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authorMattias Andrée <maandree@operamail.com>2014-03-03 14:08:00 +0100
committerMattias Andrée <maandree@operamail.com>2014-03-03 14:08:00 +0100
commit01d5043106dbc8d5b0a63024d0c2a81b1ee63bb9 (patch)
tree82781d2f22baafb5d50694efcc01e449d39ec66c /src/plugins/clock.py
parentadd todo to xdisplay about vt (diff)
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add clock
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'src/plugins/clock.py')
-rw-r--r--src/plugins/clock.py92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/plugins/clock.py b/src/plugins/clock.py
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+++ b/src/plugins/clock.py
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+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+'''
+
+import time
+
+from util import *
+
+
+class Clock:
+ '''
+ Date and time information retrieval
+ '''
+
+
+ SECONDS = 1
+ '''
+ :float Synchronisation value for syncing to seconds
+ '''
+
+ MINUTES = 60
+ '''
+ :float Synchronisation value for syncing to minutes
+ '''
+
+
+ def __init__(self, format = '%Y-(%m)%b-%d %T, %a w%V, %Z', utc = False, sync_to = 1):
+ '''
+ Constructor
+
+ @param format:str The format as in the `date` command
+ @param utc:bool Show time in UTC, otherwise local time
+ @param sync_to:float The time parameter to sync to, the number of seconds between the reads
+ '''
+ self.format = format
+ self.utc = utc
+ self.sync_to = sync_to
+ self.command = ['date'] + (['--utc'] if utc else []) + ['+' + format]
+
+
+ def read(self):
+ '''
+ Reads the clock
+
+ @return :str The time and date in the format specified at construction
+ '''
+ return spawn_read(*(self.command))
+
+
+ def sync(self):
+ '''
+ Wait for the clock to reach the next synchronisation time point
+ '''
+ time.sleep(self.sync_to - (time.time() % self.sync_to))
+
+
+ def continuous_sync(self, function):
+ '''
+ Wait for the clock to reach the next synchronisation time point
+ and the call a function and start over, i.e. sync in a loop forever
+
+ @param function:()→void The function to call
+ '''
+ while True:
+ time.sleep(self.sync_to - (time.time() % self.sync_to))
+ function()
+
+
+ @staticmethod
+ def posix_time():
+ '''
+ Returns the current POSIX time
+
+ @return :float The current POSIX time
+ '''
+ return time.time()
+