Adafruit AirLift Shield ESP32 - HTTP POST with Requests

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into a variable named response .

While we requested data from the server, we'd what the server responded with. Since we already saved

the server's response , we can read it back. Luckily for us, requests automatically decodes the server's

response into human-readable text, you can read it back by calling response.text .

Lastly, we'll perform a bit of cleanup by calling response.close() . This closes, deletes, and collect's the

response's data.

print("Fetching text from %s"%TEXT_URL)

response = requests.get(TEXT_URL)

print('-'*40)

print("Text Response: ", response.text)

print('-'*40)

response.close()

While some servers respond with text, some respond with json-formatted data consisting of attribute–

value pairs.

CircuitPython_Requests can convert a JSON-formatted response from a server into a CPython dict.

object.

We can also fetch and parse json data. We'll send a HTTP get to a url we know returns a json-formatted

response (instead of text data).

Then, the code calls response.json() to convert the response to a CPython dict .

print("Fetching JSON data from %s"%JSON_GET_URL)

response = requests.get(JSON_GET_URL)

print('-'*40)

print("JSON Response: ", response.json())

print('-'*40)

response.close()

HTTP POST with Requests

Requests can also POST data to a server by calling the requests.post method, passing it a data value.

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()

You can also post json-formatted data to a server by passing json data into the requests.post method.