xmlre1.py

python web programming 部分

#!/usr/bin/python
import sys
import re

pat = r'<ingredients>((.|\n)*?)</ingredients>'
filename = sys.argv[1]

data = open(filename).read()

m = re.search(pat,data)
if not m:
    print "No ingredients found"
    print sys.exit(1)

ingredients = m.group(1)

pat = r'<item\s.*?>(.*?)</item>'
all = re.findall(pat,ingredients)

for item in all:
    print item