1 files changed, 73 insertions, 49 deletions

diff --git a/src/__main__.py b/src/__main__.py
index 083d0b0..45ba7db 100755
--- a/src/__main__.py
+++ b/src/__main__.py
@@ -23,7 +23,9 @@ import datetime
 
 ## Set global variables
 global DATADIR, i_size, o_size, r_curve, g_curve, b_curve, clip_result
-global periodically, wait_period, monitor_controller, running
+global periodically, wait_period, fadein_time, fadeout_time, fadein_steps, fadeout_steps
+global monitor_controller, running, continuous_run
+global signal_SIGTERM
 
 
 from solar import *
@@ -40,6 +42,7 @@ def periodically(year, month, day, hour, minute, second, weekday, fade):
     fadeout_time = None
     fadein_steps = 100
     fadeout_steps = 100
+    start_over()
     if fade is None:
         negative(False, False, False)
         temperature(6500, lambda T : divide_by_maximum(series_d(T)))
@@ -103,22 +106,22 @@ monitor_controller = lambda : randr()
 :()→void  Function used by Blueshift on exit to apply reset colour curves
 '''
 
-fadein_time = 10
+fadein_time = 2
 '''
 :float?  The number of seconds used to fade in on start, `None` for no fading
 '''
 
-fadeout_time = 10
+fadeout_time = 2
 '''
 :float?  The number of seconds used to fade out on exit, `None` for no fading
 '''
 
-fadein_steps = 100
+fadein_steps = 10
 '''
 :int  The number of steps in the fade in phase, if any
 '''
 
-fadeout_steps = 100
+fadeout_steps = 10
 '''
 :int  The number of steps in the fade out phase, if any
 '''
@@ -129,52 +132,33 @@ running = True
 '''
 
 
-## Load extension and configurations via blueshiftrc
-if config_file is None:
-    for file in ('$XDG_CONFIG_HOME/%/%rc', '$HOME/.config/%/%rc', '$HOME/.%rc', '/etc/%rc'):
-        file = file.replace('%', 'blueshift')
-        for arg in ('XDG_CONFIG_HOME', 'HOME'):
-            if '$' + arg in file:
-                if arg in os.environ:
-                    file = file.replace('$' + arg, os.environ[arg].replace('$', '\0'))
-                else:
-                    file = None
-                    break
-        if file is not None:
-            file = file.replace('\0', '$')
-            if os.path.exists(file):
-                config_file = file
-                break
-if config_file is not None:
-    code = None
-    with open(file, 'rb') as script:
-        code = script.read()
-    code = code.decode('utf8', 'error') + '\n'
-    code = compile(code, file, 'exec')
-    g, l = globals(), dict(locals())
-    for key in l:
-        g[key] = l[key]
-    exec(code, g)
-else:
-    print('No configuration file found')
-    sys.exit(1)
-
 
-## Run periodically if configured to
-if periodically is not None:
+def signal_SIGTERM(signum, frame):
+    global running
+    if not running:
+        running = False
+        start_over()
+        monitor_controller()
+        close_c_bindings()
+        sys.exit(0)
+    running = False
+
+
+def continuous_run():
+    '''
+    Invoked to run continuously if `periodically` is not `None`
+    '''
+    global running, wait_period, fadein_time, fadeout_time, fadein_steps, fadeout_steps
     def p(t, fade = None):
         wd = t.isocalendar()[2]
         periodically(t.year, t.month, t.day, t.hour, t.minute, t.second, wd, fade)
+    def sleep(seconds):
+        try:
+            time.sleep(seconds)
+        except KeyboardInterrupt:
+            signal_SIGTERM(0, None)
     
-    ## Catch TERM signal
-    def signal_SIGTERM(signum, frame):
-        if not running:
-            running = False
-            start_over()
-            monitor_controller()
-            close_c_bindings()
-            sys.exit(0)
-        running = False
+    ## Catch signals
     signal.signal(signal.SIGTERM, signal_SIGTERM)
     
     ## Fade in
@@ -182,33 +166,73 @@ if periodically is not None:
     ftime = 0
     if fadein_time is not None:
         dtime = fadein_time / fadein_steps
+        df = 1 / fadein_steps
         while running:
-            ftime += dtime
+            ftime += df
             if ftime > 1:
                 break
             p(datetime.datetime.now(), ftime)
+            sleep(dtime)
     
     ## Run periodically
     if not early_exit:
         while running:
             p(datetime.datetime.now(), None)
             if running:
-                time.sleep(wait_period)
+                sleep(wait_period)
     
     ## Fade out
     if fadeout_time is not None:
         dtime = fadeout_time / fadeout_steps
+        df = 1 / fadeout_steps
         if early_exit:
             ftime = 1
         while True:
-            ftime -= dtime
+            ftime -= df
             if ftime <= 0:
                 break
             p(datetime.datetime.now(), -ftime)
+            sleep(dtime)
     
     ## Reset
     start_over()
     monitor_controller()
 
+
+## Load extension and configurations via blueshiftrc
+if config_file is None:
+    for file in ('$XDG_CONFIG_HOME/%/%rc', '$HOME/.config/%/%rc', '$HOME/.%rc', '/etc/%rc'):
+        file = file.replace('%', 'blueshift')
+        for arg in ('XDG_CONFIG_HOME', 'HOME'):
+            if '$' + arg in file:
+                if arg in os.environ:
+                    file = file.replace('$' + arg, os.environ[arg].replace('$', '\0'))
+                else:
+                    file = None
+                    break
+        if file is not None:
+            file = file.replace('\0', '$')
+            if os.path.exists(file):
+                config_file = file
+                break
+if config_file is not None:
+    code = None
+    with open(file, 'rb') as script:
+        code = script.read()
+    code = code.decode('utf8', 'error') + '\n'
+    code = compile(code, file, 'exec')
+    g, l = globals(), dict(locals())
+    for key in l:
+        g[key] = l[key]
+    exec(code, g)
+else:
+    print('No configuration file found')
+    sys.exit(1)
+
+
+## Run periodically if configured to
+if periodically is not None:
+    continuous_run()
+
 close_c_bindings()