setup.py: Introduce pyjwt dependency

Hosted at: https://github.com/jpadilla/pyjwt

The dependency is declared as part of a new 'auth' extra target so that
it is not installed by default, but only if requested.

#144

.pylintrc

@@ -186,7 +186,8 @@ ignore-on-opaque-inference=yes
 # qualified names.
 ignored-classes=google.protobuf.any_pb2.Any,
                 google.protobuf.duration_pb2.Duration,
-                google.protobuf.timestamp_pb2.Timestamp
+                google.protobuf.timestamp_pb2.Timestamp,
+                jwt
 
 # List of module names for which member attributes should not be checked
 # (useful for modules/projects where namespaces are manipulated during runtime
@@ -462,6 +463,7 @@ known-third-party=boto3,
                   google,
                   grpc,
                   janus,
+                  jwt,
                   moto,
                   yaml
 

docs/source/installation.rst

@@ -59,20 +59,20 @@ have to adjust your ``PATH``, in ``~/.bashrc``, with:
 
 .. note::
 
-   The ``setup.py`` script defines two extra targets, ``docs`` and ``tests``,
-   that declare required dependency for, respectively, generating documentation
-   and running unit-tests. They can be use as helpers for setting up a
-   development environment. To use them simply run:
+   The ``setup.py`` script defines three extra targets, ``auth``, ``docs`` and
+   ``tests``. They declare required dependency for, respectively, authentication
+   and authorization management, generating documentation and running
+   unit-tests. They can be use as helpers for setting up a development
+   environment. To use them simply run:
 
    .. code-block:: sh
 
-      pip3 install --user --editable ".[docs,tests]"
-
+      pip3 install --user --editable ".[auth,docs,tests]"
 
 
 .. install-docker:
 
-Installation through docker
+Installation through Docker
 ---------------------------
 
 How to build a Docker image that runs BuildGrid.

setup.py

@@ -85,6 +85,11 @@ def get_cmdclass():
     }
     return cmdclass
 
+auth_require = [
+    'cryptography >= 1.8.0',  # Required by pyjwt for RSA
+    'pyjwt >= 1.5.0',
+]
+
 tests_require = [
     'coverage >= 4.5.0',
     'moto < 1.3.7',
@@ -130,6 +135,7 @@ setup(
     setup_requires=['pytest-runner'],
     tests_require=tests_require,
     extras_require={
+        'auth': auth_require,
         'docs': docs_require,
         'tests': tests_require,
     },