MSVSphere Packaging Team
9 months ago
commit
8a9e598918
@ -0,0 +1 @@
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SOURCES/lxml-4.9.2-no-isoschematron-rng.tar.gz
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@ -0,0 +1 @@
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f1e11c2749a48d710b9113eccd67e1bda9a21a39 SOURCES/lxml-4.9.2-no-isoschematron-rng.tar.gz
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@ -0,0 +1,24 @@
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From d18f2f22218ea0e0b5327b5a2bda789afdf16e41 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
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Date: Fri, 14 Jul 2023 12:18:25 +0200
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Subject: [PATCH] Skip test_isoschematron.test_schematron_invalid_schema_empty
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without the RNG file
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The expected SchematronParseError only happens when validate_schema is true.
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---
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src/lxml/tests/test_isoschematron.py | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/src/lxml/tests/test_isoschematron.py b/src/lxml/tests/test_isoschematron.py
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index 6d2aa3fb6..900f257c3 100644
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--- a/src/lxml/tests/test_isoschematron.py
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+++ b/src/lxml/tests/test_isoschematron.py
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@@ -55,6 +55,8 @@ def test_schematron_empty_pattern(self):
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schema = isoschematron.Schematron(schema)
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self.assertTrue(schema)
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+ @unittest.skipIf(not isoschematron.schematron_schema_valid_supported,
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+ 'SchematronParseError is risen only when validate_schema is true')
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def test_schematron_invalid_schema_empty(self):
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schema = self.parse('''\
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<schema xmlns="http://purl.oclc.org/dsdl/schematron" />
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@ -0,0 +1,116 @@
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From 4ac96ce046e9f58141bd66639ba8cb1fad9deefb Mon Sep 17 00:00:00 2001
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From: Stefan Behnel <stefan_ml@behnel.de>
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Date: Wed, 12 Jul 2023 16:59:07 +0200
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Subject: [PATCH] Make the validation of ISO-Schematron files optional in lxml,
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depending on the availability of the RNG validation file. Some lxml
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distributions discard the validation schema file due to licensing issues.
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See https://bugs.launchpad.net/lxml/+bug/2024343
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---
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CHANGES.txt | 11 +++++++++++
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doc/validation.txt | 9 +++++++++
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src/lxml/isoschematron/__init__.py | 24 +++++++++++++++++++-----
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3 files changed, 39 insertions(+), 5 deletions(-)
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diff --git a/CHANGES.txt b/CHANGES.txt
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index c684ad5..40e32cd 100644
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--- a/CHANGES.txt
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+++ b/CHANGES.txt
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@@ -2,6 +2,17 @@
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lxml changelog
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==============
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+4.9.2+
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+======
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+
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+* LP#2024343: The validation of the schema file itself is now optional in the
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+ ISO-Schematron implementation. This was done because some lxml distributions
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+ discard the RNG validation schema file due to licensing issues. The validation
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+ can now always be disabled with ``Schematron(..., validate_schema=False)``.
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+ It is enabled by default if available and disabled otherwise. The module
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+ constant ``lxml.isoschematron.schematron_schema_valid_supported`` can be used
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+ to detect whether schema file validation is available.
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+
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4.9.2 (2022-12-13)
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==================
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diff --git a/doc/validation.txt b/doc/validation.txt
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index af9d007..27c0ccd 100644
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--- a/doc/validation.txt
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+++ b/doc/validation.txt
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@@ -615,6 +615,15 @@ The usage of validation phases is a unique feature of ISO-Schematron and can be
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a very powerful tool e.g. for establishing validation stages or to provide
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different validators for different "validation audiences".
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+Note: Some lxml distributions exclude the validation schema file due to licensing issues.
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+Since lxml 4.9.2-8, the validation of the user provided schema can be disabled with
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+``Schematron(..., validate_schema=False)``.
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+It is enabled by default if available and disabled otherwise. Previous versions of
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+lxml always had it enabled and failed at import time if the file was not available.
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+Thus, some distributions chose to remove the entire ISO-Schematron support.
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+The module constant ``lxml.isoschematron.schematron_schema_valid_supported`` can be used
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+since lxml 4.9.2-8 to detect whether schema file validation is available.
