fix(prompt_path): path issue if pandasai used outside of pandas env

[ArslanSaleem]

Summary by CodeRabbit

• Refactor
  • Improved the flexibility in template loading for the base prompt functionality, allowing for dynamic location of template files.

[coderabbitai]

Walkthrough

The recent update to the pandasai library introduces an enhancement to the BasePrompt class, focusing on the method of template file path resolution. By leveraging the os and pathlib modules, this improvement allows for more dynamic and flexible template loading, streamlining the process and making it adaptable to various environments and directory structures.

Changes

File Path	Summary of Changes
pandasai/prompts/base.py	Updated BasePrompt class to dynamically locate template file paths using os and pathlib modules.

🐇✨
In the code's woven burrow, paths unwind,
Where templates dwell, easier to find.
A hop, a skip, in digital embrace,
Our rabbit's work, through cyberspace.
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[sourcery-ai]

PR Type: Bug fix

PR Summary: The pull request addresses an issue with the resolution of template paths in the BasePrompt class, ensuring that the path is correctly determined when pandasai is used outside of its native environment.

Decision: Comment

📝 Type: 'Bug fix' - not supported yet.

• Sourcery currently only approves 'Typo fix' PRs.

✅ Issue addressed: this change correctly addresses the issue or implements the desired feature.

No details provided.

✅ Small diff: the diff is small enough to approve with confidence.

No details provided.

General suggestions:

• Consider using consistent path handling by sticking to either os.path or pathlib methods throughout the codebase to avoid confusion and potential bugs.
• Verify that the path_to_template is explicitly converted to a string before being used, as this can prevent issues in environments where pathlib.Path objects are not automatically converted to strings.
• Review other parts of the codebase for similar path handling logic to ensure consistency and reliability across different modules and classes.

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[sourcery-ai]

suggestion (llm): Using os.path.join with pathlib.Path objects is mixing path handling libraries. Consider using Path methods for consistency and clarity.

[sourcery-ai]

issue (llm): Ensure that the path_to_template is a string when passed to FileSystemLoader, as pathlib.Path objects are not implicitly converted to strings in all environments.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (release/v2.0@d626b27). Click here to learn what that means.

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Additional details and impacted files

@@               Coverage Diff               @@
##             release/v2.0     #909   +/-   ##
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  Coverage                ?   86.12%           
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  Files                   ?       91           
  Lines                   ?     3077           
  Branches                ?        0           
===============================================
  Hits                    ?     2650           
  Misses                  ?      427           
  Partials                ?        0           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[gventuri]

@coderabbitai review

[coderabbitai]

Review Status

Actionable comments generated: 2

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between d626b27 and cb7c6ea.

Files selected for processing (1)

• pandasai/prompts/base.py (2 hunks)

Additional comments: 2

pandasai/prompts/base.py (2)

• 4-5: The addition of os and pathlib modules is appropriate for the task of dynamically locating the template file path. This change supports the objective of making template loading more flexible and adaptable to different environments.
• 25-28: Ensure that the directory structure and the presence of the "templates" directory within the expected location are validated or documented. This change assumes the "templates" directory exists relative to the script's location, which might not always be the case in different deployment scenarios.

[coderabbitai]

The logic to dynamically locate the template file path using os and pathlib is correctly implemented. However, consider using pathlib exclusively for path operations to maintain consistency and leverage its more modern and object-oriented approach over os.path.

- path_to_template = os.path.join(current_dir_path, "templates")
+ path_to_template = current_dir_path / "templates"

---

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change

	current_dir_path = Path(__file__).parent
	path_to_template = os.path.join(current_dir_path, "templates")
	env = Environment(loader=FileSystemLoader(path_to_template))
	current_dir_path = Path(__file__).parent
	path_to_template = current_dir_path / "templates"
	env = Environment(loader=FileSystemLoader(path_to_template))

---

The approach to finding the template path and loading it is sound, but it's important to handle potential exceptions that could arise from file not found or access errors when attempting to load the template. Consider adding error handling around the template loading logic to provide more informative error messages to the user or to log such incidents for debugging purposes.

try:
    env = Environment(loader=FileSystemLoader(path_to_template))
    self.prompt = env.get_template(self.template_path)
except TemplateNotFound as e:
    # Handle or log the error appropriately
    raise CustomException(f"Template not found: {self.template_path}") from e

---

Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.

Suggested change

	current_dir_path = Path(__file__).parent
	path_to_template = os.path.join(current_dir_path, "templates")
	env = Environment(loader=FileSystemLoader(path_to_template))
	current_dir_path = Path(__file__).parent
	path_to_template = os.path.join(current_dir_path, "templates")
	try:
	env = Environment(loader=FileSystemLoader(path_to_template))
	self.prompt = env.get_template(self.template_path)
	except TemplateNotFound as e:
	# Handle or log the error appropriately
	raise CustomException(f"Template not found: {self.template_path}") from e