gergely/flask-logging-extras
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Merge pull request #4 from gergelypolonkai/config-before-app

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Allow configuration of the logger before the app gets created
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Gergely Polonkai 2018-01-31 14:23:51 +01:00 committed by GitHub
commit 63895ea46e
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2 changed files with 46 additions and 20 deletions
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64
flask_logging_extras/__init__.py
View File

@ -121,13 +121,17 @@ class FlaskExtraLogger(logging.getLoggerClass()):
del(kwargs['app'])
self.app = None
self._valid_keywords = []
self._valid_keywords = {}
self._blueprint_var = None
self._blueprint_app = None
self._blueprint_norequest = None
super(FlaskExtraLogger, self).__init__(*args, **kwargs)
if hasattr(self.__class__, '__default_config__'):
self.config = self.__class__.__default_config__
self.init_from_config()
def _log(self, *args, **kwargs):
if has_app_context() and self.app is None:
self.init_app(current_app)
@ -158,6 +162,42 @@ class FlaskExtraLogger(logging.getLoggerClass()):
'reserved for internal use.'
.format(keyword=word))
def init_from_config(self):
"""Intialize the logger class from a Flask config dict
The class reads its necessary configuration from the config provided.
If the application doesn’t call this, or doesn’t have the `FLASK_LOGGING_EXTRAS_KEYWORDS`
in its config, no extra functionality will be added.
:raises ValueError: if the app tries to register a keyword that is
reserved for internal use
"""
if not isinstance(self.config, dict):
self.config = {
'FLASK_LOGGING_EXTRAS_KEYWORDS': getattr(self.config, 'FLASK_LOGGING_EXTRAS_KEYWORDS', {}),
'FLASK_LOGGING_EXTRAS_BLUEPRINT': getattr(self.config, 'FLASK_LOGGING_EXTRAS_BLUEPRINT', (None, '<app>', '<not a request>',)),
}
self.config.setdefault('FLASK_LOGGING_EXTRAS_KEYWORDS', {})
self.config.setdefault('FLASK_LOGGING_EXTRAS_BLUEPRINT',
(None, '<app>', '<not a request>'))
for kw in self.config['FLASK_LOGGING_EXTRAS_KEYWORDS']:
self._check_reserved_word(kw)
self._check_reserved_word(
self.config['FLASK_LOGGING_EXTRAS_BLUEPRINT'][0])
self._valid_keywords = self.config['FLASK_LOGGING_EXTRAS_KEYWORDS']
(
self._blueprint_var,
self._blueprint_app,
self._blueprint_norequest,
) = self.config['FLASK_LOGGING_EXTRAS_BLUEPRINT']
def init_app(self, app):
"""
Intialize the logger class with a Flask application
@ -176,26 +216,11 @@ class FlaskExtraLogger(logging.getLoggerClass()):
"""
self.app = app
app.config.setdefault('FLASK_LOGGING_EXTRAS_KEYWORDS', {})
app.config.setdefault('FLASK_LOGGING_EXTRAS_BLUEPRINT',
(None, '<app>', '<not a request>'))
for kw in app.config['FLASK_LOGGING_EXTRAS_KEYWORDS']:
self._check_reserved_word(kw)
self._check_reserved_word(
app.config['FLASK_LOGGING_EXTRAS_BLUEPRINT'][0])
self._valid_keywords = app.config['FLASK_LOGGING_EXTRAS_KEYWORDS']
(
self._blueprint_var,
self._blueprint_app,
self._blueprint_norequest,
) = app.config['FLASK_LOGGING_EXTRAS_BLUEPRINT']
self.config = app.config
self.init_from_config()
def register_logger_class(cls=FlaskExtraLogger):
def register_logger_class(cls=FlaskExtraLogger, config=None):
"""
Register a new logger class
@ -224,5 +249,6 @@ def register_logger_class(cls=FlaskExtraLogger):
old_class = logging.getLoggerClass()
logging.setLoggerClass(cls)
cls.__default_config__ = config
return old_class

2
setup.py
View File

@ -8,7 +8,7 @@ Flask-Logging-Extras provides extra logging functionality for Flask apps.
from setuptools import setup
setup(name='Flask-Logging-Extras',
version='0.1.1',
version='0.2.0',
url='https://github.com/gergelypolonkai/flask-logging-extras',
license='MIT',
author='Gergely Polonkai',