PyCafe - Streamlit - Parse JSON Data with Streamlit and Jiter

app.py
jiter-0.6.1-cp311-cp311-emscripten_3_1_46_wasm32.whl
jiter-0.6.1-cp312-cp312-pyodide_2024_0_wasm32.whl
requirements.txt

app.py

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import streamlit as st
import jiter

# based on https://github.com/pydantic/jiter/tree/main/crates/jiter-python

json_data = b'{"name": "John", "age": 30}'
parsed_data = jiter.from_json(json_data)
st.write(parsed_data)  # Output: {'name': 'John', 'age': 30}

partial_json = b'{"name": "John", "age": 30, "city": "New Yor'

# Raise error on incomplete JSON
try:
    jiter.from_json(partial_json, partial_mode=False)
except ValueError as e:
    print(f"Error: {e}")

# Parse incomplete JSON, discarding incomplete last field
result = jiter.from_json(partial_json, partial_mode=True)
st.write(result)  # Output: {'name': 'John', 'age': 30}

# Parse incomplete JSON, including incomplete last field
result = jiter.from_json(partial_json, partial_mode='trailing-strings')
st.write(result)  # Output: {'name': 'John', 'age': 30, 'city': 'New Yor'}

requirements.txt

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streamlit==1.27.2  # currently pinned to this version
jiter @ https://py.cafe/files/maartenbreddels/jiter-demo/jiter-0.6.1-cp312-cp312-pyodide_2024_0_wasm32.whl
# older pyodide (v0.25.1) might want to use
# https://py.cafe/files/maartenbreddels/jiter-example/jiter-0.6.1-cp311-cp311-emscripten_3_1_46_wasm32.whl
openai