[core/theme] Add preparatory work for themes

Add two new parameters: theme and iconset

Add a placeholder class core.theme.Theme, an instance of which is passed
in to the i3 output object (which is the only object that should ever
have need of the theme, hopefully).

bumblebee-status

@@ -44,7 +44,8 @@ def main():
     )
 
     config = core.config.Config(sys.argv[1:])
-    output = core.output.i3()
+    theme = core.theme.Theme(config.theme(), config.iconset())
+    output = core.output.i3(theme)
     modules = []
 
     input_thread = threading.Thread(target=handle_input, args=(output,))

core/config.py

@@ -2,29 +2,39 @@ import argparse
 
 import util.store
 
-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>"
+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>'
+THEME_HELP = 'Specify the theme to use for drawing modules'
 
 class Config(util.store.Store):
     def __init__(self, args):
         super(Config, self).__init__()
 
         parser = argparse.ArgumentParser(description='bumblebee-status is a modular, theme-able status line generator for the i3 window manager. https://github.com/tobi-wan-kenobi/bumblebee-status/wiki')
-        parser.add_argument("-m", "--modules", nargs="+", action='append', default=[],
+        parser.add_argument('-m', '--modules', nargs='+', action='append', default=[],
             help=MODULE_HELP)
-        parser.add_argument("-p", "--parameters", nargs="+", action='append', default=[],
+        parser.add_argument('-p', '--parameters', nargs='+', action='append', default=[],
             help=PARAMETER_HELP)
+        parser.add_argument('-t', '--theme', default='default', help=THEME_HELP)
+        parser.add_argument('-i', '--iconset', default='auto',
+            help='Specify the name of an iconset to use (overrides theme default)')
         self._args = parser.parse_args(args)
 
         parameters = [ item for sub in self._args.parameters for item in sub ]
         for param in parameters:
-            key, value = param.split("=", 1)
+            key, value = param.split('=', 1)
             self.set(key, value)
 
     def modules(self):
         return [item for sub in self._args.modules for item in sub]
 
     def interval(self):
-        return float(self.get("interval", 1))
+        return float(self.get('interval', 1))
+
+    def theme(self):
+        return self._args.theme
+
+    def iconset(self):
+        return self._args.iconset
 
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

core/output.py

@@ -2,8 +2,10 @@ import sys
 import json
 import time
 
+import core.theme
+
 class i3(object):
-    def __init__(self):
+    def __init__(self, theme=core.theme.Theme()):
         self._modules = []
         self._status = {}
 

core/theme.py

@@ -0,0 +1,6 @@
+
+class Theme(object):
+    def __init__(self, name='default', iconset=None):
+        pass
+
+# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4

tests/core/test_config.py

@@ -4,19 +4,18 @@ import core.config
 
 class config(unittest.TestCase):
     def setUp(self):
-        self._someModules = [ 'b', 'x', 'a' ]
-        self._moreModules = [ 'this', 'module', 'here' ]
-
-    def tearDown(self):
-        pass
+        self.someModules = [ 'b', 'x', 'a' ]
+        self.moreModules = [ 'this', 'module', 'here' ]
+        self.someTheme = 'some-theme'
+        self.someIconset = 'some-iconset'
 
     def test_module(self):
-        cfg = core.config.Config([ '-m' ] + self._someModules)
-        self.assertEqual(self._someModules, cfg.modules())
+        cfg = core.config.Config([ '-m' ] + self.someModules)
+        self.assertEqual(self.someModules, cfg.modules())
 
     def test_module_ordering_maintained(self):
-        cfg = core.config.Config([ '-m' ] + self._someModules + [ '-m' ] + self._moreModules)
-        self.assertEqual(self._someModules + self._moreModules, cfg.modules())
+        cfg = core.config.Config([ '-m' ] + self.someModules + [ '-m' ] + self.moreModules)
+        self.assertEqual(self.someModules + self.moreModules, cfg.modules())
 
     def test_default_interval(self):
         cfg = core.config.Config([])
@@ -30,4 +29,20 @@ class config(unittest.TestCase):
         cfg = core.config.Config([ '-p', 'interval=0.5'])
         self.assertEqual(0.5, cfg.interval())
 
+    def test_default_theme(self):
+        cfg = core.config.Config([])
+        self.assertEqual('default', cfg.theme())
+
+    def test_theme(self):
+        cfg = core.config.Config(['-t', self.someTheme])
+        self.assertEqual(self.someTheme, cfg.theme())
+
+    def test_default_iconset(self):
+        cfg = core.config.Config([])
+        self.assertEqual('auto', cfg.iconset())
+
+    def test_iconset(self):
+        cfg = core.config.Config(['-i', self.someIconset])
+        self.assertEqual(self.someIconset, cfg.iconset())
+
 # vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4