implement bot reconfiguration and expose it to telegram

freqtrade/main.py

@@ -5,12 +5,14 @@ Read the documentation to know what cli arguments you need.
 """
 import logging
 import sys
+from argparse import Namespace
 from typing import List
 
 from freqtrade import OperationalException
 from freqtrade.arguments import Arguments
 from freqtrade.configuration import Configuration
 from freqtrade.freqtradebot import FreqtradeBot
+from freqtrade.state import State
 
 logger = logging.getLogger('freqtrade')
 
@@ -44,6 +46,8 @@ def main(sysargv: List[str]) -> None:
         state = None
         while 1:
             state = freqtrade.worker(old_state=state)
+            if state == State.RELOAD_CONF:
+                freqtrade = reconfigure(freqtrade, args)
 
     except KeyboardInterrupt:
         logger.info('SIGINT received, aborting ...')
@@ -55,11 +59,28 @@ def main(sysargv: List[str]) -> None:
         logger.exception('Fatal exception!')
     finally:
         if freqtrade:
-            freqtrade.rpc.send_msg('*Status:* `Stopping trader...`')
+            freqtrade.rpc.send_msg('*Status:* `Process died ...`')
             freqtrade.cleanup()
         sys.exit(return_code)
 
 
+def reconfigure(freqtrade: FreqtradeBot, args: Namespace) -> FreqtradeBot:
+    """
+    Cleans up current instance, reloads the configuration and returns the new instance
+    """
+    # Clean up current modules
+    freqtrade.cleanup()
+
+    # Create new instance
+    freqtrade = FreqtradeBot(Configuration(args).get_config())
+    freqtrade.rpc.send_msg(
+        '*Status:* `Config reloaded ...`'.format(
+            freqtrade.state.name.lower()
+        )
+    )
+    return freqtrade
+
+
 def set_loggers() -> None:
     """
     Set the logger level for Third party libs