working

server.py

@@ -2,14 +2,14 @@ from flask import Flask, request
 import os
 import subprocess
 from colormap import rgb2hex
-from tenacity import wait_exponential, retry, stop_after_attempt
+from tenacity import retry, stop_after_attempt
 
 
 app = Flask(__name__)
 
 
 @app.route("/on")
-@retry(wait=wait_exponential(multiplier=2, min=2, max=30), stop=stop_after_attempt(5))
+@retry(stop=stop_after_attempt(5))
 def on():
     result = subprocess.run(
         [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n cc2333"],
@@ -24,7 +24,7 @@ def on():
 
 
 @app.route("/off")
-@retry(wait=wait_exponential(multiplier=2, min=2, max=30), stop=stop_after_attempt(5))
+@retry(stop=stop_after_attempt(5))
 def off():
     result = subprocess.run(
         [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n cc2433"],
@@ -39,7 +39,7 @@ def off():
 
 
 @app.route("/colour")
-@retry(wait=wait_exponential(multiplier=2, min=2, max=30), stop=stop_after_attempt(5))
+@retry(stop=stop_after_attempt(5))
 def hello():
     # a = request.query_string
     r = int(request.args.get("r"))
@@ -49,18 +49,13 @@ def hello():
     hex = hex.replace("#", "")
 
     str = "56" + hex + "00f0aa"
-    try:
-        result = subprocess.run(
-            [
-                f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n {str}"
-            ],
-            stdout=subprocess.PIPE,
-            shell=True,
-        ).stdout.decode("utf-8")
-        print(result)
-        if "Characteristic value was written successfully" not in result:
-            raise Exception
-        else:
-            return request.query_string
-    except:
+    result = subprocess.run(
+        [f"gatttool -i hci0 -b b2:3b:03:00:14:d6 --char-write-req -a 0x0009 -n {str}"],
+        stdout=subprocess.PIPE,
+        shell=True,
+    ).stdout.decode("utf-8")
+    print(result)
+    if "Characteristic value was written successfully" not in result:
         raise Exception
+    else:
+        return request.query_string