add an advanced usage example and lint

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

@@ -71,4 +71,4 @@
 # Parse out the 'json' key from json_resp dict.
 print("JSON Data received from server:", json_resp['json'])
 print('-'*40)
-response.close()
+response.close()