[ci] Try fixing context processor

vrobbler/context_processors.py

@@ -1,31 +1,29 @@
+import os
 import subprocess
+from importlib.metadata import version as get_version
 from pathlib import Path
 
 
 def version_info(request):
-    PROJECT_ROOT = Path(__file__).resolve().parent.parent
     try:
-        commit = (
-            subprocess.check_output(
-                ["git", "rev-parse", "--short", "HEAD"],
-                cwd=PROJECT_ROOT,
-                stderr=subprocess.DEVNULL,
-            )
-            .decode("utf-8")
-            .strip()
-        )
-    except (subprocess.SubprocessError, FileNotFoundError):
-        commit = "unknown"
-
-    try:
-        pyproject = PROJECT_ROOT / "pyproject.toml"
-        version = "unknown"
-        if pyproject.exists():
-            for line in pyproject.read_text().splitlines():
-                if line.startswith("version = "):
-                    version = line.split("=")[1].strip().strip('"')
-                    break
+        app_version = get_version("vrobbler")
     except Exception:
-        version = "unknown"
+        app_version = "unknown"
 
-    return {"app_version": version, "git_commit": commit}
+    commit = os.environ.get("VROBBLER_COMMIT")
+    if not commit:
+        PROJECT_ROOT = Path(__file__).resolve().parent.parent
+        try:
+            commit = (
+                subprocess.check_output(
+                    ["git", "rev-parse", "--short", "HEAD"],
+                    cwd=PROJECT_ROOT,
+                    stderr=subprocess.DEVNULL,
+                )
+                .decode("utf-8")
+                .strip()
+            )
+        except (subprocess.SubprocessError, FileNotFoundError):
+            commit = "unknown"
+
+    return {"app_version": app_version, "git_commit": commit}