Add the possibility to define and pass custom front- and backend event exception handlers to the rx.Config. #5
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…ption handlers to the rx.Config
WalkthroughThe update introduces comprehensive exception handling features across the Reflex framework. It adds new exception handlers for both frontend and backend errors, allows configuration via Changes
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Actionable comments posted: 3
Out of diff range and nitpick comments (4)
reflex/constants/__init__.py (1)
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3-68: Consider sorting and formatting the import block to improve readability and maintainability.- from .base import ( + from .base import ( COOKIES, ENV_MODE_ENV_VAR, IS_WINDOWS, IS_WINDOWS_BUN_SUPPORTED_MACHINE, # type: ignore LOCAL_STORAGE, POLLING_MAX_HTTP_BUFFER_SIZE, PYTEST_CURRENT_TEST, REFLEX_VAR_CLOSING_TAG, REFLEX_VAR_OPENING_TAG, RELOAD_CONFIG, SKIP_COMPILE_ENV_VAR, ColorMode, Dirs, Env, LogLevel, Next, Ping, Reflex, ReflexHostingCLI, Templates, ) - from .compiler import ( + from .compiler import ( NOCOMPILE_FILE, SETTER_PREFIX, CompileVars, ComponentName, Ext, Hooks, Imports, MemoizationDisposition, MemoizationMode, PageNames, ) - from .config import ( + from .config import ( ALEMBIC_CONFIG, PRODUCTION_BACKEND_URL, Config, Expiration, GitIgnore, RequirementsTxt, ) - from .custom_components import ( + from .custom_components import ( CustomComponents, ) - from .event import Endpoint, EventTriggers, SocketEvent, EventExceptionHandlers + from .event import Endpoint, EventTriggers, SocketEvent, EventExceptionHandlers - from .installer import ( + from .installer import ( Bun, Fnm, Node, PackageJson, ) - from .route import ( + from .route import ( ROUTE_NOT_FOUND, ROUTER, ROUTER_DATA, ROUTER_DATA_INCLUDE, DefaultPage, Page404, RouteArgType, RouteRegex, RouteVar, ) - from .style import STYLES_DIR, Tailwind + from .style import STYLES_DIR, Tailwindreflex/constants/event.py (2)
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16-16: Consider adding a blank line after the "Returns" section in the docstring for consistency.+ """ + Returns: + The path for the endpoint. + """
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52-52: Consider adding a blank line after the "Returns" section in the docstring for consistency.+ """ + Returns: + The event name string. + """reflex/state.py (1)
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2494-2592: Review locking mechanism inStateManagerRedis.The locking mechanism should ensure that locks are always released, even in cases of exceptions. Consider using a try-finally block to guarantee that locks are released.
maximvlah
changed the title
maximvlah
changed the title
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Actionable comments posted: 0
Out of diff range and nitpick comments (2)
reflex/config.py (2)
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3-12: Reformat the import block to maintain a sorted order.
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426-426: Add a blank line after the last section in the docstring for better readability.
…vent exception handler
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Actionable comments posted: 2
Out of diff range and nitpick comments (20)
tests/test_config.py (7)
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1-12: Consider sorting and formatting the import block for better readability and maintainability.
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21-21: Add a blank line after the "Args" section for better readability.
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39-39: Add a blank line after the "Args" section for better readability.
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67-67: Add a blank line after the "Args" section for better readability.
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101-101: Add a blank line after the "Args" section for better readability.
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190-190: Add a blank line after the "Args" section for better readability.
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213-213: Add a blank line after the "Args" section for better readability.reflex/config.py (13)
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3-13: Consider sorting and formatting the import block for better readability and maintainability.
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59-59: Add a blank line after the "Returns" section for better readability.
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89-89: Add a blank line after the "Returns" section for better readability.
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111-111: Add a blank line after the "Returns" section for better readability.
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122-122: Add a blank line after the "Returns" section for better readability.
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221-221: Add a blank line after the "Args" section for better readability.
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247-247: Add a blank line after the "Returns" section for better readability.
