Mercurial > p > roundup > code
annotate roundup/cgi/TAL/XMLParser.py @ 8264:09e8d1a4c796
docs: clarify wording, fix index, add superseder link
Make superseder, messages etc. properties index entries point to the
right place.
Link to description of using Superseder in the original overview.
fix bad wording on boolean properties.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Wed, 08 Jan 2025 11:39:54 -0500 |
| parents | 14a61eabcea8 |
| children |
| rev | line source |
|---|---|
| 1049 | 1 ############################################################################## |
| 2 # | |
| 3 # Copyright (c) 2001, 2002 Zope Corporation and Contributors. | |
| 4 # All Rights Reserved. | |
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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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12 # |
| 1049 | 13 ############################################################################## |
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14 # Modifications for Roundup: |
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15 # 1. commented out zLOG references |
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16 # 2. use roundup.anypy.urllib_ |
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17 """ |
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18 Generic expat-based XML parser base class. |
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parents:
2005
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19 """ |
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Adhering to ZPL
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20 |
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21 #import zLOG |
| 1049 | 22 |
| 23 class XMLParser: | |
| 24 | |
| 25 ordered_attributes = 0 | |
| 26 | |
| 27 handler_names = [ | |
| 28 "StartElementHandler", | |
| 29 "EndElementHandler", | |
| 30 "ProcessingInstructionHandler", | |
| 31 "CharacterDataHandler", | |
| 32 "UnparsedEntityDeclHandler", | |
| 33 "NotationDeclHandler", | |
| 34 "StartNamespaceDeclHandler", | |
| 35 "EndNamespaceDeclHandler", | |
| 36 "CommentHandler", | |
| 37 "StartCdataSectionHandler", | |
| 38 "EndCdataSectionHandler", | |
| 39 "DefaultHandler", | |
| 40 "DefaultHandlerExpand", | |
| 41 "NotStandaloneHandler", | |
| 42 "ExternalEntityRefHandler", | |
| 43 "XmlDeclHandler", | |
| 44 "StartDoctypeDeclHandler", | |
| 45 "EndDoctypeDeclHandler", | |
| 46 "ElementDeclHandler", | |
| 47 "AttlistDeclHandler" | |
| 48 ] | |
| 49 | |
| 50 def __init__(self, encoding=None): | |
| 51 self.parser = p = self.createParser() | |
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52 # Make sure we don't get fed unicode strings in Python 2 as we |
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53 # can't handle those |
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54 if hasattr(self.parser, 'returns_unicode'): |
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parents:
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diff
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55 self.parser.returns_unicode = False |
| 1049 | 56 if self.ordered_attributes: |
| 57 try: | |
| 58 self.parser.ordered_attributes = self.ordered_attributes | |
| 59 except AttributeError: | |
| 60 #zLOG.LOG("TAL.XMLParser", zLOG.INFO, | |
| 61 # "Can't set ordered_attributes") | |
| 62 self.ordered_attributes = 0 | |
| 63 for name in self.handler_names: | |
| 64 method = getattr(self, name, None) | |
| 65 if method is not None: | |
| 66 try: | |
| 67 setattr(p, name, method) | |
| 68 except AttributeError: | |
| 69 #zLOG.LOG("TAL.XMLParser", zLOG.PROBLEM, | |
| 70 # "Can't set expat handler %s" % name) | |
| 71 pass | |
| 72 | |
| 73 def createParser(self, encoding=None): | |
| 74 global XMLParseError | |
| 75 try: | |
| 76 from Products.ParsedXML.Expat import pyexpat | |
| 77 XMLParseError = pyexpat.ExpatError | |
| 78 return pyexpat.ParserCreate(encoding, ' ') | |
| 79 except ImportError: | |
| 80 from xml.parsers import expat | |
| 81 XMLParseError = expat.ExpatError | |
| 82 return expat.ParserCreate(encoding, ' ') | |
| 83 | |
| 84 def parseFile(self, filename): | |
| 85 self.parseStream(open(filename)) | |
| 86 | |
| 87 def parseString(self, s): | |
| 88 self.parser.Parse(s, 1) | |
| 89 | |
| 90 def parseURL(self, url): | |
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5402
88dbacd11cd1
Python 3 preparation: update urllib / urllib2 / urlparse imports.
Joseph Myers <jsm@polyomino.org.uk>
parents:
2348
diff
changeset
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91 import roundup.anypy.urllib_ |
|
88dbacd11cd1
Python 3 preparation: update urllib / urllib2 / urlparse imports.
Joseph Myers <jsm@polyomino.org.uk>
parents:
2348
diff
changeset
|
92 self.parseStream(roundup.anypy.urllib_.urlopen(url)) |
| 1049 | 93 |
| 94 def parseStream(self, stream): | |
| 95 self.parser.ParseFile(stream) | |
| 96 | |
| 97 def parseFragment(self, s, end=0): | |
| 98 self.parser.Parse(s, end) |