Merge pull request #3 from brentru/update-examples

Add/Update Examples

Author: brentru

examples/requests_advanced.py

@@ -0,0 +1,55 @@
+import board
+import busio
+from digitalio import DigitalInOut
+import adafruit_esp32spi.adafruit_esp32spi_socket as socket
+from adafruit_esp32spi import adafruit_esp32spi
+import adafruit_requests as requests
+
+# If you are using a board with pre-defined ESP32 Pins:
+esp32_cs = DigitalInOut(board.ESP_CS)
+esp32_ready = DigitalInOut(board.ESP_BUSY)
+esp32_reset = DigitalInOut(board.ESP_RESET)
+
+# If you have an externally connected ESP32:
+# esp32_cs = DigitalInOut(board.D9)
+# esp32_ready = DigitalInOut(board.D10)
+# esp32_reset = DigitalInOut(board.D5)
+
+spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
+esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
+
+print("Connecting to AP...")
+while not esp.is_connected:
+    try:
+        esp.connect_AP(b'MY_SSID_NAME', b'MY_SSID_PASSWORD')
+    except RuntimeError as e:
+        print("could not connect to AP, retrying: ",e)
+        continue
+print("Connected to", str(esp.ssid, 'utf-8'), "\tRSSI:", esp.rssi)
+
+# Initialize a requests object with a socket and esp32spi interface
+requests.set_socket(socket, esp)
+
+JSON_GET_URL = "http://httpbin.org/get"
+
+# Define a custom header as a dict.
+headers = {"user-agent" : "blinka/1.0.0"}
+
+print("Fetching JSON data from %s..."%JSON_GET_URL)
+response = requests.get(JSON_GET_URL, headers=headers)
+print('-'*60)
+
+json_data = response.json()
+headers = json_data['headers']
+print("Response's Custom User-Agent Header: {0}".format(headers['User-Agent']))
+print('-'*60)
+
+# Read Response's HTTP status code
+print("Response HTTP Status Code: ", response.status_code)
+print('-'*60)
+
+# Read Response, as raw bytes instead of pretty text
+print("Raw Response: ", response.content)
+
+# Close, delete and collect the response data
+response.close()

examples/requests_simpletest.py

@@ -6,12 +6,6 @@
 from adafruit_esp32spi import adafruit_esp32spi
 import adafruit_requests as requests
 
-print("ESP32 SPI webclient test")
-
-TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
-JSON_URL = "http://api.coindesk.com/v1/bpi/currentprice/USD.json"
-
-
 # If you are using a board with pre-defined ESP32 Pins:
 esp32_cs = DigitalInOut(board.ESP_CS)
 esp32_ready = DigitalInOut(board.ESP_BUSY)
@@ -24,7 +18,6 @@
 
 spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
 esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
-requests.set_socket(socket, esp)
 
 print("Connecting to AP...")
 while not esp.is_connected:
@@ -35,20 +28,47 @@
         continue
 print("Connected to", str(esp.ssid, 'utf-8'), "\tRSSI:", esp.rssi)
 
-#esp._debug = True
-print("Fetching text from", TEXT_URL)
-r = requests.get(TEXT_URL)
+# Initialize a requests object with a socket and esp32spi interface
+requests.set_socket(socket, esp)
+
+TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
+JSON_GET_URL = "http://httpbin.org/get"
+JSON_POST_URL = "http://httpbin.org/post"
+
+print("Fetching text from %s"%TEXT_URL)
+response = requests.get(TEXT_URL)
 print('-'*40)
-print(r.text)
+
+print("Text Response: ", response.text)
 print('-'*40)
-r.close()
+response.close()
 
-print()
-print("Fetching json from", JSON_URL)
-r = requests.get(JSON_URL)
+print("Fetching JSON data from %s"%JSON_GET_URL)
+response = requests.get(JSON_GET_URL)
 print('-'*40)
-print(r.json())
+
+print("JSON Response: ", response.json())
 print('-'*40)
-r.close()
+response.close()
 
-print("Done!")
+data = '31F'
+print("POSTing data to {0}: {1}".format(JSON_POST_URL, data))
+response = requests.post(JSON_POST_URL, data=data)
+print('-'*40)
+
+json_resp = response.json()
+# Parse out the 'data' key from json_resp dict.
+print("Data received from server:", json_resp['data'])
+print('-'*40)
+response.close()
+
+json_data = {"Date" : "July 25, 2019"}
+print("POSTing data to {0}: {1}".format(JSON_POST_URL, json_data))
+response = requests.post(JSON_POST_URL, json=json_data)
+print('-'*40)
+
+json_resp = response.json()
+# Parse out the 'json' key from json_resp dict.
+print("JSON Data received from server:", json_resp['json'])
+print('-'*40)
+response.close()