Update DocHelper

[mrT23]

PR Type

Enhancement

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Description

• Introduced a configurable number of retrieved snippets for PR help messages
• Updated similarity search functions to use the new configurable snippet count
• Added error handling and improved response formatting when no relevant snippets are found
• Updated configuration file to include the new num_retrieved_snippets option
• Enhanced overall flexibility and user experience of the PR help feature

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Changes walkthrough 📝

	Relevant files
Enhancement	pr_help_message.py Enhance PR help message with configurable snippet retrieval pr_agent/tools/pr_help_message.py Added configurable number of retrieved snippets (num_retrieved_snippets) Updated similarity search to use the configurable snippet count Added error handling for cases when no relevant snippets are found Improved response formatting and error messaging +14/-3
Configuration changes	configuration.toml Add configuration for number of retrieved snippets              pr_agent/settings/configuration.toml Added num_retrieved_snippets configuration option to the pr_help section +1/-0

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💡 PR-Agent usage: Comment /help "your question" on any pull request to receive relevant information

[qodo-merge-pro]

PR Reviewer Guide 🔍

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🏅 Score: 95

🧪 No relevant tests

🔒 No security concerns identified

🔀 Multiple PR themes Sub-PR theme: Implement configurable number of retrieved snippets Relevant files: pr_agent/tools/pr_help_message.py Sub-PR theme: Add num_retrieved_snippets configuration option Relevant files: pr_agent/settings/configuration.toml

⚡ Key issues to review Error Handling The new error handling for cases when no relevant snippets are found could be improved by adding a more specific error message or logging.

[mrT23]

/help

[mrT23]

/improve

[qodo-merge-pro]

PR Agent Walkthrough 🤖

Welcome to the PR Agent, an AI-powered tool for automated pull request analysis, feedback, suggestions and more.

Here is a list of tools you can use to interact with the PR Agent:

Tool	Description	Trigger Interactively 💎
DESCRIBE	Generates PR description - title, type, summary, code walkthrough and labels	Run
REVIEW	Adjustable feedback about the PR, possible issues, security concerns, review effort and more	Run
IMPROVE	Code suggestions for improving the PR	Run
UPDATE CHANGELOG	Automatically updates the changelog	Run
ADD DOCS 💎	Generates documentation to methods/functions/classes that changed in the PR	Run
TEST 💎	Generates unit tests for a specific component, based on the PR code change	Run
IMPROVE COMPONENT 💎	Code suggestions for a specific component that changed in the PR	Run
ANALYZE 💎	Identifies code components that changed in the PR, and enables to interactively generate tests, docs, and code suggestions for each component	Run
ASK	Answering free-text questions about the PR	[*]
GENERATE CUSTOM LABELS 💎	Generates custom labels for the PR, based on specific guidelines defined by the user	[*]
CI FEEDBACK 💎	Generates feedback and analysis for a failed CI job	[*]
CUSTOM PROMPT 💎	Generates custom suggestions for improving the PR code, derived only from a specific guidelines prompt defined by the user	[*]
SIMILAR ISSUE	Automatically retrieves and presents similar issues	[*]

(1) Note that each tool be triggered automatically when a new PR is opened, or called manually by commenting on a PR.

(2) Tools marked with [*] require additional parameters to be passed. For example, to invoke the /ask tool, you need to comment on a PR: /ask "<question content>". See the relevant documentation for each tool for more details.

[qodo-merge-pro]

PR Code Suggestions ✨

Latest suggestions up to d5625db

Category	Suggestion	Score
Error handling	Add error handling for unexpected response formats Consider adding error handling for the case when response_yaml.get('response') or response_yaml.get('relevant_snippets') return None. This will make the code more robust and prevent potential exceptions. pr_agent/tools/pr_help_message.py [186-188] response_yaml = load_yaml(response) response_str = response_yaml.get('response') relevant_snippets_numbers = response_yaml.get('relevant_snippets') +if response_str is None or relevant_snippets_numbers is None: + get_logger().error("Invalid response format from AI model") + return "" Apply this suggestion Suggestion importance[1-10]: 8 Why: This suggestion addresses a potential bug by adding error handling for unexpected AI model responses, which is important for code robustness.	8
Maintainability	Use a constant for default values to improve maintainability Consider using a constant or configuration value for the default number of retrieved snippets instead of hardcoding it in multiple places. This will make the code more maintainable and easier to update in the future. pr_agent/tools/pr_help_message.py [39] -self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) +DEFAULT_NUM_SNIPPETS = 5 +self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', DEFAULT_NUM_SNIPPETS) Apply this suggestion Suggestion importance[1-10]: 7 Why: Using a constant for the default value improves maintainability and readability, but it's not a critical change.	7
Organization best practice	Avoid mutable default arguments to prevent unexpected behavior Consider using a default value for ai_handler that doesn't rely on mutable default arguments. This will prevent potential issues with shared state between function calls. pr_agent/tools/pr_help_message.py [35] -def __init__(self, pr_url: str, args=None, ai_handler: partial[BaseAiHandler,] = LiteLLMAIHandler): +def __init__(self, pr_url: str, args=None, ai_handler: Optional[partial[BaseAiHandler]] = None): + if ai_handler is None: + ai_handler = LiteLLMAIHandler Apply this suggestion Suggestion importance[1-10]: 6 Why: This suggestion addresses a common Python pitfall, but the current implementation doesn't seem to cause immediate issues in the given context.	6
	Use a threading lock to ensure thread-safety when accessing shared resources Consider using a threading lock to ensure thread-safety when accessing and modifying self.num_retrieved_snippets. This will prevent potential race conditions in a multi-threaded environment. pr_agent/tools/pr_help_message.py [39] -self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) +from threading import Lock +class PRHelpMessage: + def __init__(self, pr_url: str, args=None, ai_handler: partial[BaseAiHandler,] = LiteLLMAIHandler): + self.lock = Lock() + with self.lock: + self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) + Apply this suggestion Suggestion importance[1-10]: 3 Why: While thread-safety is important, there's no evidence in the PR that this class is used in a multi-threaded context, making this suggestion less relevant.	3