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259-259: Add a blank line after the "Raises" section for better readability.
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279-279: Add a blank line after the "Raises" section for better readability.
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316-316: Add a blank line after the "Returns" section for better readability.
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334-334: Add a blank line after the "Args" section for better readability.
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361-361: Add a blank line after the "Args" section for better readability.
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432-432: Add a blank line after the "Returns" section for better readability.
tests/test_config.py
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| print("Custom Backend Exception") | ||
| print(stack) | ||
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| class SomeHandler: |
There was a problem hiding this comment.
The SomeHandler class lacks a docstring. Adding a docstring would improve code documentation and maintainability.
259a260
+ """Handler for processing custom exceptions."""Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| class SomeHandler: | |
| class SomeHandler: | |
| """Handler for processing custom exceptions.""" |
tests/test_config.py
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| class SomeHandler: | ||
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| def handle(self, message:str, stack:str): |
There was a problem hiding this comment.
The handle method in SomeHandler class lacks a docstring. Adding a docstring would improve code documentation and maintainability.
261a262
+ """Handle the exception by logging or other means."""Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| def handle(self, message:str, stack:str): | |
| def handle(self, message:str, stack:str): | |
| """Handle the exception by logging or other means.""" |
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Actionable comments posted: 2
Out of diff range and nitpick comments (2)
tests/test_config.py (2)
290-290: Add a blank line after the last section in the docstring for consistency.
323-323: Add a blank line after the last section in the docstring for consistency.
|
Hi @maximvlah awesome! Thanks for your effort. |
reflex/state.py
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| config = get_config() | ||
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| # Call the custom backend exception handler if specified. If not, fallback to the default handler. |
There was a problem hiding this comment.
How about just passing the whole Exception (variable e) to the exception handlers instead of only passing 2 strings?
reflex/config.py
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| frontend_exception_handler: Optional[Callable[[str, str], None]] = default_frontend_exception_handler | ||
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| # Backend Error Handler Function | ||
| backend_exception_handler: Optional[Callable[[str, str], None]] = default_backend_exception_handler |
There was a problem hiding this comment.
Ensure that exception handlers do not return any value.
- frontend_exception_handler: Optional[Callable[[str, str], None]] = default_frontend_exception_handler
- backend_exception_handler: Optional[Callable[[str, str], None]] = default_backend_exception_handler
+ frontend_exception_handler: Optional[Callable[[str, str], None]] = None
+ backend_exception_handler: Optional[Callable[[str, str], None]] = NoneCommittable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| frontend_exception_handler: Optional[Callable[[str, str], None]] = default_frontend_exception_handler | |
| # Backend Error Handler Function | |
| backend_exception_handler: Optional[Callable[[str, str], None]] = default_backend_exception_handler | |
| frontend_exception_handler: Optional[Callable[[str, str], None]] = None | |
| # Backend Error Handler Function | |
| backend_exception_handler: Optional[Callable[[str, str], None]] = None |
reflex/config.py
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| def _validate_exception_handlers(self): | ||
| """Validate the custom event exception handlers for front- and backend. | ||
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| Raises: | ||
| ValueError: If the custom exception handlers are invalid. | ||
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| """ | ||
| for handler_domain, handler_fn, handler_spec in zip( | ||
| ["frontend", "backend"], | ||
| [self.frontend_exception_handler, self.backend_exception_handler], | ||
| [ | ||
| constants.EventExceptionHandlers.FRONTEND_ARG_SPEC, | ||
| constants.EventExceptionHandlers.BACKEND_ARG_SPEC, | ||
| ], | ||
| ): | ||
| if hasattr(handler_fn, "__name__"): | ||
| _fn_name = handler_fn.__name__ | ||
| else: | ||
| _fn_name = handler_fn.__class__.__name__ | ||
|
|
||
| if isinstance(handler_fn, functools.partial): | ||
| raise ValueError( | ||
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a partial function. Please provide a named function instead." | ||
| ) | ||
|
|
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| if not callable(handler_fn): | ||
| raise ValueError( | ||
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is not a function." | ||
| ) | ||
|
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| # Allow named functions only as lambda functions cannot be introspected | ||
| if _fn_name == "<lambda>": | ||
| raise ValueError( | ||
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a lambda function. Please use a named function instead." | ||
| ) | ||
|
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| # Check if the function has the necessary annotations and types | ||
| arg_annotations = inspect.get_annotations(handler_fn) | ||
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| for required_arg in handler_spec: | ||
| if required_arg not in arg_annotations: | ||
| raise ValueError( | ||
| f"Provided custom {handler_domain} exception handler `{_fn_name}` does not take the required argument `{required_arg}`" | ||
| ) | ||
|
|
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| if arg_annotations[required_arg] != handler_spec[required_arg]: | ||
| raise ValueError( | ||
| f"Provided custom {handler_domain} exception handler `{_fn_name}` has the wrong type for {required_arg} argument." | ||
| f"Expected `{handler_spec[required_arg]}` but got `{arg_annotations[required_arg]}`" | ||
| ) |
There was a problem hiding this comment.
