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Only encode to JSON once when serializing a Python model (#2178)

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tomsutch 2022-05-25 12:39:10 +01:00 committed by GitHub
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2 changed files with 4 additions and 6 deletions
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5
docs/_docs/additional_topics.md
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@ -36,14 +36,13 @@ In Python, models should not be saved with pickle; the Stan backend attached to
```python ```python
# Python # Python
import json
from prophet.serialize import model_to_json, model_from_json from prophet.serialize import model_to_json, model_from_json
with open('serialized_model.json', 'w') as fout: with open('serialized_model.json', 'w') as fout:
json.dump(model_to_json(m), fout) # Save model fout.write(model_to_json(m)) # Save model
with open('serialized_model.json', 'r') as fin: with open('serialized_model.json', 'r') as fin:
m = model_from_json(json.load(fin)) # Load model m = model_from_json(fin.read()) # Load model
``` ```
The json file will be portable across systems, and deserialization is backwards compatible with older versions of prophet. The json file will be portable across systems, and deserialization is backwards compatible with older versions of prophet.

5
notebooks/additional_topics.ipynb
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@ -122,14 +122,13 @@
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
"import json\n",
"from prophet.serialize import model_to_json, model_from_json\n", "from prophet.serialize import model_to_json, model_from_json\n",
"\n", "\n",
"with open('serialized_model.json', 'w') as fout:\n", "with open('serialized_model.json', 'w') as fout:\n",
" json.dump(model_to_json(m), fout) # Save model\n", " fout.write(model_to_json(m)) # Save model\n",
"\n", "\n",
"with open('serialized_model.json', 'r') as fin:\n", "with open('serialized_model.json', 'r') as fin:\n",
" m = model_from_json(json.load(fin)) # Load model" " m = model_from_json(fin.read()) # Load model"
] ]
}, },
{ {