Added HTTP export, massive README update, improved error checking, added commandline options

Dockerfile

@@ -1,7 +1,5 @@
 FROM python:3
 
-ENV IS_DOCKER True
-
 WORKDIR /usr/src/sungather
 
 COPY requirements.txt ./
@@ -10,4 +8,4 @@ RUN pip install --no-cache-dir --upgrade -r requirements.txt
 COPY SunGather/ .
 RUN touch /config/config.yaml
 
-CMD [ "python", "sungather.py" ]
+CMD [ "python", "sungather.py -c /config/config.yaml" ]

SunGather/config-example.yaml

@@ -20,6 +20,10 @@ exports:
   - name: console   # Print Registers to console, good for debugging / troubleshooting
     enabled: False
 
+  - name: http
+    enabled: True   # Access at http://localhost:8080 or http://[serverip]:8080
+    # port: 8080    # Default port is 8080
+
   - name: mqtt      # Publish Registers to MQTT / Home Assistant
     host: 192.168.1.200
     # port: 1883

SunGather/exports/http.py

@@ -0,0 +1,40 @@
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from socketserver import ThreadingMixIn
+from threading import Thread
+
+import logging
+
+class export_http(object):
+    html_body = "Pending Data retrieval"
+    def __init__(self):
+        return
+
+    # Configure HTTP
+    def configure(self, config):
+        self.webServer = HTTPServer(('localhost', config.get('port',8080)), MyServer)
+        t = Thread(target=self.webServer.serve_forever)
+        t.start()
+        logging.info("Configured Simple HTTP Server")
+
+    def publish(self, inverter):
+        #global html_body
+
+        body = "<table><tr><th>Register</th><th>Value</th>"
+        for register in inverter:
+            body = body + f"<tr><td>{register}</td><td>{inverter.get(register)}</td></tr>"
+        export_http.html_body = body + f"</table><p>Total {len(inverter)} registers"
+        print("Publish HTTP")
+        return
+
+class MyServer(BaseHTTPRequestHandler):
+    def do_GET(self):
+        self.send_response(200)
+        self.send_header("Content-type", "text/html")
+        self.end_headers()
+        self.wfile.write(bytes("<html><head><title>SunGather</title><meta http-equiv='refresh' content='15'></head>", "utf-8"))
+        self.wfile.write(bytes("<body>", "utf-8"))
+        self.wfile.write(bytes(export_http.html_body, "utf-8"))
+        self.wfile.write(bytes("</table>", "utf-8"))
+        self.wfile.write(bytes("</body></html>", "utf-8"))
+    def log_message(self, format, *args):
+        pass

SunGather/version.py

@@ -1 +1 @@
-__version__ = '0.1.0'
+__version__ = '0.1.1'

requirements.txt

@@ -3,4 +3,4 @@ requests>=2.26.0
 paho-mqtt>=1.5.1
 pymodbus>=2.4.0
 SungrowModbusTcpClient>=0.1.5
-SungrowModbusWebClient>=0.2.5
+SungrowModbusWebClient>=0.2.6