#!/usr/bin/python
import sys
from configobj import ConfigObj

SYNOPSIS='SYNOPSIS: inised <file.ini> <add-key|remove-key> <section> <key> <value>'
## first testing for file existence
try:
    f = open(sys.argv[1],'r')
except IOError:
    print "file '%s' not found" % (sys.argv[1])
    sys.exit(1)
except IndexError:
    print SYNOPSIS
    sys.exit(1)

# file exist ...
filename = sys.argv[1]
print "# file %s found ..." % (filename)
ini = ConfigObj(filename)


try:
    sys.argv[2]
except IndexError:
    print "command 'add-key' or 'remove-key' where expected"
    print SYNOPSIS
    sys.exit(1)

cmd = sys.argv[2]

if cmd == 'add-key':
    sectionName = sys.argv[3]
    key = sys.argv[4]
    value = sys.argv[5]
    try:
        ini[sectionName]
        print "section '%s' found ..." % (sectionName)
    except KeyError:
        ini[sectionName]={}
        ini.write()
        print "section '%s' added ..." % (sectionName)

    print "add/update key '%s' with value '%s' in section '%s' ..." % (key,value,sectionName)
    ini[sectionName][key]=value
    ini.write()

elif cmd == 'remove-key':
    sectionName = sys.argv[3]
    key = sys.argv[4]
    try:
        section = ini[sectionName]
        try:
            section.__delitem__(key)
        except KeyError:
            print "key '%s' not found..." % (key)
    except KeyError:
        print "section '%s' not found..." % (sectionName)
    ini.write()
    print " key '%s' from section '%s' removed ..." % (key,sectionName)

else:
    print "command '%s' not found" % (cmd) 
    print SYNOPSIS
    sys.exit(1)