Scripts API: SuperScanner: add timestamp in log messages

scriptsapi/superscanner.py

@@ -14,6 +14,7 @@ except ImportError:
     import _thread as thread
 import time
 
+from datetime import datetime
 from optparse import OptionParser
 
 import sdrangel
@@ -47,6 +48,11 @@ class SuperScannerOptionsError(SuperScannerError):
 class SuperScannerAPIError(SuperScannerError):
     pass
 
+# ======================================================================
+def log_with_timestamp(message):
+    t = datetime.utcnow()
+    print(f'{t.isoformat()} {message}')
+
 # ======================================================================
 def get_input_options(args=None):
     if args is None:
@@ -139,7 +145,7 @@ def on_ws_close(ws):
 
 # ======================================================================
 def on_ws_open(ws):
-    print('Starting...')
+    log_with_timestamp('Starting...')
     def run(*args):
         pass
     thread.start_new_thread(run, ())
@@ -324,12 +330,12 @@ def process_hotspots(scanned_hotspots):
             channel['usage'] = 2 # mark channel used on this pass
             channel['frequency'] = channel_frequency
             set_channel_frequency(channel)
-            print(f'Channel {channel_index} allocated on frequency {channel_frequency} Hz')
+            log_with_timestamp(f'Channel {channel_index} allocated on frequency {channel_frequency} Hz')
         else:
             fc = hotspot['fc']
             if fc not in UNSERVED_FREQUENCIES:
                 UNSERVED_FREQUENCIES.append(fc)
-                print(f'All channels allocated. Cannot process signal at {fc} Hz')
+                log_with_timestamp(f'All channels allocated. Cannot process signal at {fc} Hz')
     # cleanup
     for channel in CONFIG['channel_info']:
         if channel['usage'] == 1:   # channel unused on this pass
@@ -338,7 +344,7 @@ def process_hotspots(scanned_hotspots):
             fc = channel['frequency']
             set_channel_mute(channel)
             UNSERVED_FREQUENCIES.clear() # at least one channel is able to serve next time
-            print(f'Released channel {channel_index} on frequency {fc} Hz')
+            log_with_timestamp(f'Released channel {channel_index} on frequency {fc} Hz')
         elif channel['usage'] == 2:  # channel used on this pass
             channel['usage'] = 1     # reset usage for next pass