Introduce Typed Data Classes for iRail Station Endpoint #22
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📝 WalkthroughWalkthroughThis pull request introduces a new data modeling approach for the pyrail library by adding the Changes
Sequence DiagramsequenceDiagram
participant Client
participant iRail
participant iRailAPI
participant Models
Client->>iRail: get_stations()
iRail->>iRailAPI: Request stations
iRailAPI-->>iRail: Raw station data
iRail->>Models: Convert to StationsApiResponse
Models-->>iRail: Structured station objects
iRail-->>Client: List[Station]
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Actionable comments posted: 0
🧹 Nitpick comments (8)
test.py (3)
1-2: Add module-level docstring
A module docstring would enhance code readability, align with docstring conventions, and help other developers understand this module’s purpose.🧰 Tools
🪛 Ruff (0.8.2)
1-1: Missing docstring in public module
(D100)
5-10: Add docstring formain()
The functionmain()is asynchronous and part of your public interface, so adding a docstring will make it clearer how to use it and what it returns.🧰 Tools
🪛 Ruff (0.8.2)
5-5: Missing docstring in public function
(D103)
12-13: Consider test structure or rename
Running your script fromasyncio.run(main())is perfectly valid. However, iftest.pyis intended to be used for actual tests, consider renaming it to clarify its test nature or bringing it into a dedicated testing framework (e.g.,pytest).pyrail/models.py (4)
1-2: Add module-level docstring
Providing a brief docstring at the top-level of the module clarifies its purpose, which is particularly useful for a public module.🧰 Tools
🪛 Ruff (0.8.2)
1-1: Missing docstring in public module
(D100)
8-15: Add docstring toStation
Although the class is self-explanatory, adding a short docstring ensures clarity and docs generation compliance.🧰 Tools
🪛 Ruff (0.8.2)
9-9: Missing docstring in public class
(D101)
17-21: Add docstring toAPIResponse
A short docstring on this base class will help new contributors understand its intended usage.🧰 Tools
🪛 Ruff (0.8.2)
18-18: Missing docstring in public class
(D101)
23-25: Add docstring toStationAPIResponse
While the class name is intuitive, clarifying its use in a docstring will improve maintainability and consistency with standard docstring conventions.🧰 Tools
🪛 Ruff (0.8.2)
24-24: Missing docstring in public class
(D101)
pyrail/irail.py (1)
Line range hint
342-362: Ensure docstring alignment with new return type
Yourget_stations()docstring mentions returning aList[Station], but the code uses Python 3.10+ syntaxlist[Station] | None. Although these are functionally the same for type checking, consider explicitly matching the docstring to the new syntax or clarifying that aNonereturn is possible.
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📒 Files selected for processing (4)
pyproject.toml(1 hunks)pyrail/irail.py(3 hunks)pyrail/models.py(1 hunks)test.py(1 hunks)
🧰 Additional context used
🪛 Ruff (0.8.2)
test.py
1-1: Missing docstring in public module
(D100)
5-5: Missing docstring in public function
(D103)
pyrail/models.py
1-1: Missing docstring in public module
(D100)
9-9: Missing docstring in public class
(D101)
18-18: Missing docstring in public class
(D101)
24-24: Missing docstring in public class
(D101)
🔇 Additional comments (2)
pyproject.toml (1)
22-22: Check dependency version compatibility
Whilemashumarowithorjsonextras is a good choice, verify potential version conflicts or pinned requirements in your environment.pyrail/irail.py (1)
13-13: Validate imports
You’re importingStationandStationAPIResponsefor structured data. This is good, but ensure that merging or removing classes in the future doesn’t break downstream references.
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Actionable comments posted: 0
🔭 Outside diff range comments (1)
pyrail/irail.py (1)
Add error handling for JSON deserialization
The current implementation should handle potential exceptions during JSON deserialization to prevent crashes from malformed API responses. Consider wrapping the
from_dictcall in a try-except block:try: stations_response: StationAPIResponse = StationAPIResponse.from_dict(stations_dict) return stations_response.station except Exception as e: logger.error(f"Failed to parse station response: {e}") return None🔗 Analysis chain
Line range hint
360-380: Consider additional error-handling for station objects.The updated method neatly converts the dictionary into a
StationAPIResponseand returnsstations_response.station. However, if the response is missing or malformed,from_dictmight raise an exception. Consider adding a try-except or verifying that the station list is present before returning it.As a follow-up, you could run a script to search for usage of
get_stationsand confirm whether the calling code already expects empty or partial station lists:🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify calls to get_stations for potential error handling rg -A 5 'await client\.get_stations'Length of output: 864
Script:
#!/bin/bash # Find StationAPIResponse class implementation ast-grep --pattern 'class StationAPIResponse'Length of output: 47
Script:
#!/bin/bash # Find StationAPIResponse definition and related code rg -A 5 "StationAPIResponse" rg -A 5 "@dataclass.*StationAPIResponse"Length of output: 814
Script:
#!/bin/bash # Find APIResponse base class implementation rg -A 10 "class APIResponse"Length of output: 322
Script:
#!/bin/bash # Find DataClassORJSONMixin implementation rg -A 10 "class DataClassORJSONMixin"Length of output: 39
🧹 Nitpick comments (2)
tests/test_typed.py (2)
1-1: Consider adding a module-level docstring.According to Ruff (D100), a public module should have a docstring explaining its purpose. Adding a short docstring at the top can help newcomers easily understand what this test script does.
