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Commit Description:
merge with algo and add brython files that were missing
Commit Description:
merge with algo and add brython files that were missing
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lib/assets/Lib/xml/etree/ElementInclude.py
| 144 lines
| 5.2 KiB
| text/x-python
| PythonLexer
|
| r584 | # | |||
| # ElementTree | ||||
| # $Id: ElementInclude.py 3375 2008-02-13 08:05:08Z 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) 1999-2008 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. | ||||
| # -------------------------------------------------------------------- | ||||
| # Licensed to PSF under a Contributor Agreement. | ||||
| # See http://www.python.org/psf/license for licensing details. | ||||
| ## | ||||
| # Limited XInclude support for the ElementTree package. | ||||
| ## | ||||
| import copy | ||||
| from . import ElementTree | ||||
| XINCLUDE = "{http://www.w3.org/2001/XInclude}" | ||||
| XINCLUDE_INCLUDE = XINCLUDE + "include" | ||||
| XINCLUDE_FALLBACK = XINCLUDE + "fallback" | ||||
| ## | ||||
| # Fatal include error. | ||||
| class FatalIncludeError(SyntaxError): | ||||
| pass | ||||
| ## | ||||
| # 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 (UTF-8 by default for "text"). | ||||
| # @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): | ||||
| if parse == "xml": | ||||
| file = open(href, 'rb') | ||||
| data = ElementTree.parse(file).getroot() | ||||
| else: | ||||
| if not encoding: | ||||
| encoding = 'UTF-8' | ||||
| file = open(href, 'r', encoding=encoding) | ||||
| data = file.read() | ||||
| file.close() | ||||
| return data | ||||
| ## | ||||
| # 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>. | ||||
| # @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. | ||||
| def include(elem, loader=None): | ||||
| if loader is None: | ||||
| loader = default_loader | ||||
| # look for xinclude elements | ||||
| i = 0 | ||||
| while i < len(elem): | ||||
| e = elem[i] | ||||
| if e.tag == XINCLUDE_INCLUDE: | ||||
| # process xinclude directive | ||||
| href = e.get("href") | ||||
| parse = e.get("parse", "xml") | ||||
| if parse == "xml": | ||||
| node = loader(href, parse) | ||||
| if node is None: | ||||
| raise FatalIncludeError( | ||||
| "cannot load %r as %r" % (href, parse) | ||||
| ) | ||||
| node = copy.copy(node) | ||||
| if e.tail: | ||||
| node.tail = (node.tail or "") + e.tail | ||||
| elem[i] = node | ||||
| elif parse == "text": | ||||
| text = loader(href, parse, e.get("encoding")) | ||||
| if text is None: | ||||
| raise FatalIncludeError( | ||||
| "cannot load %r as %r" % (href, parse) | ||||
| ) | ||||
| if i: | ||||
| node = elem[i-1] | ||||
| node.tail = (node.tail or "") + text + (e.tail or "") | ||||
| else: | ||||
| elem.text = (elem.text or "") + text + (e.tail or "") | ||||
| del elem[i] | ||||
| continue | ||||
| else: | ||||
| raise FatalIncludeError( | ||||
| "unknown parse type in xi:include tag (%r)" % parse | ||||
| ) | ||||
| elif e.tag == XINCLUDE_FALLBACK: | ||||
| raise FatalIncludeError( | ||||
| "xi:fallback tag must be child of xi:include (%r)" % e.tag | ||||
| ) | ||||
| else: | ||||
| include(e, loader) | ||||
| i = i + 1 | ||||