completed bmminer api and moved APIs to package

API/__init__.py

@@ -0,0 +1,59 @@
+import asyncio
+import json
+
+
+class APIError(Exception):
+    def __init__(self, *args):
+        if args:
+            self.message = args[0]
+        else:
+            self.message = None
+
+    def __str__(self):
+        if self.message:
+            return f"{self.message}"
+        else:
+            return "Incorrect API parameters."
+
+
+class BaseMinerAPI:
+    def __init__(self, ip, port):
+        self.port = port
+        self.ip = ip
+
+    async def send_command(self, command, parameters=None):
+        # get reader and writer streams
+        reader, writer = await asyncio.open_connection(self.ip, self.port)
+
+        # create the command
+        cmd = {"command": command}
+        if parameters:
+            cmd["parameters"] = parameters
+
+        # send the command
+        writer.write(json.dumps(cmd).encode('utf-8'))
+        await writer.drain()
+
+        # instantiate data
+        data = b""
+
+        # loop to receive all the data
+        while True:
+            d = await reader.read(4096)
+            if not d:
+                break
+            data += d
+
+        data = json.loads(data.decode('utf-8')[:-1])
+
+        # close the connection
+        writer.close()
+        await writer.wait_closed()
+
+        # check if the data returned is correct or an error
+        if not data["STATUS"][0]["STATUS"] in ("S", "I"):
+            # this is an error
+            raise APIError(data["STATUS"][0]["Msg"])
+
+        # return the data
+        return data