WIP - Work on base classes

src/importer/source.py

@@ -0,0 +1,60 @@
+from collections.abc import Iterable, Iterator
+from enum import IntEnum, auto
+
+
+class SourceIterator(Iterator):
+    """Data producer for a source of games"""
+
+    class States(IntEnum):
+        DEFAULT = auto()
+        READY = auto()
+    
+    state = States.DEFAULT
+    source = None
+
+    def __init__(self, source) -> None:
+        super().__init__()
+        self.source = source
+
+    def __iter__(self):
+        return self
+
+    def __next__(self):
+        raise NotImplementedError()
+
+
+class Source(Iterable):
+    """Source of games. Can be a program location on disk with a config file that points to game for example"""
+
+    win = None
+    name: str = "GenericSource"
+    variant: str = None
+
+    # Format to construct the executable command for a game.
+    # Available field names depend on the implementation 
+    executable_format: str
+
+    def __init__(self, win) -> None:
+        super().__init__()
+        self.win = win
+
+    @property
+    def full_name(self):
+        """Get the source's full name"""
+        s = self.name
+        if self.variant is not None:
+            s += " (%s)" % self.variant
+        return s
+
+    @property
+    def game_id_format(self):
+        """Get the string format used to construct game IDs"""
+        _format = self.name.lower()
+        if self.variant is not None: 
+            _format += "_" + self.variant.lower()
+        _format += "_{game_id}_{game_internal_id}"
+        return _format
+
+    def __iter__(self):
+        """Get the source's iterator, to use in for loops"""
+        raise NotImplementedError()