https://github.com/pinto0309/onnx2json

Exports the ONNX file to a JSON file and JSON dict.
https://github.com/pinto0309/onnx2json

cli converter json model-converter onnx python

Last synced: 3 months ago
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Exports the ONNX file to a JSON file and JSON dict.

• Host: GitHub
• URL: https://github.com/pinto0309/onnx2json
• Owner: PINTO0309
• License: mit
• Created: 2021-04-25T14:07:35.000Z (almost 4 years ago)
• Default Branch: main
• Last Pushed: 2023-01-25T22:53:30.000Z (about 2 years ago)
• Last Synced: 2024-10-03T12:40:17.527Z (4 months ago)
• Topics: cli, converter, json, model-converter, onnx, python
• Language: Python
• Homepage:
• Size: 37.1 KB
• Stars: 32
• Watchers: 4
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# onnx2json

Exports the ONNX file to a JSON file and JSON dict. Click here for **[json2onnx](https://github.com/PINTO0309/json2onnx)**.

https://github.com/PINTO0309/simple-onnx-processing-tools

[![PyPI - Downloads](https://img.shields.io/pypi/dm/onnx2json?color=2BAF2B&label=Downloads%EF%BC%8FInstalled)](https://pypistats.org/packages/onnx2json) ![GitHub](https://img.shields.io/github/license/PINTO0309/onnx2json?color=2BAF2B) [![PyPI](https://img.shields.io/pypi/v/onnx2json?color=2BAF2B)](https://pypi.org/project/onnx2json/)



  



## 1. Setup

### 1-1. HostPC

```bash

### option

$ echo export PATH="~/.local/bin:$PATH" >> ~/.bashrc \

&& source ~/.bashrc

### run

$ pip install -U onnx protobuf \

&& python3 -m pip install -U onnx_graphsurgeon --index-url https://pypi.ngc.nvidia.com \

&& pip install -U onnx2json

```

### 1-2. Docker

https://github.com/PINTO0309/simple-onnx-processing-tools#docker

## 2. CLI Usage

```

usage:

  onnx2json [-h]

  -if INPUT_ONNX_FILE_PATH

  -oj OUTPUT_JSON_PATH

  [-i JSON_INDENT]

optional arguments:

  -h, --help

      show this help message and exit

  -if INPUT_ONNX_FILE_PATH, --input_onnx_file_path INPUT_ONNX_FILE_PATH

      Input ONNX model path. (*.onnx)

  -oj OUTPUT_JSON_PATH, --output_json_path OUTPUT_JSON_PATH

      Output JSON file path (*.json) If not specified, no JSON file is output.

  -i JSON_INDENT, --json_indent JSON_INDENT

      Number of indentations in JSON. (default=2)

```

## 3. In-script Usage

```python

>>> from onnx2json import convert

>>> help(convert)

Help on function convert in module onnx2json.onnx2json:

convert(

  input_onnx_file_path: Union[str, NoneType] = '',

  onnx_graph: Union[onnx.onnx_ml_pb2.ModelProto, NoneType] = None,

  output_json_path: Union[str, NoneType] = '',

  json_indent: Union[int, NoneType] = 2

)

    Parameters

    ----------

    input_onnx_file_path: Optional[str]

        Input onnx file path.

        Either input_onnx_file_path or onnx_graph must be specified.

        Default: ''

    onnx_graph: Optional[onnx.ModelProto]

        onnx.ModelProto.

        Either input_onnx_file_path or onnx_graph must be specified.

        onnx_graph If specified, ignore input_onnx_file_path and process onnx_graph.

    output_json_path: Optional[str]

        Output JSON file path (*.json) If not specified, no JSON file is output.

        Default: ''

    json_indent: Optional[int]

        Number of indentations in JSON.

        Default: 2

    Returns

    -------

    onnx_json: dict

        Converted JSON dict.

```

## 4. CLI Execution

```bash

$ onnx2json \

--input_onnx_file_path NonMaxSuppression.onnx \

--output_json_path NonMaxSuppression.json \

--json_indent 2

```

## 5. In-script Execution

```python

from onnx2json import convert

onnx_json = convert(

  input_onnx_file_path="NonMaxSuppression.onnx",

  output_json_path="NonMaxSuppression.json",

  json_indent=2,

)

# or

onnx_json = convert(

  onnx_graph=graph,

)

```

## 6. Issues

https://github.com/PINTO0309/simple-onnx-processing-tools/issues