libxml2: Update to 2.15.3

libxml2, py-libxml2: Update to 2.15.3

python/py-libxml2/Portfile

@@ -6,11 +6,11 @@ PortGroup           python 1.0
 # Please keep the version of the libxml2 and py-libxml2 ports the same.
 
 name                py-libxml2
-version             2.15.2
+version             2.15.3
 revision            0
-checksums           rmd160  7946932ae4479ae4865f0c0b954587daddd9a1aa \
-                    sha256  c8b9bc81f8b590c33af8cc6c336dbff2f53409973588a351c95f1c621b13d09d \
-                    size    3148720
+checksums           rmd160  f5a7b99dcedafe78055942d6e3f6dd2b3ab8dc32 \
+                    sha256  78262a6e7ac170d6528ebfe2efccdf220191a5af6a6cd61ea4a9a9a5042c7a07 \
+                    size    3152452
 
 set branch          [join [lrange [split ${version} .] 0 1] .]
 categories-append   textproc
@@ -50,11 +50,6 @@ if {${name} ne ${subport}} {
 
     patchfiles      patch-setup.py.diff
 
-    if {${python.version} == 27} {
-        patchfiles-append \
-                    python2.patch
-    }
-
     post-patch {
         reinplace "s|@LIBXML_VERSION@|${version}|g;s|@prefix@|${prefix}|g" ${worksrcpath}/setup.py
     }

python/py-libxml2/files/python2.patch

@@ -1,61 +0,0 @@
-Restore Python 2 compatibility in Python bindings.
-
-Fixes:
-
-failed to find and generate stubs for libxml2, aborting ...
-(<type 'exceptions.SyntaxError'>, SyntaxError('invalid syntax', ('/opt/local/var/macports/build/py27-libxml2-116ed89d/work/libxml2-2.15.2/python/generator.py', 360, 61, "        raise Exception(f'Doxygen XML not found in {dstPref}')\n")))
-
-failed to find and generate stubs for libxml2, aborting ...
-(<type 'exceptions.LookupError'>, LookupError('unknown encoding: unicode',))
-
-This patch was created with the awk and sed scripts posted here:
-
-https://trac.macports.org/ticket/73605#comment:11
---- generator.py.orig	2026-03-04 03:38:57.000000000 -0600
-+++ generator.py	2026-03-28 10:11:33.000000000 -0500
-@@ -357,7 +357,7 @@
- if not os.path.isdir(xmlDocDir):
-     xmlDocDir = dstPref + '/doc/xml'
-     if not os.path.isdir(xmlDocDir):
--        raise Exception(f'Doxygen XML not found in {dstPref}')
-+        raise Exception('Doxygen XML not found in %s' % dstPref)
- 
- def extractDocs(node):
-     text = ''
-@@ -416,13 +416,13 @@
-                 docs = extractDocs(func.find('detaileddescription'))
- 
-                 rtype = etree.tostring(func.find('type'),
--                    method='text', encoding='unicode').rstrip()
-+                    method='text', encoding='utf-8').rstrip()
- 
-                 valid = True
-                 args = []
-                 for arg in func.findall('param'):
-                     atype = etree.tostring(arg.find('type'),
--                        method='text', encoding='unicode').rstrip()
-+                        method='text', encoding='utf-8').rstrip()
-                     if atype == 'void':
-                         continue
- 
-@@ -440,9 +440,9 @@
- 
-                 cond = None
-                 if module1 != '':
--                    cond = f'defined(LIBXML_{module1}_ENABLED)'
-+                    cond = 'defined(LIBXML_%s_ENABLED)' % module1
-                 if module2 != '':
--                    cond += f' && defined(LIBXML_{module2}_ENABLED)'
-+                    cond += ' && defined(LIBXML_%s_ENABLED)' % module2
- 
-                 functions[name] = (docs, [rtype], args, module, cond)
-         elif kind == 'enum':
-@@ -461,7 +461,7 @@
-                     else:
-                         evalue = init.text.lstrip()
-                         if evalue[0] != '=':
--                            raise Exception(f'invalid init value {init}')
-+                            raise Exception('invalid init value %s' % init)
-                         evalue = eval(evalue[1:].strip())
- 
-                     edict[ename] = evalue

textproc/libxml2/Portfile

@@ -6,11 +6,11 @@ PortGroup           clang_dependency 1.0
 # Please keep the version of the libxml2 and py-libxml2 ports the same.
 
 name                libxml2
-version             2.15.2
-revision            1
-checksums           rmd160  7946932ae4479ae4865f0c0b954587daddd9a1aa \
-                    sha256  c8b9bc81f8b590c33af8cc6c336dbff2f53409973588a351c95f1c621b13d09d \
-                    size    3148720
+version             2.15.3
+revision            0
+checksums           rmd160  f5a7b99dcedafe78055942d6e3f6dd2b3ab8dc32 \
+                    sha256  78262a6e7ac170d6528ebfe2efccdf220191a5af6a6cd61ea4a9a9a5042c7a07 \
+                    size    3152452
 
 set branch          [join [lrange [split ${version} .] 0 1] .]
 categories          textproc