Integrated the image build to the python module

km3buu/__init__.py

 from .__version__ import version
+
+from os.path import isfile, abspath, join, dirname
+
+image_path = abspath(join(dirname(__file__), "..", "GiBUU.simg"))
+if not isfile(image_path):
+    raise EnvironmentError(
+        "GiBUU image was not found at %s; please run `make build` or `make buildremote`"
+        % image_path)

setup.py

@@ -7,6 +7,9 @@ KM3BUU setup script.
 """
 
 from setuptools import setup, find_packages
+from setuptools.command.install import install
+from setuptools.command.develop import develop
+from setuptools.command.egg_info import egg_info
 
 PACKAGE_NAME = 'km3buu'
 URL = 'https://git.km3net.de/simulation/km3buu'
@@ -14,9 +17,34 @@ DESCRIPTION = 'GiBUU tools for KM3NeT'
 __author__ = 'Johannes Schumann'
 __email__ = 'jschumann@km3net.de'
 
+import os
+
 with open('requirements.txt') as fobj:
     REQUIREMENTS = [l.strip() for l in fobj.readlines()]
 
+
+def _build_image():
+    os.system('make buildremote')
+
+
+class CustomInstallCmd(install):
+    def run(self):
+        install.run(self)
+        _build_image()
+
+
+class CustomDevelopCmd(develop):
+    def run(self):
+        develop.run(self)
+        _build_image()
+
+
+class CustomEggInfoCmd(egg_info):
+    def run(self):
+        egg_info.run(self)
+        _build_image()
+
+
 setup(
     name=PACKAGE_NAME,
     url=URL,
@@ -26,6 +54,9 @@ setup(
     packages=find_packages(),
     include_package_data=True,
     platforms='any',
+    cmdclass={'install': CustomInstallCmd, 
+              'develop': CustomDevelopCmd,
+              'egg_info': CustomEggInfoCmd},
     setup_requires=['setuptools_scm'],
     use_scm_version={
         'write_to': '{}/version.txt'.format(PACKAGE_NAME),