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< title > Metadata — ONNX Runtime 1.2.0 documentation< / title >
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< p class = "admonition-title" > Note< / p >
< p > Click < a class = "reference internal" href = "#sphx-glr-download-auto-examples-plot-metadata-py" > < span class = "std std-ref" > here< / span > < / a > to download the full example code< / p >
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< div class = "sphx-glr-example-title section" id = "metadata" >
< span id = "sphx-glr-auto-examples-plot-metadata-py" > < / span > < h1 > Metadata< a class = "headerlink" href = "#metadata" title = "Permalink to this headline" > ¶< / a > < / h1 >
< p > ONNX format contains metadata related to how the
model was produced. It is useful when the model
is deployed to production to keep track of which
instance was used at a specific time.
Let’
logistic regression model trained with
< em > scikit-learn< / em > and converted with < em > sklearn-onnx< / em > .< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > from< / span > < span class = "nn" > onnxruntime.datasets< / span > < span class = "kn" > import< / span > < span class = "n" > get_example< / span >
< span class = "n" > example< / span > < span class = "o" > =< / span > < span class = "n" > get_example< / span > < span class = "p" > (< / span > < span class = "s2" > " logreg_iris.onnx" < / span > < span class = "p" > )< / span >
< span class = "kn" > import< / span > < span class = "nn" > onnx< / span >
< span class = "n" > model< / span > < span class = "o" > =< / span > < span class = "n" > onnx< / span > < span class = "o" > .< / span > < span class = "n" > load< / span > < span class = "p" > (< / span > < span class = "n" > example< / span > < span class = "p" > )< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " doc_string={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > doc_string< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " domain={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > domain< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " ir_version={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > ir_version< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " metadata_props={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > metadata_props< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " model_version={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > model_version< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " producer_name={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > producer_name< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " producer_version={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > model< / span > < span class = "o" > .< / span > < span class = "n" > producer_version< / span > < span class = "p" > ))< / span >
< / pre > < / div >
< / div >
< p class = "sphx-glr-script-out" > Out:< / p >
< div class = "sphx-glr-script-out highlight-none notranslate" > < div class = "highlight" > < pre > < span > < / span > doc_string=
domain=onnxml
ir_version=3
metadata_props=[]
model_version=0
producer_name=OnnxMLTools
producer_version=1.2.0.0116
< / pre > < / div >
< / div >
< p > With < em > ONNX Runtime< / em > :< / p >
< div class = "highlight-python notranslate" > < div class = "highlight" > < pre > < span > < / span > < span class = "kn" > from< / span > < span class = "nn" > onnxruntime< / span > < span class = "kn" > import< / span > < span class = "n" > InferenceSession< / span >
< span class = "n" > sess< / span > < span class = "o" > =< / span > < span class = "n" > InferenceSession< / span > < span class = "p" > (< / span > < span class = "n" > example< / span > < span class = "p" > )< / span >
< span class = "n" > meta< / span > < span class = "o" > =< / span > < span class = "n" > sess< / span > < span class = "o" > .< / span > < span class = "n" > get_modelmeta< / span > < span class = "p" > ()< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " custom_metadata_map={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > custom_metadata_map< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " description={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > description< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " domain={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > domain< / span > < span class = "p" > ,< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > domain< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " graph_name={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > graph_name< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " producer_name={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > producer_name< / span > < span class = "p" > ))< / span >
< span class = "k" > print< / span > < span class = "p" > (< / span > < span class = "s2" > " version={}" < / span > < span class = "o" > .< / span > < span class = "n" > format< / span > < span class = "p" > (< / span > < span class = "n" > meta< / span > < span class = "o" > .< / span > < span class = "n" > version< / span > < span class = "p" > ))< / span >
< / pre > < / div >
< / div >
< p class = "sphx-glr-script-out" > Out:< / p >
< div class = "sphx-glr-script-out highlight-none notranslate" > < div class = "highlight" > < pre > < span > < / span > custom_metadata_map={}
description=
domain=onnxml
graph_name=3c59201b940f410fa29dc71ea9d5767d
producer_name=OnnxMLTools
version=0
< / pre > < / div >
< / div >
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< p > < a class = "reference download internal" download = "" href = "../_downloads/7d69185b02f38811ad5d0593ec22c99d/plot_metadata.py" > < code class = "xref download docutils literal notranslate" > < span class = "pre" > Download< / span > < span class = "pre" > Python< / span > < span class = "pre" > source< / span > < span class = "pre" > code:< / span > < span class = "pre" > plot_metadata.py< / span > < / code > < / a > < / p >
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< p > < a class = "reference download internal" download = "" href = "../_downloads/ae37e1cd2f800a09b44216a88ac39d30/plot_metadata.ipynb" > < code class = "xref download docutils literal notranslate" > < span class = "pre" > Download< / span > < span class = "pre" > Jupyter< / span > < span class = "pre" > notebook:< / span > < span class = "pre" > plot_metadata.ipynb< / span > < / code > < / a > < / p >
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