Refactor the validation logic to use early return pattern for better readability.
- if hasattr(handler_fn, "__name__"):
- _fn_name = handler_fn.__name__
- else:
- _fn_name = handler_fn.__class__.__name__
+ _fn_name = getattr(handler_fn, '__name__', handler_fn.__class__.__name__)Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| def _validate_exception_handlers(self): | |
| """Validate the custom event exception handlers for front- and backend. | |
| Raises: | |
| ValueError: If the custom exception handlers are invalid. | |
| """ | |
| for handler_domain, handler_fn, handler_spec in zip( | |
| ["frontend", "backend"], | |
| [self.frontend_exception_handler, self.backend_exception_handler], | |
| [ | |
| constants.EventExceptionHandlers.FRONTEND_ARG_SPEC, | |
| constants.EventExceptionHandlers.BACKEND_ARG_SPEC, | |
| ], | |
| ): | |
| if hasattr(handler_fn, "__name__"): | |
| _fn_name = handler_fn.__name__ | |
| else: | |
| _fn_name = handler_fn.__class__.__name__ | |
| if isinstance(handler_fn, functools.partial): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a partial function. Please provide a named function instead." | |
| ) | |
| if not callable(handler_fn): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is not a function." | |
| ) | |
| # Allow named functions only as lambda functions cannot be introspected | |
| if _fn_name == "<lambda>": | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a lambda function. Please use a named function instead." | |
| ) | |
| # Check if the function has the necessary annotations and types | |
| arg_annotations = inspect.get_annotations(handler_fn) | |
| for required_arg in handler_spec: | |
| if required_arg not in arg_annotations: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` does not take the required argument `{required_arg}`" | |
| ) | |
| if arg_annotations[required_arg] != handler_spec[required_arg]: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` has the wrong type for {required_arg} argument." | |
| f"Expected `{handler_spec[required_arg]}` but got `{arg_annotations[required_arg]}`" | |
| ) | |
| def _validate_exception_handlers(self): | |
| """Validate the custom event exception handlers for front- and backend. | |
| Raises: | |
| ValueError: If the custom exception handlers are invalid. | |
| """ | |
| for handler_domain, handler_fn, handler_spec in zip( | |
| ["frontend", "backend"], | |
| [self.frontend_exception_handler, self.backend_exception_handler], | |
| [ | |
| constants.EventExceptionHandlers.FRONTEND_ARG_SPEC, | |
| constants.EventExceptionHandlers.BACKEND_ARG_SPEC, | |
| ], | |
| ): | |
| _fn_name = getattr(handler_fn, '__name__', handler_fn.__class__.__name__) | |
| if isinstance(handler_fn, functools.partial): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a partial function. Please provide a named function instead." | |
| ) | |
| if not callable(handler_fn): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is not a function." | |
| ) | |
| # Allow named functions only as lambda functions cannot be introspected | |
| if _fn_name == "<lambda>": | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a lambda function. Please use a named function instead." | |
| ) | |
| # Check if the function has the necessary annotations and types | |
| arg_annotations = inspect.get_annotations(handler_fn) | |
| for required_arg in handler_spec: | |
| if required_arg not in arg_annotations: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` does not take the required argument `{required_arg}`" | |
| ) | |
| if arg_annotations[required_arg] != handler_spec[required_arg]: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` has the wrong type for {required_arg} argument." | |
| f"Expected `{handler_spec[required_arg]}` but got `{arg_annotations[required_arg]}`" | |
| ) |
Consider using the early return pattern to simplify the validation logic.
