Change gitlab API to use oauth_token instead of PAT (PAT shuold work as well)

GitLab Webhook Integration and Provider Enhancements

README.md

@@ -83,6 +83,7 @@ CodiumAI `PR-Agent` is an open-source tool aiming to help developers review pull
 |       | Reflect and Review                          |   :white_check_mark:    |                         |           |
 |       |                                             |        |        |           |
 | USAGE | CLI                                         |   :white_check_mark:    |   :white_check_mark:    |   :white_check_mark:       |
+|       | App / webhook                               |   :white_check_mark:    |   :white_check_mark:    |           |
 |       | Tagging bot                                 |   :white_check_mark:    |        |           |
 |       | Actions                                     |   :white_check_mark:    |        |           |
 |       |                                             |        |        |           |

pr_agent/git_providers/gitlab_provider.py

@@ -8,11 +8,12 @@ from gitlab import GitlabGetError
 
 from pr_agent.config_loader import settings
 
-from .git_provider import EDIT_TYPE, FilePatchInfo, GitProvider
 from ..algo.language_handler import is_valid_file
+from .git_provider import EDIT_TYPE, FilePatchInfo, GitProvider
 
 
 class GitLabProvider(GitProvider):
+
     def __init__(self, merge_request_url: Optional[str] = None, incremental: Optional[bool] = False):
         gitlab_url = settings.get("GITLAB.URL", None)
         if not gitlab_url:
@@ -21,8 +22,8 @@ class GitLabProvider(GitProvider):
         if not gitlab_access_token:
             raise ValueError("GitLab personal access token is not set in the config file")
         self.gl = gitlab.Gitlab(
-            gitlab_url,
+            url=gitlab_url,
-            gitlab_access_token
+            oauth_token=gitlab_access_token
         )
         self.id_project = None
         self.id_mr = None
@@ -35,7 +36,7 @@ class GitLabProvider(GitProvider):
         self.incremental = incremental
 
     def is_supported(self, capability: str) -> bool:
-        if capability in ['get_issue_comments', 'create_inline_comment', 'publish_inline_comments', 'get_labels']:
+        if capability in ['get_issue_comments', 'create_inline_comment', 'publish_inline_comments']:
             return False
         return True
 
@@ -112,7 +113,7 @@ class GitLabProvider(GitProvider):
     def create_inline_comment(self, body: str, relevant_file: str, relevant_line_in_file: str):
         raise NotImplementedError("Gitlab provider does not support creating inline comments yet")
 
-    def create_inline_comment(self, comments: list[dict]):
+    def create_inline_comments(self, comments: list[dict]):
         raise NotImplementedError("Gitlab provider does not support publishing inline comments yet")
 
     def send_inline_comment(self, body, edit_type, found, relevant_file, relevant_line_in_file, source_line_no,
@@ -258,8 +259,15 @@ class GitLabProvider(GitProvider):
     def get_user_id(self):
         return None
 
-    def publish_labels(self, labels):
+    def publish_labels(self, pr_types):
-        pass
+        try:
+            self.mr.labels = list(set(pr_types))
+            self.mr.save()
+        except Exception as e:
+            logging.exception(f"Failed to publish labels, error: {e}")
 
     def publish_inline_comments(self, comments: list[dict]):
-        pass
+        pass
+
+    def get_labels(self):
+        return self.mr.labels

pr_agent/servers/github_action_runner.py

@@ -8,50 +8,61 @@ from pr_agent.tools.pr_reviewer import PRReviewer
 
 
 async def run_action():
-    GITHUB_EVENT_NAME = os.environ.get('GITHUB_EVENT_NAME', None)
+    # Get environment variables
+    GITHUB_EVENT_NAME = os.environ.get('GITHUB_EVENT_NAME')
+    GITHUB_EVENT_PATH = os.environ.get('GITHUB_EVENT_PATH')
+    OPENAI_KEY = os.environ.get('OPENAI_KEY')
+    OPENAI_ORG = os.environ.get('OPENAI_ORG')
+    GITHUB_TOKEN = os.environ.get('GITHUB_TOKEN')
+
+    # Check if required environment variables are set
     if not GITHUB_EVENT_NAME:
         print("GITHUB_EVENT_NAME not set")
         return
-    GITHUB_EVENT_PATH = os.environ.get('GITHUB_EVENT_PATH', None)
     if not GITHUB_EVENT_PATH:
         print("GITHUB_EVENT_PATH not set")
         return
-    try:
-        event_payload = json.load(open(GITHUB_EVENT_PATH, 'r'))
-    except json.decoder.JSONDecodeError as e:
-        print(f"Failed to parse JSON: {e}")
-        return
-    OPENAI_KEY = os.environ.get('OPENAI_KEY', None)
     if not OPENAI_KEY:
         print("OPENAI_KEY not set")
         return
-    OPENAI_ORG = os.environ.get('OPENAI_ORG', None)
-    GITHUB_TOKEN = os.environ.get('GITHUB_TOKEN', None)
     if not GITHUB_TOKEN:
         print("GITHUB_TOKEN not set")
         return
+
+    # Set the environment variables in the settings
     settings.set("OPENAI.KEY", OPENAI_KEY)
     if OPENAI_ORG:
         settings.set("OPENAI.ORG", OPENAI_ORG)
     settings.set("GITHUB.USER_TOKEN", GITHUB_TOKEN)
     settings.set("GITHUB.DEPLOYMENT_TYPE", "user")
+
+    # Load the event payload
+    try:
+        with open(GITHUB_EVENT_PATH, 'r') as f:
+            event_payload = json.load(f)
+    except json.decoder.JSONDecodeError as e:
+        print(f"Failed to parse JSON: {e}")
+        return
+
+    # Handle pull request event
     if GITHUB_EVENT_NAME == "pull_request":
-        action = event_payload.get("action", None)
+        action = event_payload.get("action")
         if action in ["opened", "reopened"]:
-            pr_url = event_payload.get("pull_request", {}).get("url", None)
+            pr_url = event_payload.get("pull_request", {}).get("url")
             if pr_url:
                 await PRReviewer(pr_url).review()
 