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+
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(Pre-ISO-Schematron)
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--------------------
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diff --git a/src/lxml/isoschematron/__init__.py b/src/lxml/isoschematron/__init__.py
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index 5967b10..2846a66 100644
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--- a/src/lxml/isoschematron/__init__.py
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+++ b/src/lxml/isoschematron/__init__.py
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@@ -61,10 +61,16 @@ iso_svrl_for_xslt1 = _etree.XSLT(_etree.parse(
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svrl_validation_errors = _etree.XPath(
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'//svrl:failed-assert', namespaces={'svrl': SVRL_NS})
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-
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# RelaxNG validator for schematron schemas
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-schematron_schema_valid = _etree.RelaxNG(
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- file=os.path.join(_resources_dir, 'rng', 'iso-schematron.rng'))
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+schematron_schema_valid_supported = False
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+try:
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+ schematron_schema_valid = _etree.RelaxNG(
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+ file=os.path.join(_resources_dir, 'rng', 'iso-schematron.rng'))
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+ schematron_schema_valid_supported = True
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+except _etree.RelaxNGParseError:
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+ # Some distributions delete the file due to licensing issues.
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+ def schematron_schema_valid(arg):
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+ raise NotImplementedError("Validating the ISO schematron requires iso-schematron.rng")
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def stylesheet_params(**kwargs):
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@@ -153,6 +159,13 @@ class Schematron(_etree._Validator):
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report document gets stored and can be accessed as the ``validation_report``
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property.
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+ If ``validate_schema`` is set to False, the validation of the schema file
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+ itself is disabled. Validation happens by default after building the full
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+ schema, unless the schema validation file cannot be found at import time,
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+ in which case the validation gets disabled. Some lxml distributions exclude
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+ this file due to licensing issues. ISO-Schematron validation can then still
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+ be used normally, but the schemas themselves cannot be validated.
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+
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Here is a usage example::
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>>> from lxml import etree
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@@ -234,7 +247,8 @@ class Schematron(_etree._Validator):
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def __init__(self, etree=None, file=None, include=True, expand=True,
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include_params={}, expand_params={}, compile_params={},
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store_schematron=False, store_xslt=False, store_report=False,
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- phase=None, error_finder=ASSERTS_ONLY):
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+ phase=None, error_finder=ASSERTS_ONLY,
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+ validate_schema=schematron_schema_valid_supported):
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super(Schematron, self).__init__()
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self._store_report = store_report
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@@ -273,7 +287,7 @@ class Schematron(_etree._Validator):
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schematron = self._include(schematron, **include_params)
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if expand:
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schematron = self._expand(schematron, **expand_params)
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- if not schematron_schema_valid(schematron):
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+ if validate_schema and not schematron_schema_valid(schematron):
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raise _etree.SchematronParseError(
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"invalid schematron schema: %s" %
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schematron_schema_valid.error_log)
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--
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2.40.1
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@ -0,0 +1,28 @@
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#! /bin/bash -ex
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# Download a release of lxml (if missing) and remove the isoschematron module from it
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version=$1
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if [ -z "${version}" ]; then
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echo "Usage: $0 VERSION" >& 2
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echo "" >& 2
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echo "example: $0 4.9.2" >& 2
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exit 1
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fi
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versionedname=lxml-${version}
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orig_archive=${versionedname}.tar.gz
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new_archive=${versionedname}-no-isoschematron-rng.tar.gz
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if [ ! -e ${orig_archive} ]; then
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wget -N https://files.pythonhosted.org/packages/source/l/lxml/${orig_archive}
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fi
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deleted_directory=lxml-${version}/src/lxml/isoschematron/resources/rng
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# tar --delete does not operate on compressed archives, so do
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# gz decompression explicitly
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gzip --decompress ${orig_archive}
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tar -v --delete -f ${orig_archive//.gz} ${deleted_directory}
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gzip -cf ${orig_archive//.gz} > ${new_archive}
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%global __python3 /usr/bin/python3.11
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%global python3_pkgversion 3.11
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Name: python%{python3_pkgversion}-lxml
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Version: 4.9.2
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Release: 4%{?dist}
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Summary: XML processing library combining libxml2/libxslt with the ElementTree API
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# The lxml project is licensed under BSD-3-Clause
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# Some code is derived from ElementTree and cElementTree
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# thus using the MIT-CMU elementtree license
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# .xsl schematron files are under the MIT license
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License: BSD and MIT
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URL: https://github.com/lxml/lxml
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# We use the get-lxml-source.sh script to generate the tarball
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# without the isoschematron RNG validation file under a problematic license.
