Less noisy output

training/convert_grandstaff.py

@@ -18,7 +18,8 @@
 from homr.staff_dewarping import warp_image_randomly
 from homr.staff_parsing import add_image_into_tr_omr_canvas
 from homr.type_definitions import NDArray
-from training.music_xml import music_xml_to_semantic
+from training.musescore_svg import SvgValidationError
+from training.music_xml import MusicXmlValidationError, music_xml_to_semantic
 
 script_location = os.path.dirname(os.path.realpath(__file__))
 git_root = Path(script_location).parent.absolute()
@@ -205,7 +206,9 @@ def _music_xml_to_semantic(path: str, basename: str) -> tuple[str | None, str |
     return basename + "_upper.semantic", basename + "_lower.semantic"
 
 
-def _convert_file(path: Path, ony_recreate_semantic_files: bool = False) -> list[str]:
+def _convert_file(  # noqa: PLR0911
+    path: Path, ony_recreate_semantic_files: bool = False
+) -> list[str]:
     try:
         basename = str(path).replace(".krn", "")
         image_file = str(path).replace(".krn", ".jpg")
@@ -238,6 +241,8 @@ def _convert_file(path: Path, ony_recreate_semantic_files: bool = False) -> list
             + ","
             + str(Path(lower_semantic).relative_to(git_root)),
         ]
+    except (SvgValidationError, MusicXmlValidationError):
+        return []
     except Exception as e:
         eprint("Failed to convert ", path, e)
         return []

training/musescore_svg.py

@@ -6,6 +6,10 @@
 from homr.simple_logging import eprint
 
 
+class SvgValidationError(Exception):
+    pass
+
+
 class SvgRectangle:
     def __init__(self, x: int, y: int, width: int, height: int):
         self.x = x
@@ -150,7 +154,7 @@ def get_position_information_from_svg(svg_file: str) -> SvgMusicFile:
             number_of_clefs += 1
     combined = _combine_staff_lines_and_bar_lines(staff_lines, bar_lines)
     if len(combined) != number_of_clefs:
-        raise ValueError(
+        raise SvgValidationError(
             f"Number of clefs {number_of_clefs} does not match the number of staffs {len(combined)}"
         )
     return SvgMusicFile(svg_file, width, height, combined)

training/music_xml.py

@@ -7,6 +7,10 @@
 from homr.simple_logging import eprint
 
 
+class MusicXmlValidationError(Exception):
+    pass
+
+
 class SymbolWithPosition:
     def __init__(self, position: int, symbol: str) -> None:
         self.position = position
@@ -92,7 +96,7 @@ def append_clefs(self, clefs: list[str]) -> None:
                 raise ValueError("Number of clefs changed")
             for staff, clef in enumerate(clefs):
                 if not any(symbol.symbol == clef for symbol in self.current_measure.staffs[staff]):
-                    raise ValueError("Clef changed")
+                    raise MusicXmlValidationError("Clef changed")
             return
         self.staffs = [[] for _ in range(len(clefs))]
         measure = SemanticMeasure(len(clefs))