diff env/lib/python3.7/site-packages/lxml/ElementInclude.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"

--- a/env/lib/python3.7/site-packages/lxml/ElementInclude.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,244 +0,0 @@
-#
-# 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.
-#
-# [e-mail]
-# 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