Added color logging of thread names at keepalive

This patch adds logging of the thread name in color
during keepalive loop output.

aprsd/threads/keep_alive.py

@@ -3,6 +3,7 @@ import logging
 import time
 import tracemalloc
 
+from loguru import logger
 from oslo_config import cfg
 
 from aprsd import packets, utils
@@ -14,6 +15,7 @@ from aprsd.threads import APRSDThread, APRSDThreadList
 
 CONF = cfg.CONF
 LOG = logging.getLogger("APRSD")
+LOGU = logger
 
 
 class KeepAliveThread(APRSDThread):
@@ -87,7 +89,12 @@ class KeepAliveThread(APRSDThread):
                     key = thread["name"]
                     if not alive:
                         LOG.error(f"Thread {thread}")
-                    LOG.info(f"{key: <15} Alive? {str(alive): <5} {str(age): <20}")
+
+                    thread_hex = f"fg {utils.hex_from_name(key)}"
+                    t_name = f"<{thread_hex}>{key:<15}</{thread_hex}>"
+                    thread_msg = f"{t_name} Alive? {str(alive): <5} {str(age): <20}"
+                    LOGU.opt(colors=True).info(thread_msg)
+                    # LOG.info(f"{key: <15} Alive? {str(alive): <5} {str(age): <20}")
 
             # check the APRS connection
             cl = client_factory.create()

aprsd/utils/__init__.py

@@ -2,6 +2,7 @@
 
 import errno
 import functools
+import math
 import os
 import re
 import sys
@@ -82,6 +83,16 @@ def rgb_from_name(name):
     return red, green, blue
 
 
+def hextriplet(colortuple):
+    """Convert a color tuple to a hex triplet."""
+    return "#" + "".join(f"{i:02X}" for i in colortuple)
+
+
+def hex_from_name(name):
+    """Create a hex color from a string."""
+    return hextriplet(rgb_from_name(name))
+
+
 def human_size(bytes, units=None):
     """Returns a human readable string representation of bytes"""
     if not units:
@@ -161,3 +172,47 @@ def load_entry_points(group):
         except Exception as e:
             print(f"Extension {ep.name} of group {group} failed to load with {e}", file=sys.stderr)
             print(traceback.format_exc(), file=sys.stderr)
+
+
+def calculate_initial_compass_bearing(start, end):
+    if (type(start) != tuple) or (type(end) != tuple):
+        raise TypeError("Only tuples are supported as arguments")
+
+    lat1 = math.radians(float(start[0]))
+    lat2 = math.radians(float(end[0]))
+
+    diffLong = math.radians(float(end[1]) - float(start[1]))
+
+    x = math.sin(diffLong) * math.cos(lat2)
+    y = math.cos(lat1) * math.sin(lat2) - (
+        math.sin(lat1)
+        * math.cos(lat2) * math.cos(diffLong)
+    )
+
+    initial_bearing = math.atan2(x, y)
+
+    # Now we have the initial bearing but math.atan2 return values
+    # from -180° to + 180° which is not what we want for a compass bearing
+    # The solution is to normalize the initial bearing as shown below
+    initial_bearing = math.degrees(initial_bearing)
+    compass_bearing = (initial_bearing + 360) % 360
+
+    return compass_bearing
+
+
+def degrees_to_cardinal(bearing, full_string=False):
+    if full_string:
+        DIRECTIONS = [
+            "North", "North-Northeast", "Northeast", "East-Northeast", "East", "East-Southeast",
+            "Southeast", "South-Southeast", "South", "South-Southwest", "Southwest", "West-Southwest",
+            "West", "West-Northwest", "Northwest", "North-Northwest", "North",
+        ]
+    else:
+        DIRECTIONS = [
+            "N", "NNE", "NE", "ENE", "E", "ESE",
+            "SE", "SSE", "S", "SSW", "SW", "WSW",
+            "W", "WNW", "NW", "NNW", "N",
+        ]
+
+    cardinal = DIRECTIONS[round(bearing / 22.5)]
+    return cardinal