1 files changed, 9 insertions, 19 deletions
diff --git a/jimbrella/utils.py b/jimbrella/utils.py
index ce57bf9..31fafbc 100644
--- a/jimbrella/utils.py
+++ b/jimbrella/utils.py
@@ -21,22 +21,12 @@ def human_timedelta(delta: timedelta) -> str:
     return days + f"{hours:0>2}:{minutes:0>2}"  # zero-pad to two digits
 
 
-class UTCPlus8(tzinfo):
-    def __init__(self):
-        super().__init__()
-
-    def utcoffset(self, dt):
-        return timedelta(hours=8)
-
-    def dst(self, dt):
-        return timedelta(0)
-
-    def tzname(self, dt):
-        return "+8:00"
-
-
-utc_plus_8 = UTCPlus8()
-
-
-def local_now():
-    return datetime.now(tz=utc_plus_8)
+def group_by_key(data: list, key: str) -> dict:
+    """Groups a list of dicts by the value of their `key` into a dict of lists of dicts."""
+    keys = set([item[key] for item in data])
+    # initiate a dict with `keys` as keys and [] as values
+    groups = dict.fromkeys(keys, [])
+    for k in keys:
+        groups[k] = [item for item in data if item[key] == k]
+
+    return groups