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#!/usr/bin/python
##############################################################################
###
### parse-json.py
###
### A utility to parse a cassnadra-commands file and return the commands per type
### An Example for a json file:
### {
### "create":{
### "choice_or_other":"CREATE TYPE IF NOT EXISTS choice_or_other (results text)",
### "vendor_license_model": "CREATE TABLE IF NOT EXISTS vendor_license_model (vlm_id text PRIMARY KEY, name text, description text, icon text)",
### "license_agreement": "CREATE TABLE IF NOT EXISTS license_agreement (vlm_id text, la_id text, name text, description text, type text, contract text, req_const text, fg_ids set<text>, PRIMARY KEY (vlm_id, la_id))",
### "feature_group": "CREATE TABLE IF NOT EXISTS feature_group (vlm_id text, fg_id text, name text, description text, ep_ids set<text>, lkg_ids set<text>, refd_by_las set<text>, PRIMARY KEY (vlm_id, fg_id))",
### "license_key_group": "CREATE TABLE IF NOT EXISTS license_key_group (vlm_id text,lkg_id text,name text,description text, type text, operational_scope text, ref_fgs set<text>,PRIMARY KEY (vlm_id, lkg_id))",
### }
### }
###
### The return for "create" will be:
### CREATE TYPE IF NOT EXISTS choice_or_other (results text)
### CREATE TABLE IF NOT EXISTS vendor_license_model (vlm_id text PRIMARY KEY, name text, description text, icon text)
### CREATE TABLE IF NOT EXISTS license_agreement (vlm_id text, la_id text, name text, description text, type text, contract text, req_const text, fg_ids set<text>, PRIMARY KEY (vlm_id, la_id))
### CREATE TABLE IF NOT EXISTS feature_group (vlm_id text, fg_id text, name text, description text, ep_ids set<text>, lkg_ids set<text>, refd_by_las set<text>, PRIMARY KEY (vlm_id, fg_id))
### CREATE TABLE IF NOT EXISTS license_key_group (vlm_id text,lkg_id text,name text,description text, type text, operational_scope text, ref_fgs set<text>,PRIMARY KEY (vlm_id, lkg_id))
### Usage:
###
### parse-json.py -t create -f cassandra-commands.json
###
### For example:
###
###
### Author: Avi Ziv
### Version 1.0
### Date: 3 May 2016
###
##############################################################################
import sys, getopt
import json as json
from collections import OrderedDict
def readJsonFile(file, type):
with open(file, 'r') as f:
data = json.load(f, object_pairs_hook=OrderedDict)
return data[type]
def printJsonTypeEntries(jsonData):
for i in jsonData.keys():
print jsonData[i] + ';'
def usage():
print 'parseJsonFile.py [-f <json-file> & -t <cql-type: drop|create|insert|update|select]'
def main(argv):
action = ''
try:
opts, args = getopt.getopt(argv, "h:f:t:")
except getopt.GetoptError:
usage()
sys.exit(2)
for opt, arg in opts:
if opt == '-h':
usage()
sys.exit()
elif opt == '-f':
jsonFile = arg
action = 'file'
elif opt == '-t':
type = arg
if action == 'file':
sJson = readJsonFile(jsonFile, type)
printJsonTypeEntries(sJson)
sys.exit()
else:
usage()
if __name__ == "__main__":
main(sys.argv[1:])
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