[py] Simplified complicated conditional in __convert_to_local_value function in bidi/script.py using singledispatchmethod

[sandeepsuryaprasad]

User description

🔗 Related Issues

💥 What does this PR do?

In this PR, I have simplified the complicated nested conditional statement in __convert_to_local_value function in bidi/script.py using singledispatchmethod.

🔧 Implementation Notes

In singledispatchmethod the implementation is chosen based on the type of the first argument. If none of type gets matched python will chose to execute default implementation. This implementation makes the code more readable, maintainable and easy to modify in future in case if we have to.

💡 Additional Considerations

🔄 Types of changes

• Cleanup (formatting, renaming)

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PR Type

Other

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Description

• Refactored complex conditional logic using singledispatchmethod

• Improved code readability and maintainability

• Added public convert_to_local_value method

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Changes diagram

flowchart LR
  A["Complex if-elif chain"] --> B["singledispatchmethod decorator"]
  B --> C["Type-based dispatch"]
  C --> D["Cleaner, maintainable code"]

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Changes walkthrough 📝

	Relevant files
Enhancement	script.py Refactor value conversion using singledispatchmethod          py/selenium/webdriver/common/bidi/script.py Replaced complex if-elif conditional with singledispatchmethod pattern Created _SupportedTypes helper class with type-specific handlers Added public convert_to_local_value method for external access Imported singledispatchmethod from functools module +74/-45

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

🎫 Ticket compliance analysis ❌ 1234 - Not compliant Non-compliant requirements: • Fix JavaScript execution in link's href on click() for Firefox • Ensure compatibility with Selenium 2.48+ versions • Maintain functionality that worked in version 2.47.1 5678 - Not compliant Non-compliant requirements: • Fix ChromeDriver ConnectFailure error on Ubuntu 16.04.4 • Resolve connection refused errors for subsequent ChromeDriver instances • Ensure first ChromeDriver instance works without console errors

⏱️ Estimated effort to review: 3 🔵🔵🔵⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Circular Reference The _SupportedTypes class holds a reference to the Script instance and calls back to convert_to_local_value method, creating potential circular references and making the code harder to understand than the original implementation. return {"type": "set", "value": [self.script.convert_to_local_value(item) for item in value]} API Change Adding a public convert_to_local_value method changes the public API of the Script class without clear justification, potentially exposing internal implementation details. def convert_to_local_value(self, value) -> dict: return self.__convert_to_local_value(value)

[qodo-merge-pro]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Cache instance to avoid recreation Creating a new _SupportedTypes instance on every call is inefficient. Consider initializing it once in the Script class constructor and reusing it to avoid repeated object creation overhead. py/selenium/webdriver/common/bidi/script.py [402-407] def __convert_to_local_value(self, value) -> dict: """ Converts a Python value to BiDi LocalValue format. """ - supported_types = _SupportedTypes(self) - return getattr(supported_types, "_type")(value) + if not hasattr(self, '_supported_types'): + self._supported_types = _SupportedTypes(self) + return self._supported_types._type(value) [To ensure code accuracy, apply this suggestion manually] Suggestion importance[1-10]: 6 __ Why: This is a valid performance suggestion; creating the _SupportedTypes instance in the __init__ method and reusing it would be more efficient than recreating it on every call.	Low
	Use direct method access Using getattr to access the _type method is unnecessary and less readable. Direct method access is cleaner and more efficient since the method is guaranteed to exist. py/selenium/webdriver/common/bidi/script.py [407] -return getattr(supported_types, "_type")(value) +return supported_types._type(value) Apply / Chat Suggestion importance[1-10]: 5 __ Why: The suggestion correctly points out that direct access supported_types._type(value) is more readable and idiomatic than using getattr since the _type method is known to exist.	Low
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[cgoldberg]

This implementation makes the code more readable, maintainable and easy to modify in future in case if we have to.

I think both are complicated, but the original is better.

[sandeepsuryaprasad]

The original nested conditional is really hard to read and trace.. lots of nested indentations.. I feel the new implementation is far more readable and easy to make changes to any specific type in future. Probably I have introduced one more layer of abstraction for maintaining specific type implementation, but it really pays off and reduces maintenance effort in future.