Local Git Provider Implementation

pr_agent/config_loader.py

@@ -1,7 +1,11 @@
 from os.path import abspath, dirname, join
+from pathlib import Path
+from typing import Optional
 
 from dynaconf import Dynaconf
 
+PR_AGENT_TOML_KEY = 'pr-agent'
+
 current_dir = dirname(abspath(__file__))
 settings = Dynaconf(
     envvar_prefix=False,
@@ -18,3 +22,31 @@ settings = Dynaconf(
          "settings_prod/.secrets.toml"
         ]]
 )
+
+
+# Add local configuration from pyproject.toml of the project being reviewed
+def _find_repository_root() -> Path:
+    """
+    Identify project root directory by recursively searching for the .git directory in the parent directories.
+    """
+    cwd = Path.cwd().resolve()
+    no_way_up = False
+    while not no_way_up:
+        no_way_up = cwd == cwd.parent
+        if (cwd / ".git").is_dir():
+            return cwd
+        cwd = cwd.parent
+    raise FileNotFoundError("Could not find the repository root directory")
+
+
+def _find_pyproject() -> Optional[Path]:
+    """
+    Search for file pyproject.toml in the repository root.
+    """
+    pyproject = _find_repository_root() / "pyproject.toml"
+    return pyproject if pyproject.is_file() else None
+
+
+pyproject_path = _find_pyproject()
+if pyproject_path is not None:
+    settings.load_file(pyproject_path, env=f'tool.{PR_AGENT_TOML_KEY}')