Trie repr.

[python_utils.git] / persistent.py

diff --git a/persistent.py b/persistent.py
index ecf39c40be7e578f8d5d3b29835058074594416d..0ba931521a8841968068a6c7d97eb78edd86f78c 100644 (file)
--- a/persistent.py
+++ b/persistent.py
@@ -31,7 +31,7 @@ class Persistent(ABC):
 def reuse_if_mtime_is_today() -> Callable[[datetime.datetime], bool]:
     """
     A helper that returns a lambda appropriate for use in the
-    persistent_autoload_singleton decorator's may_reuse_persisted
+    persistent_autoloaded_singleton decorator's may_reuse_persisted
     parameter that allows persisted state to be reused as long as it
     was persisted on the same day as the load.
 
@@ -49,7 +49,7 @@ def reuse_if_mtime_less_than_limit_sec(
 ) -> Callable[[datetime.datetime], bool]:
     """
     A helper that returns a lambda appropriate for use in the
-    persistent_autoload_singleton decorator's may_reuse_persisted
+    persistent_autoloaded_singleton decorator's may_reuse_persisted
     parameter that allows persisted state to be reused as long as it
     was persisted within the past limit_seconds.
 
@@ -58,6 +58,11 @@ def reuse_if_mtime_less_than_limit_sec(
     return lambda dt: (now - dt).total_seconds() <= limit_seconds
 
 
+def dont_reuse_persisted_state_force_refresh(
+) -> Callable[[datetime.datetime], bool]:
+    return lambda dt: False
+
+
 class PersistAtShutdown(enum.Enum):
     """
     An enum to describe the conditions under which state is persisted
@@ -69,7 +74,7 @@ class PersistAtShutdown(enum.Enum):
     ALWAYS = 2,
 
 
-class persistent_autoload_singleton(Persistent):
+class persistent_autoloaded_singleton(Persistent):
     """This class is meant to be used as a decorator around a class that:
 
         1. Is a singleton; one global instance per python program.
@@ -80,7 +85,7 @@ class persistent_autoload_singleton(Persistent):
 
     Here's and example usage pattern:
 
-        @persistent_autoload_singleton(
+        @persistent_autoloaded_singleton(
             filename = "my_cache_file.bin",
             may_reuse_persisted = reuse_if_mtime_less_than_limit_sec(60),
             persist_at_shutdown = PersistAtShutdown.IF_NOT_INITIALIZED_FROM_DISK,