Fix lint errors with black

README.md

@@ -16,9 +16,10 @@ This program expects Python3 and PIP to be installed. It's known to work on Open
 sudo pip3 install argparse
 sudo pip3 install yamale
 sudo pip3 install pyyaml
-sudo pip3 install pyinstaller
 sudo pip3 install netaddr
 sudo pip3 install ipaddress
+sudo pip3 install pyinstaller
+sudo pip3 install black
 
 ## Ensure all unittests pass.
 ./tests.py -d -t unittest/yaml/*.yaml

vppcfg

@@ -30,26 +30,108 @@ except ImportError:
 
 def main():
     parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter)
-    parser.add_argument('-d', '--debug', dest='debug', action='store_true', help="""enable debug logging, default False""")
+    parser.add_argument(
-    parser.add_argument('-q', '--quiet', dest='quiet', action='store_true', help="""be quiet (only warnings/errors), default False""")
+        "-d",
-    parser.add_argument('-f', '--force', dest='force', action='store_true', help="""force progress despite warnings, default False""")
+        "--debug",
+        dest="debug",
+        action="store_true",
+        help="""enable debug logging, default False""",
+    )
+    parser.add_argument(
+        "-q",
+        "--quiet",
+        dest="quiet",
+        action="store_true",
+        help="""be quiet (only warnings/errors), default False""",
+    )
+    parser.add_argument(
+        "-f",
+        "--force",
+        dest="force",
+        action="store_true",
+        help="""force progress despite warnings, default False""",
+    )
 
-    subparsers = parser.add_subparsers(dest='command')
+    subparsers = parser.add_subparsers(dest="command")
-    check_p = subparsers.add_parser('check', help="check given YAML config for validity (no VPP)")
+    check_p = subparsers.add_parser(
-    check_p.add_argument('-s', '--schema', dest='schema', type=str, help="""YAML schema validation file, default to use built-in""")
+        "check", help="check given YAML config for validity (no VPP)"
-    check_p.add_argument('-c', '--config', dest='config', required=True, type=str, help="""YAML configuration file for vppcfg""")
+    )
+    check_p.add_argument(
+        "-s",
+        "--schema",
+        dest="schema",
+        type=str,
+        help="""YAML schema validation file, default to use built-in""",
+    )
+    check_p.add_argument(
+        "-c",
+        "--config",
+        dest="config",
+        required=True,
+        type=str,
+        help="""YAML configuration file for vppcfg""",
+    )
 
-    dump_p = subparsers.add_parser('dump', help="dump current running VPP configuration (VPP readonly)")
+    dump_p = subparsers.add_parser(
-    dump_p.add_argument('-o', '--output', dest='outfile', required=False, default='-', type=str, help="""Output file for YAML config, default stdout""")
+        "dump", help="dump current running VPP configuration (VPP readonly)"
+    )
+    dump_p.add_argument(
+        "-o",
+        "--output",
+        dest="outfile",
+        required=False,
+        default="-",
+        type=str,
+        help="""Output file for YAML config, default stdout""",
+    )
 
-    plan_p = subparsers.add_parser('plan', help="plan changes from current VPP dataplane to target config (VPP readonly)")
+    plan_p = subparsers.add_parser(
-    plan_p.add_argument('-s', '--schema', dest='schema', type=str, help="""YAML schema validation file, default to use built-in""")
+        "plan",
-    plan_p.add_argument('-c', '--config', dest='config', required=True, type=str, help="""YAML configuration file for vppcfg""")
+        help="plan changes from current VPP dataplane to target config (VPP readonly)",
-    plan_p.add_argument('-o', '--output', dest='outfile', required=False, default='-', type=str, help="""Output file for VPP CLI commands, default stdout""")
+    )
+    plan_p.add_argument(
+        "-s",
+        "--schema",
+        dest="schema",
+        type=str,
+        help="""YAML schema validation file, default to use built-in""",
+    )
+    plan_p.add_argument(
+        "-c",
+        "--config",
+        dest="config",
+        required=True,
+        type=str,
+        help="""YAML configuration file for vppcfg""",
+    )
+    plan_p.add_argument(
+        "-o",
+        "--output",
+        dest="outfile",
+        required=False,
+        default="-",
+        type=str,
+        help="""Output file for VPP CLI commands, default stdout""",
+    )
 
-    apply_p = subparsers.add_parser('apply', help="apply changes from current VPP dataplane to target config")
+    apply_p = subparsers.add_parser(
-    apply_p.add_argument('-s', '--schema', dest='schema', type=str, help="""YAML schema validation file, default to use built-in""")
+        "apply", help="apply changes from current VPP dataplane to target config"
-    apply_p.add_argument('-c', '--config', dest='config', required=True, type=str, help="""YAML configuration file for vppcfg""")
+    )
+    apply_p.add_argument(
+        "-s",
+        "--schema",
+        dest="schema",
+        type=str,
+        help="""YAML schema validation file, default to use built-in""",
+    )
+    apply_p.add_argument(
+        "-c",
+        "--config",
+        dest="config",
+        required=True,
+        type=str,
+        help="""YAML configuration file for vppcfg""",
+    )
 
     args = parser.parse_args()
     if not args.command:
@@ -62,7 +144,9 @@ def main():
         level = logging.DEBUG
     if args.quiet:
         level = logging.WARNING
-    logging.basicConfig(format='[%(levelname)-8s] %(name)s.%(funcName)s: %(message)s', level=level)
+    logging.basicConfig(
+        format="[%(levelname)-8s] %(name)s.%(funcName)s: %(message)s", level=level
+    )
 
     if args.command == "dump":
         d = Dumper()
@@ -102,7 +186,9 @@ def main():
         sys.exit(-5)
 
     if not r.lcps_exist_with_lcp_enabled():
-        logging.error("Linux Control Plane is needed, but linux-cp API is not available")
+        logging.error(
+            "Linux Control Plane is needed, but linux-cp API is not available"
+        )
         sys.exit(-6)
 
     failed = False
@@ -139,5 +225,7 @@ def main():
         sys.exit(0)
 
     sys.exit(0)
+
+
 if __name__ == "__main__":
     main()