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@cgoldberg cgoldberg commented Dec 4, 2025

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💥 What does this PR do?

This PR removes #noqa markers and fixes all linting violations in py/selenium/webdriver/common/bidi/cdp.py that we were previously skipping.

No functional changes.

🔄 Types of changes

  • Cleanup (formatting, renaming)
  • Linting

PR Type

Enhancement


Description

  • Remove # flake8: noqa marker and fix all linting violations

  • Consolidate imports and reorganize import statements

  • Reformat docstrings to comply with linting standards

  • Add missing blank line in Firefox options file


Diagram Walkthrough

flowchart LR
  A["cdp.py with noqa markers"] -- "Remove flake8 noqa" --> B["Clean imports"]
  B -- "Consolidate imports" --> C["Reorganized imports"]
  C -- "Reformat docstrings" --> D["Compliant docstrings"]
  D -- "Fix line spacing" --> E["Lint-free code"]
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File Walkthrough

Relevant files
Cleanup
cdp.py
Linting fixes and import consolidation in CDP module         

py/selenium/webdriver/common/bidi/cdp.py

  • Removed # flake8: noqa marker from file header
  • Consolidated imports: combined contextlib imports and moved
    collections.abc imports to single line
  • Reorganized import order to follow PEP 8 standards
  • Reformatted multi-line docstrings to single-line format where
    appropriate
  • Enhanced docstring formatting for methods like listen(),
    _handle_cmd_response(), _reader_task(), and open_cdp()
  • Removed unnecessary blank lines and fixed spacing issues
+31/-44 
options.py
Minor formatting and linting fixes                                             

py/selenium/webdriver/firefox/options.py

  • Added blank line after license header for PEP 8 compliance
  • Removed # noqa comment from @binary_location.setter decorator
+2/-1     

@cgoldberg cgoldberg self-assigned this Dec 4, 2025
@cgoldberg cgoldberg added the C-py Python Bindings label Dec 4, 2025
@selenium-ci selenium-ci added the B-devtools Includes everything BiDi or Chrome DevTools related label Dec 4, 2025
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PR Compliance Guide 🔍

Below is a summary of compliance checks for this PR:

Security Compliance
🟢
No security concerns identified No security vulnerabilities detected by AI analysis. Human verification advised for critical code.
Ticket Compliance
🎫 No ticket provided
  • Create ticket/issue
Codebase Duplication Compliance
Codebase context is not defined

Follow the guide to enable codebase context checks.

Custom Compliance
🟢
Generic: Meaningful Naming and Self-Documenting Code

Objective: Ensure all identifiers clearly express their purpose and intent, making code
self-documenting

Status: Passed

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Secure Error Handling

Objective: To prevent the leakage of sensitive system information through error messages while
providing sufficient detail for internal debugging.

Status: Passed

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Comprehensive Audit Trails

Objective: To create a detailed and reliable record of critical system actions for security analysis
and compliance.

Status:
No new logging: The PR only adjusts imports and docstrings without adding or modifying any critical action
logging, so audit trail coverage cannot be assessed from the diff alone.

Referred Code
        logger.debug(f"Received CDP message: {response}")
    if isinstance(response, Exception):
        if logger.isEnabledFor(logging.DEBUG):
            logger.debug(f"Exception raised by {cmd_event} message: {type(response).__name__}")
        raise response
    return response

def listen(self, *event_types, buffer_size=10):
    """Listen for events.

    Returns:
        An async iterator that iterates over events matching the indicated types.
    """
    sender, receiver = trio.open_memory_channel(buffer_size)
    for event_type in event_types:
        self.channels[event_type].add(sender)
    return receiver

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Robust Error Handling and Edge Case Management

Objective: Ensure comprehensive error handling that provides meaningful context and graceful
degradation

Status:
No error changes: The changes are limited to docstrings and imports without introducing or altering error
handling paths, so robustness against failures and edge cases cannot be determined from
the new lines.

Referred Code
"""Handle a response to a command.

This will set an event flag that will return control to the
task that called the command.

Args:
    data: response as a JSON dictionary
"""
cmd_id = data["id"]

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Secure Logging Practices

Objective: To ensure logs are useful for debugging and auditing without exposing sensitive
information like PII, PHI, or cardholder data.

Status:
Potential verbose logs: Existing debug logging of full CDP messages appears unchanged but remains potentially
sensitive; this PR does not add new logs, yet secure logging compliance cannot be
confirmed without full context.

Referred Code
    logger.debug(f"Received CDP message: {response}")
if isinstance(response, Exception):
    if logger.isEnabledFor(logging.DEBUG):
        logger.debug(f"Exception raised by {cmd_event} message: {type(response).__name__}")
    raise response
return response

Learn more about managing compliance generic rules or creating your own custom rules

Generic: Security-First Input Validation and Data Handling

Objective: Ensure all data inputs are validated, sanitized, and handled securely to prevent
vulnerabilities

Status:
No validation changes: The PR only adjusts a decorator and formatting without changing input validation or data
handling, so security posture cannot be evaluated from the new code alone.

Referred Code
def binary_location(self) -> str:
    """Returns the location of the binary."""
    return self._binary_location

@binary_location.setter
def binary_location(self, value: str) -> None:
    """Sets the location of the browser binary by string."""
    if not isinstance(value, str):
        raise TypeError(self.BINARY_LOCATION_ERROR)

Learn more about managing compliance generic rules or creating your own custom rules

Compliance status legend 🟢 - Fully Compliant
🟡 - Partial Compliant
🔴 - Not Compliant
⚪ - Requires Further Human Verification
🏷️ - Compliance label

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3 participants