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#!/usr/bin/python
import os
import subprocess
import re
import json
import sys
import time
import argparse
help = """Welcome to neo4j-cypher, a tool to submit cypher queries to neo4j
This tool follows the neo4j REST API and allows submitting queries from command
line or standard in without using neo4j-shell since that doesn't work on all machines.
It relies on curl right now although this could be replaced with straight python.
"""
verbose = False
BASE="http://rhizi.local:7474/db/data"
def c(cmd, incoming=None):
if verbose:
print("executing %r" % cmd)
print(incoming)
p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if incoming:
p.stdin.write(incoming)
if p.stdin:
p.stdin.close()
p.wait()
ret = p.stdout.read()
return ret
def curl(path, incoming):
return c(["curl", "-H", 'Accept: application/json', "-H", 'Content-Type: application/json', '-XPOST', '-d@-', path],
incoming=incoming)
def transact(datum):
transaction_output = curl(BASE + "/transaction/", '{"statements": [ ] }')
commit = re.search("http://.*commit", transaction_output).group()
ret = curl(commit, json.dumps(datum))
obj = json.loads(ret)
return obj
def main(statements):
one_at_a_time = False
if len(statements) == 0:
statements = [l.strip() for l in sys.stdin.readlines() if l.strip()[:2] != '//' and l.strip() != ""]
one_at_a_time = True
print("----------------------------------------------------------------------")
print "\n".join(statements)
print("----------------------------------------------------------------------")
def single_request_data(statements):
return {'statements': [{'statement': s} for s in statements]}
if one_at_a_time:
data = [single_request_data([statement]) for statement in statements]
else:
data = [single_request_data(statements)]
for datum in data:
result = transact(datum)
json.dump(result, sys.stdout, sort_keys=True, indent=4, separators=(',', ': '))
print()
if __name__ == '__main__':
parser = argparse.ArgumentParser(description=help, add_help=True)
parser.add_argument('--verbose', action='store_true', default=False)
args, statements = parser.parse_known_args(sys.argv[1:])
verbose = args.verbose
main(statements)
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