X-Git-Url: https://git.kaliko.me/?a=blobdiff_plain;f=sima%2Flib%2Fmeta.py;h=7cfb54fa56a63545c50f2b651bea8109ba2dfba7;hb=4ea8f2fe3f29fe09e7a3ab60ac781d54841db5bb;hp=f79ed1dc7fef860e1117782838eef86b44efad60;hpb=5155de9f17342ee68f19196d7658751883f4145a;p=mpd-sima.git

diff --git a/sima/lib/meta.py b/sima/lib/meta.py
index f79ed1d..7cfb54f 100644
--- a/sima/lib/meta.py
+++ b/sima/lib/meta.py
@@ -46,7 +46,7 @@ def is_uuid4(uuid):
 
 class MetaException(Exception):
     """Generic Meta Exception"""
-    pass
+
 
 def mbidfilter(func):
     def wrapper(*args, **kwargs):
@@ -58,6 +58,14 @@ def mbidfilter(func):
         func(*args, **kwargs)
     return wrapper
 
+def serialize(func):
+    def wrapper(*args, **kwargs):
+        ans = func(*args, **kwargs)
+        if isinstance(ans, set):
+            return {s.replace("'", r"\'") for s in ans}
+        return ans.replace("'", r"\'")
+    return wrapper
+
 
 class Meta:
     """
@@ -77,13 +85,13 @@ class Meta:
 
     def __init__(self, **kwargs):
         """Meta(name=<str>[, mbid=UUID4])"""
-        self.__name = None #TODO: should be immutable
+        self.__name = None  # TODO: should be immutable
         self.__mbid = None
         self.__aliases = set()
         self.log = logging.getLogger(__name__)
         if 'name' not in kwargs or not kwargs.get('name'):
             raise MetaException('Need a "name" argument (str type)')
-        elif not isinstance(kwargs.get('name'), str):
+        if not isinstance(kwargs.get('name'), str):
             raise MetaException('"name" argument not a string')
         else:
             self.__name = kwargs.pop('name')
@@ -110,9 +118,9 @@ class Meta:
         #if hasattr(other, 'mbid'):  # better isinstance?
         if isinstance(other, Meta) and self.mbid and other.mbid:
             return self.mbid == other.mbid
-        elif isinstance(other, Meta):
+        if isinstance(other, Meta):
             return bool(self.names & other.names)
-        elif getattr(other, '__str__', None):
+        if getattr(other, '__str__', None):
             # is other.__str__() in self.__name or self.__aliases
             return other.__str__() in self.names
         return False
@@ -142,6 +150,11 @@ class Meta:
     def name(self):
         return self.__name
 
+    @property
+    @serialize
+    def name_sz(self):
+        return self.name
+
     @property
     def mbid(self):
         return self.__mbid
@@ -150,19 +163,34 @@ class Meta:
     def aliases(self):
         return self.__aliases
 
+    @property
+    @serialize
+    def aliases_sz(self):
+        return self.aliases
+
     @property
     def names(self):
         """aliases + name"""
         return self.__aliases | {self.__name,}
 
+    @property
+    @serialize
+    def names_sz(self):
+        return self.names
+
 
 class Album(Meta):
     """Album object"""
 
+    @mbidfilter
+    def __init__(self, name=None, mbid=None, **kwargs):
+        super().__init__(name=name, mbid=mbid, **kwargs)
+
     @property
     def album(self):
         return self.name
 
+
 class Artist(Meta):
     """Artist object deriving from :class:`Meta`.