ESP32CAM receive POST requests with Python

Projects Interfacing w/ Software on the Computer
1

Hi all,

I am making a project that uses ESP32 camera and image processing with Python. I need to send a post request with some data in it to the camera. My code is the following:

AsyncWebServer server(82);

...

server.on("/data", HTTP_POST, [](AsyncWebServerRequest * request){}, NULL,
            [](AsyncWebServerRequest * request, uint8_t *data, size_t len, size_t index, size_t total) {
    Serial.println("POST request received");
    StaticJsonDocument<20> JSONBuffer;
    deserializeJson(JSONBuffer, data);
    JsonObject obj = JSONBuffer.as<JsonObject>();
    String response = obj["data"];
    assignResponse(response);
    request->send(200, "text/plain", "Data from esp32cam image processing");
  });

  Serial.println(response);

  server.begin();

...

requests.post('{IP_address}/data', data = "{'data': 'yes'}")

Since I use an async web server, the serial prints first the empty variable response and then when the response comes it is assigned. I need to access the response variable after the request. Do I need to use some kind of a normal Wifi/Web server or is there a simple way to handle that post request to the esp camera?

2

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