mirror of
https://github.com/qodo-ai/pr-agent.git
synced 2025-07-02 03:40:38 +08:00
181 lines
8.5 KiB
Python
181 lines
8.5 KiB
Python
import copy
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import textwrap
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from functools import partial
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from typing import Dict
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from jinja2 import Environment, StrictUndefined
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from pr_agent.algo.ai_handlers.base_ai_handler import BaseAiHandler
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from pr_agent.algo.ai_handlers.litellm_ai_handler import LiteLLMAIHandler
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from pr_agent.algo.pr_processing import get_pr_diff, retry_with_fallback_models
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from pr_agent.algo.token_handler import TokenHandler
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from pr_agent.algo.utils import load_yaml
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from pr_agent.config_loader import get_settings
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from pr_agent.git_providers import get_git_provider
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from pr_agent.git_providers.git_provider import get_main_pr_language
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from pr_agent.log import get_logger
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class PRAddDocs:
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def __init__(self, pr_url: str, cli_mode=False, args: list = None,
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ai_handler: partial[BaseAiHandler,] = LiteLLMAIHandler):
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self.git_provider = get_git_provider()(pr_url)
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self.main_language = get_main_pr_language(
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self.git_provider.get_languages(), self.git_provider.get_files()
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)
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self.ai_handler = ai_handler()
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self.ai_handler.main_pr_language = self.main_language
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self.patches_diff = None
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self.prediction = None
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self.cli_mode = cli_mode
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self.vars = {
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"title": self.git_provider.pr.title,
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"branch": self.git_provider.get_pr_branch(),
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"description": self.git_provider.get_pr_description(),
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"language": self.main_language,
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"diff": "", # empty diff for initial calculation
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"extra_instructions": get_settings().pr_add_docs.extra_instructions,
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"commit_messages_str": self.git_provider.get_commit_messages(),
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'docs_for_language': get_docs_for_language(self.main_language,
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get_settings().pr_add_docs.docs_style),
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}
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self.token_handler = TokenHandler(self.git_provider.pr,
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self.vars,
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get_settings().pr_add_docs_prompt.system,
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get_settings().pr_add_docs_prompt.user)
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async def run(self):
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try:
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get_logger().info('Generating code Docs for PR...')
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if get_settings().config.publish_output:
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self.git_provider.publish_comment("Generating Documentation...", is_temporary=True)
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get_logger().info('Preparing PR documentation...')
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await retry_with_fallback_models(self._prepare_prediction)
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data = self._prepare_pr_code_docs()
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if (not data) or (not 'Code Documentation' in data):
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get_logger().info('No code documentation found for PR.')
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return
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if get_settings().config.publish_output:
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get_logger().info('Pushing PR documentation...')
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self.git_provider.remove_initial_comment()
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get_logger().info('Pushing inline code documentation...')
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self.push_inline_docs(data)
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except Exception as e:
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get_logger().error(f"Failed to generate code documentation for PR, error: {e}")
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async def _prepare_prediction(self, model: str):
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get_logger().info('Getting PR diff...')
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self.patches_diff = get_pr_diff(self.git_provider,
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self.token_handler,
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model,
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add_line_numbers_to_hunks=True,
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disable_extra_lines=False)
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get_logger().info('Getting AI prediction...')
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self.prediction = await self._get_prediction(model)
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async def _get_prediction(self, model: str):
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variables = copy.deepcopy(self.vars)
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variables["diff"] = self.patches_diff # update diff
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environment = Environment(undefined=StrictUndefined)
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system_prompt = environment.from_string(get_settings().pr_add_docs_prompt.system).render(variables)
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user_prompt = environment.from_string(get_settings().pr_add_docs_prompt.user).render(variables)
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if get_settings().config.verbosity_level >= 2:
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get_logger().info(f"\nSystem prompt:\n{system_prompt}")
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get_logger().info(f"\nUser prompt:\n{user_prompt}")
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response, finish_reason = await self.ai_handler.chat_completion(
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model=model, temperature=get_settings().config.temperature, system=system_prompt, user=user_prompt)
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return response
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def _prepare_pr_code_docs(self) -> Dict:
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docs = self.prediction.strip()
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data = load_yaml(docs)
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if isinstance(data, list):
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data = {'Code Documentation': data}
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return data
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def push_inline_docs(self, data):
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docs = []
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if not data['Code Documentation']:
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return self.git_provider.publish_comment('No code documentation found to improve this PR.')
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for d in data['Code Documentation']:
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try:
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if get_settings().config.verbosity_level >= 2:
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get_logger().info(f"add_docs: {d}")
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relevant_file = d['relevant file'].strip()
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relevant_line = int(d['relevant line']) # absolute position
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documentation = d['documentation']
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doc_placement = d['doc placement'].strip()
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if documentation:
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new_code_snippet = self.dedent_code(relevant_file, relevant_line, documentation, doc_placement,
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add_original_line=True)
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body = f"**Suggestion:** Proposed documentation\n```suggestion\n" + new_code_snippet + "\n```"
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docs.append({'body': body, 'relevant_file': relevant_file,
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'relevant_lines_start': relevant_line,
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'relevant_lines_end': relevant_line})
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except Exception:
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if get_settings().config.verbosity_level >= 2:
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get_logger().info(f"Could not parse code docs: {d}")
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is_successful = self.git_provider.publish_code_suggestions(docs)
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if not is_successful:
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get_logger().info("Failed to publish code docs, trying to publish each docs separately")
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for doc_suggestion in docs:
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self.git_provider.publish_code_suggestions([doc_suggestion])
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def dedent_code(self, relevant_file, relevant_lines_start, new_code_snippet, doc_placement='after',
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add_original_line=False):
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try: # dedent code snippet
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self.diff_files = self.git_provider.diff_files if self.git_provider.diff_files \
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else self.git_provider.get_diff_files()
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original_initial_line = None
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for file in self.diff_files:
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if file.filename.strip() == relevant_file:
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original_initial_line = file.head_file.splitlines()[relevant_lines_start - 1]
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break
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if original_initial_line:
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if doc_placement == 'after':
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line = file.head_file.splitlines()[relevant_lines_start]
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else:
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line = original_initial_line
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suggested_initial_line = new_code_snippet.splitlines()[0]
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original_initial_spaces = len(line) - len(line.lstrip())
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suggested_initial_spaces = len(suggested_initial_line) - len(suggested_initial_line.lstrip())
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delta_spaces = original_initial_spaces - suggested_initial_spaces
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if delta_spaces > 0:
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new_code_snippet = textwrap.indent(new_code_snippet, delta_spaces * " ").rstrip('\n')
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if add_original_line:
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if doc_placement == 'after':
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new_code_snippet = original_initial_line + "\n" + new_code_snippet
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else:
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new_code_snippet = new_code_snippet.rstrip() + "\n" + original_initial_line
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except Exception as e:
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if get_settings().config.verbosity_level >= 2:
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get_logger().info(f"Could not dedent code snippet for file {relevant_file}, error: {e}")
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return new_code_snippet
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def get_docs_for_language(language, style):
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language = language.lower()
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if language == 'java':
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return "Javadocs"
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elif language in ['python', 'lisp', 'clojure']:
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return f"Docstring ({style})"
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elif language in ['javascript', 'typescript']:
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return "JSdocs"
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elif language == 'c++':
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return "Doxygen"
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else:
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return "Docs"
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