Merge pull request #514 from messense/setup-debug

Show `cargo rustc` output when `pip install maturin` from sdist failed
PyO3 · Apr 26, 2021 · 9f5afe0 · 9f5afe0
2 parents 8cf3a46 + 6da0470
commit 9f5afe0
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -69,7 +69,12 @@ def run(self):
 
             cargo_args.extend(["--", "-C", "link-arg=-s"])
 
-            metadata = json.loads(subprocess.check_output(cargo_args).splitlines()[-2])
+            try:
+                metadata = json.loads(
+                    subprocess.check_output(cargo_args).splitlines()[-2]
+                )
+            except subprocess.CalledProcessError as exc:
+                raise RuntimeError("build maturin failed:\n" + exc.output.decode())
             print(metadata)
             assert metadata["target"]["name"] == "maturin"
             source = metadata["filenames"][0]