Demo/xml/rss2html.py · feng/python

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python

Demo

xml

rss2html.py

rss2html.py 2.00 KB

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])

Copy Edit Raw Blame History

feng authored 2015年10月01日 10:15 +08:00 . python

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 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])