The_Practice_of_Mechanical_Design/TREx
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rewrote web app with threading indication_driver

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paul-loedige 2023-01-19 05:10:05 +00:00
parent 5197c767b0
commit b61d514910
1 changed files with 12 additions and 10 deletions
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22
app.py
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@ -1,5 +1,4 @@
from flask import Flask, render_template, Response from flask import Flask, render_template, Response
import asyncio
from indication_driver import IndicationDriver from indication_driver import IndicationDriver
from camera_driver import CameraDriver from camera_driver import CameraDriver
@ -13,18 +12,21 @@ camera_driver = CameraDriver()
def stream(): def stream():
global indication_driver global indication_driver
global camera_driver global camera_driver
indication_task = None last_codes = []
while True: while True:
jpg, codes = camera_driver.get_decoded_frame(400, 800) jpg, codes = camera_driver.get_decoded_frame(400, 800)
trash_category = None if codes and not (set(codes) & set(last_codes)):
if codes: print(codes)
if indication_task is not None: trash_category = None
indication_driver.stop_loop() known_code = None
if codes[0] in config.BARCODE_LOOKUP_TABLE.keys(): for code in codes:
trash_category = config.BARCODE_LOOKUP_TABLE[codes[0]] known_code = code if code in config.BARCODE_LOOKUP_TABLE.keys() else known_code
indication_task = asyncio.create_task(indication_driver.indicate_async(trash_category)) if known_code:
trash_category = config.BARCODE_LOOKUP_TABLE[known_code]
indication_driver.indicate(trash_category)
else: else:
indication_driver.stop_loop() indication_driver.stop()
last_codes = codes
yield b'--frame\r\nContent-Type: image/jpeg\r\n\r\n' + jpg + b'\r\n\r\n' yield b'--frame\r\nContent-Type: image/jpeg\r\n\r\n' + jpg + b'\r\n\r\n'
@app.route('/') @app.route('/')