Merge pull request #331 from ax3l/fix-improve-bp-hints

h5py: improve hints for `.bp` & other files
openPMD · Feb 24, 2022 · e9adcb9 · e9adcb9
2 parents fb4e9f6 + 54f772c
commit e9adcb9
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/openpmd_viewer/openpmd_timeseries/data_reader/data_reader.py b/openpmd_viewer/openpmd_timeseries/data_reader/data_reader.py
@@ -81,7 +81,9 @@ def list_iterations(self, path_to_dir):
                 raise RuntimeError(
                     "Found no valid files in directory {0}.\n"
                     "Please check that this is the path to the openPMD files."
-                    "(valid files must have the extension '.h5')"
+                    "Valid files must have the extension '.h5' if you "
+                    "use the `h5py` backend. For ADIOS '.bp' and other files, "
+                    "please install the `openpmd-api` package."
                     .format(path_to_dir))
         elif self.backend == 'openpmd-api':
             # guess file ending from first file in directory