user interface continuously prints status in initialised terminal

Signed-off-by: Mattias Andrée <maandree@operamail.com>

2 files changed, 87 insertions, 22 deletions

diff --git a/src/interface.py b/src/interface.py
new file mode 100644
index 0000000..d6535a2
--- /dev/null
+++ b/src/interface.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+# -*- python -*-
+'''
+nightshift - A terminal user interface for redshift
+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 sys
+import threading
+
+
+def user_interface():
+    '''
+    Start user interface
+    '''
+    print('\033[?1049h')
+    try:
+        sock.sendall('status\n'.encode('utf-8'))
+        def callback(status):
+            if status is None:
+                return
+            print('\033[H\033[2J', end = '')
+            for key in status:
+                print(key + ': ' + status[key])
+            #brightness = [float(status['%s brightness' % k]) for k in ('Night', 'Current', 'Daytime')]
+            #temperature = [float(status['%s temperature' % k]) for k in ('Night', 'Current', 'Daytime')]
+            #dayness = float(status['Dayness'])
+            #enabled = status['Enabled'] == 'yes'
+            #running = status['Running'] == 'yes'
+            #location = [float(status['Latitude']), float(status['Longitude'])]
+        thread = threading.Thread(target = ui_status, args = (callback,))
+        thread.setDaemon(True)
+        thread.start()
+        
+        input()
+    except:
+        pass
+    finally:
+        print('\033[?1049l')
+
+
+def ui_status(callback):
+    buf = ''
+    continue_to_run = True
+    while continue_to_run:
+        while '\n\n' not in buf:
+            got = sock.recv(1024)
+            if (got is None) or (len(got) == 0):
+                continue_to_run = False
+                break
+            buf += got.decode('utf-8', 'replace')
+            if '\n\n' in buf:
+                break
+        if continue_to_run:
+            msg, buf = buf.split('\n\n')[0], '\n\n'.join(buf.split('\n\n')[1:])
+            callback(dict([line.split(': ') for line in msg.split('\n')]))
+    callback(None)
+
diff --git a/src/nightshift.py b/src/nightshift.py
index 0804a7d..7992311 100755
--- a/src/nightshift.py
+++ b/src/nightshift.py
@@ -635,25 +635,22 @@ def run():
         do_client()
 
 
-def user_interface():
-    '''
-    Start user interface
-    '''
-    pass # TODO
-    buf = ''
-    continue_to_run = True
-    while continue_to_run:
-        while '\n\n' not in buf:
-            got = sock.recv(1024)
-            if (got is None) or (len(got) == 0):
-                continue_to_run = False
-                break
-            buf += got.decode('utf-8', 'replace')
-            if '\n\n' in buf:
-                break
-        msg, buf = buf.split('\n\n')[0] + '\n\n', '\n\n'.join(buf.split('\n\n')[1:])
-        sys.stdout.buffer.write(msg.encode('utf-8'))
-        sys.stdout.buffer.flush()
+g, l = globals(), dict(locals())
+for key in l:
+    g[key] = l[key]
+
+
+## Import interface.py with shared globals
+# Get the Python version
+v = sys.version_info
+if (v.major > 3) or ((v.major == 3) and (v.minor >= 4)):
+    # The (new) Python 3.4 way
+    import importlib.util
+    exec(importlib.util.find_spec('interface').loader.get_code('interface'), g)
+else:
+    # The deprecated legacy way
+    import importlib
+    exec(importlib.find_loader('interface').get_code('interface'), g)
 
 
 ## Load extension and configurations via blueshiftrc
@@ -717,9 +714,6 @@ if config_file is not None:
     # globals as this module, so that it can
     # not only use want we have defined, but
     # also redefine it for us.
-    g, l = globals(), dict(locals())
-    for key in l:
-        g[key] = l[key]
     exec(code, g)