FM / lxml

/opt/cloudlinux/venv/lib/python3.11/site-packages/lxml/

/opt/cloudlinux/venv/lib/python3.11/site-packages/lxml

Name	Size	Mode	Actions
html/	-	0755	rm
includes/	-	0755	rm
isoschematron/	-	0755	rm
__pycache__/	-	0755	rm
apihelpers.pxi	64452	0644	edit dl rm
builder.cpython-311-x86_64-linux-gnu.so	123624	0755	edit dl rm
builder.py	8147	0644	edit dl rm
classlookup.pxi	22462	0644	edit dl rm
cleanup.pxi	8458	0644	edit dl rm
cssselect.py	3366	0644	edit dl rm
debug.pxi	3283	0644	edit dl rm
docloader.pxi	5783	0644	edit dl rm
doctestcompare.py	18339	0644	edit dl rm
dtd.pxi	15219	0644	edit dl rm
ElementInclude.py	8560	0644	edit dl rm
etree.cpython-311-x86_64-linux-gnu.so	5797240	0755	edit dl rm
etree.h	8575	0644	edit dl rm
etree.pyx	132415	0644	edit dl rm
etree_api.h	17467	0644	edit dl rm
extensions.pxi	33241	0644	edit dl rm
iterparse.pxi	16607	0644	edit dl rm
lxml.etree.h	8575	0644	edit dl rm
lxml.etree_api.h	17472	0644	edit dl rm
nsclasses.pxi	9145	0644	edit dl rm
objectify.cpython-311-x86_64-linux-gnu.so	3351520	0755	edit dl rm
objectify.pyx	77100	0644	edit dl rm
objectpath.pxi	11479	0644	edit dl rm
parser.pxi	78247	0644	edit dl rm
parsertarget.pxi	6859	0644	edit dl rm
proxy.pxi	23562	0644	edit dl rm
public-api.pxi	6660	0644	edit dl rm
pyclasslookup.py	92	0644	edit dl rm
readonlytree.pxi	19048	0644	edit dl rm
relaxng.pxi	6085	0644	edit dl rm
sax.cpython-311-x86_64-linux-gnu.so	201680	0755	edit dl rm
sax.py	9396	0644	edit dl rm
saxparser.pxi	32542	0644	edit dl rm
schematron.pxi	5782	0644	edit dl rm
serializer.pxi	67999	0644	edit dl rm
usedoctest.py	230	0644	edit dl rm
xinclude.pxi	2460	0644	edit dl rm
xmlerror.pxi	49531	0644	edit dl rm
xmlid.pxi	6064	0644	edit dl rm
xmlschema.pxi	8079	0644	edit dl rm
xpath.pxi	19571	0644	edit dl rm
xslt.pxi	36694	0644	edit dl rm
xsltext.pxi	11085	0644	edit dl rm
_elementpath.cpython-311-x86_64-linux-gnu.so	230680	0755	edit dl rm
_elementpath.py	10742	0644	edit dl rm
__init__.py	575	0644	edit dl rm

Edit: /opt/cloudlinux/venv/lib/python3.11/site-packages/lxml/dtd.pxi (15219B)

# support for DTD validation
from lxml.includes cimport dtdvalid

cdef class DTDError(LxmlError):
    """Base class for DTD errors.
    """

cdef class DTDParseError(DTDError):
    """Error while parsing a DTD.
    """

cdef class DTDValidateError(DTDError):
    """Error while validating an XML document with a DTD.
    """

cdef inline int _assertValidDTDNode(node, void *c_node) except -1:
    assert c_node is not NULL, u"invalid DTD proxy at %s" % id(node)

@cython.final
@cython.internal
@cython.freelist(8)
cdef class _DTDElementContentDecl:
    cdef DTD _dtd
    cdef tree.xmlElementContent* _c_node

def __repr__(self):
        return "<%s.%s object name=%r type=%r occur=%r at 0x%x>" % (self.__class__.__module__, self.__class__.__name__, self.name, self.type, self.occur, id(self))

@property
    def name(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.name)

@property
    def type(self):
       _assertValidDTDNode(self, self._c_node)
       cdef int type = self._c_node.type
       if type == tree.XML_ELEMENT_CONTENT_PCDATA:
           return "pcdata"
       elif type == tree.XML_ELEMENT_CONTENT_ELEMENT:
           return "element"
       elif type == tree.XML_ELEMENT_CONTENT_SEQ:
           return "seq"
       elif type == tree.XML_ELEMENT_CONTENT_OR:
           return "or"
       else:
           return None