- if isinstance(handler_fn, functools.partial):
- raise ValueError(...)
- if not callable(handler_fn):
- raise ValueError(...)
- if _fn_name == "<lambda>":
- raise ValueError(...)
+ if isinstance(handler_fn, functools.partial):
+ raise ValueError(...)
+ if not callable(handler_fn):
+ raise ValueError(...)
+ if _fn_name == "<lambda>":
+ raise ValueError(...)
+ return # Early return after validationsCommittable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| def _validate_exception_handlers(self): | |
| """Validate the custom event exception handlers for front- and backend. | |
| Raises: | |
| ValueError: If the custom exception handlers are invalid. | |
| """ | |
| for handler_domain, handler_fn, handler_spec in zip( | |
| ["frontend", "backend"], | |
| [self.frontend_exception_handler, self.backend_exception_handler], | |
| [ | |
| constants.EventExceptionHandlers.FRONTEND_ARG_SPEC, | |
| constants.EventExceptionHandlers.BACKEND_ARG_SPEC, | |
| ], | |
| ): | |
| if hasattr(handler_fn, "__name__"): | |
| _fn_name = handler_fn.__name__ | |
| else: | |
| _fn_name = handler_fn.__class__.__name__ | |
| if isinstance(handler_fn, functools.partial): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a partial function. Please provide a named function instead." | |
| ) | |
| if not callable(handler_fn): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is not a function." | |
| ) | |
| # Allow named functions only as lambda functions cannot be introspected | |
| if _fn_name == "<lambda>": | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a lambda function. Please use a named function instead." | |
| ) | |
| # Check if the function has the necessary annotations and types | |
| arg_annotations = inspect.get_annotations(handler_fn) | |
| for required_arg in handler_spec: | |
| if required_arg not in arg_annotations: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` does not take the required argument `{required_arg}`" | |
| ) | |
| if arg_annotations[required_arg] != handler_spec[required_arg]: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` has the wrong type for {required_arg} argument." | |
| f"Expected `{handler_spec[required_arg]}` but got `{arg_annotations[required_arg]}`" | |
| ) | |
| def _validate_exception_handlers(self): | |
| """Validate the custom event exception handlers for front- and backend. | |
| Raises: | |
| ValueError: If the custom exception handlers are invalid. | |
| """ | |
| for handler_domain, handler_fn, handler_spec in zip( | |
| ["frontend", "backend"], | |
| [self.frontend_exception_handler, self.backend_exception_handler], | |
| [ | |
| constants.EventExceptionHandlers.FRONTEND_ARG_SPEC, | |
| constants.EventExceptionHandlers.BACKEND_ARG_SPEC, | |
| ], | |
| ): | |
| if hasattr(handler_fn, "__name__"): | |
| _fn_name = handler_fn.__name__ | |
| else: | |
| _fn_name = handler_fn.__class__.__name__ | |
| if isinstance(handler_fn, functools.partial): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a partial function. Please provide a named function instead." | |
| ) | |
| if not callable(handler_fn): | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is not a function." | |
| ) | |
| # Allow named functions only as lambda functions cannot be introspected | |
| if _fn_name == "<lambda>": | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` is a lambda function. Please use a named function instead." | |
| ) | |
| return # Early return after validations | |
| # Check if the function has the necessary annotations and types | |
| arg_annotations = inspect.get_annotations(handler_fn) | |
| for required_arg in handler_spec: | |
| if required_arg not in arg_annotations: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` does not take the required argument `{required_arg}`" | |
| ) | |
| if arg_annotations[required_arg] != handler_spec[required_arg]: | |
| raise ValueError( | |
| f"Provided custom {handler_domain} exception handler `{_fn_name}` has the wrong type for {required_arg} argument." | |
| f"Expected `{handler_spec[required_arg]}` but got `{arg_annotations[required_arg]}`" | |
| ) |
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Actionable comments posted: 3
Out of diff range and nitpick comments (6)
tests/test_config.py (6)
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21-21: Add a blank line after the "Args" section for better readability.
