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