@property
    def occur(self):
       _assertValidDTDNode(self, self._c_node)
       cdef int occur = self._c_node.ocur
       if occur == tree.XML_ELEMENT_CONTENT_ONCE:
           return "once"
       elif occur == tree.XML_ELEMENT_CONTENT_OPT:
           return "opt"
       elif occur == tree.XML_ELEMENT_CONTENT_MULT:
           return "mult"
       elif occur == tree.XML_ELEMENT_CONTENT_PLUS:
           return "plus"
       else:
           return None

@property
    def left(self):
       _assertValidDTDNode(self, self._c_node)
       c1 = self._c_node.c1
       if c1:
           node = <_DTDElementContentDecl>_DTDElementContentDecl.__new__(_DTDElementContentDecl)
           node._dtd = self._dtd
           node._c_node = <tree.xmlElementContent*>c1
           return node
       else:
           return None

@property
    def right(self):
       _assertValidDTDNode(self, self._c_node)
       c2 = self._c_node.c2
       if c2:
           node = <_DTDElementContentDecl>_DTDElementContentDecl.__new__(_DTDElementContentDecl)
           node._dtd = self._dtd
           node._c_node = <tree.xmlElementContent*>c2
           return node
       else:
           return None

@cython.final
@cython.internal
@cython.freelist(8)
cdef class _DTDAttributeDecl:
    cdef DTD _dtd
    cdef tree.xmlAttribute* _c_node

def __repr__(self):
        return "<%s.%s object name=%r elemname=%r prefix=%r type=%r default=%r default_value=%r at 0x%x>" % (self.__class__.__module__, self.__class__.__name__, self.name, self.elemname, self.prefix, self.type, self.default, self.default_value, id(self))

@property
    def name(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.name)

@property
    def elemname(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.elem)

@property
    def prefix(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.prefix)

@property
    def type(self):
       _assertValidDTDNode(self, self._c_node)
       cdef int type = self._c_node.atype
       if type == tree.XML_ATTRIBUTE_CDATA:
           return "cdata"
       elif type == tree.XML_ATTRIBUTE_ID:
           return "id"
       elif type == tree.XML_ATTRIBUTE_IDREF:
           return "idref"
       elif type == tree.XML_ATTRIBUTE_IDREFS:
           return "idrefs"
       elif type == tree.XML_ATTRIBUTE_ENTITY:
           return "entity"
       elif type == tree.XML_ATTRIBUTE_ENTITIES:
           return "entities"
       elif type == tree.XML_ATTRIBUTE_NMTOKEN:
           return "nmtoken"
       elif type == tree.XML_ATTRIBUTE_NMTOKENS:
           return "nmtokens"
       elif type == tree.XML_ATTRIBUTE_ENUMERATION:
           return "enumeration"
       elif type == tree.XML_ATTRIBUTE_NOTATION:
           return "notation"
       else:
           return None

@property
    def default(self):
       _assertValidDTDNode(self, self._c_node)
       cdef int default = self._c_node.def_
       if default == tree.XML_ATTRIBUTE_NONE:
           return "none"
       elif default == tree.XML_ATTRIBUTE_REQUIRED:
           return "required"
       elif default == tree.XML_ATTRIBUTE_IMPLIED:
           return "implied"
       elif default == tree.XML_ATTRIBUTE_FIXED:
           return "fixed"
       else:
           return None

@property
    def default_value(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.defaultValue)

def itervalues(self):
        _assertValidDTDNode(self, self._c_node)
        cdef tree.xmlEnumeration *c_node = self._c_node.tree
        while c_node is not NULL:
            yield funicode(c_node.name)
            c_node = c_node.next

def values(self):
        return list(self.itervalues())

@cython.final
@cython.internal
@cython.freelist(8)
cdef class _DTDElementDecl:
    cdef DTD _dtd
    cdef tree.xmlElement* _c_node

def __repr__(self):
        return "<%s.%s object name=%r prefix=%r type=%r at 0x%x>" % (self.__class__.__module__, self.__class__.__name__, self.name, self.prefix, self.type, id(self))

@property
    def name(self):
        _assertValidDTDNode(self, self._c_node)
        return funicodeOrNone(self._c_node.name)

@property
    def prefix(self):
       _assertValidDTDNode(self, self._c_node)
       return funicodeOrNone(self._c_node.prefix)

@property
    def type(self):
       _assertValidDTDNode(self, self._c_node)
       cdef int type = self._c_node.etype
       if type == tree.XML_ELEMENT_TYPE_UNDEFINED:
           return "undefined"
       elif type == tree.XML_ELEMENT_TYPE_EMPTY:
           return "empty"
       elif type == tree.XML_ELEMENT_TYPE_ANY:
           return "any"
       elif type == tree.XML_ELEMENT_TYPE_MIXED:
           return "mixed"
       elif type == tree.XML_ELEMENT_TYPE_ELEMENT:
           return "element"
       else:
           return None

