Moved RUNNER to BaseBackend

Author: mikicz

arca/_arca.py

@@ -31,8 +31,6 @@ class Arca:
 
     """
 
-    RUNNER = Path(__file__).parent.resolve() / "_runner.py"
-
     base_dir: str = LazySettingProperty(default=".arca")
     single_pull: bool = LazySettingProperty(default=False, convert=bool)
     ignore_cache_errors: bool = LazySettingProperty(default=False, convert=bool)

arca/backend/base.py

@@ -24,6 +24,8 @@ class BaseBackend:
     * **cwd**: Relative path to the required working directory. (default is ``""``, the root of the repo)
     """
 
+    RUNNER = Path(__file__).parent.parent.resolve() / "_runner.py"
+
     requirements_location: str = LazySettingProperty(default="requirements.txt")
     cwd: str = LazySettingProperty(default="")
 
@@ -153,7 +155,7 @@ def run(self, repo: str, branch: str, task: Task, git_repo: Repo, repo_path: Pat
             logger.debug("Running with python %s", python_path)
 
             process = subprocess.Popen([python_path,
-                                        str(self._arca.RUNNER),
+                                        str(self.RUNNER),
                                         str(task_path.resolve())],
                                        stdout=subprocess.PIPE,
                                        stderr=subprocess.PIPE,

arca/backend/docker.py

@@ -614,7 +614,7 @@ def tar_files(self, path: Path) -> bytes:
     def tar_runner(self):
         """ Returns a tar with the runner script.
         """
-        script_bytes = self._arca.RUNNER.read_bytes()
+        script_bytes = self.RUNNER.read_bytes()
 
         tarstream = BytesIO()
         tar = tarfile.TarFile(fileobj=tarstream, mode='w')

arca/backend/vagrant.py

@@ -141,7 +141,7 @@ def init_vagrant(self, vagrant_file):
         end
         """))
 
-        (vagrant_file.parent / "runner.py").write_text(self._arca.RUNNER.read_text())
+        (vagrant_file.parent / "runner.py").write_text(self.RUNNER.read_text())
 
     @property
     def fabric_task(self):