05/23 Phase 8

core/exporter.py

@@ -18,9 +18,9 @@ import openpyxl
 from openpyxl.styles import Alignment, Font, PatternFill
 
 from db.models import get_draws_with_game, get_game_by_id, get_predictions
+from core.paths import user_data_dir
 
-BASE_DIR    = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
-EXPORTS_DIR = os.path.join(BASE_DIR, "exports")
+EXPORTS_DIR = os.path.join(user_data_dir(), "exports")
 
 
 def ensure_exports_dir():

core/paths.py

@@ -0,0 +1,33 @@
+"""
+core/paths.py
+-------------
+Runtime path resolution that works both in development and when
+frozen by PyInstaller (--onefile or directory build).
+
+  user_data_dir()    — mutable data root (DB, exports) — next to the .exe
+  bundled_asset(rel) — read-only asset path (icon etc.) — extracted bundle
+"""
+
+import os
+import sys
+
+
+def user_data_dir() -> str:
+    """Root for mutable user data. Next to the .exe when frozen."""
+    if getattr(sys, "frozen", False):
+        return os.path.dirname(sys.executable)
+    # development: two levels up from core/paths.py  →  project root
+    return os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+def bundled_asset(relative_path: str) -> str:
+    """Absolute path to a read-only bundled asset (icon, etc.).
+
+    In a onefile build sys._MEIPASS is the temp extraction dir;
+    in a directory build it equals the exe directory.
+    """
+    if getattr(sys, "frozen", False):
+        base = sys._MEIPASS  # type: ignore[attr-defined]
+    else:
+        base = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    return os.path.join(base, relative_path)