Python编程的问题 - Crossin的编程教室

import os
import re
print "Please input the location where you installed the Cygwin:"
print "WARNINING: when you input,please add the '\\' in the back of the location that you input(if your input don't with '\\')"
CYGWIN_HOME=raw_input()
CYGWIN_PASS_DIR=CYGWIN_HOME+"etc\passwd"
if(CYGWIN_HOME==""):
print "Error!You must enter a directory!!!Exiting"
elif(not os.path.exists(CYGWIN_HOME)):
print "Error!The path you entered is not existed!!!Exiting"
else:
f=open(CYGWIN_PASS_DIR,"r")
con = f.read()
f.close()
print con
con1 = re.sub("Administrator","root",con)
con2 = re.sub("500","0",con1)
con3 = re.sub("513","0",con2)
print con3
f2 = open(CYGWIN_PASS_DIR, 'w')
f2.write(con3)
f2.close()
if(not os.path.exists(CYGWIN_HOME+"home\\root\")):
os.mkdir(CYGWIN_HOME+"home\\root\")

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