refactor: remove py2 imports

Author: TaykYoku

src/DIRAC/FrameworkSystem/DB/AuthDB.py

@@ -1,9 +1,5 @@
 """ AuthDB class is a front-end to the AuthDB MySQL Database (via SQLAlchemy)
 """
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import json
 import time
 import pprint
@@ -13,16 +9,13 @@
 from sqlalchemy.orm.exc import MultipleResultsFound, NoResultFound
 from sqlalchemy.ext.declarative import declarative_base
 
-import authlib
 from authlib.jose import KeySet, JsonWebKey
 from authlib.common.security import generate_token
 
 from DIRAC import S_OK, S_ERROR
 from DIRAC.Core.Base.SQLAlchemyDB import SQLAlchemyDB
 from DIRAC.FrameworkSystem.private.authorization.utils.Tokens import OAuth2Token
 
-__RCSID__ = "$Id$"
-
 
 Model = declarative_base()
 

src/DIRAC/FrameworkSystem/private/authorization/AuthServer.py

@@ -1,8 +1,4 @@
 """ This class provides authorization server activity. """
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import re
 import six
 import json

src/DIRAC/FrameworkSystem/private/authorization/utils/Clients.py

@@ -1,17 +1,11 @@
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import six
 import time
-import pprint
 
-from DIRAC import gConfig, gLogger
+from DIRAC import gLogger
 from authlib.oauth2.rfc6749.util import scope_to_list, list_to_scope
 from authlib.integrations.sqla_oauth2 import OAuth2ClientMixin
 from DIRAC.ConfigurationSystem.Client.Utilities import getAuthorizationServerMetadata
 
-__RCSID__ = "$Id$"
 
 # Description of default DIRAC OAuth2 clients
 DEFAULT_CLIENTS = {

src/DIRAC/FrameworkSystem/private/authorization/utils/Requests.py

@@ -1,7 +1,3 @@
-from __future__ import absolute_import
-from __future__ import division
-from __future__ import print_function
-
 import re
 
 from tornado.escape import json_decode
@@ -10,8 +6,6 @@
 from authlib.oauth2.rfc6749.util import scope_to_list
 from urllib.parse import quote
 
-__RCSID__ = "$Id$"
-
 
 class OAuth2Request(_OAuth2Request):
     """OAuth2 request object"""

src/DIRAC/FrameworkSystem/scripts/dirac_login.py

@@ -1,8 +1,4 @@
 #!/usr/bin/env python
-########################################################################
-# File :    dirac-login.py
-# Author :  Andrii Lytovchenko
-########################################################################
 """
 With this command you can log in to DIRAC.
 
@@ -20,10 +16,6 @@
   # Return token
   $ dirac-login dirac_user --token
 """
-from __future__ import division
-from __future__ import absolute_import
-from __future__ import print_function
-
 import os
 import sys
 import copy
@@ -45,8 +37,6 @@
     getTokenFileLocation,
 )
 
-__RCSID__ = "$Id$"
-
 
 class Params(object):
     """This class describes the input parameters"""

src/DIRAC/FrameworkSystem/scripts/dirac_logout.py

@@ -1,18 +1,10 @@
 #!/usr/bin/env python
-########################################################################
-# File :    dirac-logout.py
-# Author :  Andrii Lytovchenko
-########################################################################
 """
 Logout
 
 Example:
   $ dirac-logout
 """
-from __future__ import division
-from __future__ import absolute_import
-from __future__ import print_function
-
 import os
 import sys
 
@@ -28,8 +20,6 @@
     BEARER_TOKEN_ENV,
 )
 
-__RCSID__ = "$Id$"
-
 
 class Params(object):
     def __init__(self):