mirror of
https://github.com/EDCD/EDMarketConnector.git
synced 2025-04-13 15:57:14 +03:00
Fixed error when logging out of a class var
This also adds an insane amount of paranoia around getting SOMETHING dumped when an exception happens. Fixes #1044
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A_D
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127
EDMCLogging.py
127
EDMCLogging.py
@ -41,10 +41,12 @@ import logging.handlers
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import os
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import pathlib
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import tempfile
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from contextlib import suppress
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# So that any warning about accessing a protected member is only in one place.
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from sys import _getframe as getframe
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from threading import get_native_id as thread_native_id
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from typing import TYPE_CHECKING, Tuple, cast
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from traceback import print_exc
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from config import appcmdname, appname, config
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@ -85,7 +87,10 @@ logging.Logger.trace = lambda self, message, *args, **kwargs: self._log( # type
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)
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if TYPE_CHECKING:
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from types import FrameType
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# Fake type that we can use here to tell type checkers that trace exists
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class LoggerMixin(logging.Logger):
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"""LoggerMixin is a fake class that tells type checkers that trace exists on a given type."""
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@ -318,65 +323,83 @@ class EDMCContextFilter(logging.Filter):
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# We've given up, so just return '??' to signal we couldn't get the info
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return '??', '??', module_name
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try:
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args, _, _, value_dict = inspect.getargvalues(frame)
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if len(args) and args[0] in ('self', 'cls'):
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frame_class: 'object' = value_dict[args[0]]
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args, _, _, value_dict = inspect.getargvalues(frame)
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if len(args) and args[0] in ('self', 'cls'):
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frame_class: 'object' = value_dict[args[0]]
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if frame_class:
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# See https://en.wikipedia.org/wiki/Name_mangling#Python for how name mangling works.
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# For more detail, see _Py_Mangle in CPython's Python/compile.c.
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name = frame_info.function
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class_name = frame_class.__class__.__name__.lstrip("_")
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if name.startswith("__") and not name.endswith("__") and class_name:
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name = f'_{class_name}{frame_info.function}'
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if frame_class:
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# See https://en.wikipedia.org/wiki/Name_mangling#Python for how name mangling works.
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# For more detail, see _Py_Mangle in CPython's Python/compile.c.
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name = frame_info.function
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class_name = frame_class.__class__.__name__.lstrip("_")
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if name.startswith("__") and not name.endswith("__") and class_name:
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name = f'_{class_name}{frame_info.function}'
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# Find __qualname__ of the caller
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fn = inspect.getattr_static(frame_class, name, None)
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if fn is None:
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# For some reason getattr_static cant grab this. Try and grab it with getattr, bail out
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# if we get a RecursionError indicating a property
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try:
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fn = getattr(frame_class, name, None)
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except RecursionError:
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print(
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"EDMCLogging:EDMCContextFilter:caller_attributes():"
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"Failed to get attribute for function info. Bailing out"
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)
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# class_name is better than nothing for __qualname__
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return class_name, class_name, module_name
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# Find __qualname__ of the caller
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fn = inspect.getattr_static(frame_class, name, None)
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if fn is None:
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# For some reason getattr_static cant grab this. Try and grab it with getattr, bail out
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# if we get a RecursionError indicating a property
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try:
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fn = getattr(frame_class, name, None)
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except RecursionError:
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print(
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"EDMCLogging:EDMCContextFilter:caller_attributes():"
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"Failed to get attribute for function info. Bailing out"
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)
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# class_name is better than nothing for __qualname__
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return class_name, class_name, module_name
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if fn is not None:
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if isinstance(fn, property):
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class_name = str(frame_class)
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# If somehow you make your __class__ or __class__.__qualname__ recursive,
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# I'll be impressed.
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if hasattr(frame_class, '__class__') and hasattr(frame_class.__class__, "__qualname__"):
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class_name = frame_class.__class__.__qualname__
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caller_qualname = f"{class_name}.{name}(property)"
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if fn is not None:
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if isinstance(fn, property):
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class_name = str(frame_class)
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# If somehow you make your __class__ or __class__.__qualname__ recursive, I'll be impressed.
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if hasattr(frame_class, '__class__') and hasattr(frame_class.__class__, "__qualname__"):
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class_name = frame_class.__class__.__qualname__
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caller_qualname = f"{class_name}.{name}(property)"
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else:
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caller_qualname = f"<property {name} on {class_name}>"
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else:
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caller_qualname = f"<property {name} on {class_name}>"
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elif hasattr(fn, '__qualname__') and fn.__qualname__:
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caller_qualname = fn.__qualname__
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elif fn.__qualname__:
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caller_qualname = fn.__qualname__
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# Find containing class name(s) of caller, if any
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if (
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frame_class.__class__ and hasattr(frame_class.__class__, '__qualname__')
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and frame_class.__class__.__qualname__
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):
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caller_class_names = frame_class.__class__.__qualname__
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# Find containing class name(s) of caller, if any
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if frame_class.__class__ and frame_class.__class__.__qualname__:
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caller_class_names = frame_class.__class__.__qualname__
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# It's a call from the top level module file
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elif frame_info.function == '<module>':
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caller_class_names = '<none>'
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caller_qualname = value_dict['__name__']
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# It's a call from the top level module file
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elif frame_info.function == '<module>':
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caller_class_names = '<none>'
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caller_qualname = value_dict['__name__']
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elif frame_info.function != '':
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caller_class_names = '<none>'
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caller_qualname = frame_info.function
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elif frame_info.function != '':
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caller_class_names = '<none>'
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caller_qualname = frame_info.function
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module_name = cls.munge_module_name(frame_info, module_name)
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module_name = cls.munge_module_name(frame_info, module_name)
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except Exception as e:
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print("ALERT! Something went VERY wrong in handling finding info to log")
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print("ALERT! Information is as follows")
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with suppress(Exception):
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# https://docs.python.org/3.7/library/inspect.html#the-interpreter-stack
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del frame
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print(f"ALERT! {e=}")
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print_exc()
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print(f"ALERT! {frame=}")
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with suppress(Exception):
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print(f"ALERT! {fn=}") # type: ignore
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with suppress(Exception):
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print(f"ALERT! {cls=}")
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finally: # Ensure this always happens
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# https://docs.python.org/3.7/library/inspect.html#the-interpreter-stack
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del frame
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if caller_qualname == '':
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print('ALERT! Something went wrong with finding caller qualname for logging!')
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@ -398,19 +421,19 @@ class EDMCContextFilter(logging.Filter):
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# Go up through stack frames until we find the first with a
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# type(f_locals.self) of logging.Logger. This should be the start
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# of the frames internal to logging.
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frame: 'frame' = getframe(0)
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frame: 'FrameType' = getframe(0)
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while frame:
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if isinstance(frame.f_locals.get('self'), logging.Logger):
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frame = frame.f_back # Want to start on the next frame below
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frame = cast('FrameType', frame.f_back) # Want to start on the next frame below
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break
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frame = frame.f_back
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frame = cast('FrameType', frame.f_back)
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# Now continue up through frames until we find the next one where
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# that is *not* true, as it should be the call site of the logger
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# call
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while frame:
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if not isinstance(frame.f_locals.get('self'), logging.Logger):
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break # We've found the frame we want
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frame = frame.f_back
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frame = cast('FrameType', frame.f_back)
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return frame
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@classmethod
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