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39-39: Add a blank line after the "Args" section for better readability.
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67-67: Add a blank line after the "Args" section for better readability.
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101-101: Add a blank line after the "Args" section for better readability.
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190-190: Add a blank line after the "Args" section for better readability.
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213-213: Add a blank line after the "Args" section for better readability.
| print(stack) | ||
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| class SomeHandler: |
There was a problem hiding this comment.
Add a docstring to the SomeHandler class to improve code documentation and maintainability.
236a237
+ """Handler for processing custom exceptions."""Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| class SomeHandler: | |
| class SomeHandler: | |
| """Handler for processing custom exceptions.""" |
|
|
||
|
|
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| class SomeHandler: | ||
| def handle(self, message: str, stack: str): |
There was a problem hiding this comment.
Add a docstring to the handle method in the SomeHandler class to improve code documentation and maintainability.
237a238
+ """Handle the exception by logging or other means."""Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| def handle(self, message: str, stack: str): | |
| def handle(self, message: str, stack: str): | |
| """Handle the exception by logging or other means.""" |
tests/test_config.py
Outdated
| try: | ||
| rx.Config(app_name="a", backend_exception_handler=handler_obj["fn"]) | ||
| fn_is_valid = True | ||
| except Exception as e: |
There was a problem hiding this comment.
Remove the unused local variable e in the except block to clean up the code.
311c312
- except Exception as e:
+ except Exception:Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| except Exception as e: | |
| except Exception: |
There was a problem hiding this comment.
Actionable comments posted: 11
Out of diff range and nitpick comments (18)
tests/test_config.py (6)
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22-22: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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40-40: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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68-68: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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102-102: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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191-191: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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214-214: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+reflex/config.py (12)
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63-63: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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93-93: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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115-115: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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126-126: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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229-229: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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255-255: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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267-267: Add a blank line after the last section ("Raises") for better readability and adherence to PEP 257.+
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287-287: Add a blank line after the last section ("Raises") for better readability and adherence to PEP 257.+
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324-324: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
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342-342: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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369-369: Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.+
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437-437: Add a blank line after the last section ("Returns") for better readability and adherence to PEP 257.+
| from reflex.config import get_config | ||
|
|
There was a problem hiding this comment.
Consider sorting imports to improve readability and maintainability.
- from reflex.config import get_config
+ from reflex.config import get_configCommittable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| from reflex.config import get_config | |
| from reflex.config import get_config | |
| def handle_frontend_exception(self, message: str, stack: str) -> None: | ||
| """Handle frontend exceptions. | ||
|
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| If a frontend exception handler is provided, it will be called. | ||
| Otherwise, the default frontend exception handler will be called. | ||
|
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| Args: | ||
| message: The message of the exception. | ||
| stack: The stack trace of the exception. | ||
|
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| """ | ||
| config = get_config() | ||
|
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| config.frontend_exception_handler(message=message, stack=stack) | ||
|
|
There was a problem hiding this comment.
Ensure the frontend_exception_handler is callable before invoking it to prevent runtime errors.
