Allow user to switch off colored logging

New config setting [LOGGING]color=true/false,
by default true; if false logging to terminal
has no coloring.

jmbase/jmbase/__init__.py

@@ -4,6 +4,6 @@ from builtins import *
 
 from .support import (get_log, chunks, debug_silence, jmprint,
                       joinmarket_alert, core_alert, get_password,
-                      set_logging_level)
+                      set_logging_level, set_logging_color)
 from .commands import *
 

jmbase/jmbase/support.py

@@ -9,7 +9,7 @@ from chromalog.log import (
     ColorizingStreamHandler,
     ColorizingFormatter,
 )
-from chromalog.colorizer import GenericColorizer
+from chromalog.colorizer import GenericColorizer, MonochromaticColorizer
 from colorama import Fore, Back, Style
 
 # magic; importing e.g. 'info' actually instantiates
@@ -102,6 +102,12 @@ def get_log():
 def set_logging_level(level):
     handler.setLevel(level)
 
+def set_logging_color(colored=False):
+    if colored:
+        handler.colorizer = jm_colorizer
+    else:
+        handler.colorizer = MonochromaticColorizer()
+
 def chunks(d, n):
     return [d[x:x + n] for x in range(0, len(d), n)]
 

jmclient/jmclient/configure.py

@@ -12,7 +12,7 @@ from configparser import ConfigParser, NoOptionError
 import jmbitcoin as btc
 from jmclient.jsonrpc import JsonRpc
 from jmbase.support import (get_log, joinmarket_alert, core_alert, debug_silence,
-                            set_logging_level, jmprint)
+                            set_logging_level, jmprint, set_logging_color)
 from jmclient.podle import set_commitment_file
 
 log = get_log()
@@ -166,6 +166,9 @@ socks5_port = 9050
 # Log level for the files in the logs-folder will always be DEBUG
 console_log_level = INFO
 
+# Use color-coded log messages to help distinguish log levels?:
+color = true
+
 [TIMEOUT]
 maker_timeout_sec = 60
 unconfirm_timeout_sec = 180
@@ -439,6 +442,13 @@ def load_program_config(config_path=None, bs=None):
     except:
         jmprint("Failed to set logging level, must be DEBUG, INFO, WARNING, ERROR",
                 "error")
+
+    # Logs to the console are color-coded if user chooses (file is unaffected)
+    if global_singleton.config.get("LOGGING", "color") == "true":
+        set_logging_color(True)
+    else:
+        set_logging_color(False)
+
     try:
         global_singleton.maker_timeout_sec = global_singleton.config.getint(
             'TIMEOUT', 'maker_timeout_sec')