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authorS. Solomon Darnell2025-03-28 21:52:21 -0500
committerS. Solomon Darnell2025-03-28 21:52:21 -0500
commit4a52a71956a8d46fcb7294ac71734504bb09bcc2 (patch)
treeee3dc5af3b6313e921cd920906356f5d4febc4ed /.venv/lib/python3.12/site-packages/pptx/oxml/ns.py
parentcc961e04ba734dd72309fb548a2f97d67d578813 (diff)
downloadgn-ai-master.tar.gz
two version of R2R are hereHEADmaster
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+"""Namespace related objects."""
+
+from __future__ import annotations
+
+
+# -- Maps namespace prefix to namespace name for all known PowerPoint XML namespaces --
+_nsmap = {
+ "a": "http://schemas.openxmlformats.org/drawingml/2006/main",
+ "c": "http://schemas.openxmlformats.org/drawingml/2006/chart",
+ "cp": "http://schemas.openxmlformats.org/package/2006/metadata/core-properties",
+ "ct": "http://schemas.openxmlformats.org/package/2006/content-types",
+ "dc": "http://purl.org/dc/elements/1.1/",
+ "dcmitype": "http://purl.org/dc/dcmitype/",
+ "dcterms": "http://purl.org/dc/terms/",
+ "ep": "http://schemas.openxmlformats.org/officeDocument/2006/extended-properties",
+ "i": "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image",
+ "m": "http://schemas.openxmlformats.org/officeDocument/2006/math",
+ "mo": "http://schemas.microsoft.com/office/mac/office/2008/main",
+ "mv": "urn:schemas-microsoft-com:mac:vml",
+ "o": "urn:schemas-microsoft-com:office:office",
+ "p": "http://schemas.openxmlformats.org/presentationml/2006/main",
+ "pd": "http://schemas.openxmlformats.org/drawingml/2006/presentationDrawing",
+ "pic": "http://schemas.openxmlformats.org/drawingml/2006/picture",
+ "pr": "http://schemas.openxmlformats.org/package/2006/relationships",
+ "r": "http://schemas.openxmlformats.org/officeDocument/2006/relationships",
+ "sl": "http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout",
+ "v": "urn:schemas-microsoft-com:vml",
+ "ve": "http://schemas.openxmlformats.org/markup-compatibility/2006",
+ "w": "http://schemas.openxmlformats.org/wordprocessingml/2006/main",
+ "w10": "urn:schemas-microsoft-com:office:word",
+ "wne": "http://schemas.microsoft.com/office/word/2006/wordml",
+ "wp": "http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing",
+ "xsi": "http://www.w3.org/2001/XMLSchema-instance",
+}
+
+pfxmap = {value: key for key, value in _nsmap.items()}
+
+
+class NamespacePrefixedTag(str):
+ """Value object that knows the semantics of an XML tag having a namespace prefix."""
+
+ def __new__(cls, nstag: str):
+ return super(NamespacePrefixedTag, cls).__new__(cls, nstag)
+
+ def __init__(self, nstag: str):
+ self._pfx, self._local_part = nstag.split(":")
+ self._ns_uri = _nsmap[self._pfx]
+
+ @classmethod
+ def from_clark_name(cls, clark_name: str) -> NamespacePrefixedTag:
+ nsuri, local_name = clark_name[1:].split("}")
+ nstag = "%s:%s" % (pfxmap[nsuri], local_name)
+ return cls(nstag)
+
+ @property
+ def clark_name(self):
+ return "{%s}%s" % (self._ns_uri, self._local_part)
+
+ @property
+ def local_part(self):
+ """
+ Return the local part of the tag as a string. E.g. 'foobar' is
+ returned for tag 'f:foobar'.
+ """
+ return self._local_part
+
+ @property
+ def nsmap(self):
+ """
+ Return a dict having a single member, mapping the namespace prefix of
+ this tag to it's namespace name (e.g. {'f': 'http://foo/bar'}). This
+ is handy for passing to xpath calls and other uses.
+ """
+ return {self._pfx: self._ns_uri}
+
+ @property
+ def nspfx(self):
+ """
+ Return the string namespace prefix for the tag, e.g. 'f' is returned
+ for tag 'f:foobar'.
+ """
+ return self._pfx
+
+ @property
+ def nsuri(self):
+ """
+ Return the namespace URI for the tag, e.g. 'http://foo/bar' would be
+ returned for tag 'f:foobar' if the 'f' prefix maps to
+ 'http://foo/bar' in _nsmap.
+ """
+ return self._ns_uri
+
+
+def namespaces(*prefixes: str):
+ """Return a dict containing the subset namespace prefix mappings specified by *prefixes*.
+
+ Any number of namespace prefixes can be supplied, e.g. namespaces('a', 'r', 'p').
+ """
+ return {pfx: _nsmap[pfx] for pfx in prefixes}
+
+
+nsmap = namespaces # alias for more compact use with Element()
+
+
+def nsdecls(*prefixes: str):
+ return " ".join(['xmlns:%s="%s"' % (pfx, _nsmap[pfx]) for pfx in prefixes])
+
+
+def nsuri(nspfx: str):
+ """Return the namespace URI corresponding to `nspfx`.
+
+ Example:
+
+ >>> nsuri("p")
+ "http://schemas.openxmlformats.org/presentationml/2006/main"
+ """
+ return _nsmap[nspfx]
+
+
+def qn(namespace_prefixed_tag: str) -> str:
+ """Return a Clark-notation qualified tag name corresponding to `namespace_prefixed_tag`.
+
+ `namespace_prefixed_tag` is a string like 'p:body'. 'qn' stands for `qualified name`.
+
+ As an example, `qn("p:cSld")` returns:
+ `"{http://schemas.openxmlformats.org/drawingml/2006/main}cSld"`.
+ """
+ nsptag = NamespacePrefixedTag(namespace_prefixed_tag)
+ return nsptag.clark_name