@property
    def content(self):
       _assertValidDTDNode(self, self._c_node)
       cdef tree.xmlElementContent *content = self._c_node.content
       if content:
           node = <_DTDElementContentDecl>_DTDElementContentDecl.__new__(_DTDElementContentDecl)
           node._dtd = self._dtd
           node._c_node = content
           return node
       else:
           return None

def iterattributes(self):
        _assertValidDTDNode(self, self._c_node)
        cdef tree.xmlAttribute *c_node = self._c_node.attributes
        while c_node:
            node = <_DTDAttributeDecl>_DTDAttributeDecl.__new__(_DTDAttributeDecl)
            node._dtd = self._dtd
            node._c_node = c_node
            yield node
            c_node = c_node.nexth

def attributes(self):
        return list(self.iterattributes())

@cython.final
@cython.internal
@cython.freelist(8)
cdef class _DTDEntityDecl:
    cdef DTD _dtd
    cdef tree.xmlEntity* _c_node
    def __repr__(self):
        return "<%s.%s object name=%r at 0x%x>" % (self.__class__.__module__, self.__class__.__name__, self.name, id(self))

@property
    def name(self):
        _assertValidDTDNode(self, self._c_node)
        return funicodeOrNone(self._c_node.name)

@property
    def orig(self):
        _assertValidDTDNode(self, self._c_node)
        return funicodeOrNone(self._c_node.orig)

@property
    def content(self):
        _assertValidDTDNode(self, self._c_node)
        return funicodeOrNone(self._c_node.content)

@property
    def system_url(self):
        _assertValidDTDNode(self, self._c_node)
        return funicodeOrNone(self._c_node.SystemID)

################################################################################
# DTD

cdef class DTD(_Validator):
    u"""DTD(self, file=None, external_id=None)
    A DTD validator.

Can load from filesystem directly given a filename or file-like object.
    Alternatively, pass the keyword parameter ``external_id`` to load from a
    catalog.
    """
    cdef tree.xmlDtd* _c_dtd
    def __init__(self, file=None, *, external_id=None):
        _Validator.__init__(self)
        if file is not None:
            file = _getFSPathOrObject(file)
            if _isString(file):
                file = _encodeFilename(file)
                with self._error_log:
                    orig_loader = _register_document_loader()
                    self._c_dtd = xmlparser.xmlParseDTD(NULL, _xcstr(file))
                    _reset_document_loader(orig_loader)
            elif hasattr(file, 'read'):
                orig_loader = _register_document_loader()
                self._c_dtd = _parseDtdFromFilelike(file)
                _reset_document_loader(orig_loader)
            else:
                raise DTDParseError, u"file must be a filename, file-like or path-like object"
        elif external_id is not None:
            with self._error_log:
                orig_loader = _register_document_loader()
                self._c_dtd = xmlparser.xmlParseDTD(<const_xmlChar*>external_id, NULL)
                _reset_document_loader(orig_loader)
        else:
            raise DTDParseError, u"either filename or external ID required"

if self._c_dtd is NULL:
            raise DTDParseError(
                self._error_log._buildExceptionMessage(u"error parsing DTD"),
                self._error_log)

@property
    def name(self):
       if self._c_dtd is NULL:
           return None
       return funicodeOrNone(self._c_dtd.name)

@property
    def external_id(self):
       if self._c_dtd is NULL:
           return None
       return funicodeOrNone(self._c_dtd.ExternalID)

@property
    def system_url(self):
       if self._c_dtd is NULL:
           return None
       return funicodeOrNone(self._c_dtd.SystemID)

def iterelements(self):
        cdef tree.xmlNode *c_node = self._c_dtd.children if self._c_dtd is not NULL else NULL
        while c_node is not NULL:
            if c_node.type == tree.XML_ELEMENT_DECL:
                node = _DTDElementDecl()
                node._dtd = self
                node._c_node = <tree.xmlElement*>c_node
                yield node
            c_node = c_node.next

def elements(self):
        return list(self.iterelements())

def iterentities(self):
        cdef tree.xmlNode *c_node = self._c_dtd.children if self._c_dtd is not NULL else NULL
        while c_node is not NULL:
            if c_node.type == tree.XML_ENTITY_DECL:
                node = _DTDEntityDecl()
                node._dtd = self
                node._c_node = <tree.xmlEntity*>c_node
                yield node
            c_node = c_node.next

def entities(self):
        return list(self.iterentities())

def __dealloc__(self):
        tree.xmlFreeDtd(self._c_dtd)

def __call__(self, etree):
        u"""__call__(self, etree)

Validate doc using the DTD.

