Add a quiet flag for cashocs-convert

cashocs/_cli/_convert.py

@@ -27,6 +27,8 @@
 import meshio
 import numpy as np
 
+from cashocs import _loggers
+
 
 def _generate_parser() -> argparse.ArgumentParser:
     """Returns a parser for command line arguments."""
@@ -44,6 +46,7 @@ def _generate_parser() -> argparse.ArgumentParser:
         default=None,
         metavar="outfile",
     )
+    parser.add_argument("-q", "--quiet", action="store_true")
 
     return parser
 
@@ -213,6 +216,8 @@ def convert(argv: Optional[List[str]] = None) -> None:
         outputfile = f"{inputfile[:-4]}.xdmf"
     check_file_extension(outputfile, "xdmf")
 
+    quiet = args.quiet
+
     ostring = outputfile.rsplit(".", 1)[0]
 
     mesh_collection = meshio.read(inputfile)
@@ -239,11 +244,11 @@ def convert(argv: Optional[List[str]] = None) -> None:
     check_for_physical_names(inputfile, topological_dimension, ostring)
 
     end_time = time.time()
-    print(
-        f"cashocs - info: Successfully converted {inputfile} to {outputfile} "
-        f"in {end_time - start_time:.2f} s",
-        flush=True,
-    )
+    if not quiet:
+        _loggers.info(
+            f"Successfully converted {inputfile} to {outputfile} "
+            f"in {end_time - start_time:.2f} s"
+        )
 
 
 if __name__ == "__main__":

cashocs/io/mesh.py

@@ -289,21 +289,28 @@ def import_mesh(input_arg: Union[str, config_module.Config]) -> _typing.MeshTupl
     return mesh, subdomains, boundaries, dx, ds, d_interior_facet
 
 
-def convert(input_file: str, output_file: Optional[str] = None) -> None:
+def convert(
+    input_file: str, output_file: Optional[str] = None, quiet: bool = False
+) -> None:
     """Converts the input mesh file to a xdmf mesh file for cashocs to work with.
 
     Args:
         input_file: A gmsh .msh file.
         output_file: The name of the output .xdmf file or ``None``. If this is ``None``,
             then a file name.msh will be converted to name.xdmf, i.e., the name of the
             input file stays the same
+        quiet: A boolean flag which silences the output.
 
     """
     if fenics.MPI.rank(fenics.MPI.comm_world) == 0:
-        if output_file is None:
-            cli_convert([input_file])
-        else:
-            cli_convert([input_file, "-o", output_file])
+        args = [input_file]
+
+        if output_file is not None:
+            args += ["-o", output_file]
+        if quiet:
+            args += ["-q"]
+
+        cli_convert(args)
 
     fenics.MPI.barrier(fenics.MPI.comm_world)