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authorHeiner Lohaus <hlohaus@users.noreply.github.com>2024-01-20 18:16:18 +0100
committerHeiner Lohaus <hlohaus@users.noreply.github.com>2024-01-20 18:16:18 +0100
commit7f4d9ba82b73a04481a4ee52bf150f9cc68a2c07 (patch)
tree81aa740920e41075cbaef7380fa0f4556dec7f79 /etc/tool/copilot.py
parentFeedback form - https://forms.gle/FeWV9RLEedfdkmFN6 (diff)
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diff --git a/etc/tool/copilot.py b/etc/tool/copilot.py
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+import sys
+from pathlib import Path
+
+sys.path.append(str(Path(__file__).parent.parent.parent))
+
+import g4f
+import json
+import os
+import re
+import requests
+from typing import Union
+from github import Github
+from github.PullRequest import PullRequest
+
+g4f.debug.logging = True
+g4f.debug.version_check = False
+
+GITHUB_TOKEN = os.getenv('GITHUB_TOKEN')
+G4F_PROVIDER = os.getenv('G4F_PROVIDER') or g4f.Provider.OpenaiChat
+G4F_MODEL = os.getenv('G4F_MODEL') or g4f.models.gpt_4
+
+def get_pr_details(github: Github) -> PullRequest:
+ """
+ Rteurns the details of the pull request from GitHub.
+
+ Returns:
+ PullRequest: A PullRequest instance.
+ """
+ with open(os.getenv('GITHUB_EVENT_PATH', ''), 'r') as file:
+ data = json.load(file)
+
+ repo = github.get_repo(f"{data['repository']['owner']['login']}/{data['repository']['name']}")
+ pull = repo.get_pull(data['number'])
+
+ return pull
+
+def get_diff(diff_url: str) -> str:
+ """
+ Fetches the diff of the pull request.
+
+ Args:
+ pull (PullRequest): Pull request.
+
+ Returns:
+ str or None: The diff of the pull request or None if not available.
+ """
+ response = requests.get(diff_url)
+ response.raise_for_status()
+ return response.text
+
+def read_json(text: str) -> dict:
+ match = re.search(r"```(json|)\n(?P<code>[\S\s]+?)\n```", text)
+ if match:
+ text = match.group("code")
+ try:
+ return json.loads(text.strip())
+ except json.JSONDecodeError:
+ print("No valid json:", text)
+ return {}
+
+def read_text(text: str) -> dict:
+ match = re.search(r"```(markdown|)\n(?P<text>[\S\s]+?)\n```", text)
+ if match:
+ return match.group("text")
+ return text
+
+def get_ai_response(prompt, as_json: bool = True) -> Union[dict, str]:
+ """
+ Gets a response from g4f API based on the prompt.
+
+ Args:
+ prompt (str): The prompt to send to g4f.
+
+ Returns:
+ dict: The parsed response from g4f.
+ """
+ response = g4f.ChatCompletion.create(
+ G4F_MODEL,
+ [{'role': 'user', 'content': prompt}],
+ G4F_PROVIDER,
+ ignore_stream_and_auth=True
+ )
+ if as_json:
+ return read_json(response)
+ return read_text(response)
+
+def analyze_code(pull: PullRequest, diff: str)-> list:
+ """
+ Analyzes the code changes in the pull request.
+
+ Args:
+ diff (str): The diff of the pull request.
+ pr_details (dict): Details of the pull request.
+
+ Returns:
+ list: List of comments generated by the analysis.
+ """
+ comments = []
+ changed_lines = []
+ current_file_path = None
+ offset_line = 0
+
+ for line in diff.split('\n'):
+ if line.startswith('+++ b/'):
+ current_file_path = line[6:]
+ elif line.startswith('@@'):
+ match = re.search(r'\+([0-9]+?),', line)
+ if match:
+ offset_line = int(match.group(1))
+ elif current_file_path:
+ if line.startswith('\\') or line.startswith('diff'):
+ prompt = create_prompt(changed_lines, pull, current_file_path, offset_line)
+ response = get_ai_response(prompt)
+ for review in response.get('reviews', []):
+ review['path'] = current_file_path
+ comments.append(review)
+ changed_lines = []
+ current_file_path = None
+ elif not line.startswith('-'):
+ changed_lines.append(line)
+
+ return comments
+
+def create_prompt(changed_lines: list, pull: PullRequest, file_path: str, offset_line: int):
+ """
+ Creates a prompt for the g4f model.
+
+ Args:
+ diff (str): The line of code to analyze.
+ pr_details (dict): Details of the pull request.
+
+ Returns:
+ str: The generated prompt.
+ """
+ code = "\n".join([f"{offset_line+idx}:{line}" for idx, line in enumerate(changed_lines)])
+ print("Code:", code)
+ example = '{"reviews": [{"line": <line_number>, "body": "<review comment>"}]}'
+ return f"""Your task is to review pull requests. Instructions:
+- Provide the response in following JSON format: {example}
+- Do not give positive comments or compliments.
+- Provide comments and suggestions ONLY if there is something to improve, otherwise "reviews" should be an empty array.
+- Write the comment in GitHub Markdown format.
+- Use the given description only for the overall context and only comment the code.
+- IMPORTANT: NEVER suggest adding comments to the code.
+
+Review the following code diff in the file "{file_path}" and take the pull request title and description into account when writing the response.
+
+Pull request title: {pull.title}
+Pull request description:
+---
+{pull.body}
+---
+
+Each line is prefixed by its number. Code to review:
+```
+{code}
+```
+"""
+
+def create_review_prompt(pull: PullRequest, diff: str):
+ """
+ Creates a prompt to create a review.
+
+ Args:
+ diff (str): The line of code to analyze.
+
+ Returns:
+ str: The generated prompt.
+ """
+ return f"""Your task is to review a pull request. Instructions:
+- Your name / you are copilot.
+- Write the review in GitHub Markdown format.
+- Thank the author for contributing to the project.
+- Point out that you might leave a few comments on the files.
+
+Pull request author: {pull.user.name}
+Pull request title: {pull.title}
+Pull request description:
+---
+{pull.body}
+---
+
+Diff:
+```diff
+{diff}
+```
+"""
+
+def main():
+ try:
+ github = Github(GITHUB_TOKEN)
+ pull = get_pr_details(github)
+ diff = get_diff(pull.diff_url)
+ except Exception as e:
+ print(f"Error get details: {e}")
+ exit(1)
+ try:
+ review = get_ai_response(create_review_prompt(pull, diff), False)
+ except Exception as e:
+ print(f"Error create review: {e}")
+ exit(1)
+ try:
+ comments = analyze_code(pull, diff)
+ except Exception as e:
+ print(f"Error analyze: {e}")
+ exit(1)
+ print("Comments:", comments)
+ try:
+ pull.create_review(body=review, comments=comments)
+ except Exception as e:
+ print(f"Error posting review: {e}")
+ exit(1)
+
+if __name__ == "__main__":
+ main()