Support repo-specific configuration file

pr_agent/agent/pr_agent.py

@@ -1,7 +1,10 @@
+import os
 import shlex
+import tempfile
 
 from pr_agent.algo.utils import update_settings_from_args
 from pr_agent.config_loader import get_settings
+from pr_agent.git_providers import get_git_provider
 from pr_agent.tools.pr_code_suggestions import PRCodeSuggestions
 from pr_agent.tools.pr_description import PRDescription
 from pr_agent.tools.pr_information_from_user import PRInformationFromUser
@@ -31,11 +34,28 @@ class PRAgent:
         pass
 
     async def handle_request(self, pr_url, request) -> bool:
+        # First, apply repo specific settings if exists
+        if get_settings().config.use_repo_settings_file:
+            repo_settings_file = None
+            try:
+                git_provider = get_git_provider()(pr_url)
+                repo_settings = git_provider.get_repo_settings()
+                if repo_settings:
+                    repo_settings_file = None
+                    fd, repo_settings_file = tempfile.mkstemp(suffix='.toml')
+                    os.write(fd, repo_settings)
+                    get_settings().load_file(repo_settings_file)
+            finally:
+                if repo_settings_file:
+                    os.remove(repo_settings_file)
+
+        # Then, apply user specific settings if exists
         request = request.replace("'", "\\'")
         lexer = shlex.shlex(request, posix=True)
         lexer.whitespace_split = True
         action, *args = list(lexer)
         args = update_settings_from_args(args)
+
         action = action.lstrip("/").lower()
         if action == "reflect_and_review" and not get_settings().pr_reviewer.ask_and_reflect:
             action = "review"