load setup.py package version from objectbox package

Author: Ivan Dlugos

objectbox/__init__.py

@@ -2,12 +2,22 @@
 from objectbox.builder import Builder
 from objectbox.model import Model
 from objectbox.objectbox import ObjectBox
-from objectbox.c import NotFoundException
+from objectbox.c import NotFoundException, version_core
+from objectbox.version import Version
 
 __all__ = [
     'Box',
     'Builder',
     'Model',
     'ObjectBox',
     'NotFoundException',
+    'version',
+    'version_info',
 ]
+
+# Python binding version
+version = Version(0, 1, 0, "dev")
+
+
+def version_info():
+    return "ObjectBox Python version " + str(version) + " using dynamic library version " + str(version_core)

objectbox/c.py

@@ -1,6 +1,8 @@
 import ctypes.util
 import os
 import platform
+from objectbox.version import Version
+
 
 # This file contains C-API bindings based on the objectbox.h, linking to the 'objectbox' shared library
 
@@ -22,9 +24,18 @@ def shlib_name(library: str) -> str:
 lib_path = os.path.join(lib_path, 'lib', platform.machine(), shlib_name('objectbox'))
 C = ctypes.CDLL(lib_path)
 
-assert C.obx_version_is_at_least(0, 5, 103) == 1, \
-    "ObjectBox v0.5.103+ is not installed. " \
-    "Please upgrade/install by following the instructions at https://github.com/objectbox/objectbox-c"
+# load the core library version
+__major = ctypes.c_int(0)
+__minor = ctypes.c_int(0)
+__patch = ctypes.c_int(0)
+C.obx_version(ctypes.byref(__major), ctypes.byref(__minor), ctypes.byref(__patch))
+
+# C-api (core library) version
+version_core = Version(__major.value, __minor.value, __patch.value)
+
+required_version = "0.5.103"
+assert str(version_core) == required_version, \
+    "Incorrect ObjectBox version loaded: %s instead of expected %s " % (str(version_core), required_version)
 
 # define some basic types
 obx_err = ctypes.c_int

objectbox/version.py

@@ -1,7 +1,3 @@
-import ctypes
-from objectbox.c import C
-
-
 class Version:
     def __init__(self, major: int, minor: int, patch: int, label: str = ""):
         self.major = major
@@ -14,20 +10,3 @@ def __str__(self):
         if len(self.label) > 0:
             result += "-" + self.label
         return result
-
-
-# Python binding version
-version_python = Version(0, 0, 0, "dev")
-
-# load the core library version
-__major = ctypes.c_int(0)
-__minor = ctypes.c_int(0)
-__patch = ctypes.c_int(0)
-C.obx_version(ctypes.byref(__major), ctypes.byref(__minor), ctypes.byref(__patch))
-
-# C-api (core library) version
-version_library = Version(__major.value, __minor.value, __patch.value)
-
-
-def version_info():
-    return "ObjectBox Python version " + str(version_python) + " using dynamic library version " + str(version_library)

setup.py

@@ -1,11 +1,12 @@
 import setuptools
+import objectbox
 
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setuptools.setup(
     name="objectbox",
-    version="0.1.0",
+    version=str(objectbox.version),
     author="ObjectBox",
     description="ObjectBox is a superfast database for objects",
     long_description=long_description,

tests/test_basics.py

@@ -2,7 +2,6 @@
 import shutil
 import pytest
 import objectbox
-import objectbox.version
 from tests.model import TestEntity
 
 db_name = 'testdata'
@@ -21,7 +20,7 @@ def run_around_tests():
 
 
 def test_version():
-    info = objectbox.version.version_info()
+    info = objectbox.version_info()
     assert len(info) > 10