Log uncaught exceptions

app/log.py

@@ -2,6 +2,8 @@
 
 import logging
 import logging.handlers
+import sys
+import traceback
 
 from config import Config
 
@@ -45,10 +47,23 @@ log.addHandler(stderr)
 log.addHandler(syslog)
 
 
+def log_uncaught_exceptions(ex_cls, ex, tb):
+
+    logging.critical(''.join(traceback.format_tb(tb)))
+    logging.critical('{0}: {1}'.format(ex_cls, ex))
+
+
+sys.excepthook = log_uncaught_exceptions
+
+
 def DEBUG(msg):
     log.debug(msg)
 
 
+def EXCEPTION(msg):
+    log.exception(msg)
+
+
 def ERROR(msg):
     log.error(msg)
 
@@ -61,3 +76,18 @@ if __name__ == "__main__":
     DEBUG("hi debug")
     ERROR("hi error")
     INFO("hi info")
+    EXCEPTION("hi exception")
+
+    def f():
+        return g()
+
+    def g():
+        return h()
+
+    def h():
+        return i()
+
+    def i():
+        1 / 0
+
+    f()