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Sub-PR theme: Enhance YAML loading and fixing mechanisms with key-based fallbacks
Relevant files:
pr_agent/algo/utils.py
Sub-PR theme: Update PR code suggestion and review preparation to utilize new YAML extraction keys
Relevant files:
pr_agent/tools/pr_code_suggestions.py
pr_agent/tools/pr_reviewer.py
Sub-PR theme: Add unit tests for new YAML extraction mechanism in try_fix_yaml function
Relevant files:
tests/unittest/test_try_fix_yaml.py
⚡ Key issues to review
Possible Bug:
The implementation of the new fallback mechanism in try_fix_yaml might not handle edge cases where the first_key or last_key are not found, leading to incorrect YAML extraction.
Code Clarity:
The addition of first_key and last_key parameters in load_yaml and try_fix_yaml functions increases the complexity of the code. Consider adding more detailed comments explaining the purpose and usage of these parameters to aid future maintainability.
Why: This suggestion significantly improves code maintainability and reduces duplication, following the DRY principle.
8
Use a constant for the list of YAML keys
Consider using a constant for the list of YAML keys instead of defining it within the function. This would improve maintainability and allow for easier updates if needed.
Why: This suggestion enhances maintainability and follows best practices for constant definitions, making future updates easier.
7
Best practice
Use a more descriptive variable name for the exception
Consider using a more descriptive variable name instead of 'e' for the exception in the try-except block. This will make the code more readable and easier to understand.
-except Exception as e:- get_logger().error(f"Failed to parse AI prediction: {e}")+except Exception as parse_error:+ get_logger().error(f"Failed to parse AI prediction: {parse_error}")
Apply this suggestion
Suggestion importance[1-10]: 6
Why: The suggestion improves code readability, but it's a minor change that doesn't significantly impact functionality.
6
Enhancement
Correct the comment for the fallback number
The comment for the fourth fallback is incorrect. It should be "fifth fallback" instead of "fourth fallback". Update the comment to reflect the correct fallback number.
Improve the method for finding the end of the YAML snippet in the fourth fallback
In the fourth fallback method, consider using a more robust way to find the end of the YAML snippet. The current implementation might miss some valid YAML content if there are multiple newlines after the last key. You could use a regex pattern or a more sophisticated parsing method to ensure all relevant content is included.
-index_end = response_text.find("\n\n", index_last_code) # look for newlines after last_key-if index_end == -1:- index_end = len(response_text)+index_end = len(response_text)+for match in re.finditer(r'\n\s*\n', response_text[index_last_code:]):+ if not re.match(r'\s*[-\w]+:', response_text[index_last_code + match.end():].lstrip()):+ index_end = index_last_code + match.start()+ break
response_text_copy = response_text[index_start:index_end].strip().strip('```yaml').strip('`').strip()
Suggestion importance[1-10]: 8
Why: This suggestion addresses a potential issue in the YAML parsing logic, which could lead to more robust and accurate parsing of YAML content.
8
Add more test cases for the try_fix_yaml function to cover different scenarios
Add more test cases to cover different scenarios and edge cases for the try_fix_yaml function. This will help ensure the function works correctly in various situations and improve overall code reliability.
def test_with_initial_yaml(self):
review_text = '''\
I suggest the following:
```
code_suggestions:
- relevant_file: |
src/index.ts
label: |
best practice
- relevant_file: |
src/index2.ts
label: |
enhancment
```
We can further improve the code by using the `const` keyword instead of `var` in the `src/index.ts` file.
