ignore ctrl-c in py2 wrapper

pandora/manage.py

@@ -1,7 +1,32 @@
 #!/usr/bin/env python
 import os
+import signal
 import sys
 
+class DelayedSignalHandler(object):
+    def __init__(self, managed_signals):
+        self.managed_signals = managed_signals
+        self.managed_signals_queue = list()
+        self.old_handlers = dict()
+
+    def _handle_signal(self, caught_signal, frame):
+        #self.managed_signals_queue.append((caught_signal, frame))
+        pass
+
+    def __enter__(self):
+        for managed_signal in self.managed_signals:
+            old_handler = signal.signal(managed_signal, self._handle_signal)
+            self.old_handlers[managed_signal] = old_handler
+
+    def __exit__(self, *_):
+        for managed_signal, old_handler in self.old_handlers.iteritems():
+            signal.signal(managed_signal, old_handler)
+        '''
+        for managed_signal, frame in self.managed_signals_queue:
+            self.old_handlers[managed_signal](managed_signal, frame)
+        '''
+
+
 root_dir = os.path.normpath(os.path.abspath(os.path.dirname(__file__)))
 os.chdir(root_dir)
 
@@ -10,7 +35,9 @@ python3 = os.path.normpath(os.path.join(root_dir, '..', 'bin', 'python3'))
 if os.path.exists(python3) and sys.version_info[0] == 2:
     import subprocess
     cmd = [python3] + sys.argv
-    sys.exit(subprocess.call(cmd))
+    with DelayedSignalHandler((signal.SIGINT, signal.SIGTERM, signal.SIGHUP)):
+        exit_value = subprocess.call(cmd)
+    sys.exit(exit_value)
 
 # using virtualenv's activate_this.py to reorder sys.path
 activate_this = os.path.normpath(os.path.join(root_dir, '..', 'bin', 'activate_this.py'))