Returns true if the document is valid, false if not.
        """
        cdef _Document doc
        cdef _Element root_node
        cdef xmlDoc* c_doc
        cdef dtdvalid.xmlValidCtxt* valid_ctxt
        cdef int ret = -1

assert self._c_dtd is not NULL, "DTD not initialised"
        doc = _documentOrRaise(etree)
        root_node = _rootNodeOrRaise(etree)

valid_ctxt = dtdvalid.xmlNewValidCtxt()
        if valid_ctxt is NULL:
            raise DTDError(u"Failed to create validation context")

# work around error reporting bug in libxml2 <= 2.9.1 (and later?)
        # https://bugzilla.gnome.org/show_bug.cgi?id=724903
        valid_ctxt.error = <dtdvalid.xmlValidityErrorFunc>_nullGenericErrorFunc
        valid_ctxt.userData = NULL

try:
            with self._error_log:
                c_doc = _fakeRootDoc(doc._c_doc, root_node._c_node)
                ret = dtdvalid.xmlValidateDtd(valid_ctxt, c_doc, self._c_dtd)
                _destroyFakeDoc(doc._c_doc, c_doc)
        finally:
            dtdvalid.xmlFreeValidCtxt(valid_ctxt)

if ret == -1:
            raise DTDValidateError(u"Internal error in DTD validation",
                                   self._error_log)
        return ret == 1

cdef tree.xmlDtd* _parseDtdFromFilelike(file) except NULL:
    cdef _ExceptionContext exc_context
    cdef _FileReaderContext dtd_parser
    cdef _ErrorLog error_log
    cdef tree.xmlDtd* c_dtd = NULL
    exc_context = _ExceptionContext()
    dtd_parser = _FileReaderContext(file, exc_context, None)
    error_log = _ErrorLog()

with error_log:
        c_dtd = dtd_parser._readDtd()

exc_context._raise_if_stored()
    if c_dtd is NULL:
        raise DTDParseError(u"error parsing DTD", error_log)
    return c_dtd

cdef DTD _dtdFactory(tree.xmlDtd* c_dtd):
    # do not run through DTD.__init__()!
    cdef DTD dtd
    if c_dtd is NULL:
        return None
    dtd = DTD.__new__(DTD)
    dtd._c_dtd = _copyDtd(c_dtd)
    _Validator.__init__(dtd)
    return dtd

cdef tree.xmlDtd* _copyDtd(tree.xmlDtd* c_orig_dtd) except NULL:
    """
    Copy a DTD.  libxml2 (currently) fails to set up the element->attributes
    links when copying DTDs, so we have to rebuild them here.
    """
    c_dtd = tree.xmlCopyDtd(c_orig_dtd)
    if not c_dtd:
        raise MemoryError
    cdef tree.xmlNode* c_node = c_dtd.children
    while c_node:
        if c_node.type == tree.XML_ATTRIBUTE_DECL:
            _linkDtdAttribute(c_dtd, <tree.xmlAttribute*>c_node)
        c_node = c_node.next
    return c_dtd

cdef void _linkDtdAttribute(tree.xmlDtd* c_dtd, tree.xmlAttribute* c_attr):
    """
    Create the link to the DTD attribute declaration from the corresponding
    element declaration.
    """
    c_elem = dtdvalid.xmlGetDtdElementDesc(c_dtd, c_attr.elem)
    if not c_elem:
        # no such element? something is wrong with the DTD ...
        return
    c_pos = c_elem.attributes
    if not c_pos:
        c_elem.attributes = c_attr
        c_attr.nexth = NULL
        return
    # libxml2 keeps namespace declarations first, and we need to make
    # sure we don't re-insert attributes that are already there
    if _isDtdNsDecl(c_attr):
        if not _isDtdNsDecl(c_pos):
            c_elem.attributes = c_attr
            c_attr.nexth = c_pos
            return
        while c_pos != c_attr and c_pos.nexth and _isDtdNsDecl(c_pos.nexth):
            c_pos = c_pos.nexth
    else:
        # append at end
        while c_pos != c_attr and c_pos.nexth:
            c_pos = c_pos.nexth
    if c_pos == c_attr:
        return
    c_attr.nexth = c_pos.nexth
    c_pos.nexth = c_attr

cdef bint _isDtdNsDecl(tree.xmlAttribute* c_attr):
    if cstring_h.strcmp(<const_char*>c_attr.name, "xmlns") == 0:
        return True
    if (c_attr.prefix is not NULL and
            cstring_h.strcmp(<const_char*>c_attr.prefix, "xmlns") == 0):
        return True
    return False

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