'''
expected_output = {'code_suggestions': [{'relevant_file': 'src/index.ts\n', 'label': 'best practice\n'}, {'relevant_file': 'src/index2.ts\n', 'label': 'enhancment'}]}
assert try_fix_yaml(review_text, first_key='code_suggestions', last_key='label') == expected_output
+def test_with_malformed_yaml(self):+ review_text = '''\+ code_suggestions:+ - relevant_file: src/index.ts+ label: best practice+ - relevant_file: src/index2.ts+ label: enhancment+ '''+ expected_output = {'code_suggestions': [{'relevant_file': 'src/index.ts', 'label': 'best practice'}, {'relevant_file': 'src/index2.ts', 'label': 'enhancment'}]}+ assert try_fix_yaml(review_text, first_key='code_suggestions', last_key='label') == expected_output++def test_with_missing_keys(self):+ review_text = '''\+ code_suggestions:+ - relevant_file: src/index.ts+ - label: enhancment+ '''+ expected_output = {'code_suggestions': [{'relevant_file': 'src/index.ts'}, {'label': 'enhancment'}]}+ assert try_fix_yaml(review_text, first_key='code_suggestions', last_key='label') == expected_output+
Suggestion importance[1-10]: 7
Why: Adding more test cases improves code reliability and helps catch potential issues, which is important for maintaining the quality of the YAML parsing functionality.
7
Add a log message for successful first fallback parsing
Consider adding a log message when the first fallback is successful. This will help with debugging and understanding which fallback method was used to fix the YAML.
try:
data = yaml.safe_load('\n'.join(response_text_lines_copy))
+ get_logger().info("Successfully parsed AI prediction after adding |-")
return data
except:
get_logger().info(f"Failed to parse AI prediction after adding |-\n")
Suggestion importance[1-10]: 6
Why: This suggestion enhances debugging capabilities and provides better insight into the fallback process, which is useful for maintenance.
6
Best practice
Use a more descriptive variable name in exception handling
Consider using a more descriptive variable name instead of e in the exception handling. This will make the code more readable and maintainable. For example, you could use exc or error instead.
-except Exception as e:- get_logger().error(f"Failed to parse AI prediction: {e}")+except Exception as error:+ get_logger().error(f"Failed to parse AI prediction: {error}")
Suggestion importance[1-10]: 5
Why: The suggestion is valid and improves code readability, but it's a minor change that doesn't significantly impact functionality.
5
Suggestions
Category
Suggestion
Score
Best practice
Improve exception handling by specifying the expected exception type
Instead of using a broad Exception type, specify the exceptions you expect to handle. This makes the error handling more precise and avoids catching unintended exceptions.
-except Exception as e:+except yaml.YAMLError as e:
Suggestion importance[1-10]: 9
Why: Specifying the expected exception type (yaml.YAMLError) instead of a broad Exception improves error handling precision and avoids catching unintended exceptions, which is a best practice.
9
Maintainability
Use regex for more reliable string operations
Replace the manual string operations with regex to ensure more reliable and maintainable code when modifying response text lines.
Why: Replacing manual string operations with regex ensures more reliable and maintainable code, especially when modifying response text lines.
8
Possible issue
Ensure proper formatting of the response text before YAML parsing
Use a more robust method to ensure the response text is properly formatted before attempting to parse it as YAML. This avoids potential errors from improperly stripped strings.
Why: The suggested change improves the robustness of the code by ensuring the response text is properly formatted before parsing, reducing potential errors from improperly stripped strings.
7
Performance
Use list methods to enhance performance and readability
Instead of manually concatenating lists, use list comprehension for better performance and readability when modifying keys_yaml.
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PR Type
Enhancement, Tests
Description
load_yaml
andtry_fix_yaml
functions to includefirst_key
andlast_key
parameters for improved YAML extraction.try_fix_yaml
.Changes walkthrough 📝
utils.py
Add key-based fallback mechanism to YAML loading functions
pr_agent/algo/utils.py
first_key
andlast_key
parameters toload_yaml
andtry_fix_yaml
functions.
first_key
andlast_key
toextract YAML snippets.
pr_code_suggestions.py
Enhance PR code suggestions with key-based YAML extraction
pr_agent/tools/pr_code_suggestions.py
_prepare_pr_code_suggestions
to usefirst_key
andlast_key
parameters.
pr_reviewer.py
Improve PR review preparation with key-based YAML extraction
pr_agent/tools/pr_reviewer.py
_prepare_pr_review
and_publish_inline_code_comments
to usefirst_key
andlast_key
parameters.test_try_fix_yaml.py
Add unit tests for key-based YAML extraction fallback
tests/unittest/test_try_fix_yaml.py
try_fix_yaml
function withfirst_key
andlast_key
parameters.