Prevent some warnings for input files where we know that no reference…

… metadata is available

src/ctapipe/core/provenance.py

@@ -96,7 +96,7 @@ def _get_current_or_start_activity(self):
 
         return self.current_activity
 
-    def add_input_file(self, filename, role=None):
+    def add_input_file(self, filename, role=None, add_meta=True):
         """register an input to the current activity
 
         Parameters
@@ -107,14 +107,14 @@ def add_input_file(self, filename, role=None):
             role this input file satisfies (optional)
         """
         activity = self._get_current_or_start_activity()
-        activity.register_input(abspath(filename), role=role)
+        activity.register_input(abspath(filename), role=role, add_meta=add_meta)
         log.debug(
             "added input entity '%s' to activity: '%s'",
             filename,
             activity.name,
         )
 
-    def add_output_file(self, filename, role=None):
+    def add_output_file(self, filename, role=None, add_meta=True):
         """
         register an output to the current activity
 
@@ -127,7 +127,7 @@ def add_output_file(self, filename, role=None):
 
         """
         activity = self._get_current_or_start_activity()
-        activity.register_output(abspath(filename), role=role)
+        activity.register_output(abspath(filename), role=role, add_meta=add_meta)
         log.debug(
             "added output entity '%s' to activity: '%s'",
             filename,
@@ -244,7 +244,7 @@ def start(self):
         self._prov["start"].update(_sample_cpu_and_memory())
         self._prov["system"].update(_get_system_provenance())
 
-    def register_input(self, url, role=None):
+    def register_input(self, url, role=None, add_meta=True):
         """
         Add a URL of a file to the list of inputs (can be a filename or full
         url, if no URL specifier is given, assume 'file://')
@@ -255,13 +255,16 @@ def register_input(self, url, role=None):
             filename or url of input file
         role: str
             role name that this input satisfies
+        add_meta: bool
+            If true, try to load reference metadata from input file
+            and add to provenance.
         """
-        reference_meta = self._get_reference_meta(url=url)
+        reference_meta = self._get_reference_meta(url=url) if add_meta else None
         self._prov["input"].append(
             dict(url=url, role=role, reference_meta=reference_meta)
         )
 
-    def register_output(self, url, role=None):
+    def register_output(self, url, role=None, add_meta=True):
         """
         Add a URL of a file to the list of outputs (can be a filename or full
         url, if no URL specifier is given, assume 'file://')
@@ -275,8 +278,11 @@ def register_output(self, url, role=None):
             filename or url of output file
         role: str
             role name that this output satisfies
+        add_meta: bool
+            If true, try to load reference metadata from input file
+            and add to provenance.
         """
-        reference_meta = self._get_reference_meta(url=url)
+        reference_meta = self._get_reference_meta(url=url) if add_meta else None
         self._prov["output"].append(
             dict(url=url, role=role, reference_meta=reference_meta)
         )

src/ctapipe/core/tool.py

@@ -283,7 +283,7 @@ def load_config_file(self, path: str | pathlib.Path) -> None:
             # fall back to traitlets.config.Application's implementation
             super().load_config_file(str(path))
 
-        Provenance().add_input_file(path, role="Tool Configuration")
+        Provenance().add_input_file(path, role="Tool Configuration", add_meta=False)
 
     def update_logging_config(self):
         """Update the configuration of loggers."""

src/ctapipe/io/simteleventsource.py

@@ -345,8 +345,12 @@ def read_atmosphere_profile_from_simtel(
 
     if isinstance(simtelfile, str | Path):
         context_manager = SimTelFile(simtelfile)
+        # FIXME: simtel files currently do not have CTAO reference
+        # metadata, should be set to True once we store metadata
         Provenance().add_input_file(
-            filename=simtelfile, role="ctapipe.atmosphere.AtmosphereDensityProfile"
+            filename=simtelfile,
+            role="ctapipe.atmosphere.AtmosphereDensityProfile",
+            add_meta=False,
         )
 
     else:

src/ctapipe/reco/reconstructor.py

@@ -150,7 +150,8 @@ def read(cls, path, parent=None, subarray=None, **kwargs):
         for attr, value in kwargs.items():
             setattr(instance, attr, value)
 
-        Provenance().add_input_file(path, role="reconstructor")
+        # FIXME: we currently don't store metadata in the joblib / pickle files, see #2603
+        Provenance().add_input_file(path, role="reconstructor", add_meta=False)
         return instance
 
 

src/ctapipe/reco/sklearn.py

@@ -670,7 +670,8 @@ def read(cls, path, **kwargs):
                 f"{path} did not contain an instance of {cls}, got {instance}"
             )
 
-        Provenance().add_input_file(path, role="ml-models")
+        # FIXME: we currently don't store metadata in the joblib / pickle files, see #2603
+        Provenance().add_input_file(path, role="ml-models", add_meta=False)
         return instance
 
     @lazyproperty