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annotate roundup/exceptions.py @ 8185:e84d4585b16d

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fix(web): issue2551356. Add etag header for not-modified (304) request. When a 304 is returned to a conditional request for a static file, print an ETag for the response. ETag was always sent with a 200 response. This also adds initial support for if-none-match conditional requests for static files. Changes: Refactors the if-modified-since code out to a method. It moves a file stat call from serve_static_file to _serve_file so that an etag can be generated by both serve_static_file and serve_file which call _serve_file. Tests added. This does not test the codepath where serve_file pulls content from the database rather than from a local file on disk. Test mocking _serve_file changed to account for 5th argument to serve_file BREAKING CHANGE: function signature for client.py-Client::_serve_file() now has 5 not 4 parameters (added etag param). Since this is a "hidden" method I am not too worried about it.
author John Rouillard <rouilj@ieee.org>
date Tue, 10 Dec 2024 16:06:13 -0500
parents 273c8c2b5042
children e882a5d52ae5
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1 """Exceptions for use across all Roundup components.
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2 """
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3
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4 __docformat__ = 'restructuredtext'
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6
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7 class RoundupException(Exception):
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8 pass
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11 class LoginError(RoundupException):
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12 pass
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15 class RateLimitExceeded(Exception):
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16 pass
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19 class Unauthorised(RoundupException):
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20 pass
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23 class RejectBase(RoundupException):
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24 pass
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27 class Reject(RejectBase):
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28 """An auditor may raise this exception when the current create or set
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29 operation should be stopped.
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30
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31 It is up to the specific interface invoking the create or set to
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32 handle this exception sanely. For example:
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33
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34 - mailgw will trap and ignore Reject for file attachments and messages
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35 - cgi will trap and present the exception in a nice format
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36 """
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37 pass
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38
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40 class RejectRaw(Reject):
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41 """
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42 Performs the same function as Reject, except HTML in the message is not
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43 escaped when displayed to the user.
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44 """
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45 pass
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46
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47
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48 class UsageError(ValueError):
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49 pass
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51 # vim: set filetype=python ts=4 sw=4 et si
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