+ if callable(config.frontend_exception_handler):
config.frontend_exception_handler(message=message, stack=stack)Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| def handle_frontend_exception(self, message: str, stack: str) -> None: | |
| """Handle frontend exceptions. | |
| If a frontend exception handler is provided, it will be called. | |
| Otherwise, the default frontend exception handler will be called. | |
| Args: | |
| message: The message of the exception. | |
| stack: The stack trace of the exception. | |
| """ | |
| config = get_config() | |
| config.frontend_exception_handler(message=message, stack=stack) | |
| def handle_frontend_exception(self, message: str, stack: str) -> None: | |
| """Handle frontend exceptions. | |
| If a frontend exception handler is provided, it will be called. | |
| Otherwise, the default frontend exception handler will be called. | |
| Args: | |
| message: The message of the exception. | |
| stack: The stack trace of the exception. | |
| """ | |
| config = get_config() | |
| if callable(config.frontend_exception_handler): | |
| config.frontend_exception_handler(message=message, stack=stack) | |
reflex/state.py
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| except Exception as e: | ||
| stack_trace = traceback.format_exc() | ||
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| config = get_config() | ||
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| config.backend_exception_handler(message=str(e), stack=stack_trace) | ||
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There was a problem hiding this comment.
Ensure the backend_exception_handler is callable before invoking it to prevent runtime errors.
+ if callable(config.backend_exception_handler):
config.backend_exception_handler(message=str(e), stack=stack_trace)Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| except Exception as e: | |
| stack_trace = traceback.format_exc() | |
| config = get_config() | |
| config.backend_exception_handler(message=str(e), stack=stack_trace) | |
| except Exception as e: | |
| stack_trace = traceback.format_exc() | |
| config = get_config() | |
| if callable(config.backend_exception_handler): | |
| config.backend_exception_handler(message=str(e), stack=stack_trace) |
| from __future__ import annotations | ||
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| from typing import Generator | ||
| from unittest.mock import AsyncMock | ||
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| import pytest | ||
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| import time | ||
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| from reflex.app import process | ||
| from reflex.event import Event | ||
| from reflex.state import StateManagerRedis | ||
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| from reflex.testing import AppHarness | ||
| from reflex.config import get_config | ||
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| from typing import Generator | ||
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| import pytest | ||
| from selenium.webdriver.common.by import By | ||
| from selenium.webdriver.remote.webdriver import WebDriver | ||
| from selenium.webdriver.support.ui import WebDriverWait | ||
| from selenium.webdriver.support import expected_conditions as EC | ||
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| def TestApp(): |
There was a problem hiding this comment.
Sort and format the import block for better readability and maintainability.
- from typing import Generator
- from unittest.mock import AsyncMock
- import pytest
- import time
- from reflex.app import process
- from reflex.event import Event
- from reflex.state import StateManagerRedis
- from reflex.testing import AppHarness
- from reflex.config import get_config
- from typing import Generator
- import pytest
- from selenium.webdriver.common.by import By
- from selenium.webdriver.remote.webdriver import WebDriver
- from selenium.webdriver.support.ui import WebDriverWait
- from selenium.webdriver.support import expected_conditions as EC
+ from __future__ import annotations
+ import time
+ import pytest
+ from unittest.mock import AsyncMock
+ from typing import Generator
+ from selenium.webdriver.common.by import By
+ from selenium.webdriver.remote.webdriver import WebDriver
+ from selenium.webdriver.support.ui import WebDriverWait
+ from selenium.webdriver.support import expected_conditions as EC
+ from reflex.app import process
+ from reflex.event import Event
+ from reflex.state import StateManagerRedis
+ from reflex.testing import AppHarness
+ from reflex.config import get_configCommittable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| from __future__ import annotations | |
| from typing import Generator | |
| from unittest.mock import AsyncMock | |
| import pytest | |
| import time | |
| from reflex.app import process | |
| from reflex.event import Event | |
| from reflex.state import StateManagerRedis | |
| from reflex.testing import AppHarness | |
| from reflex.config import get_config | |
| from typing import Generator | |
| import pytest | |
| from selenium.webdriver.common.by import By | |
| from selenium.webdriver.remote.webdriver import WebDriver | |
| from selenium.webdriver.support.ui import WebDriverWait | |
| from selenium.webdriver.support import expected_conditions as EC | |
| def TestApp(): | |
| from __future__ import annotations | |
| import time | |
| import pytest | |
| from unittest.mock import AsyncMock | |
| from typing import Generator | |
| from selenium.webdriver.common.by import By | |
| from selenium.webdriver.remote.webdriver import WebDriver | |
| from selenium.webdriver.support.ui import WebDriverWait | |
| from selenium.webdriver.support import expected_conditions as EC | |
| from reflex.app import process | |
| from reflex.event import Event | |
| from reflex.state import StateManagerRedis | |
| from reflex.testing import AppHarness | |
| from reflex.config import get_config | |
| def TestApp(): |
| from reflex.testing import AppHarness | ||
| from reflex.config import get_config | ||
|
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| from typing import Generator |
There was a problem hiding this comment.
