mirror of
https://github.com/xtekky/gpt4free.git
synced 2024-12-24 11:34:02 +03:00
249 lines
7.0 KiB
Python
249 lines
7.0 KiB
Python
import sys
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from pathlib import Path
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sys.path.append(str(Path(__file__).parent.parent.parent))
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import g4f
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import json
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import os
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import re
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import requests
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from typing import Union
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from github import Github
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from github.PullRequest import PullRequest
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g4f.debug.logging = True
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g4f.debug.version_check = False
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GITHUB_TOKEN = os.getenv('GITHUB_TOKEN')
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GITHUB_REPOSITORY = os.getenv('GITHUB_REPOSITORY')
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G4F_PROVIDER = os.getenv('G4F_PROVIDER')
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G4F_MODEL = os.getenv('G4F_MODEL') or g4f.models.gpt_4
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def get_pr_details(github: Github) -> PullRequest:
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"""
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Retrieves the details of the pull request from GitHub.
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Args:
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github (Github): The Github object to interact with the GitHub API.
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Returns:
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PullRequest: An object representing the pull request.
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"""
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with open('./pr_number', 'r') as file:
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pr_number = file.read().strip()
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if not pr_number:
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return
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repo = github.get_repo(GITHUB_REPOSITORY)
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pull = repo.get_pull(int(pr_number))
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return pull
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def get_diff(diff_url: str) -> str:
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"""
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Fetches the diff of the pull request from a given URL.
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Args:
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diff_url (str): URL to the pull request diff.
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Returns:
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str: The diff of the pull request.
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"""
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response = requests.get(diff_url)
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response.raise_for_status()
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return response.text
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def read_json(text: str) -> dict:
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"""
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Parses JSON code block from a string.
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Args:
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text (str): A string containing a JSON code block.
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Returns:
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dict: A dictionary parsed from the JSON code block.
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"""
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match = re.search(r"```(json|)\n(?P<code>[\S\s]+?)\n```", text)
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if match:
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text = match.group("code")
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try:
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return json.loads(text.strip())
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except json.JSONDecodeError:
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print("No valid json:", text)
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return {}
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def read_text(text: str) -> str:
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"""
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Extracts text from a markdown code block.
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Args:
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text (str): A string containing a markdown code block.
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Returns:
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str: The extracted text.
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"""
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match = re.search(r"```(markdown|)\n(?P<text>[\S\s]+?)\n```", text)
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if match:
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return match.group("text")
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return text
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def get_ai_response(prompt: str, as_json: bool = True) -> Union[dict, str]:
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"""
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Gets a response from g4f API based on the prompt.
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Args:
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prompt (str): The prompt to send to g4f.
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as_json (bool): Whether to parse the response as JSON.
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Returns:
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Union[dict, str]: The parsed response from g4f, either as a dictionary or a string.
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"""
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response = g4f.ChatCompletion.create(
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G4F_MODEL,
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[{'role': 'user', 'content': prompt}],
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G4F_PROVIDER,
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ignore_stream_and_auth=True
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)
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return read_json(response) if as_json else read_text(response)
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def analyze_code(pull: PullRequest, diff: str)-> list[dict]:
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"""
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Analyzes the code changes in the pull request.
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Args:
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pull (PullRequest): The pull request object.
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diff (str): The diff of the pull request.
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Returns:
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list[dict]: A list of comments generated by the analysis.
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"""
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comments = []
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changed_lines = []
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current_file_path = None
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offset_line = 0
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for line in diff.split('\n'):
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if line.startswith('+++ b/'):
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current_file_path = line[6:]
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elif line.startswith('@@'):
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match = re.search(r'\+([0-9]+?),', line)
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if match:
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offset_line = int(match.group(1))
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elif current_file_path:
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if (line.startswith('\\') or line.startswith('diff')) and changed_lines:
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prompt = create_analyze_prompt(changed_lines, pull, current_file_path)
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response = get_ai_response(prompt)
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for review in response.get('reviews', []):
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review['path'] = current_file_path
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comments.append(review)
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changed_lines = []
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current_file_path = None
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elif not line.startswith('-'):
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changed_lines.append(f"{offset_line}:{line}")
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offset_line += 1
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return comments
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def create_analyze_prompt(changed_lines: list[str], pull: PullRequest, file_path: str):
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"""
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Creates a prompt for the g4f model.
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Args:
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changed_lines (list[str]): The lines of code that have changed.
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pull (PullRequest): The pull request object.
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file_path (str): The path to the file being reviewed.
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Returns:
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str: The generated prompt.
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"""
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code = "\n".join(changed_lines)
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example = '{"reviews": [{"line": <line_number>, "body": "<review comment>"}]}'
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return f"""Your task is to review pull requests. Instructions:
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- Provide the response in following JSON format: {example}
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- Do not give positive comments or compliments.
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- Provide comments and suggestions ONLY if there is something to improve, otherwise "reviews" should be an empty array.
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- Write the comment in GitHub Markdown format.
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- Use the given description only for the overall context and only comment the code.
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- IMPORTANT: NEVER suggest adding comments to the code.
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Review the following code diff in the file "{file_path}" and take the pull request title and description into account when writing the response.
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Pull request title: {pull.title}
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Pull request description:
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---
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{pull.body}
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---
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Each line is prefixed by its number. Code to review:
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```
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{code}
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```
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"""
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def create_review_prompt(pull: PullRequest, diff: str):
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"""
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Creates a prompt to create a review comment.
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Args:
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pull (PullRequest): The pull request object.
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diff (str): The diff of the pull request.
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Returns:
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str: The generated prompt for review.
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"""
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return f"""Your task is to review a pull request. Instructions:
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- Write in name of g4f copilot. Don't use placeholder.
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- Write the review in GitHub Markdown format.
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- Thank the author for contributing to the project.
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Pull request author: {pull.user.name}
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Pull request title: {pull.title}
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Pull request description:
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---
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{pull.body}
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---
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Diff:
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```diff
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{diff}
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```
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"""
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def main():
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try:
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github = Github(GITHUB_TOKEN)
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pull = get_pr_details(github)
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if not pull:
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print(f"No PR number found")
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exit()
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if pull.get_reviews().totalCount > 0 or pull.get_comments().totalCount > 0:
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print(f"Has already a review")
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exit()
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diff = get_diff(pull.diff_url)
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except Exception as e:
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print(f"Error get details: {e.__class__.__name__}: {e}")
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exit(1)
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try:
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review = get_ai_response(create_review_prompt(pull, diff), False)
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except Exception as e:
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print(f"Error create review: {e}")
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exit(1)
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try:
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comments = analyze_code(pull, diff)
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except Exception as e:
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print(f"Error analyze: {e}")
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exit(1)
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print("Comments:", comments)
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try:
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if comments:
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pull.create_review(body=review, comments=comments)
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else:
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pull.create_comment(body=review)
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except Exception as e:
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print(f"Error posting review: {e}")
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exit(1)
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if __name__ == "__main__":
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main()
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