diff --git a/src/odoo_addons_path/__init__.py b/src/odoo_addons_path/__init__.py
index 5bd72e8..237f911 100644
--- a/src/odoo_addons_path/__init__.py
+++ b/src/odoo_addons_path/__init__.py
@@ -1,4 +1,4 @@
 from .cli import app
-from .main import get_addons_path
+from .main import detect_codebase_layout, get_addons_path, get_odoo_version_from_release
 
-__all__ = ["app", "get_addons_path"]
+__all__ = ["app", "detect_codebase_layout", "get_addons_path", "get_odoo_version_from_release"]
diff --git a/src/odoo_addons_path/main.py b/src/odoo_addons_path/main.py
index 0da6e56..06a61d4 100644
--- a/src/odoo_addons_path/main.py
+++ b/src/odoo_addons_path/main.py
@@ -1,3 +1,4 @@
+import re
 from pathlib import Path
 
 import typer
@@ -15,7 +16,7 @@ def _add_to_path(path_list: list[str], dirs_to_add: list[Path], is_sorted: bool
                 path_list.append(resolved_path)
 
 
-def _detect_codebase_layout(codebase: Path, verbose: bool = False) -> dict:
+def detect_codebase_layout(codebase: Path, verbose: bool = False) -> dict:
     trobz = TrobzDetector()
     c2c = C2CDetector()
     odoo_sh = OdooShDetector()
@@ -32,6 +33,18 @@ def _detect_codebase_layout(codebase: Path, verbose: bool = False) -> dict:
     return detected_paths
 
 
+def get_odoo_version_from_release(odoo_dir: Path) -> str | None:
+    """Read the Odoo version (e.g. '18.0') from ``odoo/release.py``."""
+    release_py = odoo_dir / "odoo" / "release.py"
+    if not release_py.is_file():
+        return None
+    content = release_py.read_text()
+    match = re.search(r"version_info\s*=\s*\((\d+),\s*(\d+)", content)
+    if match:
+        return f"{match.group(1)}.{match.group(2)}"
+    return None
+
+
 def _process_paths(
     all_paths: dict[str, list[str]],
     detected_paths: dict,
@@ -73,18 +86,18 @@ def get_addons_path(
     addons_dir: list[Path] | None = None,
     odoo_dir: Path | None = None,
     verbose: bool = False,
+    detected_paths: dict | None = None,
 ) -> str:
     all_paths: dict[str, list[str]] = {
         "odoo_dir": [],
         "addon_repositories": [],
     }
 
-    detected_paths = {}
     # Skip detector only if both paths are None (no explicit paths provided)
-    if not addons_dir and not odoo_dir:
-        detected_paths = _detect_codebase_layout(codebase, verbose)
+    if detected_paths is None and not addons_dir and not odoo_dir:
+        detected_paths = detect_codebase_layout(codebase, verbose)
 
-    _process_paths(all_paths, detected_paths, addons_dir, odoo_dir)
+    _process_paths(all_paths, detected_paths or {}, addons_dir, odoo_dir)
 
     result = [path for paths in all_paths.values() for path in paths]
     addons_path = ",".join(result)
diff --git a/tests/test_get_addons_path.py b/tests/test_get_addons_path.py
index a27980a..3476cd9 100644
--- a/tests/test_get_addons_path.py
+++ b/tests/test_get_addons_path.py
@@ -3,7 +3,7 @@
 
 import pytest
 
-from odoo_addons_path.main import get_addons_path
+from odoo_addons_path.main import detect_codebase_layout, get_addons_path, get_odoo_version_from_release
 
 
 @pytest.fixture
@@ -72,3 +72,50 @@ def test_layouts(base_dir: Path, layout: str, expected_paths: list[str]):
     result = get_addons_path(base_dir)
 
     assert result == expected_addons_path
+
+
+@pytest.mark.parametrize("layout", ["trobz", "c2c", "doodba", "odoo-sh"])
+def test_detect_codebase_layout(base_dir: Path, layout: str):
+    shutil.copytree(Path(__file__).parent / "data" / layout, base_dir, dirs_exist_ok=True)
+
+    result = detect_codebase_layout(base_dir)
+
+    assert isinstance(result, dict)
+    assert "odoo_dir" in result or "addons_dirs" in result or "addons_dir" in result
+
+
+def test_get_odoo_version_from_release(tmp_path: Path):
+    release_dir = tmp_path / "odoo"
+    release_dir.mkdir()
+    release_py = release_dir / "release.py"
+    release_py.write_text("version_info = (18, 0, 0, 'final', 0)\nversion = '18.0'\n")
+
+    result = get_odoo_version_from_release(tmp_path)
+
+    assert result == "18.0"
+
+
+def test_get_odoo_version_from_release_missing(tmp_path: Path):
+    result = get_odoo_version_from_release(tmp_path)
+
+    assert result is None
+
+
+def test_get_odoo_version_from_release_no_version_info(tmp_path: Path):
+    release_dir = tmp_path / "odoo"
+    release_dir.mkdir()
+    (release_dir / "release.py").write_text("# no version_info here\n")
+
+    result = get_odoo_version_from_release(tmp_path)
+
+    assert result is None
+
+
+def test_get_addons_path_with_detected_paths(base_dir: Path):
+    shutil.copytree(Path(__file__).parent / "data" / "trobz", base_dir, dirs_exist_ok=True)
+
+    detected = detect_codebase_layout(base_dir)
+    result_auto = get_addons_path(base_dir)
+    result_predetected = get_addons_path(base_dir, detected_paths=detected)
+
+    assert result_auto == result_predetected