+    # Handle issue comment event
     elif GITHUB_EVENT_NAME == "issue_comment":
-        action = event_payload.get("action", None)
+        action = event_payload.get("action")
         if action in ["created", "edited"]:
-            comment_body = event_payload.get("comment", {}).get("body", None)
+            comment_body = event_payload.get("comment", {}).get("body")
             if comment_body:
-                pr_url = event_payload.get("issue", {}).get("pull_request", {}).get("url", None)
+                pr_url = event_payload.get("issue", {}).get("pull_request", {}).get("url")
                 if pr_url:
                     body = comment_body.strip().lower()
                     await PRAgent().handle_request(pr_url, body)
 
 
 if __name__ == '__main__':
-    asyncio.run(run_action())
+    asyncio.run(run_action())

pr_agent/servers/gitlab_webhook.py

@@ -0,0 +1,47 @@
+import logging
+
+import uvicorn
+from fastapi import APIRouter, FastAPI, Request, status
+from fastapi.encoders import jsonable_encoder
+from fastapi.responses import JSONResponse
+from starlette.background import BackgroundTasks
+
+from pr_agent.agent.pr_agent import PRAgent
+from pr_agent.config_loader import settings
+
+app = FastAPI()
+router = APIRouter()
+
+
+@router.post("/webhook")
+async def gitlab_webhook(background_tasks: BackgroundTasks, request: Request):
+    data = await request.json()
+    if data.get('object_kind') == 'merge_request' and data['object_attributes'].get('action') in ['open', 'reopen']:
+        logging.info(f"A merge request has been opened: {data['object_attributes'].get('title')}")
+        url = data['object_attributes'].get('url')
+        background_tasks.add_task(PRAgent().handle_request, url, "/review")
+    elif data.get('object_kind') == 'note' and data['event_type'] == 'note':
+        if 'merge_request' in data:
+            mr = data['merge_request']
+            url = mr.get('url')
+            body = data.get('object_attributes', {}).get('note')
+            background_tasks.add_task(PRAgent().handle_request, url, body)
+    return JSONResponse(status_code=status.HTTP_200_OK, content=jsonable_encoder({"message": "success"}))
+
+def start():
+    gitlab_url = settings.get("GITLAB.URL", None)
+    if not gitlab_url:
+        raise ValueError("GITLAB.URL is not set")
+    gitlab_token = settings.get("GITLAB.PERSONAL_ACCESS_TOKEN", None)
+    if not gitlab_token:
+        raise ValueError("GITLAB.PERSONAL_ACCESS_TOKEN is not set")
+    settings.config.git_provider = "gitlab"
+
+    app = FastAPI()
+    app.include_router(router)
+
+    uvicorn.run(app, host="0.0.0.0", port=3000)
+
+
+if __name__ == '__main__':
+    start()

pr_agent/tools/pr_description.py

@@ -1,6 +1,7 @@
 import copy
 import json
 import logging
+from typing import Tuple, List
 
 from jinja2 import Environment, StrictUndefined
 
@@ -14,11 +15,22 @@ from pr_agent.git_providers.git_provider import get_main_pr_language
 
 class PRDescription:
     def __init__(self, pr_url: str):
+        """
+        Initialize the PRDescription object with the necessary attributes and objects for generating a PR description using an AI model.
+        Args:
+            pr_url (str): The URL of the pull request.
+        """
+        
+        # Initialize the git provider and main PR language
         self.git_provider = get_git_provider()(pr_url)
         self.main_pr_language = get_main_pr_language(
             self.git_provider.get_languages(), self.git_provider.get_files()
         )
+    
+        # Initialize the AI handler
         self.ai_handler = AiHandler()
+    
+        # Initialize the variables dictionary
         self.vars = {
             "title": self.git_provider.pr.title,
             "branch": self.git_provider.get_pr_branch(),
@@ -26,20 +38,32 @@ class PRDescription:
             "language": self.main_pr_language,
             "diff": "",  # empty diff for initial calculation
         }
-        self.token_handler = TokenHandler(self.git_provider.pr,
+    
-                                          self.vars,
+        # Initialize the token handler
-                                          settings.pr_description_prompt.system,
+        self.token_handler = TokenHandler(
-                                          settings.pr_description_prompt.user)
+            self.git_provider.pr,
+            self.vars,
+            settings.pr_description_prompt.system,
+            settings.pr_description_prompt.user,
+        )
+    
+        # Initialize patches_diff and prediction attributes
         self.patches_diff = None
         self.prediction = None
 
