.py

@@ -18,7 +18,6 @@
 
 model = 'cosmo-ghg'
 restart_step = 12  # hours
-variant = 'spinup'
 spinup = 6
 
 if constraint == 'gpu':

jobs/cosmo.py

@@ -142,9 +142,10 @@ def main(starttime, hstart, hstop, cfg, model_cfg):
                 "Start time %s must not be smaller than in laf_starttime %s." %
                 (str(starttime), str(startfiletime)))
 
-    # No restarts for COSMO-ART and for simulations with spinup
-    if 'restart' in model_cfg['models'][cfg.model]['features'] and \
-       cfg.variant != 'spinup':
+    # Create restart directory if feature is present and 
+    # if there is no spinup
+    if 'restart' in model_cfg['models'][cfg.model]['features'] and not \
+       hasattr(cfg, 'spinup'):
         tools.create_dir(cfg.cosmo_restart_out, "cosmo_restart_out")
 
     # Copy cosmo executable
@@ -174,13 +175,14 @@ def main(starttime, hstart, hstop, cfg, model_cfg):
 
         output_file = os.path.join(cfg.cosmo_work, "INPUT_" + section)
         with open(output_file, "w") as outf:
-            if cfg.variant == 'spinup':
-                # no restarts
+            if hasattr(cfg, 'spinup'):
+                # no built-in restarts
                 to_write = to_write.format(cfg=cfg,
                                            restart_start=12,
                                            restart_stop=0,
                                            restart_step=12)
             else:
+                # built-in restarts
                 to_write = to_write.format(cfg=cfg,
                                            restart_start=cfg.hstart +
                                            cfg.restart_step,

jobs/post_int2lm.py

@@ -90,7 +90,7 @@ def main(start_time, hstart, hstop, cfg, model_cfg):
     logging.info("OK")
 
     # Meteo spinup simulation with tracer recycling
-    if cfg.variant == 'spinup' and \
+    if hasattr(cfg, 'spinup') and \
     hasattr(cfg, 'post_int2lm_species_spinup') and not cfg.first_one:
         var_list = cfg.post_int2lm_species_spinup
         logging.info(

jobs/tools/write_cosmo_input_ghg.py

@@ -104,7 +104,7 @@ def main(csv_filename, namelist_filename, cfg=None):
 
         with open(namelist_filename, 'a') as nml_file:
             for group in reader:
-                if cfg.variant == 'spinup' and not cfg.first_one:
+                if hasattr(cfg, 'spinup') and not cfg.first_one:
                     nml_file.write(group2text(group, recycling=True))
                 else:
                     nml_file.write(group2text(group))

run_chain.py

@@ -144,42 +144,6 @@ def load_config_file(casename, cfg):
     return cfg
 
 
-def check_model_set_variant(model_cfg, cfg):
-    """Checks the model and sets its variant.
-
-    Check if a model was provided in the config-object. If no model is
-    provided, set the model to cosmo in the config-object.
-
-    Check if a variant was provided in the config-object. Variants
-    provide a way to customize the behaviour of the processing chain
-    for different types of simulations.
-
-    Raise a RuntimeError if an unsupported model or variant is given in cfg.
-    You can add models and variants in the config/models.yaml file.
-
-    Parameters
-    ----------
-    cfg : config-object
-    """
-    if hasattr(cfg, 'model'):
-        model_str = getattr(cfg, 'model')
-    else:
-        raise RuntimeError("Variable 'model' not set in config.")
-
-    models = model_cfg['models']
-    if cfg.model not in models:
-        raise ValueError("Invalid model: {}".format(model_str))
-
-    if hasattr(cfg, 'variant'):
-        variants = models[cfg.model]['variants']
-        if cfg.variant not in variants:
-            raise ValueError(f"Invalid variant for {cfg.model}: {cfg.variant}")
-    else:
-        setattr(cfg, 'variant', None)
-
-    return cfg
-
-
 def run_chain(work_root, model_cfg, cfg, start_time, hstart, hstop, job_names,
               force):
     """Run chain ignoring already finished jobs.
@@ -242,7 +206,7 @@ def run_chain(work_root, model_cfg, cfg, start_time, hstart, hstop, job_names,
     inidate_int2lm_yyyymmddhh = (start_time +
                                  timedelta(hours=hstart)).strftime('%Y%m%d%H')
 
-    if cfg.variant == 'spinup':
+    if hasattr(cfg, 'spinup'):
         if cfg.first_one:  # first run in spinup
             chain_root_last_run = ''
         else:  # consecutive runs in spinup
@@ -308,7 +272,7 @@ def run_chain(work_root, model_cfg, cfg, start_time, hstart, hstop, job_names,
                 raise FileNotFoundError(f"File not found: {tracer_csvfile}")
 
             # tracer_start namelist paramter for spinup simulation
-            if cfg.variant == 'spinup':
+            if hasattr(cfg, 'spinup'):
                 if cfg.first_one:
                     setattr(cfg, 'tracer_start', 0)
                 else:
@@ -331,7 +295,7 @@ def run_chain(work_root, model_cfg, cfg, start_time, hstart, hstop, job_names,
                                                  "gpu or mc")
 
     # Spinup
-    if cfg.variant == 'spinup':
+    if hasattr(cfg, 'spinup'):
         setattr(cfg, 'last_cosmo_output',
                 os.path.join(chain_root_last_run, 'cosmo', 'output'))
         # No restart for spinup simulations (= default values for no restart)
@@ -645,18 +609,10 @@ def load_model_config_yaml(yamlfile):
 
         print(f"Starting chain for case {casename} and model {cfg.model}")
 
+        # check for restart compatibility and spinup
         if 'restart' in model_cfg['models'][cfg.model]['features']:
-            if cfg.variant is None:
-                restart_runs(work_root=cfg.work_root,
-                             model_cfg=model_cfg,
-                             cfg=cfg,
-                             start=start_time,
-                             hstart=args.hstart,
-                             hstop=args.hstop,
-                             job_names=args.job_list,
-                             force=args.force)
-            elif cfg.variant == 'spinup':
-                print(f"Model variant is {cfg.variant}")
+            if hasattr(cfg, 'spinup'):
+                print("This is a spinup simulation.")
                 restart_runs_spinup(work_root=cfg.work_root,
                                     model_cfg=model_cfg,
                                     cfg=cfg,
@@ -666,9 +622,17 @@ def load_model_config_yaml(yamlfile):
                                     job_names=args.job_list,
                                     force=args.force)
             else:
-                raise RuntimeError(f"Unknown variant: {cfg.variant}")
+                print("Built-in model restart is used.")
+                restart_runs(work_root=cfg.work_root,
+                             model_cfg=model_cfg,
+                             cfg=cfg,
+                             start=start_time,
+                             hstart=args.hstart,
+                             hstop=args.hstop,
+                             job_names=args.job_list,
+                             force=args.force)
         else:
-            # cosmoart can't do restarts
+            print("No restart is used.")
             run_chain(work_root=cfg.work_root,
                       cfg=cfg,
                       start_time=start_time,