Remove the redundant import of Generator to avoid confusion and maintain clean code.
- from typing import GeneratorCommittable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| from typing import Generator |
|
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|
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| def TestApp(): | ||
| """A test app for event exception handler integration.""" |
There was a problem hiding this comment.
Remove the blank line after the function docstring to adhere to PEP 257.
- Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| """A test app for event exception handler integration.""" | |
| """A test app for event exception handler integration.""" |
| Args: | ||
| c: The number of times to increment. | ||
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| Yields: |
There was a problem hiding this comment.
Add a blank line after the last section ("Yields") for better readability and adherence to PEP 257.
+ Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| Yields: | |
| Yields: | |
| Args: | ||
| tmp_path_factory: pytest tmp_path_factory fixture | ||
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| Yields: |
There was a problem hiding this comment.
Add a blank line after the last section ("Yields") for better readability and adherence to PEP 257.
+ Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| Yields: | |
| Yields: | |
| Args: | ||
| test_app: harness for TestApp app | ||
|
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| Yields: |
There was a problem hiding this comment.
Add a blank line after the last section ("Yields") for better readability and adherence to PEP 257.
+ Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| Yields: | |
| Yields: | |
| We send an event containing a call to a non-existent function in the frontend. | ||
| This should trigger the default frontend exception handler. | ||
|
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| Args: |
There was a problem hiding this comment.
Add a blank line after the last section ("Args") for better readability and adherence to PEP 257.
+ Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation.
| Args: | |
| Args: | |
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Actionable comments posted: 0
Out of diff range and nitpick comments (32)
reflex/utils/exceptions.py (1)
47-47: Add a blank line after the "Returns" section in the docstring for consistency.reflex/state.py (31)
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44-65: Consider sorting and formatting the import block for better readability and maintainability.- from reflex import constants - from reflex.base import Base - from reflex.event import ( - Event, - EventHandler, - EventSpec, - fix_events, - window_alert, - ) - from reflex.utils import console, format, prerequisites, types - from reflex.utils.exceptions import ImmutableStateError, LockExpiredError - from reflex.utils.exec is_testing_env - from reflex.utils.serializers import SerializedType, serialize, serializer - from reflex.vars import BaseVar, ComputedVar, Var, computed_var + from reflex import constants + from reflex.base import Base + from reflex.event import ( + Event, + EventHandler, + EventSpec, + fix_events, + ) + from reflex.utils import console, format, prerequisites, types + from reflex.utils.exceptions import ImmutableStateError, LockExpiredError + from reflex.utils.exec import is_testing_env + from reflex.utils.serializers import SerializedType, serialize, serializer + from reflex.vars import BaseVar, ComputedVar, Var, computed_var
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54-54: The importwindow_alertfromreflex.eventis unused and should be removed to clean up the code.- from reflex.event import ( - Event, - EventHandler, - EventSpec, - fix_events, - window_alert, - ) + from reflex.event import ( + Event, + EventHandler, + EventSpec, + fix_events, + )
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96-96: Add a blank line after the last section ("Args") in the docstring of the method_no_chain_background_taskto adhere to PEP 257 docstring conventions.
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118-118: Add a blank line after the last section ("Args") in the docstring of the method_substate_keyto adhere to PEP 257 docstring conventions.
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141-141: Add a blank line after the last section ("Args") in the docstring of the method_split_substate_keyto adhere to PEP 257 docstring conventions.
