fix type errors for service.py, cdp.py, webelement.py and remote_connection.py

[navin772]

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Description

Fixes the mypy type errors for multiple files.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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PR Type

Bug fix

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Description

• Fixed type errors across multiple files by adding type annotations and using cast for type hinting.
• Added checks for None values and appropriate error handling in service-related files.
• Updated timeout initialization in remote_connection.py to use getdefaulttimeout.
• Ensured send_keys method in webelement.py handles values as tuples.
• Added checks for executable paths and removed unnecessary type ignore comments.

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Changes walkthrough 📝

Relevant files

Bug fix

cdp.py Add type annotations for event channels                                    py/selenium/webdriver/common/bidi/cdp.py Added type annotations for sender and receiver variables. +2/-0      service.py Fix type errors and add type casting                                          py/selenium/webdriver/common/service.py Used cast for type hinting on log_output. Added check for None path in start method. Used cast for stdout and stderr in subprocess. Added type ignores for Windows-specific startup info. +14/-9    remote_connection.py Update timeout initialization for remote connection            py/selenium/webdriver/remote/remote_connection.py Updated timeout initialization with getdefaulttimeout. +3/-3      webelement.py Fix type error in send_keys method                                              py/selenium/webdriver/remote/webelement.py Changed value to a tuple for send_keys method. +1/-1      service.py Add type annotations and remove type ignore                            py/selenium/webdriver/webkitgtk/service.py Added type annotation for DEFAULT_EXECUTABLE_PATH. Removed type ignore comment. +3/-3      service.py Add executable check and remove type ignore                            py/selenium/webdriver/wpewebkit/service.py Added check and exception for missing executable. Removed type ignore comment. +3/-1

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PR Reviewer Guide 🔍

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

🧪 No relevant tests

🔒 No security concerns identified

⚡ Key issues to review Potential Bug The self._path is checked for None after it's already used, which could lead to a TypeError if it's None. Possible Runtime Error Raising a ValueError if WPEWebDriver is not found in PATH might cause issues on systems where it's not installed.

[codiumai-pr-agent-pro]

PR Code Suggestions ✨

Category	Suggestion	Score
Possible bug	Correct the tuple creation to maintain the expected input format The value assignment should be a tuple of a single string, not a tuple containing the result of "\n".join(remote_files). This ensures that value remains a tuple of strings as expected by the send_keys method. py/selenium/webdriver/remote/webelement.py [229] -value = tuple("\n".join(remote_files)) +value = ("\n".join(remote_files),) Apply this suggestion Suggestion importance[1-10]: 9 Why: The suggestion corrects a potential bug by ensuring that 'value' remains a tuple of strings, which is crucial for the 'send_keys' method to function correctly.	9
Enhancement	Use a more specific exception type for better error handling and clarity Consider using a more specific exception type instead of the general WebDriverException. For example, you could create a custom exception like ServicePathException for this specific case. py/selenium/webdriver/common/service.py [99-100] if self._path is None: - raise WebDriverException("Service path cannot be None.") + raise ServicePathException("Service path cannot be None.") Apply this suggestion Suggestion importance[1-10]: 7 Why: Using a more specific exception type can improve error handling and make the code more understandable. However, creating a new exception class might not be necessary unless there are multiple places where this specific error needs to be handled differently.	7
	✅ Defer the executable existence check to improve flexibility in class usage Suggestion Impact: The commit removed the immediate check for the WPEWebDriver executable, aligning with the suggestion to defer this check. code diff: DEFAULT_EXECUTABLE_PATH = shutil.which("WPEWebDriver") -if DEFAULT_EXECUTABLE_PATH is None: - raise ValueError("WPEWebDriver executable not found in PATH") Instead of raising a ValueError immediately if the WPEWebDriver executable is not found, consider deferring this check to when the Service is actually used. This allows for more flexibility in how the Service class is instantiated and used. py/selenium/webdriver/wpewebkit/service.py [22-24] DEFAULT_EXECUTABLE_PATH = shutil.which("WPEWebDriver") -if DEFAULT_EXECUTABLE_PATH is None: - raise ValueError("WPEWebDriver executable not found in PATH") Apply this suggestion Suggestion importance[1-10]: 6 Why: Deferring the check allows for more flexible instantiation and usage of the Service class, but it could also delay error detection, which might not be ideal in all scenarios.	6

[harsha509]

LGTM!