Merge pull request #22 from brentru/update-examples-for-ethernet

Add Simpletest for Ethernet Library

Author: brentru

examples/requests_advanced_ethernet.py

@@ -0,0 +1,53 @@
+import board
+import busio
+from digitalio import DigitalInOut
+from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
+import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket
+import adafruit_requests as requests
+
+cs = DigitalInOut(board.D10)
+spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
+
+# Initialize ethernet interface with DHCP
+eth = WIZNET5K(spi_bus, cs)
+
+# Initialize a requests object with a socket and ethernet interface
+requests.set_socket(socket, eth)
+
+JSON_GET_URL = "http://httpbin.org/get"
+
+attempts = 3 # Number of attempts to retry each request
+failure_count = 0
+response = None
+
+# Define a custom header as a dict.
+headers = {"user-agent" : "blinka/1.0.0"}
+
+print("Fetching JSON data from %s..."%JSON_GET_URL)
+while not response:
+    try:
+        response = requests.get(JSON_GET_URL, headers=headers)
+        failure_count = 0
+    except AssertionError as error:
+        print("Request failed, retrying...\n", error)
+        failure_count += 1
+        if failure_count >= attempts:
+            raise AssertionError("Failed to resolve hostname, \
+                                  please check your router's DNS configuration.")
+        continue
+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_ethernet.py

@@ -0,0 +1,104 @@
+import board
+import busio
+from digitalio import DigitalInOut
+from adafruit_wiznet5k.adafruit_wiznet5k import WIZNET5K
+import adafruit_wiznet5k.adafruit_wiznet5k_socket as socket
+import adafruit_requests as requests
+
+cs = DigitalInOut(board.D10)
+spi_bus = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
+
+# Initialize ethernet interface with DHCP
+eth = WIZNET5K(spi_bus, cs)
+
+# Initialize a requests object with a socket and ethernet interface
+requests.set_socket(socket, eth)
+
+TEXT_URL = "http://wifitest.adafruit.com/testwifi/index.html"
+JSON_GET_URL = "http://httpbin.org/get"
+JSON_POST_URL = "http://httpbin.org/post"
+
+attempts = 3 # Number of attempts to retry each request
+failure_count = 0
+response = None
+
+print("Fetching text from %s"%TEXT_URL)
+while not response:
+    try:
+        response = requests.get(TEXT_URL)
+        failure_count = 0
+    except AssertionError as error:
+        print("Request failed, retrying...\n", error)
+        failure_count += 1
+        if failure_count >= attempts:
+            raise AssertionError("Failed to resolve hostname, \
+                                  please check your router's DNS configuration.")
+        continue
+print('-'*40)
+
+print("Text Response: ", response.text)
+print('-'*40)
+response.close()
+response = None
+
+print("Fetching JSON data from %s"%JSON_GET_URL)
+while not response:
+    try:
+        response = requests.get(JSON_GET_URL)
+        failure_count = 0
+    except AssertionError as error:
+        print("Request failed, retrying...\n", error)
+        failure_count += 1
+        if failure_count >= attempts:
+            raise AssertionError("Failed to resolve hostname, \
+                                  please check your router's DNS configuration.")
+        continue
+print('-'*40)
+
+print("JSON Response: ", response.json())
+print('-'*40)
+response.close()
+response = None
+
+data = '31F'
+print("POSTing data to {0}: {1}".format(JSON_POST_URL, data))
+while not response:
+    try:
+        response = requests.post(JSON_POST_URL, data=data)
+        failure_count = 0
+    except AssertionError as error:
+        print("Request failed, retrying...\n", error)
+        failure_count += 1
+        if failure_count >= attempts:
+            raise AssertionError("Failed to resolve hostname, \
+                                  please check your router's DNS configuration.")
+        continue
+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()
+response = None
+
+json_data = {"Date" : "July 25, 2019"}
+print("POSTing data to {0}: {1}".format(JSON_POST_URL, json_data))
+while not response:
+    try:
+        response = requests.post(JSON_POST_URL, json=json_data)
+        failure_count = 0
+    except AssertionError as error:
+        print("Request failed, retrying...\n", error)
+        failure_count += 1
+        if failure_count >= attempts:
+            raise AssertionError("Failed to resolve hostname, \
+                                  please check your router's DNS configuration.")
+        continue
+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()