mirror of https://github.com/python/cpython.git
47 lines
942 B
Python
47 lines
942 B
Python
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#! /usr/local/bin/python
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# www3.py -- print the contents of a URL on stdout
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# - error checking
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# - Error 302 handling
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import sys
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import urllib
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import types
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def main():
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if len(sys.argv) != 2 or sys.argv[1][:1] == '-':
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print "Usage:", sys.argv[0], "url"
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sys.exit(2)
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url = sys.argv[1]
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fp = my_urlopen(url)
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while 1:
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line = fp.readline()
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if not line: break
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sys.stdout.write(line)
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def my_urlopen(url):
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try:
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fp = urllib.urlopen(url)
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return fp
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except IOError, msg:
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if type(msg) == types.TupleType and len(msg) == 4:
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m = msg[3]
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if msg[1] == 302:
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if m.has_key('location'):
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url = m['location']
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print 'Location:', url
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return my_urlopen(url)
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elif m.has_key('uri'):
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url = m['uri']
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print 'URI:', url
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return my_urlopen(url)
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print '(Error 302 w/o Location/URI header???)'
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print msg[:3]
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for line in m.headers:
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sys.stdout.write(line)
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else:
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print msg
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sys.exit(1)
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main()
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