graph/test/test.py

#!/bin/env python3

import requests
from math import sin
from time import sleep
import numpy as np
import pyaudio

def sine():
  x = 0.0
  while True:
    requests.get(f"http://localhost:8080/add?chart=0&series=R1&x={x}&y={sin(x)}")
    x += 0.01
    sleep(0.01)

def sine_array():
  start = 0
  while True:
    x = np.linspace(start, start+0.5, 100)
    y = np.sin(x)

    start += 0.5

    data = {
      "chart": 0,
      "series": "R1",
      "points": [ {"x": i[0], "y":i[1]} for i in zip(x,y) ]
    }

    r = requests.post("http://0.0.0.0:8080/add", json=data, headers={"Connection":"close"})
    sleep(0.25)

def star():
  points = [
    (2,2),
    (3,0),
    (0,1),
    (4,1),
    (1,0),
    (2,2)
  ]
  for point in points:
    requests.get(f"http://localhost:8080/add?chart=0&series=R1&x={point[0]}&y={point[1]}")


def audio():
  p = pyaudio.PyAudio()
  stream = p.open(
    input=True,
    input_device_index=0,
    format=pyaudio.paInt16,
    channels=1,
    rate=44100,
    frames_per_buffer=1024
  )
  stream.start_stream()
  while True:
    try:
      data = stream.read(1024, False)
      requests.post(
        "http://0.0.0.0:8080/add",
        json={
          "chart": 0,
          "series": "audio",
          "points": [ {"x": i, "y": v} for (i, v) in enumerate(data) ]
        },
        headers={"Connection":"close"})
    except KeyboardInterrupt:
      break

  stream.stop_stream()
  stream.close()
  p.terminate()

def main():
  #sine()
  # sine_array()
  #star()
  audio()

if __name__ == "__main__":
  main()