add a evolven3fit check action to look for the eko at setupfit time

n3fit/src/n3fit/checks.py

@@ -9,6 +9,7 @@
 from n3fit.hyper_optimization import penalties as penalties_module
 from n3fit.hyper_optimization.rewards import IMPLEMENTED_LOSSES, IMPLEMENTED_STATS
 from reportengine.checks import CheckError, make_argcheck
+from validphys.loader import FallbackLoader
 from validphys.pdfbases import check_basis
 
 log = logging.getLogger(__name__)
@@ -485,3 +486,14 @@ def check_polarized_configs(fitting, fitbasis, positivity_bound):
             )
         if fitting.get("sum_rules", True) and fitting.get("sum_rules") != "TSR":
             raise CheckError("The 'sum_rules' key needs to be 'TSR' for polarised PDF fits.")
+
+
+@make_argcheck
+def check_eko_exists(theoryid):
+    """Check that an eko for this theory exists.
+    Since there might still be theories without an associated eko,
+    this function raises a logger' error instead of an Exception."""
+    try:
+        _ = FallbackLoader().check_eko(theoryid.id)
+    except FileNotFoundError:
+        log.error(f"No eko found for {theoryid}")

n3fit/src/n3fit/n3fit_checks_provider.py

@@ -32,3 +32,8 @@ def n3fit_checks_action(
     double_precision=False,
 ):
     return
+
+
+@n3fit.checks.check_eko_exists
+def evolven3fit_checks_action(theoryid):
+    return

n3fit/src/n3fit/scripts/vp_setupfit.py

@@ -38,7 +38,13 @@
 from validphys.app import App
 from validphys.config import Config, ConfigError, Environment, EnvironmentError_
 
-SETUPFIT_FIXED_CONFIG = dict(actions_=['datacuts check_t0pdfset', 'theory check_positivity'])
+SETUPFIT_FIXED_CONFIG = dict(
+    actions_=[
+        'datacuts check_t0pdfset',
+        'theory check_positivity',
+        'theory evolven3fit_checks_action',
+    ]
+)
 
 SETUPFIT_PROVIDERS = [
     'n3fit.n3fit_checks_provider',
@@ -159,6 +165,7 @@ def from_yaml(cls, o, *args, **kwargs):
             SETUPFIT_FIXED_CONFIG['actions_'].append('positivity_bound check_unpolarized_bc')
         for k, v in SETUPFIT_DEFAULTS.items():
             file_content.setdefault(k, v)
+
         file_content.update(SETUPFIT_FIXED_CONFIG)
         return cls(file_content, *args, **kwargs)