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# vi:si:et:sw=4:sts=4:ts=4
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use the output from gst-xmlinspect.py to mangle tmpl/*.sgml and
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insert/overwrite Short Description and Long Description
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# FIXME: right now it uses pygst and scans on its own;
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# we really should use inspect/*.xml instead since the result of
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# gst-xmlinspect.py is commited by the docs maintainer, who can be
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# expected to have pygst, but this step should be done for every docs build,
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# read in inspect/*.xml
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# for every tmpl/element-(name).xml: mangle with details from element
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def __init__(self, filename):
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self.filename = filename
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Read and parse the sections from the given file.
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lines = open(self.filename).readlines()
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matcher = re.compile("<!-- ##### SECTION (\S+) ##### -->\n")
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match = matcher.search(line)
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id = match.expand("\\1")
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self._sectionids.append(id)
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self._sections[id] = []
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"WARNING: line before a SECTION header: %s" % line)
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self._sections[id].append(line)
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def get_section(self, id):
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Get the content from the given section.
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return self._sections[id]
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def set_section(self, id, content):
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Replace the given section id with the given content.
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self._sections[id] = content
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Return the output of the current template in the tmpl/*.sgml format.
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for id in self._sectionids:
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lines.append("<!-- ##### SECTION %s ##### -->\n" % id)
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for line in self._sections[id]:
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def write(self, backup=False):
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Write out the template file again, backing up the previous one.
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target = self.filename + ".mangle.bak"
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os.rename(self.filename, target)
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handle = open(self.filename, "w")
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handle.write(self.output())
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from xml.dom.ext.reader import Sax2
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from xml.dom.NodeFilter import NodeFilter
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def get_elements(file):
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reader = Sax2.Reader()
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doc = reader.fromStream(handle)
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walker = doc.createTreeWalker(doc.documentElement,
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NodeFilter.SHOW_ELEMENT, None, 0)
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while walker.currentNode and walker.currentNode.tagName != 'elements':
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# we're at elements now
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el = walker.firstChild()
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while walker.currentNode:
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element = walker.firstChild()
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# loop over children of <element>
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while walker.currentNode:
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if walker.currentNode.tagName == 'name':
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name = walker.currentNode.firstChild.data.encode('UTF-8')
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if walker.currentNode.tagName == 'description':
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description = walker.currentNode.firstChild.data.encode('UTF-8')
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if not walker.nextSibling(): break
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# back up to <element>
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elements[name] = {'description': description}
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if not walker.nextSibling(): break
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if not len(sys.argv) == 3:
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sys.stderr.write('Please specify the inspect/ dir and the tmpl/ dir')
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inspectdir = sys.argv[1]
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tmpldir = sys.argv[2]
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# parse all .xml files; build map of element name -> short desc
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#for file in glob.glob("inspect/plugin-*.xml"):
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for file in glob.glob("%s/plugin-*.xml" % inspectdir):
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elements.update(get_elements(file))
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for file in glob.glob("%s/element-*.sgml" % tmpldir):
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base = os.path.basename(file)
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element = base[len("element-"):-len(".sgml")]
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if element in elements.keys():
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description = elements[element]['description']
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tmpl.set_section("Short_Description", "%s\n\n" % description)
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# put in an include if not yet there
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line = '<include xmlns="http://www.w3.org/2003/XInclude" href="' + \
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'element-' + element + '-details.xml" />\n'
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section = tmpl.get_section("Long_Description")
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if not section[0] == line:
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section.insert(0, line)
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tmpl.set_section("Long_Description", section)