fix request json - add aio post example

Author: jerryneedell

adafruit_espatcontrol/adafruit_espatcontrol_requests.py

@@ -122,7 +122,7 @@ def request(method, url, data=None, json=None, headers=None, stream=None):
             sock.write(b"Content-Length: %d\r\n" % len(data))
         sock.write(b"\r\n")
         if data:
-            sock.write(data)
+            sock.write(bytes(data,'utf-8'))
 
         line = sock.readline()
         #print(line)

examples/espatcontrol_aio_post.py

@@ -0,0 +1,65 @@
+import time
+import board
+import busio
+from digitalio import DigitalInOut
+from adafruit_espatcontrol import adafruit_espatcontrol
+from adafruit_espatcontrol import adafruit_espatcontrol_requests as requests
+
+
+# Get wifi details and more from a settings.py file
+try:
+    from settings import settings
+except ImportError:
+    print("WiFi settings are kept in settings.py, please add them there!")
+    raise
+
+
+# With a Metro or Feather M4
+resetpin = DigitalInOut(board.D5)
+rtspin = DigitalInOut(board.D9)
+uart = busio.UART(board.TX, board.RX, timeout=0.1)
+
+# With a Particle Argon
+"""
+RX = board.ESP_TX
+TX = board.ESP_RX
+resetpin = DigitalInOut(board.ESP_WIFI_EN)
+rtspin = DigitalInOut(board.ESP_CTS)
+uart = busio.UART(TX, RX, timeout=0.1)
+esp_boot = DigitalInOut(board.ESP_BOOT_MODE)
+from digitalio import Direction
+esp_boot.direction = Direction.OUTPUT
+esp_boot.value = True
+"""
+
+
+esp = adafruit_espatcontrol.ESP_ATcontrol(uart, 115200, reset_pin=resetpin,
+                                          run_baudrate = 460800, rts_pin=rtspin, debug=True)
+print("Resetting ESP module")
+esp.hard_reset()
+requests.set_interface(esp)
+
+print("Connected to AT software version", esp.get_version())
+
+counter = 0
+while True:
+    try:
+        # Connect to WiFi if not already
+        while not esp.is_connected:
+            print("Connecting...")
+            esp.connect(settings)
+        print("Connected to", esp.remote_AP)
+        # great, lets get the data
+        print("Posting data...", end='')
+        data=counter
+        feed='test'
+        payload={'value':data}
+        response=requests.post("https://io.adafruit.com/api/v2/"+settings['aio_username']+"/feeds/"+feed+"/data",json=payload,headers={bytes("X-AIO-KEY","utf-8"):bytes(settings['aio_key'],"utf-8")})
+        print(response.json())
+        response.close()
+        counter = counter + 1
+        print("OK")
+    except (RuntimeError, adafruit_espatcontrol.OKError) as e:
+        print("Failed to get data, retrying\n", e)
+        continue
+    response = None

examples/espatcontrol_settings.py

@@ -6,5 +6,6 @@
     'password' : 'my password',
     'timezone' : -5, # this is offset from UTC
     'github_token' : 'abcdefghij0123456789',
-    'aio_feed_webhook' : 'abcdefghij0123456789',
+    'aio_username' : 'myusername',
+    'aio_key' : 'abcdefghij0123456789',
 }