Refactor: Replace magic numbers with named constants and enums for clarity and maintainability #783
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…arity and maintainability
pacrob
reviewed
Jul 21, 2025
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| reservation_ttl: int = DEFAULT_RESERVATION_TTL # seconds | ||
| max_circuit_duration: int = DEFAULT_MAX_CIRCUIT_DURATION # seconds | ||
| max_circuit_bytes: int = DEFAULT_MAX_CIRCUIT_BYTES # 1GB |
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since the explanatory comments are next to where the constants are defined, the can be removed here.
pacrob
reviewed
Jul 21, 2025
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| if peer_id not in peerstore.peer_ids(): | ||
| return None |
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This is a functional change that doesn't appear related to constants. How did it come up?
pacrob
reviewed
Jul 21, 2025
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| available_protocols = [ | ||
| p for p in mux.get_protocols() if p is not None | ||
| ] |
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Again, functional change, however small. They're fine if they improve code, but should be noted in the PR.
pacrob
reviewed
Jul 21, 2025
| # - Hash everything for a fixed size output | ||
| random_bytes = os.urandom(16) # 128 bits of randomness | ||
| timestamp = str(int(self.created_at * 1000000)).encode() | ||
| random_bytes = os.urandom(RANDOM_BYTES_LENGTH) # 128 bits of randomness |
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don't need inline comment here and where defined.
|
Needs linting and newsfragments. The PR mentions using Enum and IntEnum, but I only see named constants. Or is there more coming? Apologies if this still WIP. |
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Refactor: Replace Magic Numbers with Named Constants and Enums
Overview
This pull request refactors multiple modules in the codebase to eliminate the use of magic numbers and hardcoded values. Instead, all such values are now defined as named constants or enums. This change is aimed at improving code clarity, maintainability, and adherence to best practices.
Details
What Was Changed
Named Constants:
Enums:
EnumorIntEnumclasses for better type safety and readability.Code Updates:
Rationale
Clarity:
Named constants and enums make the code self-documenting, so the purpose of each value is immediately clear to future maintainers and reviewers.
Maintainability:
Centralizing values in constants or enums makes it easier to update configuration or protocol parameters in one place, reducing the risk of inconsistencies or missed updates.
Best Practices:
This refactor aligns the codebase with Python and general software engineering best practices, reducing technical debt and improving code quality.
Safety:
Using enums for status codes and similar repeated values helps prevent bugs caused by incorrect or inconsistent usage of numeric literals.
Impact
This is a non-breaking, internal refactor. All existing functionality remains unchanged.
All existing tests should continue to pass. No new tests are required, but this refactor lays the groundwork for easier future testing and configuration changes.