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import json
import os
from random import *
import string
import sys
constants = [True, False, None]
def mkconstant():
return choice(constants)
def mkinteger():
return randint(-1e3, 1e3) * (10 ** normalvariate(0, 4)) + randint(-1e3, 1e3)
def mkdouble():
return random() * (10 ** normalvariate(0, 30))
def mknum():
if randint(0, 1):
return mkdouble()
else:
return mkinteger()
def mkstring():
n = int(min(abs(normalvariate(40, 20)), abs(normalvariate(30, 10))))
return ''.join([choice(string.ascii_letters) for i in range(0, n)])
values = [mkconstant, mknum, mknum, mknum, mkstring]
def mkvalue():
return choice(values)()
def mkarray(n, t, threshold):
a = []
t2 = t + random()
if (t > threshold):
for i in range(0, 2 * n):
a.append(mkvalue())
else:
#print "mkarray(%s, %s, %s)" % (n, t, threshold)
for i in range(0, n / 5):
a.append(mkcontainer(t2, threshold))
return a
def mkobject(n, t, threshold):
d = {}
t2 = t + random()
if (t > threshold):
for i in range(0, n):
k = mkstring()
v = mkvalue()
d[k] = v
else:
#print "mkobject(%s, %s, %s)" % (n, t, threshold)
for i in range(0, n / 10):
k = mkstring()
v = mkcontainer(t2, threshold)
d[k] = v
return d
containers = [mkarray, mkobject, mkobject]
def mkcontainer(t, threshold):
n = int(abs(normalvariate(10, 30)))
return choice(containers)(n, t, threshold)
if __name__ == "__main__":
args = sys.argv[1:]
try:
weight = float(args[0])
path = args[1]
print "generating random JSON with weight %s into %s" % (weight, path)
f = open(path, 'w')
c = mkcontainer(0.0, weight)
f.write(json.dumps(c))
f.close()
except:
print "usage: %s WEIGHT (0.0 < w < ~4.0) FILE" % sys.argv[0]
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