# Levels
DEBUG = 10
INFO = 20
WARNING = 30
ERROR = 40
CRITICAL = 50
[docs]class CheckMessage:
def __init__(self, level, msg, hint=None, obj=None, id=None):
assert isinstance(level, int), "The first argument should be level."
self.level = level
self.msg = msg
self.hint = hint
self.obj = obj
self.id = id
def __eq__(self, other):
return (
isinstance(other, self.__class__) and
all(getattr(self, attr) == getattr(other, attr)
for attr in ['level', 'msg', 'hint', 'obj', 'id'])
)
def __str__(self):
from django.db import models
if self.obj is None:
obj = "?"
elif isinstance(self.obj, models.base.ModelBase):
# We need to hardcode ModelBase and Field cases because its __str__
# method doesn't return "applabel.modellabel" and cannot be changed.
obj = self.obj._meta.label
else:
obj = str(self.obj)
id = "(%s) " % self.id if self.id else ""
hint = "\n\tHINT: %s" % self.hint if self.hint else ''
return "%s: %s%s%s" % (obj, id, self.msg, hint)
def __repr__(self):
return "<%s: level=%r, msg=%r, hint=%r, obj=%r, id=%r>" % \
(self.__class__.__name__, self.level, self.msg, self.hint, self.obj, self.id)
def is_serious(self, level=ERROR):
return self.level >= level
def is_silenced(self):
from django.conf import settings
return self.id in settings.SILENCED_SYSTEM_CHECKS
[docs]class Debug(CheckMessage):
def __init__(self, *args, **kwargs):
super().__init__(DEBUG, *args, **kwargs)
[docs]class Info(CheckMessage):
def __init__(self, *args, **kwargs):
super().__init__(INFO, *args, **kwargs)
[docs]class Warning(CheckMessage):
def __init__(self, *args, **kwargs):
super().__init__(WARNING, *args, **kwargs)
[docs]class Error(CheckMessage):
def __init__(self, *args, **kwargs):
super().__init__(ERROR, *args, **kwargs)
[docs]class Critical(CheckMessage):
def __init__(self, *args, **kwargs):
super().__init__(CRITICAL, *args, **kwargs)
Oct 31, 2018