🧰 Tools
🪛 Ruff (0.8.2)
1-1: Missing docstring in public module
(D100)
5-9: Add a docstring and basic assertions.
- As flagged by Ruff (D103), this public function lacks a docstring describing its purpose, parameters, and usage.
- Consider including at least one simple assertion or verification (e.g., verifying that
stationsis not empty) to strengthen the test example.🧰 Tools
🪛 Ruff (0.8.2)
5-5: Missing docstring in public function
(D103)
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⛔ Files ignored due to path filters (1)
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📒 Files selected for processing (3)
pyproject.toml(1 hunks)pyrail/irail.py(3 hunks)tests/test_typed.py(1 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
- pyproject.toml
🧰 Additional context used
🪛 Ruff (0.8.2)
tests/test_typed.py
1-1: Missing docstring in public module
(D100)
5-5: Missing docstring in public function
(D103)
🔇 Additional comments (2)
tests/test_typed.py (1)
13-13: Looks good.The invocation of
asyncio.run(main())is straightforward and valid for running the asynchronous code in this test script.pyrail/irail.py (1)
13-13: New imports for typed models.Importing
StationandStationAPIResponseis consistent with the new typed approach. Smooth integration here.
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Actionable comments posted: 0
🧹 Nitpick comments (6)
tests/test_irail.py (3)
57-58: **Docstring mismatch with updated data structure **The function docstring above mentions that the response is a dictionary containing
'station', but the new assertion checks for a list. Consider updating the docstring to reflect that the method now returns a list ofStationobjects.
60-63: **Clarify assertion error message **The error message "Expected 'station' to be a list" may be confusing, as you are actually expecting an element from the
stationslist to be aStationobject. Consider revising it for clarity.- stations[0], Station), "Expected 'station' to be a list" + stations[0], Station), "Expected the first item in the stations list to be a Station instance"
91-94: **Clarify assertion error message for connections **Similar to the stations check, improve the assertion message for consistency:
- connection_list, list), "Expected 'connection' to be a list" + connection_list, list), "Expected response['connection'] to be a list"pyrail/models.py (3)
10-10: **Add class-level docstring to explain its purpose **The linter flags a missing docstring. Consider adding a brief summary of
ApiResponse:+ """Base class for API responses, including schema version and timestamp."""🧰 Tools
🪛 Ruff (0.8.2)
10-10: Missing docstring in public class
(D101)
16-16: **Add class-level docstring to explain its purpose **Consider adding a docstring summarizing
Station, for clarity and to address linter warnings:+ """Represents a single railway station with location and naming attributes."""🧰 Tools
🪛 Ruff (0.8.2)
16-16: Missing docstring in public class
(D101)
30-30: **Add class-level docstring to explain its purpose **Similarly, add a docstring for
StationsApiResponse. For example:+ """Holds a list of station objects returned by the 'stations' endpoint."""🧰 Tools
🪛 Ruff (0.8.2)
30-30: Missing docstring in public class
(D101)
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⛔ Files ignored due to path filters (1)
poetry.lockis excluded by!**/*.lock
📒 Files selected for processing (3)
pyrail/irail.py(3 hunks)pyrail/models.py(1 hunks)tests/test_irail.py(4 hunks)
🧰 Additional context used
🪛 Ruff (0.8.2)
pyrail/models.py
10-10: Missing docstring in public class
(D101)
16-16: Missing docstring in public class
(D101)
30-30: Missing docstring in public class
(D101)
🔇 Additional comments (4)
tests/test_irail.py (3)
8-8: **Import of Station is appropriate **Good job importing the newly introduced
Stationclass and using it in the tests. This aligns with the typed approach described in the pull request summary.
26-27: **No concerns with additional header usage **The added headers referencing the pyRail GitHub repo are correct and consistent with the existing pattern.
83-84: **No issues found **Asserting that
connectionsis a dictionary aligns with the endpoint's expected return type.pyrail/irail.py (1)
Line range hint
360-381: **Concise and clear station fetch method **Switching from raw dictionaries to typed objects increases clarity and maintainability. Good work updating the docstring to match the new return type.
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@coderabbitai Suggest a title for this PR. |
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Tip For best results, initiate chat on the files or code changes. @tjorim Here's a concise, descriptive title you could use: Introduce Typed Data Classes for iRail Station Endpoint Feel free to adjust as needed! |
tjorim
changed the title
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Thanks for teaching me something new @silamon! |
This is a more strict typing example. The goal is to have no dicts for objects that can be defined.
Not all endpoints are done right now, just one to see to gather feedback.
Summary by CodeRabbit
Release Notes
New Features
Dependencies
mashumarolibrary for advanced data serializationImprovements