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authorGuido van Rossum <guido@python.org>1999-02-02 17:54:38 +0000
committerGuido van Rossum <guido@python.org>1999-02-02 17:54:38 +0000
commitcc2c291b7fdb2eb4a46bdce264931bd5adeaff38 (patch)
tree81f5115b9e5fc27bea455587f368a558bdcdbe6d /Lib/xmllib.py
parent7e3535cbbd1d5e4b0d182557d91ac2c60bc1ef81 (diff)
downloadcpython-git-cc2c291b7fdb2eb4a46bdce264931bd5adeaff38.tar.gz
Patch by Sjoerd Mullender to placate /F:
Fix leaking of instances by removing the elements variable that we created on closing the parser. The elements variable is now created in the reset() method, so that the sequence close(); reset(); ... works. Also, add the name of the entity reference that wasn't found to the error message.
Diffstat (limited to 'Lib/xmllib.py')
-rw-r--r--Lib/xmllib.py16
1 files changed, 12 insertions, 4 deletions
diff --git a/Lib/xmllib.py b/Lib/xmllib.py
index b87d5406d9..92b55b7bf5 100644
--- a/Lib/xmllib.py
+++ b/Lib/xmllib.py
@@ -88,11 +88,11 @@ class XMLParser:
# Interface -- initialize and reset this instance
def __init__(self):
+ self.__fixed = 0
self.reset()
- if self.elements is XMLParser.elements:
- self.__fixelements()
def __fixelements(self):
+ self.__fixed = 1
self.elements = {}
self.__fixdict(self.__dict__)
self.__fixclass(self.__class__)
@@ -127,6 +127,10 @@ class XMLParser:
self.__seen_starttag = 0
self.__use_namespaces = 0
self.__namespaces = {'xml':None} # xml is implicitly declared
+ # backward compatipibility hack: if elements not overridden,
+ # fill it in ourselves
+ if self.elements is XMLParser.elements:
+ self.__fixelements()
# For derived classes only -- enter literal mode (CDATA) till EOF
def setnomoretags(self):
@@ -147,6 +151,10 @@ class XMLParser:
# Interface -- handle the remaining data
def close(self):
self.goahead(1)
+ if self.__fixed:
+ self.__fixed = 0
+ # remove self.elements so that we don't leak
+ del self.elements
# Interface -- translate references
def translate_references(self, data, all = 1):
@@ -179,7 +187,7 @@ class XMLParser:
data = pre + self.entitydefs[str] + post
i = res.start(0) # rescan substituted text
else:
- self.syntax_error('reference to unknown entity')
+ self.syntax_error("reference to unknown entity `&%s;'" % str)
# can't do it, so keep the entity ref in
data = pre + '&' + str + ';' + post
i = res.start(0) + len(str) + 2
@@ -327,7 +335,7 @@ class XMLParser:
n = len(rawdata)
i = res.start(0)
else:
- self.syntax_error('reference to unknown entity')
+ self.syntax_error("reference to unknown entity `&%s;'" % name)
self.unknown_entityref(name)
self.lineno = self.lineno + string.count(res.group(0), '\n')
continue