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integrate install_python_dependencies in python + use protobuf from sources

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This commit is contained in:
Driss Lahlou
2017-01-02 20:53:18 +01:00
parent e931aca52f
commit 923cf07b68
5 changed files with 57 additions and 49 deletions
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46
examples/python/check_dependencies.py
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@@ -2,16 +2,19 @@ import logging, sys, inspect
from os.path import dirname, abspath
from optparse import OptionParser
def log_error_and_exit(error_message):
logging.error(error_message)
raise SystemExit
#try to import setuptools
try:
from setuptools import setup, Extension
from setuptools.command import easy_install
except ImportError:
raise ImportError("""setuptools is not installed for \"""" + sys.executable + """\"
log_error_and_exit("""setuptools is not installed for \"""" + sys.executable + """\"
Follow this link for installing instructions :
https://pypi.python.org/pypi/setuptools
make sure you use \"""" + sys.executable + """\" during the installation""")
raise SystemExit
from pkg_resources import parse_version
@@ -24,10 +27,6 @@ def wrong_module(module_file, modulename):
The python examples are not importing the """ + modulename + """ module from the sources.
Remove the site-package that contains \"""" + module_file + """\", either manually or by using pip, and rerun this script again."""
def log_error_and_exit(error_message):
logging.error(error_message)
raise SystemExit
# Returns the n_th parent of file
def n_dirname(n, file):
directory = file
@@ -54,6 +53,8 @@ if __name__ == '__main__':
logging.info("Python path : " + sys.executable)
logging.info("Python version : " + sys.version)
logging.info("sys.path : " + str(sys.path))
ortools_project_path = n_dirname(3, abspath(inspect.getfile(inspect.currentframe())))
#try to import ortools
try:
@@ -65,22 +66,11 @@ if __name__ == '__main__':
#check if we're using ortools from the sources or it's binded by pypi's module
ortools_module_file = inspect.getfile(ortools)
ortools_module_path = n_dirname(3, ortools_module_file)
ortools_project_path = n_dirname(3, abspath(inspect.getfile(inspect.currentframe())))
try:
if(ortools_module_path == ortools_project_path):
logging.info("Good! The python examples are importing the ortools module from the sources. The imported module is : " + inspect.getfile(ortools))
else:
raise Exception
except (Exception):
if(ortools_module_path == ortools_project_path):
logging.info("Or-tools is imported from : " + ortools_module_file)
else:
log_error_and_exit(wrong_module(ortools_module_file, "ortools"))
#try to import protobuf
try:
import google.protobuf
logging.info("Protobuf is imported from " + inspect.getfile(google.protobuf))
except ImportError:
log_error_and_exit(notinstalled("protobuf"))
# Check if python can load the libraries' modules
# this is useful when the library architecture is not compatbile with the python executable,
# or when the library's dependencies are not available or not compatible.
@@ -89,4 +79,20 @@ if __name__ == '__main__':
from ortools.algorithms import _pywrapknapsack_solver
from ortools.graph import _pywrapgraph
#try to import protobuf
try:
import google.protobuf
except ImportError:
log_error_and_exit(notinstalled("protobuf"))
#check if we're using protobuf from the sources or it's binded by pypi's module
protobuf_module_file = inspect.getfile(google.protobuf)
protobuf_module_path = n_dirname(7, protobuf_module_file)
if(protobuf_module_path == ortools_project_path):
logging.info("Protobuf is imported from : " + protobuf_module_file)
else:
log_error_and_exit(wrong_module(protobuf_module_file, "protobuf"))
#Check if the protobuf modules were successfully generated
from google.protobuf import descriptor as _descriptor
from google.protobuf import descriptor_pb2