CI + bugfixes. (#5)

.github/workflows/build.yml

@@ -0,0 +1,28 @@
+name: build
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9"]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip wheel pytest
+          pip install -e .
+      - name: Test with pytest
+        run: |
+          pytest

obj2mjcf/_cli.py

@@ -113,7 +113,9 @@ def from_string(lines: Sequence[str]) -> "Material":
         for line in lines[1:]:
             for attr in _MTL_FIELDS:
                 if line.startswith(attr):
-                    attrs[attr] = " ".join(line.split(" ")[1:])
+                    elems = line.split(" ")[1:]
+                    elems = [elem for elem in elems if elem != ""]
+                    attrs[attr] = " ".join(elems)
                     break
         return Material(**attrs)
 
@@ -205,7 +207,8 @@ def decompose_convex(filename: Path, work_dir: Path, vhacd_args: VhacdArgs) -> b
         # Remove the original obj file and the V-HACD output files.
         for name in _VHACD_OUTPUTS + [obj_file.name]:
             file_to_delete = Path(tmpdirname) / name
-            file_to_delete.unlink(missing_ok=True)
+            if file_to_delete.exists():
+                file_to_delete.unlink()
 
         os.chdir(prev_dir)
 
@@ -479,7 +482,8 @@ def process_obj(filename: Path, args: Args) -> None:
         except Exception as e:
             cprint(f"Error compiling model: {e}", "red")
         finally:
-            tmp_path.unlink(missing_ok=True)
+            if tmp_path.exists():
+                tmp_path.unlink()
 
     # Dump.
     if args.save_mjcf:

setup.py

@@ -26,6 +26,7 @@
     "dcargs>=0.0.21",
     "numpy",
     "termcolor",
+    "lxml",
 ]
 
 classifiers = [