Mercurial Repositories > eric / file comparison
comparison: E4XML/XMLUtilities.py
E4XML/XMLUtilities.py
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2004 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing various XML utility functions. | |
| 8 """ | |
| 9 | |
| 10 def make_parser(validating): | |
| 11 """ | |
| 12 Function to generate an XML parser. | |
| 13 | |
| 14 First it will be tried to generate a validating parser. If | |
| 15 this attempt fails, a non validating parser is tried next. | |
| 16 | |
| 17 @param validating flag indicating a validating parser is requested | |
| 18 @return XML parser object | |
| 19 """ | |
| 20 if validating: | |
| 21 # see if we have a working validating parser available | |
| 22 try: | |
| 23 import _xmlplus | |
| 24 except ImportError: | |
| 25 validating = False | |
| 26 else: | |
| 27 try: | |
| 28 v = _xmlplus.version_info | |
| 29 except AttributeError: | |
| 30 validating = False | |
| 31 else: | |
| 32 if v < (0, 8, 3): | |
| 33 validating = False | |
| 34 | |
| 35 if validating: | |
| 36 try: | |
| 37 from xml.sax.sax2exts import XMLValParserFactory | |
| 38 return XMLValParserFactory.make_parser() | |
| 39 except ImportError: | |
| 40 from xml.sax import make_parser as sax_make_parser | |
| 41 return sax_make_parser() | |
| 42 else: | |
| 43 from xml.sax import make_parser as sax_make_parser | |
| 44 return sax_make_parser() |
