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annotate roundup/cgi/exceptions.py @ 5800:1a835db41674

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Call cgi.escape only on python 2. Replace with html.escapeif it can be found.
author John Rouillard <rouilj@ieee.org>
date Tue, 11 Jun 2019 21:29:24 -0400
parents 07abc8d36940
children 883c9e90b403
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1 """Exceptions for use in Roundup's web interface.
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2 """
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3
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4 __docformat__ = 'restructuredtext'
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5
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6 from roundup.exceptions import LoginError, Unauthorised
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7
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8 try:
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9 from html import escape as html_escape # python 3
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10 except ImportError:
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11 from cgi import escape as html_escape # python 2 fallback
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13 class HTTPException(BaseException):
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14 pass
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15
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16 class Redirect(HTTPException):
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17 pass
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18
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19 class NotFound(HTTPException):
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20 pass
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21
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22 class NotModified(HTTPException):
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23 pass
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24
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25 class PreconditionFailed(HTTPException):
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26 pass
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28 class DetectorError(BaseException):
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29 """Raised when a detector throws an exception.
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30 Contains details of the exception."""
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31 def __init__(self, subject, html, txt):
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32 self.subject = subject
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33 self.html = html
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34 self.txt = txt
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35
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36 class FormError(ValueError):
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37 """An 'expected' exception occurred during form parsing.
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38
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39 That is, something we know can go wrong, and don't want to alarm the user
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40 with.
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41
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42 We trap this at the user interface level and feed back a nice error to the
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43 user.
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44
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45 """
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46 pass
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47
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48 class SendFile(BaseException):
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49 """Send a file from the database."""
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51 class SendStaticFile(BaseException):
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52 """Send a static file from the instance html directory."""
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53
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54 class SeriousError(BaseException):
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55 """Raised when we can't reasonably display an error message on a
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56 templated page.
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57
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58 The exception value will be displayed in the error page, HTML
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59 escaped.
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60 """
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61 def __str__(self):
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62 return """
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63 <html><head><title>Roundup issue tracker: An error has occurred</title>
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64 <link rel="stylesheet" type="text/css" href="@@file/style.css">
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65 </head>
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66 <body class="body" marginwidth="0" marginheight="0">
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67 <p class="error-message">%s</p>
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68 </body></html>
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69 """%html_escape(self.args[0])
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71 # vim: set filetype=python sts=4 sw=4 et si :
Roundup Issue Tracker: http://roundup-tracker.org/