     async def describe(self):
+        """
+        Generates a PR description using an AI model and publishes it to the PR.
+        """
         logging.info('Generating a PR description...')
         if settings.config.publish_output:
             self.git_provider.publish_comment("Preparing pr description...", is_temporary=True)
+        
         await retry_with_fallback_models(self._prepare_prediction)
+        
         logging.info('Preparing answer...')
         pr_title, pr_body, pr_types, markdown_text = self._prepare_pr_answer()
+        
         if settings.config.publish_output:
             logging.info('Pushing answer...')
             if settings.pr_description.publish_description_as_comment:
@@ -48,47 +72,101 @@ class PRDescription:
                 self.git_provider.publish_description(pr_title, pr_body)
                 if self.git_provider.is_supported("get_labels"):
                     current_labels = self.git_provider.get_labels()
+                    if current_labels is None:
+                        current_labels = []
                     self.git_provider.publish_labels(pr_types + current_labels)
             self.git_provider.remove_initial_comment()
+        
         return ""
 
-    async def _prepare_prediction(self, model: str):
+    async def _prepare_prediction(self, model: str) -> None:
+        """
+        Prepare the AI prediction for the PR description based on the provided model.
+
+        Args:
+            model (str): The name of the model to be used for generating the prediction.
+
+        Returns:
+            None
+
+        Raises:
+            Any exceptions raised by the 'get_pr_diff' and '_get_prediction' functions.
+
+        """
         logging.info('Getting PR diff...')
         self.patches_diff = get_pr_diff(self.git_provider, self.token_handler, model)
         logging.info('Getting AI prediction...')
         self.prediction = await self._get_prediction(model)
 
-    async def _get_prediction(self, model: str):
+    async def _get_prediction(self, model: str) -> str:
+        """
+        Generate an AI prediction for the PR description based on the provided model.
+
+        Args:
+            model (str): The name of the model to be used for generating the prediction.
+
+        Returns:
+            str: The generated AI prediction.
+        """
         variables = copy.deepcopy(self.vars)
         variables["diff"] = self.patches_diff  # update diff
+
         environment = Environment(undefined=StrictUndefined)
         system_prompt = environment.from_string(settings.pr_description_prompt.system).render(variables)
         user_prompt = environment.from_string(settings.pr_description_prompt.user).render(variables)
+
         if settings.config.verbosity_level >= 2:
             logging.info(f"\nSystem prompt:\n{system_prompt}")
             logging.info(f"\nUser prompt:\n{user_prompt}")
-        response, finish_reason = await self.ai_handler.chat_completion(model=model, temperature=0.2,
+
-                                                                        system=system_prompt, user=user_prompt)
+        response, finish_reason = await self.ai_handler.chat_completion(
+            model=model,
+            temperature=0.2,
+            system=system_prompt,
+            user=user_prompt
+        )
+
         return response
 
-    def _prepare_pr_answer(self):
+    def _prepare_pr_answer(self) -> Tuple[str, str, List[str], str]:
+        """
+        Prepare the PR description based on the AI prediction data.
+
+        Returns:
+        - title: a string containing the PR title.
+        - pr_body: a string containing the PR body in a markdown format.
+        - pr_types: a list of strings containing the PR types.
+        - markdown_text: a string containing the AI prediction data in a markdown format.
+        """
+        # Load the AI prediction data into a dictionary
         data = json.loads(self.prediction)
-        markdown_text = ""
+
+        # Initialization
+        markdown_text = pr_body = ""
+        pr_types = []
+
+        # Iterate over the dictionary items and append the key and value to 'markdown_text' in a markdown format
         for key, value in data.items():
             markdown_text += f"## {key}\n\n"
             markdown_text += f"{value}\n\n"
-        pr_body = ""
+
-        pr_types = []
+        # If the 'PR Type' key is present in the dictionary, split its value by comma and assign it to 'pr_types'
         if 'PR Type' in data:
             pr_types = data['PR Type'].split(',')
-        title = data['PR Title']
+
-        del data['PR Title']
+        # Assign the value of the 'PR Title' key to 'title' variable and remove it from the dictionary
+        title = data.pop('PR Title')
+
+        # Iterate over the remaining dictionary items and append the key and value to 'pr_body' in a markdown format,
+        # except for the items containing the word 'walkthrough'
         for key, value in data.items():
             pr_body += f"{key}:\n"
             if 'walkthrough' in key.lower():
                 pr_body += f"{value}\n"
             else:
                 pr_body += f"**{value}**\n\n___\n"
+
         if settings.config.verbosity_level >= 2:
             logging.info(f"title:\n{title}\n{pr_body}")
-        return title, pr_body, pr_types, markdown_text
+
+        return title, pr_body, pr_types, markdown_text