Mercurial > p > roundup > code
annotate roundup/cgi/TAL/XMLParser.py @ 3882:46ef2a6fd79d
config option to limit nosy attachments based on size
reworking of patch [SF#772323] from Philipp Gortan
It tries to avoid reading the file contents just to
get the file size but that was too hard for metakit backends.
They don't inherit from blobfiles.FileStorage which makes
it more challenging. Really that backend should be reworked
to inherit from FileStorage.
I'm not sure I like the default being sys.maxint. Maybe have
0 == unlimited? But what if someone really wanted to set it to
0 to mean "don't attach anything"?
| author | Justus Pendleton <jpend@users.sourceforge.net> |
|---|---|
| date | Mon, 03 Sep 2007 17:14:09 +0000 |
| parents | 8c2402a78bb0 |
| children | 88dbacd11cd1 |
| rev | line source |
|---|---|
| 1049 | 1 ############################################################################## |
| 2 # | |
| 3 # Copyright (c) 2001, 2002 Zope Corporation and Contributors. | |
| 4 # All Rights Reserved. | |
|
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beginning getting ZPT up to date: TAL first
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parents:
2005
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5 # |
| 1049 | 6 # This software is subject to the provisions of the Zope Public License, |
| 7 # Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution. | |
| 8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED | |
| 9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS | |
| 11 # FOR A PARTICULAR PURPOSE | |
|
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parents:
2005
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12 # |
| 1049 | 13 ############################################################################## |
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14 # Modifications for Roundup: |
|
8c2402a78bb0
beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
2005
diff
changeset
|
15 # 1. commented out zLOG references |
|
8c2402a78bb0
beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
2005
diff
changeset
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16 """ |
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8c2402a78bb0
beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
2005
diff
changeset
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17 Generic expat-based XML parser base class. |
|
8c2402a78bb0
beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
2005
diff
changeset
|
18 """ |
|
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Adhering to ZPL
Richard Jones <richard@users.sourceforge.net>
parents:
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19 |
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2348
8c2402a78bb0
beginning getting ZPT up to date: TAL first
Richard Jones <richard@users.sourceforge.net>
parents:
2005
diff
changeset
|
20 #import zLOG |
| 1049 | 21 |
| 22 class XMLParser: | |
| 23 | |
| 24 ordered_attributes = 0 | |
| 25 | |
| 26 handler_names = [ | |
| 27 "StartElementHandler", | |
| 28 "EndElementHandler", | |
| 29 "ProcessingInstructionHandler", | |
| 30 "CharacterDataHandler", | |
| 31 "UnparsedEntityDeclHandler", | |
| 32 "NotationDeclHandler", | |
| 33 "StartNamespaceDeclHandler", | |
| 34 "EndNamespaceDeclHandler", | |
| 35 "CommentHandler", | |
| 36 "StartCdataSectionHandler", | |
| 37 "EndCdataSectionHandler", | |
| 38 "DefaultHandler", | |
| 39 "DefaultHandlerExpand", | |
| 40 "NotStandaloneHandler", | |
| 41 "ExternalEntityRefHandler", | |
| 42 "XmlDeclHandler", | |
| 43 "StartDoctypeDeclHandler", | |
| 44 "EndDoctypeDeclHandler", | |
| 45 "ElementDeclHandler", | |
| 46 "AttlistDeclHandler" | |
| 47 ] | |
| 48 | |
| 49 def __init__(self, encoding=None): | |
| 50 self.parser = p = self.createParser() | |
| 51 if self.ordered_attributes: | |
| 52 try: | |
| 53 self.parser.ordered_attributes = self.ordered_attributes | |
| 54 except AttributeError: | |
| 55 #zLOG.LOG("TAL.XMLParser", zLOG.INFO, | |
| 56 # "Can't set ordered_attributes") | |
| 57 self.ordered_attributes = 0 | |
| 58 for name in self.handler_names: | |
| 59 method = getattr(self, name, None) | |
| 60 if method is not None: | |
| 61 try: | |
| 62 setattr(p, name, method) | |
| 63 except AttributeError: | |
| 64 #zLOG.LOG("TAL.XMLParser", zLOG.PROBLEM, | |
| 65 # "Can't set expat handler %s" % name) | |
| 66 pass | |
| 67 | |
| 68 def createParser(self, encoding=None): | |
| 69 global XMLParseError | |
| 70 try: | |
| 71 from Products.ParsedXML.Expat import pyexpat | |
| 72 XMLParseError = pyexpat.ExpatError | |
| 73 return pyexpat.ParserCreate(encoding, ' ') | |
| 74 except ImportError: | |
| 75 from xml.parsers import expat | |
| 76 XMLParseError = expat.ExpatError | |
| 77 return expat.ParserCreate(encoding, ' ') | |
| 78 | |
| 79 def parseFile(self, filename): | |
| 80 self.parseStream(open(filename)) | |
| 81 | |
| 82 def parseString(self, s): | |
| 83 self.parser.Parse(s, 1) | |
| 84 | |
| 85 def parseURL(self, url): | |
| 86 import urllib | |
| 87 self.parseStream(urllib.urlopen(url)) | |
| 88 | |
| 89 def parseStream(self, stream): | |
| 90 self.parser.ParseFile(stream) | |
| 91 | |
| 92 def parseFragment(self, s, end=0): | |
| 93 self.parser.Parse(s, end) |