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# See: https://gitlab.com/fedora/legal/fedora-license-data/-/issues/154
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Source0: lxml-%{version}-no-isoschematron-rng.tar.gz
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Source1: get-lxml-source.sh
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# Make the validation of ISO-Schematron files optional in lxml,
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# depending on the availability of the RNG validation file
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# Rebased from https://github.com/lxml/lxml/commit/4bfab2c821961fb4c5ed8a04e329778c9b09a1df
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# Will be included in lxml 5.0
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Patch1: Make-the-validation-of-ISO-Schematron-files-optional.patch
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# Skip test_isoschematron.test_schematron_invalid_schema_empty without the RNG file
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Patch2: https://github.com/lxml/lxml/pull/380.patch
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BuildRequires: gcc
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BuildRequires: libxml2-devel
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BuildRequires: libxslt-devel
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BuildRequires: python%{python3_pkgversion}-devel
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BuildRequires: python%{python3_pkgversion}-rpm-macros
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BuildRequires: python%{python3_pkgversion}-setuptools
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BuildRequires: python%{python3_pkgversion}-Cython
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%global _description \
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lxml is a Pythonic, mature binding for the libxml2 and libxslt libraries. It\
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provides safe and convenient access to these libraries using the ElementTree It\
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extends the ElementTree API significantly to offer support for XPath, RelaxNG,\
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XML Schema, XSLT, C14N and much more.
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%description %{_description}
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%prep
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%autosetup -n lxml-%{version} -p1
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# Remove pregenerated Cython C sources
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# We need to do this after %%pyproject_buildrequires because setup.py errors
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# without Cython and without the .c files.
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find -type f -name '*.c' -print -delete >&2
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%build
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env WITH_CYTHON=true %py3_build
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%install
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%py3_install
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%check
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# The tests assume inplace build, so we copy the built library to source-dir.
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# If not done that, Python can either import the tests or the extension modules, but not both.
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cp -a build/lib.%{python3_platform}-*/* src/
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# The options are: verbose, unit, functional
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%{python3} test.py -vuf
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%files -n python%{python3_pkgversion}-lxml
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%license doc/licenses/BSD.txt doc/licenses/elementtree.txt
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%doc README.rst
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%{python3_sitearch}/lxml/
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%{python3_sitearch}/lxml-*.egg-info/
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%changelog
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* Fri Mar 29 2024 MSVSphere Packaging Team <packager@msvsphere-os.ru> - 4.9.2-4
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- Rebuilt for MSVSphere 8.10 beta
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* Tue Aug 15 2023 Tomas Orsava <torsava@redhat.com> - 4.9.2-4
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- Bring back the isoschematron submodule,
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but without the validation of the schema file itself
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- Resolves: RHEL-5569
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* Thu Feb 16 2023 Charalampos Stratakis <cstratak@redhat.com> - 4.9.2-3
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- Remove the isoschematron submodule
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* Fri Feb 10 2023 Charalampos Stratakis <cstratak@redhat.com> - 4.9.2-2
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- Bump release
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* Mon Nov 14 2022 Charalampos Stratakis <cstratak@redhat.com> - 4.9.2-1
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- Initial package
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- Fedora contributions by:
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Alexander Todorov <atodorov@redhat.com>
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Bill Nottingham <notting@fedoraproject.org>
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Charalampos Stratakis <cstratak@redhat.com>
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Dan Horák <dan@danny.cz>
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David Malcolm <dmalcolm@redhat.com>
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Dennis Gilmore <dennis@ausil.us>
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Fabio Alessandro Locati <fale@redhat.com>
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Igor Raits <ignatenkobrain@fedoraproject.org>
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Jason ティビツ <tibbs@fedoraproject.org>
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Jeffrey C. Ollie <jcollie@fedoraproject.org>
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Jesse Keating <jkeating@fedoraproject.org>
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Kevin Fenzi <kevin@scrye.com>
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Lumir Balhar <lbalhar@redhat.com>
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Mikolaj Izdebski <mizdebsk@redhat.com>
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Miro Hrončok <miro@hroncok.cz>
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Peter Robinson <pbrobinson@gmail.com>
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Robert Kuska <rkuska@redhat.com>
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Shahms King <shahms@fedoraproject.org>
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Slavek Kabrda <bkabrda@redhat.com>
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tomspur <tomspur@fedoraproject.org>
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Ville Skyttä <scop@fedoraproject.org>
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||||
Loading…
Reference in new issue