add XMLSEC_NO_XSLT check

Signed-off-by: oleg.hoefling <oleg.hoefling@gmail.com>

Author: hoefling

src/constants.c

@@ -485,7 +485,6 @@ int PyXmlSec_ConstantsModule_Init(PyObject* package) {
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformXPath, "XPATH");
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformXPath2, "XPATH2");
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformXPointer, "XPOINTER");
-    PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformXslt, "XSLT");
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformRemoveXmlTagsC14N, "REMOVE_XML_TAGS_C14N");
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformVisa3DHack, "VISA3D_HACK");
 
@@ -502,6 +501,9 @@ int PyXmlSec_ConstantsModule_Init(PyObject* package) {
 #ifndef XMLSEC_NO_DSA
     PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformDsaSha1, "DSA_SHA1");
 #endif
+#ifndef XMLSEC_NO_XSLT
+    PYXMLSEC_ADD_TRANSFORM_CONSTANT(TransformXslt, "XSLT");
+#endif
 
 #if XMLSEC_VERSION_HEX > 0x10212
     // from version 1.2.19

tests/test_ds.py

@@ -1,3 +1,4 @@
+import unittest
 import xmlsec
 from tests import base
 
@@ -194,6 +195,7 @@ def test_sign_binary_no_key(self):
         with self.assertRaisesRegex(xmlsec.Error, 'Sign key is not specified.'):
             ctx.sign_binary(bytes=b'', transform=consts.TransformRsaSha1)
 
+    @unittest.skipIf(not hasattr(consts, 'TransformXslt'), reason='XSLT transformations not enabled')
     def test_sign_binary_invalid_signature_method(self):
         ctx = xmlsec.SignatureContext()
         ctx.key = xmlsec.Key.from_file(self.path("rsakey.pem"), format=consts.KeyDataFormatPem)

tests/test_templates.py

@@ -1,3 +1,4 @@
+import unittest
 from lxml import etree
 
 import xmlsec
@@ -195,6 +196,7 @@ def test_encrypted_data_ensure_key_info_bad_args(self):
         with self.assertRaises(TypeError):
             xmlsec.template.encrypted_data_ensure_key_info('')
 
+    @unittest.skipIf(not hasattr(consts, 'TransformXslt'), reason='XSLT transformations not enabled')
     def test_transform_add_c14n_inclusive_namespaces(self):
         root = self.load_xml("doc.xml")
         sign = xmlsec.template.create(root, c14n_method=consts.TransformExclC14N, sign_method=consts.TransformRsaSha1)