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--- public:musings:watches:watchcheck [23/01/26 13:53 GMT] – john
+++ public:musings:watches:watchcheck [23/01/26 14:13 GMT] (current) – john
@@ Line 11: / Line 11: @@
 You put the application in a directory specific to the watch and execute it from that
 directory. the data from each measurement is stored in a **json** file in the same directory.
+** update 23/01/26 **  I've modified the code to run under Python 3 - using the tool ''2to3'' and a minor manual tweak.
 ++++ watchcheck.py in Python 3 |
-<code python>
+<file python watchcheck.py>
 # a text-terminal version of the WatchCheck app
@@ Line 211: / Line 214: @@
-</code>
+</file>
 ++++
@@ Line 219: / Line 222: @@
 ++++ original watchcheck.py in python 2 |
-<code python>
+<file python watchcheck.py>
 #! /usr/bin/env python
@@ Line 424: / Line 427: @@
 <code>
 Wire2waves WatchCheck.....
 =========================
@@ Line 501: / Line 505: @@
 display the data
-++++ watchstat.py |
+++++ original watchstat.py in python 2|
 <file python watchstat.py>
 #! /usr/bin/env python
@@ Line 611: / Line 616: @@
 ++++
+++++ watchstat.py in python 3 |
+<file python watchstat.py>
+## a text-terminal version of the WatchCheck app
+## to track error, daily error rate of timepieces.
+#
+import time
+import datetime
+import json
+def watch_stat():
+    try:
+        saved_error = open('error_list.json')
+        error_list = json.load(saved_error)
+    except:
+        error_list = []
+    if len(error_list) > 1:
+        first_record = error_list[0]
+        latest_record = error_list[-1]
+        previous_record = error_list[-2]
+        first_time = first_record[0]
+        first_delta = first_record[1]
+        latest_time = latest_record[0]
+        latest_delta = latest_record[1]
+        previous_time = previous_record[0]
+        previous_delta = previous_record[1]
+        FMT = '%Y/%m/%d %H:%M:%S'
+        t_latest = datetime.datetime.strptime(latest_time, FMT)
+        t_previous = datetime.datetime.strptime(previous_time, FMT)
+        t_first = datetime.datetime.strptime(first_time, FMT)
+        tdelta = t_latest - t_previous
+        full_delta = t_latest - t_first
+        elapsed_time = tdelta.total_seconds()
+        full_time = full_delta.total_seconds()
+        print("First record time ", first_time)
+        print("First record delta ", first_delta)
+        print("")
+        print("Previous record time ", previous_time)
+        print("Previous record delta ", previous_delta)
+        print("")
+        print("Latest record time " , latest_time)
+        print("Latest record delta ", latest_delta)
+        print("")
+        print("Overall elapsed time ", full_delta)
+        print("Latest elapsed time ", tdelta)
+        print("")
+        # Current Error rate
+        time_error = latest_delta - previous_delta
+        error_rate = time_error / elapsed_time
+        daily_rate = error_rate * (60*60*24)
+        ppm_daily = error_rate * 1000000
+        # Overall Error rate
+        total_error = latest_delta - first_delta
+        average_error_rate = total_error / full_time
+        average_rate = average_error_rate * (60*60*24)
+        ppm_overall = average_error_rate * 1000000
+        print("Latest delta change ", time_error)
+        print("Latest elapsed time %d seconds " % (elapsed_time))
+        print("")
+        print("Daily PPM : %0.3f" % ppm_daily)
+        print("Daily rate error: %0.1f s/d " % (daily_rate))
+        print("")
+        print("Total Time %d seconds" % (full_time))
+        print("Total error ", total_error)
+        print("Total PPM : %0.3f" % ppm_overall)
+        print("Total rate error: %0.1f s/d" % (average_rate))
+        print("")
+        print("========================================================")
+        print(" Delta : %0.1f s | Rate : %0.1f s/d | Average : %0.1f s/d" % (latest_delta, daily_rate, average_rate))
+        print("========================================================")
+        print("")
+    else:
+        print("No rate yet")
+watch_stat()
+</file>
+++++
 Running watchstat.py on the newly updated ''error_list.json''