+"""
+A simple demo that reads in an XML document and displays the number of
+elements and attributes as well as a tally of elements and attributes by name.
+"""
+
import sys
+from collections import defaultdict
from xml.sax import make_parser, handler
def __init__(self):
self._elems = 0
self._attrs = 0
- self._elem_types = {}
- self._attr_types = {}
+ self._elem_types = defaultdict(int)
+ self._attr_types = defaultdict(int)
def startElement(self, name, attrs):
- self._elems = self._elems + 1
- self._attrs = self._attrs + len(attrs)
- self._elem_types[name] = self._elem_types.get(name, 0) + 1
+ self._elems += 1
+ self._attrs += len(attrs)
+ self._elem_types[name] += 1
for name in attrs.keys():
- self._attr_types[name] = self._attr_types.get(name, 0) + 1
+ self._attr_types[name] += 1
def endDocument(self):
print("There were", self._elems, "elements.")
for pair in self._attr_types.items():
print("%20s %d" % pair)
-
-parser = make_parser()
-parser.setContentHandler(FancyCounter())
-parser.parse(sys.argv[1])
+if __name__ == '__main__':
+ parser = make_parser()
+ parser.setContentHandler(FancyCounter())
+ parser.parse(sys.argv[1])
but not necessarily identical, document.
"""
-import sys, string
+import sys
from xml.sax import saxutils, handler, make_parser
class ContentGenerator(handler.ContentHandler):
- def __init__(self, out = sys.stdout):
+ def __init__(self, out=sys.stdout):
handler.ContentHandler.__init__(self)
self._out = out
# --- The main program
-parser = make_parser()
-parser.setContentHandler(ContentGenerator())
-parser.parse(sys.argv[1])
+if __name__ == '__main__':
+ parser = make_parser()
+ parser.setContentHandler(ContentGenerator())
+ parser.parse(sys.argv[1])
+"""
+A demo that reads in an RSS XML document and emits an HTML file containing
+a list of the individual items in the feed.
+"""
+
import sys
+import codecs
from xml.sax import make_parser, handler
# --- Templates
-top = \
-"""
+top = """\
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
-<HTML>
-<HEAD>
- <TITLE>%s</TITLE>
-</HEAD>
-
-<BODY>
-<H1>%s</H1>
+<html>
+<head>
+ <title>%s</title>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+</head>
+
+<body>
+<h1>%s</h1>
"""
-bottom = \
-"""
+bottom = """
</ul>
-<HR>
-<ADDRESS>
-Converted to HTML by sax_rss2html.py.
-</ADDRESS>
+<hr>
+<address>
+Converted to HTML by rss2html.py.
+</address>
-</BODY>
-</HTML>
+</body>
+</html>
"""
# --- The ContentHandler
class RSSHandler(handler.ContentHandler):
- def __init__(self, out = sys.stdout):
+ def __init__(self, out=sys.stdout):
handler.ContentHandler.__init__(self)
self._out = out
self._text = ""
self._parent = None
- self._list_started = 0
+ self._list_started = False
self._title = None
self._link = None
self._descr = ""
elif name == "item":
if not self._list_started:
self._out.write("<ul>\n")
- self._list_started = 1
+ self._list_started = True
self._out.write(' <li><a href="%s">%s</a> %s\n' %
(self._link, self._title, self._descr))
# --- Main program
-parser = make_parser()
-parser.setContentHandler(RSSHandler())
-parser.parse(sys.argv[1])
+if __name__ == '__main__':
+ parser = make_parser()
+ parser.setContentHandler(RSSHandler())
+ parser.parse(sys.argv[1])
projects / python / commitdiff