93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
import logging, sys, inspect
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from os.path import dirname, abspath
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from optparse import OptionParser
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#try to import setuptools
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try:
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from setuptools import setup, Extension
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from setuptools.command import easy_install
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except ImportError:
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raise ImportError("""setuptools is not installed for \"""" + sys.executable + """\"
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Follow this link for installing instructions :
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https://pypi.python.org/pypi/setuptools
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make sure you use \"""" + sys.executable + """\" during the installation""")
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raise SystemExit
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from pkg_resources import parse_version
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def notinstalled(modulename):
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return modulename + """ could not be imported for \"""" + sys.executable + """\"
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Set PYTHONPATH to the output of this command \"make print-OR_TOOLS_PYTHONPATH\" before running the examples"""
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def wrong_module(module_file, modulename):
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return """
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The python examples are not importing the """ + modulename + """ module from the sources.
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Remove the site-package that contains \"""" + module_file + """\", either manually or by using pip, and rerun this script again."""
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def log_error_and_exit(error_message):
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logging.error(error_message)
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raise SystemExit
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# Returns the n_th parent of file
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def n_dirname(n, file):
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directory = file
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for x in xrange(0, n):
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directory = dirname(directory)
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return directory
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if __name__ == '__main__':
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parser = OptionParser('Log level')
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parser.add_option('-l','--log',type='string',help='Available levels are CRITICAL (3), ERROR (2), WARNING (1), INFO (0), DEBUG (-1)',default='INFO')
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options,args = parser.parse_args()
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try:
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loglevel = getattr(logging,options.log.upper())
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except AttributeError:
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loglevel = {3:logging.CRITICAL,
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2:logging.ERROR,
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1:logging.WARNING,
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0:logging.INFO,
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-1:logging.DEBUG,
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}[int(options.log)]
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logging.basicConfig(format='[%(levelname)s] %(message)s',stream=sys.stdout, level=loglevel)
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logging.info("Python path : " + sys.executable)
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logging.info("Python version : " + sys.version)
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#try to import ortools
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try:
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import ortools
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except ImportError:
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logging.error (notinstalled("ortools"))
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raise SystemExit
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#check if we're using ortools from the sources or it's binded by pypi's module
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ortools_module_file = inspect.getfile(ortools)
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ortools_module_path = n_dirname(2, ortools_module_file)
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ortools_project_path = n_dirname(3, abspath(inspect.getfile(inspect.currentframe())))
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try:
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if(ortools_module_path == ortools_project_path):
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logging.info("Good! The python examples are importing the ortools module from the sources. The imported module is : " + inspect.getfile(ortools))
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else:
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raise Exception
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except (Exception):
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log_error_and_exit(wrong_module(ortools_module_file, "ortools"))
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#try to import protobuf
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try:
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import google.protobuf
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logging.info("Protobuf is imported from " + inspect.getfile(google.protobuf))
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except ImportError:
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log_error_and_exit(notinstalled("protobuf"))
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# Check if python can load the libraries' modules
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# this is useful when the library architecture is not compatbile with the python executable,
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# or when the library's dependencies are not available or not compatible.
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from ortools.constraint_solver import _pywrapcp
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from ortools.linear_solver import _pywraplp
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from ortools.algorithms import _pywrapknapsack_solver
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from ortools.graph import _pywrapgraph
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