include version in --version output

notebook/nbextensions.py

@@ -24,6 +24,7 @@ from jupyter_core.paths import jupyter_data_dir, jupyter_path, SYSTEM_JUPYTER_PA
 from ipython_genutils.path import ensure_dir_exists
 from ipython_genutils.py3compat import string_types, cast_unicode_py2
 from ipython_genutils.tempdir import TemporaryDirectory
+from ._version import __version__
 
 class ArgumentConflict(ValueError):
     pass
@@ -258,7 +259,7 @@ aliases = {
 
 class InstallNBExtensionApp(JupyterApp):
     """Entry point for installing notebook extensions"""
-    
+    version = __version__
     description = """Install Jupyter notebook extensions
     
     Usage
@@ -317,7 +318,7 @@ class InstallNBExtensionApp(JupyterApp):
 
 class NBExtensionApp(JupyterApp):
     name = "jupyter nbextension"
-
+    version = __version__
     description = "Work with Jupyter notebook extensions"
 
     subcommands = dict(

notebook/notebookapp.py

@@ -52,6 +52,7 @@ from tornado.log import LogFormatter, app_log, access_log, gen_log
 from notebook import (
     DEFAULT_STATIC_FILES_PATH,
     DEFAULT_TEMPLATE_PATH_LIST,
+    __version__,
 )
 from .base.handlers import Template404
 from .log import log_request
@@ -269,7 +270,7 @@ class NotebookWebApplication(web.Application):
 
 
 class NbserverListApp(JupyterApp):
-    
+    version = __version__
     description="List currently running notebook servers in this profile."
     
     flags = dict(
@@ -341,7 +342,7 @@ aliases.update({
 class NotebookApp(JupyterApp):
 
     name = 'jupyter-notebook'
-    
+    version = __version__
     description = """
         The Jupyter HTML Notebook.