116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
import os
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import locale
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import time
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from i3pystatus import IntervalModule
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class Clock(IntervalModule):
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"""
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This class shows a clock.
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format can be passed in four different ways:
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- single string, no timezone, just the strftime-format
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- one two-tuple, first is the format, second the timezone
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- list of strings - no timezones
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- list of two tuples, first is the format, second is timezone
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Use mousewheel to cycle between formats.
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For complete time format specification see:
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::
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man strftime
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All available timezones are located in directory:
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::
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/usr/share/zoneinfo/
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.. rubric:: Format examples
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::
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# one format, local timezone
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format = '%a %b %-d %b %X'
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# multiple formats, local timezone
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format = [ '%a %b %-d %b %X', '%X' ]
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# one format, specified timezone
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format = ('%a %b %-d %b %X', 'Europe/Bratislava')
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# multiple formats, specified timezones
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format = [ ('%a %b %-d %b %X', 'America/New_York'), ('%X', 'Etc/GMT+9') ]
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"""
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settings = (
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("format", "`None` means to use the default, locale-dependent format."),
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("color", "RGB hexadecimal code color specifier, default to #ffffff"),
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)
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format = None
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color = "#ffffff"
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interval = 1
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current_format_id = 0
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on_upscroll = ["scroll_format", 1]
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on_downscroll = ["scroll_format", -1]
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def init(self):
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env_lang = os.environ.get('LC_TIME', None)
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if env_lang is None:
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env_lang = os.environ.get('LANG', None)
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if env_lang is not None:
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if env_lang.find('.') != -1:
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lang = tuple(env_lang.split('.', 1))
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else:
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lang = (env_lang, None)
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else:
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lang = (None, None)
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if lang != locale.getlocale(locale.LC_TIME):
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# affects time.strftime() in whole program
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locale.setlocale(locale.LC_TIME, lang)
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if self.format is None:
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if lang[0] == 'en_US':
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# MDY format - United States of America
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self.format = ["%a %b %-d %X"]
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else:
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# DMY format - almost all other countries
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self.format = ["%a %-d %b %X"]
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elif isinstance(self.format, str) or isinstance(self.format, tuple):
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self.format = [self.format]
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self.format = self.expand_formats(self.format)
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@staticmethod
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def expand_formats(formats):
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def expand_format(format_):
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if isinstance(format_, tuple):
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# check if timezone exists (man tzset)
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if len(format_) > 1 and os.path.isfile('/usr/share/zoneinfo/' + format_[1]):
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return (format_[0], format_[1])
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else:
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return (format_[0], time.tzname[0])
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return (format_, time.tzname[0])
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return [expand_format(format_) for format_ in formats]
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def run(self):
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# set timezone
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if time.tzname[0] is not self.format[self.current_format_id][1]:
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os.environ.putenv('TZ', self.format[self.current_format_id][1])
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time.tzset()
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self.output = {
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"full_text": time.strftime(self.format[self.current_format_id][0]),
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"color": self.color,
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"urgent": False,
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}
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def scroll_format(self, step=1):
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self.current_format_id = (self.current_format_id + step) % len(self.format)
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