Improved NodeJS interpreter interaction

- Catch AttributeError in `__del__` if process was not initialized and self.proc was not created
- Skip test_jsnode if node is not installed
- Removed package-lock from gitignore

.gitignore

@@ -113,4 +113,3 @@ tests/samples/login_pswd.txt
 
 # NPM
 node_modules/
-package-lock.json

python_aternos/atjsparse.py

@@ -108,8 +108,13 @@ class NodeInterpreter(Interpreter):
         return json.loads(resp.content)
 
     def __del__(self) -> None:
+        try:
             self.proc.terminate()
             self.proc.communicate()
+        except AttributeError:
+            logging.warning(
+                'NodeJS process was not initialized'
+            )
 
 
 class Js2PyInterpreter(Interpreter):

python_aternos/data/package-lock.json

@@ -0,0 +1,67 @@
+{
+  "name": "data",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "vm2": "^3.9.13"
+      }
+    },
+    "node_modules/acorn": {
+      "version": "8.8.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.1.tgz",
+      "integrity": "sha512-7zFpHzhnqYKrkYdUjF1HI1bzd0VygEGX8lFk4k5zVMqHEoES+P+7TKI+EvLO9WVMJ8eekdO0aDEK044xTXwPPA==",
+      "bin": {
+        "acorn": "bin/acorn"
+      },
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/acorn-walk": {
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
+      "integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA==",
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/vm2": {
+      "version": "3.9.13",
+      "resolved": "https://registry.npmjs.org/vm2/-/vm2-3.9.13.tgz",
+      "integrity": "sha512-0rvxpB8P8Shm4wX2EKOiMp7H2zq+HUE/UwodY0pCZXs9IffIKZq6vUti5OgkVCTakKo9e/fgO4X1fkwfjWxE3Q==",
+      "dependencies": {
+        "acorn": "^8.7.0",
+        "acorn-walk": "^8.2.0"
+      },
+      "bin": {
+        "vm2": "bin/vm2"
+      },
+      "engines": {
+        "node": ">=6.0"
+      }
+    }
+  },
+  "dependencies": {
+    "acorn": {
+      "version": "8.8.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.8.1.tgz",
+      "integrity": "sha512-7zFpHzhnqYKrkYdUjF1HI1bzd0VygEGX8lFk4k5zVMqHEoES+P+7TKI+EvLO9WVMJ8eekdO0aDEK044xTXwPPA=="
+    },
+    "acorn-walk": {
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.2.0.tgz",
+      "integrity": "sha512-k+iyHEuPgSw6SbuDpGQM+06HQUa04DZ3o+F6CSzXMvvI5KMvnaEqXe+YVe555R9nn6GPt404fos4wcgpw12SDA=="
+    },
+    "vm2": {
+      "version": "3.9.13",
+      "resolved": "https://registry.npmjs.org/vm2/-/vm2-3.9.13.tgz",
+      "integrity": "sha512-0rvxpB8P8Shm4wX2EKOiMp7H2zq+HUE/UwodY0pCZXs9IffIKZq6vUti5OgkVCTakKo9e/fgO4X1fkwfjWxE3Q==",
+      "requires": {
+        "acorn": "^8.7.0",
+        "acorn-walk": "^8.2.0"
+      }
+    }
+  }
+}

tests/test_jsnode.py

@@ -12,7 +12,13 @@ class TestJsNode(unittest.TestCase):
 
         self.tests = files.read_sample('token_input.txt')
         self.results = files.read_sample('token_output.txt')
+
+        try:
             self.js = atjsparse.NodeInterpreter()
+        except OSError as err:
+            self.skipTest(
+                f'Unable to start NodeJS interpreter: {err}'
+            )
 
     def test_exec(self) -> None: