mirror of
https://github.com/qodo-ai/pr-agent.git
synced 2025-07-03 04:10:49 +08:00
127 lines
6.3 KiB
Python
127 lines
6.3 KiB
Python
import copy
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import json
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import logging
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import textwrap
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from jinja2 import Environment, StrictUndefined
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from pr_agent.algo.ai_handler import AiHandler
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from pr_agent.algo.pr_processing import get_pr_diff
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from pr_agent.algo.token_handler import TokenHandler
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from pr_agent.algo.utils import try_fix_json
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from pr_agent.config_loader import settings
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from pr_agent.git_providers import BitbucketProvider, get_git_provider
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from pr_agent.git_providers.git_provider import get_main_pr_language
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class PRCodeSuggestions:
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def __init__(self, pr_url: str, cli_mode=False):
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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 = AiHandler()
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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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'num_code_suggestions': settings.pr_code_suggestions.num_code_suggestions,
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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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settings.pr_code_suggestions_prompt.system,
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settings.pr_code_suggestions_prompt.user)
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async def suggest(self):
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assert type(self.git_provider) != BitbucketProvider, "Bitbucket is not supported for now"
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logging.info('Generating code suggestions for PR...')
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if settings.config.publish_output:
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self.git_provider.publish_comment("Preparing review...", is_temporary=True)
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logging.info('Getting PR diff...')
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# we are using extended hunk with line numbers for code suggestions
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self.patches_diff = get_pr_diff(self.git_provider,
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self.token_handler,
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add_line_numbers_to_hunks=True,
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disable_extra_lines=True)
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logging.info('Getting AI prediction...')
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self.prediction = await self._get_prediction()
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logging.info('Preparing PR review...')
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data = self._prepare_pr_code_suggestions()
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if settings.config.publish_output:
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logging.info('Pushing PR review...')
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self.git_provider.remove_initial_comment()
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logging.info('Pushing inline code comments...')
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self.push_inline_code_suggestions(data)
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async def _get_prediction(self):
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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(settings.pr_code_suggestions_prompt.system).render(variables)
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user_prompt = environment.from_string(settings.pr_code_suggestions_prompt.user).render(variables)
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if settings.config.verbosity_level >= 2:
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logging.info(f"\nSystem prompt:\n{system_prompt}")
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logging.info(f"\nUser prompt:\n{user_prompt}")
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model = settings.config.model
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response, finish_reason = await self.ai_handler.chat_completion(model=model, temperature=0.2,
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system=system_prompt, user=user_prompt)
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return response
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def _prepare_pr_code_suggestions(self) -> str:
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review = self.prediction.strip()
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data = None
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try:
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data = json.loads(review)
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except json.decoder.JSONDecodeError:
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if settings.config.verbosity_level >= 2:
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logging.info(f"Could not parse json response: {review}")
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data = try_fix_json(review, code_suggestions=True)
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return data
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def push_inline_code_suggestions(self, data):
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for d in data['Code suggestions']:
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if settings.config.verbosity_level >= 2:
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logging.info(f"suggestion: {d}")
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relevant_file = d['relevant file'].strip()
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relevant_lines_str = d['relevant lines'].strip()
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relevant_lines_start = int(relevant_lines_str.split('-')[0]) # absolute position
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relevant_lines_end = int(relevant_lines_str.split('-')[-1])
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content = d['suggestion content']
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new_code_snippet = d['improved code']
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if new_code_snippet:
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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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suggested_initial_line = new_code_snippet.splitlines()[0]
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original_initial_spaces = len(original_initial_line) - len(original_initial_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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except Exception as e:
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if settings.config.verbosity_level >= 2:
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logging.info(f"Could not dedent code snippet for file {relevant_file}, error: {e}")
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body = f"**Suggestion:** {content}\n```suggestion\n" + new_code_snippet + "\n```"
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self.git_provider.publish_code_suggestion(body=body,
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relevant_file=relevant_file,
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relevant_lines_start=relevant_lines_start,
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relevant_lines_end=relevant_lines_end)
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