[core/config] Allow string formatted intervals

Allow users to specify intervals such as '5m', for convenience

core/config.py

@@ -1,6 +1,7 @@
 import argparse
 
 import util.store
+import util.format
 
 MODULE_HELP = 'Specify a space-separated list of modules to load. The order of the list determines their order in the i3bar (from left to right). Use <module>:<alias> to provide an alias in case you want to load the same module multiple times, but specify different parameters.'
 PARAMETER_HELP = 'Provide configuration parameters in the form of <module>.<key>=<value>'
@@ -32,8 +33,8 @@ class Config(util.store.Store):
     def modules(self):
         return [item for sub in self._args.modules for item in sub]
 
-    def interval(self):
-        return float(self.get('interval', 1))
+    def interval(self, default=1):
+        return util.format.seconds(self.get('interval', default))
 
     def debug(self):
         return self._args.debug

doc/FEATURES.md

@@ -3,4 +3,4 @@
 - theme.minwidth
 - scrolling decorator
 - theme.exclude
-- per module update interval
+- per module update interval -> nice string format

tests/util/test_format.py

@@ -76,4 +76,16 @@ class format(unittest.TestCase):
         self.assertEqual('00:20m', duration(20, unit=True))
         self.assertEqual('00:20m', duration(20, compact=True, unit=True))
 
+    def test_seconds(self):
+        self.assertEqual(10, seconds(10))
+        self.assertEqual(10, seconds('10'))
+
+        self.assertEqual(300, seconds('5m'))
+        self.assertEqual(320, seconds('5m20s'))
+
+        self.assertEqual(4*3600, seconds('4h'))
+        self.assertEqual(4*3600 + 5*60 + 22, seconds('4h5m22s'))
+
+        self.assertEqual(4*3600 + 5*60, seconds('4h5m'))
+
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

util/format.py

@@ -1,3 +1,4 @@
+import re
 
 def asbool(val):
     if val is None:
@@ -15,7 +16,6 @@ def asint(val, minimum=None, maximum=None):
     val = max(val, minimum if minimum else val)
     return val
 
-
 def aslist(val):
     if val is None:
         return []
@@ -30,6 +30,22 @@ def byte(val, fmt='{:.2f}'):
         val /= 1024.0
     return '{}GiB'.format(fmt).format(val*1024.0)
 
+__seconds_pattern = re.compile('(([\d\.?]+)h)?(([\d\.]+)m)?([\d\.]+)?s?')
+def seconds(duration):
+    if isinstance(duration, int) or isinstance(duration, float):
+        return float(duration)
+
+    matches = __seconds_pattern.match(duration)
+    result = 0.0
+    if matches.group(2):
+        result += float(matches.group(2))*3600 # hours
+    if matches.group(4):
+        result += float(matches.group(4))*60 # minutes
+    if matches.group(5):
+        result += float(matches.group(5)) # seconds
+
+    return result
+
 def duration(duration, compact=False, unit=False):
     duration = int(duration)
     minutes, seconds = divmod(duration, 60)