dnf-json: disable pylint warnings

The _dnfrepo is full of branches, turn off warning.

The keyfile doesn't use 'with' because the file needs to remain
available when the function exits. Cleanup of persistdir will clean up
the temporary file used for the key.

dnf-json

@@ -56,6 +56,7 @@ class Solver():
             self.base.repos.add(self._dnfrepo(repo, self.base.conf))
         self.base.fill_sack(load_system_repo=False)
 
+    # pylint: disable=too-many-branches
     @staticmethod
     def _dnfrepo(desc, parent_conf=None):
         """Makes a dnf.repo.Repo out of a JSON repository description"""
@@ -98,6 +99,9 @@ class Solver():
 
             for key in desc["gpgkeys"]:
                 if key.startswith("-----BEGIN PGP PUBLIC KEY BLOCK-----"):
+                    # Not using with because it needs to be a valid file for the duration. It
+                    # is inside the temporary persistdir so will be cleaned up on exit.
+                    # pylint: disable=consider-using-with
                     keyfile = tempfile.NamedTemporaryFile(dir=keydir, delete=False)
                     keyfile.write(key.encode("utf-8"))
                     repo.gpgkey.append(f"file://{keyfile.name}")