{
  "cells": [
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "%matplotlib inline"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "\nMetadata\n========\n\nONNX format contains metadata related to how the\nmodel was produced. It is useful when the model\nis deployed to production to keep track of which\ninstance was used at a specific time.\nLet's see how to do that with a simple \nlogistic regression model trained with\n*scikit-learn* and converted with *sklearn-onnx*.\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "from onnxruntime.datasets import get_example\nexample = get_example(\"logreg_iris.onnx\")\n\nimport onnx\nmodel = onnx.load(example)\n\nprint(\"doc_string={}\".format(model.doc_string))\nprint(\"domain={}\".format(model.domain))\nprint(\"ir_version={}\".format(model.ir_version))\nprint(\"metadata_props={}\".format(model.metadata_props))\nprint(\"model_version={}\".format(model.model_version))\nprint(\"producer_name={}\".format(model.producer_name))\nprint(\"producer_version={}\".format(model.producer_version))"
      ]
    },
    {
      "cell_type": "markdown",
      "metadata": {},
      "source": [
        "With *ONNX Runtime*:\n\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "collapsed": false
      },
      "outputs": [],
      "source": [
        "from onnxruntime import InferenceSession\nsess = InferenceSession(example)\nmeta = sess.get_modelmeta()\n\nprint(\"custom_metadata_map={}\".format(meta.custom_metadata_map))\nprint(\"description={}\".format(meta.description))\nprint(\"domain={}\".format(meta.domain, meta.domain))\nprint(\"graph_name={}\".format(meta.graph_name))\nprint(\"producer_name={}\".format(meta.producer_name))\nprint(\"version={}\".format(meta.version))"
      ]
    }
  ],
  "metadata": {
    "kernelspec": {
      "display_name": "Python 3",
      "language": "python",
      "name": "python3"
    },
    "language_info": {
      "codemirror_mode": {
        "name": "ipython",
        "version": 3
      },
      "file_extension": ".py",
      "mimetype": "text/x-python",
      "name": "python",
      "nbconvert_exporter": "python",
      "pygments_lexer": "ipython3",
      "version": "3.6.4"
    }
  },
  "nbformat": 4,
  "nbformat_minor": 0
}