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161-161: Add a blank line after the last section ("Args") in the docstring of the method__init__to adhere to PEP 257 docstring conventions.
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183-183: Add a blank line after the last section ("Raises") in the docstring of the method__repr__to adhere to PEP 257 docstring conventions.
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228-228: Add a blank line after the last section ("Returns") in the docstring of the method_get_computed_varsto adhere to PEP 257 docstring conventions.
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246-246: Add a blank line after the last section ("Returns") in the docstring of the method__init_subclass__to adhere to PEP 257 docstring conventions.
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335-335: Add a blank line after the last section ("Raises") in the docstring of the method_copy_fnto adhere to PEP 257 docstring conventions.
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366-366: Add a blank line after the last section ("Returns") in the docstring of the method_item_is_event_handlerto adhere to PEP 257 docstring conventions.
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375-375: Add a blank line after the last section ("Returns") in the docstring of the method_mixinsto adhere to PEP 257 docstring conventions.
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393-393: Add a blank line after the last section ("Raises") in the docstring of the method_init_var_dependency_dictsto adhere to PEP 257 docstring conventions.
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520-520: Add a blank line after the last section ("Returns") in the docstring of the method_check_overridden_methodsto adhere to PEP 257 docstring conventions.
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541-541: Add a blank line after the last section ("Returns") in the docstring of the methodget_skip_varsto adhere to PEP 257 docstring conventions.
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555-555: Add a blank line after the last section ("Returns") in the docstring of the methodget_parent_stateto adhere to PEP 257 docstring conventions.
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623-623: Add a blank line after the last section ("Raises") in the docstring of the methodget_substatesto adhere to PEP 257 docstring conventions.
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646-646: Add a blank line after the last section ("Returns") in the docstring of the methodget_nameto adhere to PEP 257 docstring conventions.
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666-666: Add a blank line after the last section ("Returns") in the docstring of the methodget_full_nameto adhere to PEP 257 docstring conventions.
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681-681: Add a blank line after the last section ("Returns") in the docstring of the methodget_class_substateto adhere to PEP 257 docstring conventions.
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691-691: Add a blank line after the last section ("Returns") in the docstring of the methodget_class_varto adhere to PEP 257 docstring conventions.
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701-701: Add a blank line after the last section ("Returns") in the docstring of the method_init_varto adhere to PEP 257 docstring conventions.
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721-721: Add a blank line after the last section ("Raises") in the docstring of the methodadd_varto adhere to PEP 257 docstring conventions.
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748-748: Add a blank line after the last section ("Raises") in the docstring of the method_set_varto adhere to PEP 257 docstring conventions.
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764-764: Add a blank line after the last section ("Raises") in the docstring of the method_create_event_handlerto adhere to PEP 257 docstring conventions.
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790-790: Add a blank line after the last section ("Raises") in the docstring of the method_create_setterto adhere to PEP 257 docstring conventions.
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822-822: Add a blank line after the last section ("Args") in the docstring of the method_set_default_valueto adhere to PEP 257 docstring conventions.
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834-834: Add a blank line after the last section ("Returns") in the docstring of the method_get_base_functionsto adhere to PEP 257 docstring conventions.
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843-843: Add a blank line after the last section ("Args") in the docstring of the methodget_tokento adhere to PEP 257 docstring conventions.
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856-856: Add a blank line after the last section ("Args") in the docstring of the methodget_sidto adhere to PEP 257 docstring conventions.
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878-878: Add a blank line after the last section ("Returns") in the docstring of the methodget_headersto adhere to PEP 257 docstring conventions.
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@maximvlah avoid using the |
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Hello, Reflex maintainer here. We've recently started looking into solving this specific issue of picking up frontend errors and being able to handle them on the backend. What is your plan regarding this PR? |
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Hey @Lendemor, thanks for checking in. @maximvlah will continue to work on this on 10.06. |
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@Lendemor continue here: reflex-dev#3476 |
Summary by CodeRabbit
New Features
Bug Fixes
Documentation
Tests
Refactor