Add 'lib/dsmr_parser_lib/' from commit 'f9e188812fbaee90974a3cddf201bbb40278fd9a'

git-subtree-dir: lib/dsmr_parser_lib
git-subtree-mainline: 4c0b801f96
git-subtree-split: f9e188812f

lib/dsmr_parser_lib/dsmr_parser/__main__.py

@@ -0,0 +1,65 @@
+from functools import partial
+import argparse
+import asyncio
+import logging
+
+from dsmr_parser.clients import create_dsmr_reader, create_tcp_dsmr_reader
+
+
+def console():
+    """Output DSMR data to console."""
+
+    parser = argparse.ArgumentParser(description=console.__doc__)
+    parser.add_argument('--device', default='/dev/ttyUSB0',
+                        help='port to read DSMR data from')
+    parser.add_argument('--host', default=None,
+                        help='alternatively connect using TCP host.')
+    parser.add_argument('--port', default=None,
+                        help='TCP port to use for connection')
+    parser.add_argument('--version', default='2.2', choices=['2.2', '4'],
+                        help='DSMR version (2.2, 4)')
+    parser.add_argument('--verbose', '-v', action='count')
+
+    args = parser.parse_args()
+
+    if args.verbose:
+        level = logging.DEBUG
+    else:
+        level = logging.ERROR
+    logging.basicConfig(level=level)
+
+    loop = asyncio.get_event_loop()
+
+    def print_callback(telegram):
+        """Callback that prints telegram values."""
+        for obiref, obj in telegram.items():
+            if obj:
+                print(obj.value, obj.unit)
+        print()
+
+    # create tcp or serial connection depending on args
+    if args.host and args.port:
+        create_connection = partial(create_tcp_dsmr_reader,
+                                    args.host, args.port, args.version,
+                                    print_callback, loop=loop)
+    else:
+        create_connection = partial(create_dsmr_reader,
+                                    args.device, args.version,
+                                    print_callback, loop=loop)
+
+    try:
+        # connect and keep connected until interrupted by ctrl-c
+        while True:
+            # create serial or tcp connection
+            conn = create_connection()
+            transport, protocol = loop.run_until_complete(conn)
+            # wait until connection it closed
+            loop.run_until_complete(protocol.wait_closed())
+            # wait 5 seconds before attempting reconnect
+            loop.run_until_complete(asyncio.sleep(5))
+    except KeyboardInterrupt:
+        # cleanup connection after user initiated shutdown
+        transport.close()
+        loop.run_until_complete(asyncio.sleep(0))
+    finally:
+        loop.close()