merchant-frontend-examples

commit de86dc7d48959ac5f2f9eee2245df54ff8761333
parent 725e428b7b5dd73c57766a756180573692c99608
Author: Marcello Stanisci <marcello.stanisci@inria.fr>
Date:   Mon, 20 Feb 2017 16:51:40 +0100

Adding initial logic for amounts arithmetics
in Python library.

Diffstat:
M
Makefile
 | 
2
+-
A
Python/pytaler/__init__.py
 | 
0

A
Python/pytaler/amounts.py
 | 
29
+++++++++++++++++++++++++++++
A
Python/setup.py
 | 
11
+++++++++++

4 files changed, 41 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
@@ -2,7 +2,7 @@
 
 .PHONY: graphics
 
-SUBDIRS := php
+SUBDIRS := php Python
 
 all: $(SUBDIRS)
 
diff --git a/Python/pytaler/__init__.py b/Python/pytaler/__init__.py
diff --git a/Python/pytaler/amounts.py b/Python/pytaler/amounts.py
@@ -0,0 +1,29 @@
+# This file is part of GNU TALER.
+# Copyright (C) 2014-2017 INRIA
+#
+# TALER is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 2.1, or (at your option) any later version.
+#
+# TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along with
+# GNU TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+#
+# @author Marcello Stanisci
+
+FRACTION = 100000000
+
+def amount_get_zero(currency):
+    return {"value": 0, "fraction": 0, "currency": currency}
+
+
+def amount_sum(a1, a2):
+    assert(a1['currency'] == a2['currency'])
+    fractions = a1['fraction'] + a2['fraction']
+    ret = {"value": a1["value"] + a2["value"] + int(fractions / FRACTION),
+           "fraction": fractions % FRACTION,
+           "currency": a1["currency"]}
+    return ret
diff --git a/Python/setup.py b/Python/setup.py
@@ -0,0 +1,11 @@
+from setuptools import setup, find_packages
+
+setup(name='pytaler',
+      version='0.0',
+      description='Helper functions for Taler amounts',
+      url='git://taler.net/merchant-frontend-examples',
+      author='Marcello Stanisci',
+      author_email='marcello.stanisci@inria.fr',
+      license='GPL',
+      packages=find_packages(),
+      zip_safe=False)