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Merge pull request #3243 from DiegoAlbertoTorres/docs

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Guard against missing request context in logging docs.
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David Lord 2019-05-31 16:47:32 -04:00 • committed by GitHub
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1 changed files with 8 additions and 3 deletions
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docs/logging.rst
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@ -117,13 +117,18 @@ your own fields that can be used in messages. You can change the formatter for
Flask's default handler, the mail handler defined above, or any other Flask's default handler, the mail handler defined above, or any other
handler. :: handler. ::
from flask import request from flask import has_request_context, request
from flask.logging import default_handler from flask.logging import default_handler
class RequestFormatter(logging.Formatter): class RequestFormatter(logging.Formatter):
def format(self, record): def format(self, record):
record.url = request.url if has_request_context():
record.remote_addr = request.remote_addr record.url = request.url
record.remote_addr = request.remote_addr
else:
record.url = None
record.remote_addr = None
return super().format(record) return super().format(record)
formatter = RequestFormatter( formatter = RequestFormatter(