Add back user auth

helium_commander/commands/user.py

@@ -21,3 +21,16 @@ def list(client):
     """
     user = User.singleton(client)
     User.display(client, [user])
+
+
+@cli.command()
+@click.argument('email')
+@click.argument('password')
+@pass_client
+def auth(client, email, password):     # pragma: no cover
+    """Authenticate a user.
+
+    Authenticates the given EMAIL and PASSWORD and displays the api key.
+    """
+    user = User.authenticate(client, email, password)
+    click.echo(user.meta.api_token)

helium_commander/user.py

@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 from helium import User
+from helium import response_json
 
 
 def display_map(cls, client):
@@ -21,4 +22,15 @@ def _email(self):
     ])
     return dict
 
+
+def authenticate(cls, client, email, password):   # pragma: no cover
+    url = client._build_url('user', 'auth')
+    json = {
+        'email': email,
+        'password': password
+    }
+    json = response_json(client.post(url, json=json), 200, extract=None)
+    return cls._mk_one(client, json)
+
 User.display_map = classmethod(display_map)
+User.authenticate = classmethod(authenticate)