Demos of the new XML support from Lars Marius Garshol <larsga@garshol.priv.no>.

2025-08-04 00:48:58 +00:00 · 2000-10-16 15:27:05 +00:00 · 2000-10-16 15:27:05 +00:00 · ac5f7483e8
commit ac5f7483e8
parent f155170f09
3 changed files with 172 additions and 0 deletions
--- a/Demo/xml/rss2html.py
+++ b/Demo/xml/rss2html.py
@ -0,0 +1,91 @@
+import sys
+
+from xml.sax import make_parser, handler
+
+# --- Templates
+
+top = \
+"""
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
+<HTML>
+<HEAD>
+  <TITLE>%s</TITLE>
+</HEAD>
+
+<BODY>
+<H1>%s</H1>
+"""
+
+bottom = \
+"""
+</ul>
+
+<HR>
+<ADDRESS>
+Converted to HTML by sax_rss2html.py.
+</ADDRESS>
+
+</BODY>
+</HTML>
+"""
+
+# --- The ContentHandler
+
+class RSSHandler(handler.ContentHandler):
+
+    def __init__(self, out = sys.stdout):
+        handler.ContentHandler.__init__(self)
+        self._out = out
+
+        self._text = ""
+        self._parent = None
+        self._list_started = 0
+        self._title = None
+        self._link = None
+        self._descr = ""
+
+    # ContentHandler methods
+
+    def startElement(self, name, attrs):
+        if name == "channel" or name == "image" or name == "item":
+            self._parent = name
+
+        self._text = ""
+
+    def endElement(self, name):
+        if self._parent == "channel":
+            if name == "title":
+                self._out.write(top % (self._text, self._text))
+            elif name == "description":
+                self._out.write("<p>%s</p>\n" % self._text)
+
+        elif self._parent == "item":
+            if name == "title":
+                self._title = self._text
+            elif name == "link":
+                self._link = self._text
+            elif name == "description":
+                self._descr = self._text
+            elif name == "item":
+                if not self._list_started:
+                    self._out.write("<ul>\n")
+                    self._list_started = 1
+
+                self._out.write('  <li><a href="%s">%s</a> %s\n' %
+                                (self._link, self._title, self._descr))
+
+                self._title = None
+                self._link = None
+                self._descr = ""
+
+        if name == "rss":
+            self._out.write(bottom)
+                
+    def characters(self, content):
+        self._text = self._text + content
+
+# --- Main program
+
+parser = make_parser()
+parser.setContentHandler(RSSHandler())
+parser.parse(sys.argv[1])