Add __file__ attributes to everything on load

Closes #96 and #103

sxs/handlers.py

@@ -282,7 +282,7 @@ def load(location, download=None, cache=None, progress=None, truepath=None, **kw
 
         elif location == "simulations":
             return Simulations.load(download=download)
-        
+
         elif sxs_id_version_lev_exact_re.match(location):
             return Simulation(location, download=download, cache=cache, progress=progress, **kwargs)
 
@@ -311,7 +311,12 @@ def load(location, download=None, cache=None, progress=None, truepath=None, **kw
 
     loader = sxs_loader(path, kwargs.get("group", None))
 
-    return loader(path, **kwargs)
+    loaded = loader(path, **kwargs)
+    try:
+        loaded.__file__ = str(path)
+    except:
+        pass
+    return loaded
 
 
 def load_via_sxs_id(sxsid, location, *, download=None, cache=None, progress=None, truepath=None, **kwargs):

sxs/metadata/metadata.py

@@ -90,7 +90,7 @@ def from_file(cls, file_name, ignore_invalid_lines=False, cache_json=True):
                 else:
                     return cls.from_json_file(json_path)
             else:
-                raise ValueError(f"Could not find file named '{file_name}', '{json_path}', or '{txt_path}'")
+                raise ValueError(f"Could not find file named '{json_path}' or '{txt_path}'")
 
     load = from_file
 

sxs/simulations/simulation.py

@@ -95,7 +95,8 @@ def Simulation(location, *args, **kwargs):
     arguments other than those listed above.
     
     """
-    from .. import load
+    from .. import load, sxs_directory
+    from ..utilities import sxs_path_to_system_path
 
     # Extract the simulation ID, version, and Lev from the location string
     simulation_id, input_version = sxs_id_and_version(location)
@@ -202,15 +203,17 @@ def Simulation(location, *args, **kwargs):
     # Finally, figure out which version of the simulation to load and dispatch
     version_number = float(version[1:])
     if 1 <= version_number < 2.0:
-        return Simulation_v1(
+        sim = Simulation_v1(
             metadata, series, version, sxs_id_stem, sxs_id, url, files, lev_numbers, output_lev_number, location, *args, **kwargs
         )
     elif 2 <= version_number < 3.0:
-        return Simulation_v2(
+        sim = Simulation_v2(
             metadata, series, version, sxs_id_stem, sxs_id, url, files, lev_numbers, output_lev_number, location, *args, **kwargs
         )
     else:
         raise ValueError(f"Version '{version}' not yet supported")
+    sim.__file__ = str(sxs_directory("cache") / sxs_path_to_system_path(sim.sxs_id))
+    return sim
 
 
 class SimulationBase:

sxs/simulations/simulations.py

@@ -157,7 +157,9 @@ def load(cls, download=None):
         except Exception as e:
             raise ValueError(f"Failed to open '{cache_path}' as a ZIP file") from e
 
-        return cls(simulations)
+        sims = cls(simulations)
+        sims.__file__ = str(cache_path)
+        return sims
 
     @classmethod
     def reload(cls, download=True):