brestful.py

This is an example of restful use written in Python.

import sys
import struct
import math
import os
import platform
import json
 
if (platform.system() == "Windows"):
    sys.path.append("C:\\Program Files\\Actian\\Zen\\bin")
else:
    sys.path.append("/usr/local/actianzen/lib64")
 
import btrievePython
 
min_x = 0
max_x = 255
collectionName = "squaresAndSquareRoots.btr"
 
# If the incorrect number of arguments were given.
if (len(sys.argv) != 2):
    sys.exit("Usage: " + os.path.basename(sys.argv[0]) + " uint8_value")
 
integerValue = int(sys.argv[1])
 
# If integerValue is out of range.
if (integerValue < min_x) or (integerValue > max_x):
    sys.exit("Usage: " + os.path.basename(sys.argv[0]) + " uint8_value")
 
key = sys.argv[1]
 
 
response = json.loads(btrievePython.BRestful.POST(collectionName))
assert(response["_statusCode"] == btrievePython.Btrieve.STATUS_CODE_NO_ERROR), response["_statusString"]
 
 
# For all the values of x.
for i in range(min_x, max_x + 1):
    iSquared = i * i
    iSquareRoot = math.sqrt(i)
    document = {}
    document["x"] = i
    document["xSquared"] = iSquared
    document["xSquareRoot"] = iSquareRoot
    document["text"] = "The square of %d is %d and its square root is %f." % (i, iSquared, iSquareRoot)
    documentJson = json.dumps(document)
 
 
    response = json.loads(btrievePython.BRestful.POST(collectionName, documentJson))
    assert(response["_statusCode"] == btrievePython.Btrieve.STATUS_CODE_NO_ERROR), response["_statusString"]
 
 
query = '{ "x": ' + key + '}'
 
 
response = json.loads(btrievePython.BRestful.GET(collectionName, query))
assert(response["_statusCode"] == btrievePython.Btrieve.STATUS_CODE_NO_ERROR), response["_statusString"]
 
 
documentIdList = response["_ids"]
 
length = len(documentIdList)
assert(length == 1), "Unexpected length.  Length should be one."
 
documentId = documentIdList[0]
 
 
response = json.loads(btrievePython.BRestful.GET(collectionName, documentId))
assert(response["_statusCode"] == btrievePython.Btrieve.STATUS_CODE_NO_ERROR), response["_statusString"]
 
 
print ("json:", json.dumps(response))
 
 
response = json.loads(btrievePython.BRestful.DELETE(collectionName))
assert(response["_statusCode"] == btrievePython.Btrieve.STATUS_CODE_NO_ERROR), response["_statusString"]