Fix: Raise an exception when trying to create a smart collection/playlist with items (#1377)

* Disallow using smart playlist with items

* Change exception message

Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

* Also check for state when creating collections

---------

Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com>

Author: glensc

plexapi/collection.py

@@ -503,6 +503,8 @@ def create(cls, server, title, section, items=None, smart=False, limit=None,
                 :class:`~plexapi.collection.Collection`: A new instance of the created Collection.
         """
         if smart:
+            if items:
+                raise BadRequest('Cannot create a smart collection with items.')
             return cls._createSmart(server, title, section, limit, libtype, sort, filters, **kwargs)
         else:
             return cls._create(server, title, section, items)

plexapi/playlist.py

@@ -434,6 +434,8 @@ def create(cls, server, title, section=None, items=None, smart=False, limit=None
         if m3ufilepath:
             return cls._createFromM3U(server, title, section, m3ufilepath)
         elif smart:
+            if items:
+                raise BadRequest('Cannot create a smart playlist with items.')
             return cls._createSmart(server, title, section, limit, libtype, sort, filters, **kwargs)
         else:
             return cls._create(server, title, items)