common: Move all_same into _itertools

server/entertainment_decider/common.py

@@ -3,7 +3,6 @@ import subprocess
 import sys
 from typing import (
     IO,
-    Iterable,
     Literal,
     Optional,
     Sequence,
@@ -12,12 +11,6 @@ from typing import (
 )
 
 
-def all_same(iterable: Iterable) -> bool:
-    it = iter(iterable)
-    first = next(it)
-    return all(first == elem for elem in it)
-
-
 def call(
     args: Sequence[str],
     check: bool = True,

server/entertainment_decider/common/__init__.py

@@ -1,4 +1,5 @@
 from ._itertools import (
+    all_same,
     fix_iter,
     iter_lookahead,
     limit_iter,
@@ -6,6 +7,7 @@ from ._itertools import (
 
 
 __all__ = [
+    "all_same",
     "fix_iter",
     "iter_lookahead",
     "limit_iter",

server/entertainment_decider/common/_itertools.py

@@ -13,6 +13,15 @@ from typing import (
 T = TypeVar("T")
 
 
+# check Iterable for same values
+
+
+def all_same(iterable: Iterable) -> bool:
+    it = iter(iterable)
+    first = next(it)
+    return all(first == elem for elem in it)
+
+
 # fix Iterables