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Adding extra info about error when hostfxr not found or loaded properly. #76

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Merged
merged 1 commit into from
Aug 14, 2025
Merged

Adding extra info about error when hostfxr not found or loaded properly. #76

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12 changes: 7 additions & 5 deletions clr_loader/ffi/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,18 +23,20 @@ def load_hostfxr(dotnet_root: Path):
hostfxr_path = dotnet_root / "host" / "fxr"
hostfxr_paths = hostfxr_path.glob(f"?.*/{hostfxr_name}")

error_report = list()

for hostfxr_path in reversed(sorted(hostfxr_paths, key=_path_to_version)):
try:
return ffi.dlopen(str(hostfxr_path))
except Exception:
pass
except Exception as err:
error_report.append(f"Path {hostfxr_path} gave the following error:\n{err}")

try:
return ffi.dlopen(str(dotnet_root / hostfxr_name))
except Exception:
pass
except Exception as err:
error_report.append(f"Path {hostfxr_path} gave the following error:\n{err}")

raise RuntimeError(f"Could not find a suitable hostfxr library in {dotnet_root}")
raise RuntimeError(f"Could not find a suitable hostfxr library in {dotnet_root}. The following paths were scanned:\n\n"+("\n\n".join(error_report)))


def load_mono(path: Optional[Path] = None):
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