114 lines
3.6 KiB
Python
114 lines
3.6 KiB
Python
# pylint: disable=C0111,R0903
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"""Displays the current date and time with timezone options.
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Requires the following python packages:
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* tzlocal
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* pytz
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Parameters:
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* datetimetz.format : strftime()-compatible formatting string
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* datetimetz.timezone : IANA timezone name
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* datetz.format : alias for datetimetz.format
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* timetz.format : alias for datetimetz.format
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* timetz.timezone : alias for datetimetz.timezone
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* datetimetz.locale : locale to use rather than the system default
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* datetz.locale : alias for datetimetz.locale
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* timetz.locale : alias for datetimetz.locale
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* timetz.timezone : alias for datetimetz.timezone
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contributed by `frankzhao <https://github.com/frankzhao>`_ - many thanks!
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"""
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from __future__ import absolute_import
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import datetime
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import locale
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import logging
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import pytz
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import tzlocal
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import core.module
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import core.widget
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import core.input
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import util.format
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def default_format(module):
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default = "%x %X %Z"
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if module == "datetz":
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default = "%x %Z"
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if module == "timetz":
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default = "%X %Z"
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return default
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class Module(core.module.Module):
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def __init__(self, config, theme):
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super().__init__(config, theme, core.widget.Widget(self.get_time))
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core.input.register(self, button=core.input.LEFT_MOUSE, cmd=self.next_tz)
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core.input.register(self, button=core.input.RIGHT_MOUSE, cmd=self.prev_tz)
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self.__fmt = self.parameter("format", self.default_format())
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default_timezone = ""
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try:
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default_timezone = tzlocal.get_localzone().zone
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except Exception as e:
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logging.error("unable to get default timezone: {}".format(str(e)))
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try:
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self._timezones = util.format.aslist(
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self.parameter("timezone", default_timezone)
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)
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except:
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self._timezones = [default_timezone]
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self._current_tz = 0
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l = locale.getdefaultlocale()
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if not l or l == (None, None):
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l = ("en_US", "UTF-8")
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lcl = self.parameter("locale", ".".join(l))
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try:
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locale.setlocale(locale.LC_TIME, lcl.split("."))
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except Exception:
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locale.setlocale(locale.LC_TIME, ("en_US", "UTF-8"))
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def default_format(self):
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return "%x %X %Z"
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def get_time(self, widget):
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try:
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try:
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tz = pytz.timezone(self._timezones[self._current_tz].strip())
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retval = (
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datetime.datetime.now(tz=tzlocal.get_localzone())
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.astimezone(tz)
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.strftime(self.__fmt)
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)
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except pytz.exceptions.UnknownTimeZoneError:
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retval = "[Unknown timezone: {}]".format(
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self._timezones[self._current_tz].strip()
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)
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except Exception as e:
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logging.error("unable to get time: {}".format(str(e)))
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retval = "[n/a]"
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enc = locale.getpreferredencoding()
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if hasattr(retval, "decode"):
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return retval.decode(enc)
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return retval
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def next_tz(self, event):
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next_timezone = self._current_tz + 1
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if next_timezone >= len(self._timezones):
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next_timezone = 0 # wraparound
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self._current_tz = next_timezone
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def prev_tz(self, event):
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previous_timezone = self._current_tz - 1
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if previous_timezone < 0:
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previous_timezone = 0 # wraparound
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self._current_tz = previous_timezone
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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