1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
"""
A SAX driver for xmlproc
$Id: drv_xmlproc.py,v 1.13 2001/12/30 12:13:45 loewis Exp $
"""
version="0.95"
from xml.sax import saxlib, saxutils
from xml.parsers.xmlproc import xmlproc
import os
# --- SAX_XPParser
class SAX_XPParser(saxlib.Parser,xmlproc.Application,xmlproc.DTDConsumer,
xmlproc.ErrorHandler,xmlproc.PubIdResolver):
def __init__(self):
saxlib.Parser.__init__(self)
self.reset()
self.ns_separator=" "
self.locator=1
self.is_parsing=0
self.stop_on_error=1
def parse(self,sysID):
self.reset()
try:
self.is_parsing=1
self.parser.parse_resource(sysID)
finally:
self.is_parsing=0
def parseFile(self,file):
self.reset()
try:
self.is_parsing=1
self.parser.read_from(file)
self.parser.flush()
self.parser.parseEnd()
finally:
self.is_parsing=0
def _create_parser(self):
return xmlproc.XMLProcessor()
def setLocale(self, locale):
try:
self.parser.set_error_language(locale)
except KeyError:
raise saxlib.SAXNotSupportedException("Locale '%s' not supported" % locale)
# --- data event methods
def doc_start(self):
if self.locator:
self.doc_handler.setDocumentLocator(self)
self.doc_handler.startDocument()
def doc_end(self):
self.doc_handler.endDocument()
def handle_data(self,data,start,end):
self.doc_handler.characters(data,start,end-start)
def handle_ignorable_data(self,data,start,end):
self.doc_handler.ignorableWhitespace(data,start,end-start)
def handle_pi(self, target, data):
self.doc_handler.processingInstruction(target,data)
def handle_start_tag(self, name, attrs):
self.doc_handler.startElement(name,saxutils.AttributeMap(attrs))
def handle_end_tag(self, name):
self.doc_handler.endElement(name)
# --- pubid resolution
def resolve_entity_pubid(self,pubid,sysid):
return self.ent_handler.resolveEntity(pubid,sysid)
def resolve_doctype_pubid(self,pubid,sysid):
return self.ent_handler.resolveEntity(pubid,sysid)
# --- error handling
def warning(self,msg):
self.err_handler.warning(saxlib.SAXParseException(msg,None,self))
def error(self,msg):
self.err_handler.error(saxlib.SAXParseException(msg,None,self))
def fatal(self,msg):
self.err_handler.fatalError(saxlib.SAXParseException(msg,None,self))
# --- location handling
def getColumnNumber(self):
return self.parser.get_column()
def getLineNumber(self):
return self.parser.get_line()
def getSystemId(self):
return self.parser.get_current_sysid()
# --- DTD parsing
def new_external_entity(self,name,pubid,sysid,ndata):
if ndata!="":
self.dtd_handler.unparsedEntityDecl(name,pubid,sysid,ndata)
def new_notation(self,name,pubid,sysid):
self.dtd_handler.notationDecl(name,pubid,sysid)
# --- entity events
def resolve_entity(self,pubid,sysid):
newsysid=self.ent_handler.resolveEntity(pubid,sysid)
if newsysid==None:
return sysid
else:
return newsysid
# --- EXPERIMENTAL PYTHON SAX EXTENSIONS:
def get_parser_name(self):
return "xmlproc"
def get_parser_version(self):
return xmlproc.version
def get_driver_version(self):
return version
def is_validating(self):
return 0
def is_dtd_reading(self):
return 1
def reset(self):
if hasattr(self, "parser"):
self.parser.deref()
self.parser=self._create_parser()
self.parser.set_application(self)
self.parser.set_error_handler(self)
self.parser.set_pubid_resolver(self)
self.parser.set_dtd_listener(self)
self.parser.reset()
def feed(self,data):
self.parser.feed(data)
def close(self):
self.parser.close()
self.parser.deref()
# Dereferencing to avoid circular references (grrrr)
self.err_handler = self.dtd_handler = self.doc_handler = None
self.parser = self.locator = self.ent_handler = None
# --- Global functions
def create_parser():
return SAX_XPParser()
|
