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Added a documentation chapter about logging

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This commit is contained in:
Armin Ronacher 2010-05-17 22:46:35 +02:00
parent e7f67e1333
commit ea5e654e9e
9 changed files with 307 additions and 11 deletions
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24
flask.py
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@ -666,7 +666,7 @@ class Flask(_PackageBoundObject):
#: .. versionadded:: 0.5
debug_log_format = (
'-' * 80 + '\n' +
'%(levelname)s in %(module)s, %(filename)s:%(lineno)d]:\n' +
'%(levelname)s in %(module)s, %(pathname)s:%(lineno)d]:\n' +
'%(message)s\n' +
'-' * 80
)
@ -769,7 +769,12 @@ class Flask(_PackageBoundObject):
def logger(self):
"""A :class:`logging.Logger` object for this application. The
default configuration is to log to stderr if the application is
in debug mode.
in debug mode. This logger can be used to (surprise) log messages.
Here some examples::
app.logger.debug('A value for debugging')
app.logger.warning('A warning ocurred (%d apples)', 42)
app.logger.error('An error occoured')
"""
from logging import getLogger, StreamHandler, Formatter, DEBUG
class DebugHandler(StreamHandler):
@ -1085,8 +1090,6 @@ class Flask(_PackageBoundObject):
return self.view_functions[req.endpoint](**req.view_args)
except HTTPException, e:
return self.handle_http_exception(e)
except Exception, e:
return self.handle_exception(e)
def make_response(self, rv):
"""Converts the return value from a view function to a real
@ -1176,11 +1179,14 @@ class Flask(_PackageBoundObject):
exception context to start the response
"""
with self.request_context(environ):
rv = self.preprocess_request()
if rv is None:
rv = self.dispatch_request()
response = self.make_response(rv)
response = self.process_response(response)
try:
rv = self.preprocess_request()
if rv is None:
rv = self.dispatch_request()
response = self.make_response(rv)
response = self.process_response(response)
except Exception, e:
response = self.make_response(self.handle_exception(e))
return response(environ, start_response)
def request_context(self, environ):