Install SeisComP and scanloc ARM64 nightly packages

bin/msrtsimul

@@ -107,19 +107,19 @@ def rt_simul(f, speed=1.0, jump=0.0, delaydict=None):
 # ------------------------------------------------------------------------------
 def usage():
     print(
-        """Usage:
-  msrtsimul [options] file
+        f"""Usage:
+  {os.path.basename(__file__)} [options] file
 
 miniSEED real-time playback and simulation
 
-msrtsimul reads sorted (and possibly multiplexed) miniSEED files and writes
-individual records in pseudo-real-time. This is useful e.g. for testing and
+{os.path.basename(__file__)} reads sorted (and possibly multiplexed) miniSEED files and
+writes individual records in pseudo-real-time. This is useful e.g. for testing and
 simulating data acquisition. Output is
 $SEISCOMP_ROOT/var/run/seedlink/mseedfifo unless --seedlink or -c is used.
 
 Verbosity:
-  -h, --help            Display this help message
-  -v, --verbose         Verbose mode
+  -h, --help            Display this help message.
+  -v, --verbose         Verbose mode.
 
 Playback:
   -j, --jump            Minutes to skip (float).
@@ -131,14 +131,15 @@ Playback:
   -m  --mode            Choose between 'realtime' and 'historic'.
   -s, --speed           Speed factor (float).
       --test            Test mode.
-  -u, --unlimited       Allow miniSEED records which are not 512 bytes
+  -u, --unlimited       Allow miniSEED records which are not 512 bytes. By default
+                        seedlink supports 512 bytes only.
 
 Examples:
 Play back miniSEED waveforms in real time with verbose output
-  msrtsimul -v data.mseed
+  {os.path.basename(__file__)} -v data.mseed
 
 Play back miniSEED waveforms in real time skipping the first 1.5 minutes
-  msrtsimul -j 1.5 data.mseed
+  {os.path.basename(__file__)} -j 1.5 data.mseed
 """
     )
 
@@ -170,7 +171,7 @@ def main():
                 "help",
                 "mode=",
                 "seedlink=",
-                "unlimited"
+                "unlimited",
             ],
         )
     except GetoptError:
@@ -278,7 +279,7 @@ Check if SeedLink is running and configured for real-time playback.
 
         time_diff = None
         print(
-            f"Starting msrtsimul at {datetime.datetime.utcnow()}",
+            f"Starting msrtsimul at {datetime.datetime.now(datetime.UTC)}",
             file=sys.stderr,
         )
         for rec in inp:
@@ -292,7 +293,7 @@ starting on {str(rec.begin_time)}: length != 512 Bytes.",
             if time_diff is None:
                 ms = 1000000.0 * (rec.nsamp / rec.fsamp)
                 time_diff = (
-                    datetime.datetime.utcnow()
+                    datetime.datetime.now(datetime.UTC).replace(tzinfo=None)
                     - rec.begin_time
                     - datetime.timedelta(microseconds=ms)
                 )