198 lines
6.9 KiB
Plaintext
198 lines
6.9 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"id": "google",
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"metadata": {},
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"source": [
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"##### Copyright 2022 Google LLC."
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]
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},
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{
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"cell_type": "markdown",
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"id": "apache",
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"metadata": {},
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"source": [
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"Licensed under the Apache License, Version 2.0 (the \"License\");\n",
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"you may not use this file except in compliance with the License.\n",
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"You may obtain a copy of the License at\n",
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"\n",
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" http://www.apache.org/licenses/LICENSE-2.0\n",
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"\n",
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"Unless required by applicable law or agreed to in writing, software\n",
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"distributed under the License is distributed on an \"AS IS\" BASIS,\n",
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"WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n",
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"See the License for the specific language governing permissions and\n",
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"limitations under the License.\n"
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]
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},
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{
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"cell_type": "markdown",
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"id": "basename",
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"metadata": {},
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"source": [
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"# check_dependencies"
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]
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},
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{
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"cell_type": "markdown",
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"id": "link",
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"metadata": {},
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"source": [
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"<table align=\"left\">\n",
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"<td>\n",
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"<a href=\"https://colab.research.google.com/github/google/or-tools/blob/main/examples/notebook/contrib/check_dependencies.ipynb\"><img src=\"https://raw.githubusercontent.com/google/or-tools/main/tools/colab_32px.png\"/>Run in Google Colab</a>\n",
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"</td>\n",
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"<td>\n",
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"<a href=\"https://github.com/google/or-tools/blob/main/examples/contrib/check_dependencies.py\"><img src=\"https://raw.githubusercontent.com/google/or-tools/main/tools/github_32px.png\"/>View source on GitHub</a>\n",
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"</td>\n",
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"</table>"
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]
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},
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{
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"cell_type": "markdown",
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"id": "doc",
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"metadata": {},
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"source": [
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"First, you must install [ortools](https://pypi.org/project/ortools/) package in this colab."
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "install",
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"metadata": {},
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"outputs": [],
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"source": [
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"!pip install ortools"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"id": "code",
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"metadata": {},
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"outputs": [],
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"source": [
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"import logging, sys, inspect\n",
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"from os.path import dirname, abspath\n",
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"from optparse import OptionParser\n",
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"\n",
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"\n",
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"def log_error_and_exit(error_message):\n",
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" logging.error(error_message)\n",
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" raise SystemExit\n",
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"\n",
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"\n",
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"#try to import setuptools\n",
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"try:\n",
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" from setuptools import setup, Extension\n",
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" from setuptools.command import easy_install\n",
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"except ImportError:\n",
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" log_error_and_exit(\"\"\"setuptools is not installed for \\\"\"\"\" + sys.executable +\n",
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" \"\"\"\\\"\n",
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"Follow this link for installing instructions :\n",
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"https://pypi.python.org/pypi/setuptools\n",
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"make sure you use \\\"\"\"\" + sys.executable + \"\"\"\\\" during the installation\"\"\")\n",
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"\n",
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"from pkg_resources import parse_version\n",
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"\n",
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"\n",
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"def notinstalled(modulename):\n",
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" return modulename + \"\"\" could not be imported for \\\"\"\"\" + sys.executable + \"\"\"\\\"\n",
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"Set PYTHONPATH to the output of this command \\\"make print-OR_TOOLS_PYTHONPATH\\\" before running the examples\"\"\"\n",
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"\n",
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"\n",
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"def wrong_module(module_file, modulename):\n",
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" return \"\"\"\n",
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"The python examples are not importing the \"\"\" + modulename + \"\"\" module from the sources.\n",
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"Remove the site-package that contains \\\"\"\"\" + module_file + \"\"\"\\\", either manually or by using pip, and rerun this script again.\"\"\"\n",
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"\n",
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"\n",
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"# Returns the n_th parent of file\n",
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"def n_dirname(n, file):\n",
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" directory = file\n",
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" for x in range(0, n):\n",
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" directory = dirname(directory)\n",
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" return directory\n",
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"\n",
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"\n",
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"parser = OptionParser(\"Log level\")\n",
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"parser.add_option(\n",
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" \"-l\",\n",
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" \"--log\",\n",
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" type=\"string\",\n",
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" help=\n",
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" \"Available levels are CRITICAL (3), ERROR (2), WARNING (1), INFO (0), DEBUG (-1)\",\n",
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" default=\"INFO\")\n",
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"options, args = parser.parse_args()\n",
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"\n",
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"try:\n",
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" loglevel = getattr(logging, options.log.upper())\n",
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"except AttributeError:\n",
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" loglevel = {\n",
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" 3: logging.CRITICAL,\n",
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" 2: logging.ERROR,\n",
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" 1: logging.WARNING,\n",
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" 0: logging.INFO,\n",
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" -1: logging.DEBUG,\n",
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" }[int(options.log)]\n",
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"\n",
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"logging.basicConfig(\n",
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" format=\"[%(levelname)s] %(message)s\", stream=sys.stdout, level=loglevel)\n",
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"\n",
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"logging.info(\"Python path : \" + sys.executable)\n",
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"logging.info(\"Python version : \" + sys.version)\n",
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"logging.info(\"sys.path : \" + str(sys.path))\n",
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"ortools_project_path = n_dirname(\n",
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" 3, abspath(inspect.getfile(inspect.currentframe())))\n",
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"\n",
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"#try to import ortools\n",
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"try:\n",
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" import ortools\n",
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"except ImportError:\n",
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" logging.error(notinstalled(\"ortools\"))\n",
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" raise SystemExit\n",
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"\n",
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"#check if we're using ortools from the sources or it's binded by pypi's module\n",
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"ortools_module_file = inspect.getfile(ortools)\n",
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"ortools_module_path = n_dirname(3, ortools_module_file)\n",
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"if (ortools_module_path == ortools_project_path):\n",
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" logging.info(\"Or-tools is imported from : \" + ortools_module_file)\n",
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"else:\n",
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" log_error_and_exit(wrong_module(ortools_module_file, \"ortools\"))\n",
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"\n",
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"# Check if python can load the libraries' modules\n",
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"# this is useful when the library architecture is not compatbile with the python executable,\n",
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"# or when the library's dependencies are not available or not compatible.\n",
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"from ortools.constraint_solver import _pywrapcp\n",
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"from ortools.linear_solver import _pywraplp\n",
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"from ortools.algorithms import _pywrapknapsack_solver\n",
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"from ortools.graph import _pywrapgraph\n",
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"\n",
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"#try to import protobuf\n",
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"try:\n",
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" import google.protobuf\n",
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"except ImportError:\n",
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" log_error_and_exit(notinstalled(\"protobuf\"))\n",
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"\n",
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"#check if we're using protobuf from the sources or it's binded by pypi's module\n",
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"protobuf_module_file = inspect.getfile(google.protobuf)\n",
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"protobuf_module_path = n_dirname(7, protobuf_module_file)\n",
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"if (protobuf_module_path == ortools_project_path):\n",
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" logging.info(\"Protobuf is imported from : \" + protobuf_module_file)\n",
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"else:\n",
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" log_error_and_exit(wrong_module(protobuf_module_file, \"protobuf\"))\n",
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"\n",
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"#Check if the protobuf modules were successfully generated\n",
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"from google.protobuf import descriptor as _descriptor\n",
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"from google.protobuf import descriptor_pb2\n",
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"\n"
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]
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}
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],
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"metadata": {},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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