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Previous suggestions

Suggestions up to commit 804cb9e

Category	Suggestion	Score
Error handling	Add error handling for retrieving configuration settings to improve robustness Consider adding error handling for the case when get_settings().get() fails to retrieve the 'pr_help.num_retrieved_snippets' setting. This will make the code more robust against configuration errors. pr_agent/tools/pr_help_message.py [39] -self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) +try: + self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) +except Exception as e: + get_logger().warning(f"Failed to retrieve 'pr_help.num_retrieved_snippets' setting: {e}") + self.num_retrieved_snippets = 5 Suggestion importance[1-10]: 8 Why: This suggestion significantly improves the robustness of the code by handling potential errors when retrieving configuration settings, which is important for maintaining system stability.	8
Maintainability	Extract error handling logic into a separate method for improved code organization Consider extracting the error handling logic for when no relevant snippets are found into a separate method. This will improve code readability and maintainability. pr_agent/tools/pr_help_message.py [190-199] -if not relevant_snippets_numbers: +def handle_no_relevant_snippets(self): if get_settings().config.publish_output: answer_str = f"### Question: \n{self.question_str}\n\n" answer_str += f"### Answer:\n\n" answer_str += f"Could not find relevant information to answer the question. Please provide more details and try again." self.git_provider.publish_comment(answer_str) else: get_logger().info(f"Could not find relevant snippets for the question: {self.question_str}") - return +if not relevant_snippets_numbers: + self.handle_no_relevant_snippets() + return + Suggestion importance[1-10]: 7 Why: This suggestion improves code readability and maintainability by extracting the error handling logic into a separate method, which is a good practice for code organization.	7
Best practice	Use a constant for the default number of retrieved snippets instead of a magic number Consider using a constant for the default number of retrieved snippets instead of hardcoding the value 5. This will make it easier to maintain and update the default value in the future. pr_agent/tools/pr_help_message.py [39] -self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) +DEFAULT_NUM_RETRIEVED_SNIPPETS = 5 +self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', DEFAULT_NUM_RETRIEVED_SNIPPETS) Suggestion importance[1-10]: 6 Why: Using a constant instead of a magic number is a good practice for code maintainability and readability, though the impact is relatively minor in this case.	6
Organization best practice	Initialize instance variable with None and set its value lazily to avoid mutable default value issues Instead of using a mutable default value from a function call, initialize self.num_retrieved_snippets with None as the default value and set the actual value inside the method if it's None. This follows the best practice of not using mutable objects as default values in method definitions. pr_agent/tools/pr_help_message.py [35-39] def __init__(self, pr_url: str, args=None, ai_handler: partial[BaseAiHandler,] = LiteLLMAIHandler): self.git_provider = get_git_provider_with_context(pr_url) self.ai_handler = ai_handler() self.question_str = self.parse_args(args) - self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) + self.num_retrieved_snippets = None + +def get_num_retrieved_snippets(self): + if self.num_retrieved_snippets is None: + self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) + return self.num_retrieved_snippets Suggestion importance[1-10]: 5 Why: The suggestion addresses a minor issue of using mutable default values, but the current implementation is not causing immediate problems and the suggested change adds complexity.	5
	Implement thread-safe access to the shared variable using a lock mechanism Consider using a thread-safe mechanism, such as threading.Lock(), to protect access to self.num_retrieved_snippets if this class is intended for use in a multi-threaded environment. This will prevent potential race conditions. pr_agent/tools/pr_help_message.py [35-39] +from threading import Lock + def __init__(self, pr_url: str, args=None, ai_handler: partial[BaseAiHandler,] = LiteLLMAIHandler): self.git_provider = get_git_provider_with_context(pr_url) self.ai_handler = ai_handler() self.question_str = self.parse_args(args) - self.num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) + self._num_retrieved_snippets = get_settings().get('pr_help.num_retrieved_snippets', 5) + self._lock = Lock() +@property +def num_retrieved_snippets(self): + with self._lock: + return self._num_retrieved_snippets + +@num_retrieved_snippets.setter +def num_retrieved_snippets(self, value): + with self._lock: + self._num_retrieved_snippets = value + Suggestion importance[1-10]: 3 Why: While thread-safety is important, there's no indication that this class is used in a multi-threaded environment. The suggestion adds unnecessary complexity for the current use case.	3

[mrT23]

/help
"add a flag to the PR title or at the end of the PR description. When this flag is present, pr-agent will not run automatically"

[qodo-merge-pro]

Question:

add a flag to the PR title or at the end of the PR description. When this flag is present, pr-agent will not run automatically

Answer:

Unfortunately, there isn't a direct way to add a flag to the PR title or description to prevent PR-Agent from running automatically. However, you can achieve similar functionality using the configuration options provided by PR-Agent:

1. You can use the ignore_pr_title option in the configuration.toml file to ignore PRs with specific titles. For example:

   [config]
   ignore_pr_title = ["\\[No PR-Agent\\]"]

   This will ignore any PR with a title containing "[No PR-Agent]".

2. Alternatively, you can use the ignore_pr_source_branches or ignore_pr_target_branches options to ignore PRs from or to specific branches.

These methods allow you to control when PR-Agent runs automatically based on PR titles or branch names, which can serve as a workaround for your requirement.

Relevant Sources:

• https://pr-agent-docs.codium.ai/usage-guide/additional_configurations#ignoring-automatic-commands-in-prs