print info string on interrupt, log it on startup

IPython/frontend/html/notebook/azurenbmanager.py

@@ -139,5 +139,5 b' class AzureNotebookManager(NotebookManager):'
         else:
             self.delete_notebook_id(notebook_id)
 
-    def log_info(self):
-        self.log.info("Serving notebooks from Azure storage: %s, %s", self.account_name, self.container)
+    def info_string(self):
+        return "Serving notebooks from Azure storage: %s, %s" % (self.account_name, self.container)

IPython/frontend/html/notebook/filenbmanager.py

@@ -191,6 +191,6 b' class FileNotebookManager(NotebookManager):'
             else:
                 i = i+1
         return name
-
-    def log_info(self):
-        self.log.info("Serving notebooks from local directory: %s", self.notebook_dir)
+        
+    def info_string(self):
+        return "Serving notebooks from local directory: %s" % self.notebook_dir

IPython/frontend/html/notebook/nbmanager.py

@@ -207,4 +207,8 b' class NotebookManager(LoggingConfigurable):'
         return notebook_id
 
     def log_info(self):
-        self.log.info("Serving notebooks")
  No newline at end of file
+        self.log.info(self.info_string())
+    
+    def info_string(self):
+        return "Serving notebooks"
+

IPython/frontend/html/notebook/notebookapp.py

@@ -581,8 +581,8 b' class NotebookApp(BaseIPythonApplication):'
         time.sleep(0.1)
         info = self.log.info
         info('interrupted')
-        self.print_notebook_info()
-        info("Shutdown this notebook server (y/[n])? ")
+        print self.notebook_info()
+        sys.stdout.write("Shutdown this notebook server (y/[n])? ")
         sys.stdout.flush()
         r,w,x = select.select([sys.stdin], [], [], 5)
         if r:
@@ -605,7 +605,7 b' class NotebookApp(BaseIPythonApplication):'
         ioloop.IOLoop.instance().stop()
 
     def _signal_info(self, sig, frame):
-        self.print_notebook_info()
+        print self.notebook_info()
     
     @catch_config_error
     def initialize(self, argv=None):
@@ -624,10 +624,10 b' class NotebookApp(BaseIPythonApplication):'
         self.log.info('Shutting down kernels')
         self.kernel_manager.shutdown_all()
 
-    def print_notebook_info(self):
-        "Print the current working directory and the server url information"
-        self.notebook_manager.log_info()
-        self.log.info("The IPython Notebook is running at: %s" % self._url)
+    def notebook_info(self):
+        "Return the current working directory and the server url information"
+        mgr_info = self.notebook_manager.info_string() + "\n"
+        return mgr_info +"The IPython Notebook is running at: %s" % self._url
 
     def start(self):
         """ Start the IPython Notebok server app, after initialization
@@ -639,7 +639,8 b' class NotebookApp(BaseIPythonApplication):'
         info = self.log.info
         self._url = "%s://%s:%i%s" % (proto, ip, self.port,
                                       self.base_project_url)
-        self.print_notebook_info()
+        for line in self.notebook_info().split("\n"):
+            info(line)
         info("Use Control-C to stop this server and shut down all kernels.")
 
         if self.open_browser or self.file_to_run: