X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=dict_utils.py;h=451a87dadf08d8632ac6f593dfb592116a05779b;hb=a4bf4d05230474ad14243d67ac7f8c938f670e58;hp=1f211fee87c9f9841a50d7be93a6a88300343673;hpb=3a72a2f30518610ba0df5ae6948e4b123eb978e2;p=python_utils.git

diff --git a/dict_utils.py b/dict_utils.py
index 1f211fe..451a87d 100644
--- a/dict_utils.py
+++ b/dict_utils.py
@@ -3,12 +3,13 @@
 from itertools import islice
 from typing import Any, Callable, Dict, Iterator, List, Tuple
 
+
 def init_or_inc(
     d: Dict[Any, Any],
     key: Any,
     *,
     init_value: Any = 1,
-    inc_function: Callable[..., Any] = lambda x: x + 1
+    inc_function: Callable[..., Any] = lambda x: x + 1,
 ) -> bool:
     """
     Initialize a dict value (if it doesn't exist) or increments it (using the
@@ -37,6 +38,7 @@ def shard(d: Dict[Any, Any], size: int) -> Iterator[Dict[Any, Any]]:
     """
     Shards a dict into N subdicts which, together, contain all keys/values
     from the original unsharded dict.
+
     """
     items = d.items()
     for x in range(0, len(d), size):
@@ -45,6 +47,7 @@ def shard(d: Dict[Any, Any], size: int) -> Iterator[Dict[Any, Any]]:
 
 def coalesce_by_creating_list(key, new_value, old_value):
     from list_utils import flatten
+
     return flatten([new_value, old_value])
 
 
@@ -65,9 +68,9 @@ def raise_on_duplicated_keys(key, new_value, old_value):
 
 
 def coalesce(
-        inputs: Iterator[Dict[Any, Any]],
-        *,
-        aggregation_function: Callable[[Any, Any], Any] = coalesce_by_creating_list
+    inputs: Iterator[Dict[Any, Any]],
+    *,
+    aggregation_function: Callable[[Any, Any, Any], Any] = coalesce_by_creating_list,
 ) -> Dict[Any, Any]:
     """Merge N dicts into one dict containing the union of all keys /
     values in the input dicts.  When keys collide, apply the
@@ -220,7 +223,7 @@ def dict_to_key_value_lists(d: Dict[Any, Any]) -> Tuple[List[Any], List[Any]]:
     ['scott', '555-1212', '123 main st.', '12345']
 
     """
-    r = ([], [])
+    r: Tuple[List[Any], List[Any]] = ([], [])
     for (k, v) in d.items():
         r[0].append(k)
         r[1].append(v)
@@ -229,4 +232,5 @@ def dict_to_key_value_lists(d: Dict[Any, Any]) -> Tuple[List[Any], List[Any]]:
 
 if __name__ == '__main__':
     import doctest
+
     doctest.testmod()