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The Python extension module now uses Py_ssize_t rather than int for
string lengths. This change makes the extension compatible with
Python 3.10.
Fixes#203.
In C, if expressions should be parenthesized.
PyLong_Check, PyUnicode_Check etc. happened to expand to a parenthesized
expression before, but that's not API to rely on.
Since Python 3.9.0a4 it needs to be parenthesized explicitly.
Fixes https://gitlab.gnome.org/GNOME/libxml2/issues/149
Added all test cases that have a non-empty error in result/valid/*.xml.err
Restructured to make it easier extensible with new test cases
Added coding cookie because there is non-ASCII in the error messages
OS/400 version V5R3 is not supported by IBM anymore.
In addition, the iSeries system I have here for development has been changed
and the new system is not able to compile for an OS version lower than V6R1.
Thus I made some updates to the libxml2 os400 scripts accordingly:
- Oldest supported OS version is now V6R1.
- Adjust ILE/RPG wrappers comments.
- Update copyright year range.
- Do not log compiler informational messages.
For https://bugzilla.gnome.org/show_bug.cgi?id=734017
Solaris has had libxml2 version 2.9.1 for a while, with Python versions 2.6 and
2.7. While preparing to also build a module for Python 3.4, we ran into an
issue with the test case sync.py failing. The failure involved parsing a
string that included a Python dictionary, then complaining when the order of
the parsed result did not match the original order. But Python dictionaries
are unordered by definition; see section 5.5 of
https://docs.python.org/2/tutorial/datastructures.html . For whatever reason,
Python 2.6 and 2.7 always happened to report the pair of values back in their
original order, but with Python 3.4 the order is random. The attached patch
allows for either order; it also fixes a typo that was repeated several times
thanks to the magic of copy & paste.
xmlCoreDepthFirstItertor and xmlCoreBreadthFirstItertr only
implement a python2-compatible iterator interface. The next()
method has been changed to __next__(). An alias has been
defined to keep python2 compatibility.
while still compiling on recent Python2:
- change the handling of files, tweak the generator, get the fd
instead of the FILE *, dup it and fdopen based on mode, add a
Release function on Python3 and call to flush from the generated
python stubs
- switch to using Capsules instead of CObjects
- fix PyString to PyBytes
- fix PyInt to PyLong
- tweak the module registration to compile on both versions
- drop PyInstance check for passed xmlNodes and instead check
attributes presence
Daniel
1. Setting entity loader does not increment the refcount on the Python object
passed in. This works only if the object is not deleted. For example, the
following code results in segmentation fault in Python interpreter when
attempting to process any document:
[[[
def register_entity_loader():
def entity_loader(URL, ID, ctxt):
...
libxml2.setEntityLoader(entity_loader
register_entity_loader()
]]]
2. setEntityLoader() does not verify if the passed object is callable. If it
is not, current implementation attempts to call it anyway and failing that,
silently moves on to default entity loader. Attached patch makes
setEntityLoader raise ValueError exception if non-callable object is
passed.
3. In debug mode, pythonExternalEntityLoader() outputs the result object to
stderr, while the messages before and after the object (description + newline)
go to stdout. Attached patch makes them all go to stdout.
It is possible to make xmlIO handle any protocol by means of
xmlRegisterInputCallback(). However, that function is currently only
available in C API. So, the natural solution seems to be implementing Python
bindings for the xmlRegisterInputCallback.
* python/generator.py: skip xmlPopInputCallbacks
* python/libxml.c python/libxml.py python/libxml_wrap.h: implement the
wrappers
* python/tests/input_callback.py python/tests/Makefile.am: also add a test case
I noticed another issue with Python bindings of libxml: the access methods do
not cast the pointers to specific classes such as xmlDtd, xmlEntityDecl, etc.
For example, with the following document:
<?xml version="1.0"?>
<!DOCTYPE root [<!ELEMENT root EMPTY>]>
<root/>
the following script:
import libxml2
doc = libxml2.readFile("c.xml", None, libxml2.XML_PARSE_DTDLOAD)
print repr(doc.children)
prints:
<xmlNode (root) object at 0xb74963ec>
With properly cast nodes, it outputs the following:
<xmlDtd (root) object at 0xb746352c>
The latter object (xmlDtd) enables one to use DTD-specific methods such as
debugDumpDTD(), copyDTD(), and so on.
