Convert to Using Decimal and Fix Related Test

Pipfile

@@ -13,5 +13,4 @@ pytest-cov = "*"
 urllib3 = ">=2.1.0"
 intuit-oauth = "==1.2.5"
 requests = ">=2.31.0"
-simplejson = ">=3.19.1"
 requests_oauthlib = ">=1.3.1"

quickbooks/client.py

@@ -4,11 +4,13 @@
 import base64
 import hashlib
 import hmac
+import decimal
 
 from . import exceptions
 from requests_oauthlib import OAuth2Session
 
-to_bytes = lambda value, *args, **kwargs: bytes(value, "utf-8", *args, **kwargs)
+def to_bytes(value, *args, **kwargs):
+    return bytes(value, "utf-8", *args, **kwargs)
 
 
 class Environments(object):
@@ -24,6 +26,7 @@ class QuickBooks(object):
     minorversion = None
     verifier_token = None
     invoice_link = False
+    use_decimal = False
 
     sandbox_api_url_v3 = "https://sandbox-quickbooks.api.intuit.com/v3"
     api_url_v3 = "https://quickbooks.api.intuit.com/v3"
@@ -79,6 +82,9 @@ def __new__(cls, **kwargs):
         if 'verifier_token' in kwargs:
             instance.verifier_token = kwargs.get('verifier_token')
 
+        if 'use_decimal' in kwargs:
+            instance.use_decimal = kwargs.get('use_decimal')
+
         return instance
 
     def _start_session(self):
@@ -206,7 +212,10 @@ def make_request(self, request_type, url, request_body=None, content_type='appli
                 "Application authentication failed", error_code=req.status_code, detail=req.text)
 
         try:
-            result = req.json()
+            if (self.use_decimal):
+                result = json.loads(req.text, parse_float=decimal.Decimal)
+            else:
+                result = json.loads(req.text)
         except:
             raise exceptions.QuickbooksException("Error reading json response: {0}".format(req.text), 10000)
 

quickbooks/mixins.py

@@ -1,16 +1,20 @@
+import decimal
+import json
 from urllib.parse import quote
 
-try: import simplejson as json
-except ImportError: import json
-
-from .utils import build_where_clause, build_choose_clause
 from .client import QuickBooks
 from .exceptions import QuickbooksException
+from .utils import build_choose_clause, build_where_clause
 
+class DecimalEncoder(json.JSONEncoder):
+    def default(self, obj):
+        if isinstance(obj, decimal.Decimal):
+            return str(obj)
+        return super(DecimalEncoder, self).default(obj)
 
 class ToJsonMixin(object):
     def to_json(self):
-        return json.dumps(self, default=self.json_filter(), sort_keys=True, indent=4)
+        return json.dumps(self, cls=DecimalEncoder, default=self.json_filter(), sort_keys=True, indent=4)
 
     def json_filter(self):
         """
@@ -178,7 +182,7 @@ def void(self, qb=None):
 
         data = self.get_void_data()
         params = self.get_void_params()
-        results = qb.post(url, json.dumps(data), params=params)
+        results = qb.post(url, json.dumps(data, cls=DecimalEncoder), params=params)
 
         return results
 
@@ -232,7 +236,7 @@ def delete(self, qb=None, request_id=None):
             'Id': self.Id,
             'SyncToken': self.SyncToken,
         }
-        return qb.delete_object(self.qbo_object_name, json.dumps(data), request_id=request_id)
+        return qb.delete_object(self.qbo_object_name, json.dumps(data, cls=DecimalEncoder), request_id=request_id)
 
 
 class DeleteNoIdMixin(object):

quickbooks/objects/payment.py

@@ -4,7 +4,6 @@
 from ..client import QuickBooks
 from .creditcardpayment import CreditCardPayment
 from ..mixins import DeleteMixin, VoidMixin
-import json
 
 
 class PaymentLine(QuickbooksBaseObject):

requirements.txt

@@ -1,4 +1,3 @@
 intuit-oauth==1.2.4
 requests_oauthlib>=1.3.1
-requests>=2.31.0
-simplejson>=3.19.1
+requests>=2.31.0

setup.py

@@ -34,7 +34,6 @@ def read(*parts):
         'intuit-oauth==1.2.5',
         'requests_oauthlib>=1.3.1',
         'requests>=2.31.0',
-        'simplejson>=3.19.1',
         'python-dateutil',
     ],
 

tests/unit/test_client.py

@@ -1,3 +1,4 @@
+import json
 from tests.integration.test_base import QuickbooksUnitTestCase
 
 try:
@@ -6,7 +7,7 @@
     from unittest.mock import patch, mock_open
 
 from quickbooks.exceptions import QuickbooksException, SevereException, AuthorizationException
-from quickbooks import client
+from quickbooks import client, mixins
 from quickbooks.objects.salesreceipt import SalesReceipt
 
 
@@ -141,7 +142,7 @@ def test_get_single_object(self, make_req):
 
     @patch('quickbooks.client.QuickBooks.process_request')
     def test_make_request(self, process_request):
-        process_request.return_value = MockResponse()
+        process_request.return_value = MockResponseJson()
 
         qb_client = client.QuickBooks()
         qb_client.company_id = "1234"
@@ -220,7 +221,7 @@ def test_download_pdf_not_authorized(self, process_request):
     @patch('quickbooks.client.QuickBooks.process_request')
     def test_make_request_file_closed(self, process_request):
         file_path = '/path/to/file.txt'
-        process_request.return_value = MockResponse()
+        process_request.return_value = MockResponseJson()
         with patch('builtins.open', mock_open(read_data=b'file content')) as mock_file:
             qb_client = client.QuickBooks(auth_client=self.auth_client)
             qb_client.make_request('POST', 
@@ -253,6 +254,18 @@ def json(self):
     def content(self):
         return ''
 
+class MockResponseJson:
+    def __init__(self, json_data=None, status_code=200):
+        self.json_data = json_data or {}
+        self.status_code = status_code
+
+    @property
+    def text(self):
+        return json.dumps(self.json_data, cls=mixins.DecimalEncoder)
+
+    def json(self):
+        return self.json_data
+
 
 class MockUnauthorizedResponse(object):
     @property