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/ElementInclude.py (8560B)

#
# ElementTree
# $Id: ElementInclude.py 1862 2004-06-18 07:31:02Z Fredrik $
#
# limited xinclude support for element trees
#
# history:
# 2003-08-15 fl   created
# 2003-11-14 fl   fixed default loader
#
# Copyright (c) 2003-2004 by Fredrik Lundh.  All rights reserved.
#
# fredrik@pythonware.com
# http://www.pythonware.com
#
# --------------------------------------------------------------------
# The ElementTree toolkit is
#
# Copyright (c) 1999-2004 by Fredrik Lundh
#
# By obtaining, using, and/or copying this software and/or its
# associated documentation, you agree that you have read, understood,
# and will comply with the following terms and conditions:
#
# Permission to use, copy, modify, and distribute this software and
# its associated documentation for any purpose and without fee is
# hereby granted, provided that the above copyright notice appears in
# all copies, and that both that copyright notice and this permission
# notice appear in supporting documentation, and that the name of
# Secret Labs AB or the author not be used in advertising or publicity
# pertaining to distribution of the software without specific, written
# prior permission.
#
# SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
# TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
# ABILITY AND FITNESS.  IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR
# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
# OF THIS SOFTWARE.
# --------------------------------------------------------------------

"""
Limited XInclude support for the ElementTree package.

While lxml.etree has full support for XInclude (see
`etree.ElementTree.xinclude()`), this module provides a simpler, pure
Python, ElementTree compatible implementation that supports a simple
form of custom URL resolvers.
"""

from lxml import etree
try:
    from urlparse import urljoin
    from urllib2 import urlopen
except ImportError:
    # Python 3
    from urllib.parse import urljoin
    from urllib.request import urlopen

XINCLUDE = "{http://www.w3.org/2001/XInclude}"

XINCLUDE_INCLUDE = XINCLUDE + "include"
XINCLUDE_FALLBACK = XINCLUDE + "fallback"
XINCLUDE_ITER_TAG = XINCLUDE + "*"

# For security reasons, the inclusion depth is limited to this read-only value by default.
DEFAULT_MAX_INCLUSION_DEPTH = 6

##
# Fatal include error.

class FatalIncludeError(etree.LxmlSyntaxError):
    pass

class LimitedRecursiveIncludeError(FatalIncludeError):
    pass

##
# ET compatible default loader.
# This loader reads an included resource from disk.
#
# @param href Resource reference.
# @param parse Parse mode.  Either "xml" or "text".
# @param encoding Optional text encoding.
# @return The expanded resource.  If the parse mode is "xml", this
#    is an ElementTree instance.  If the parse mode is "text", this
#    is a Unicode string.  If the loader fails, it can return None
#    or raise an IOError exception.
# @throws IOError If the loader fails to load the resource.

def default_loader(href, parse, encoding=None):
    file = open(href, 'rb')
    if parse == "xml":
        data = etree.parse(file).getroot()
    else:
        data = file.read()
        if not encoding:
            encoding = 'utf-8'
        data = data.decode(encoding)
    file.close()
    return data

##
# Default loader used by lxml.etree - handles custom resolvers properly
#

def _lxml_default_loader(href, parse, encoding=None, parser=None):
    if parse == "xml":
        data = etree.parse(href, parser).getroot()
    else:
        if "://" in href:
            f = urlopen(href)
        else:
            f = open(href, 'rb')
        data = f.read()
        f.close()
        if not encoding:
            encoding = 'utf-8'
        data = data.decode(encoding)
    return data

##
# Wrapper for ET compatibility - drops the parser

def _wrap_et_loader(loader):
    def load(href, parse, encoding=None, parser=None):
        return loader(href, parse, encoding)
    return load

##
# Expand XInclude directives.
#
# @param elem Root element.
# @param loader Optional resource loader.  If omitted, it defaults
#     to {@link default_loader}.  If given, it should be a callable
#     that implements the same interface as <b>default_loader</b>.
# @param base_url The base URL of the original file, to resolve
#     relative include file references.
# @param max_depth The maximum number of recursive inclusions.
#     Limited to reduce the risk of malicious content explosion.
#     Pass None to disable the limitation.
# @throws LimitedRecursiveIncludeError If the {@link max_depth} was exceeded.
# @throws FatalIncludeError If the function fails to include a given
#     resource, or if the tree contains malformed XInclude elements.
# @throws IOError If the function fails to load a given resource.
# @returns the node or its replacement if it was an XInclude node

def include(elem, loader=None, base_url=None,
            max_depth=DEFAULT_MAX_INCLUSION_DEPTH):
    if max_depth is None:
        max_depth = -1
    elif max_depth < 0:
        raise ValueError("expected non-negative depth or None for 'max_depth', got %r" % max_depth)

if base_url is None:
        if hasattr(elem, 'getroot'):
            tree = elem
            elem = elem.getroot()
        else:
            tree = elem.getroottree()
        if hasattr(tree, 'docinfo'):
            base_url = tree.docinfo.URL
    elif hasattr(elem, 'getroot'):
        elem = elem.getroot()
    _include(elem, loader, base_url, max_depth)

def _include(elem, loader=None, base_url=None,
             max_depth=DEFAULT_MAX_INCLUSION_DEPTH, _parent_hrefs=None):
    if loader is not None:
        load_include = _wrap_et_loader(loader)
    else:
        load_include = _lxml_default_loader

if _parent_hrefs is None:
        _parent_hrefs = set()

parser = elem.getroottree().parser

include_elements = list(
        elem.iter(XINCLUDE_ITER_TAG))

for e in include_elements:
        if e.tag == XINCLUDE_INCLUDE:
            # process xinclude directive
            href = urljoin(base_url, e.get("href"))
            parse = e.get("parse", "xml")
            parent = e.getparent()
            if parse == "xml":
                if href in _parent_hrefs:
                    raise FatalIncludeError(
                        "recursive include of %r detected" % href
                        )
                if max_depth == 0:
                    raise LimitedRecursiveIncludeError(
                        "maximum xinclude depth reached when including file %s" % href)
                node = load_include(href, parse, parser=parser)
                if node is None:
                    raise FatalIncludeError(
                        "cannot load %r as %r" % (href, parse)
                        )
                node = _include(node, loader, href, max_depth - 1, {href} | _parent_hrefs)
                if e.tail:
                    node.tail = (node.tail or "") + e.tail
                if parent is None:
                    return node # replaced the root node!
                parent.replace(e, node)
            elif parse == "text":
                text = load_include(href, parse, encoding=e.get("encoding"))
                if text is None:
                    raise FatalIncludeError(
                        "cannot load %r as %r" % (href, parse)
                        )
                predecessor = e.getprevious()
                if predecessor is not None:
                    predecessor.tail = (predecessor.tail or "") + text
                elif parent is None:
                    return text # replaced the root node!
                else:
                    parent.text = (parent.text or "") + text + (e.tail or "")
                parent.remove(e)
            else:
                raise FatalIncludeError(
                    "unknown parse type in xi:include tag (%r)" % parse
                )
        elif e.tag == XINCLUDE_FALLBACK:
            parent = e.getparent()
            if parent is not None and parent.tag != XINCLUDE_INCLUDE:
                raise FatalIncludeError(
                    "xi:fallback tag must be child of xi:include (%r)" % e.tag
                    )
        else:
            raise FatalIncludeError(
                "Invalid element found in XInclude namespace (%r)" % e.tag
                )
    return elem

cmd: