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Thomas Farstrike
73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
import time
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from . import config
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from .timezones import TIMEZONE_MAP
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import localPTZtime
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timezone_preference = None
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def epoch_seconds():
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import sys
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if sys.platform == "esp32":
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# on esp32, it needs this correction:
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return time.time() + 946684800
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else:
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return round(time.time())
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def sync_time():
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import ntptime
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print("Synchronizing clock...")
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# Set the NTP server and sync time
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ntptime.host = 'pool.ntp.org' # Set NTP server
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try:
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print('Syncing time with', ntptime.host)
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ntptime.settime() # Fetch and set time (in UTC)
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print("Time sync'ed successfully")
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refresh_timezone_preference() # if the time was sync'ed, then it needs refreshing
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except Exception as e:
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print('Failed to sync time:', e)
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def refresh_timezone_preference():
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global timezone_preference
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prefs = config.SharedPreferences("com.micropythonos.settings")
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timezone_preference = prefs.get_string("timezone")
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if not timezone_preference:
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timezone_preference = "Etc/GMT" # Use a default value so that it doesn't refresh every time the time is requested
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def localtime():
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global timezone_preference
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if not timezone_preference: # if it's the first time, then it needs refreshing
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refresh_timezone_preference()
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ptz = timezone_to_posix_time_zone(timezone_preference)
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t = time.time()
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try:
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localtime = localPTZtime.tztime(t, ptz)
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except Exception as e:
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#print(f"localPTZtime setting got exception {e}, defaulting to non-localized time...") # this gets called too often to print
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return time.localtime()
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return localtime
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def timezone_to_posix_time_zone(timezone):
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"""
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Convert a timezone name to its POSIX timezone string.
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Args:
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timezone (str or None): Timezone name (e.g., 'Africa/Abidjan') or None.
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Returns:
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str: POSIX timezone string (e.g., 'GMT0'). Returns 'GMT0' if timezone is None or not found.
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"""
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if timezone is None or timezone not in TIMEZONE_MAP:
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return "GMT0"
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return TIMEZONE_MAP[timezone]
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def get_timezones():
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"""
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Get a list of all available timezone names.
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Returns:
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list: List of timezone names (e.g., ['Africa/Abidjan', 'Africa/Accra', ...]).
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"""
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return sorted(TIMEZONE_MAP.keys()) # even though they are defined alphabetical, the order isn't maintained in MicroPython
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