fix: add snake_case utility

mcbeet · Nov 5, 2021 · 8009226 · 8009226
1 parent 718b36b
commit 8009226
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/beet/core/utils.py b/beet/core/utils.py
@@ -8,6 +8,7 @@
     "required_field",
     "intersperse",
     "normalize_string",
+    "snake_case",
     "log_time",
 ]
 
@@ -68,6 +69,13 @@ def normalize_string(string: str) -> str:
     return NORMALIZE_REGEX.sub("_", string.lower()).strip("_")
 
 
+CAMEL_REGEX = re.compile(r"((?<=[a-z0-9])[A-Z]|(?!^)[A-Z](?=[a-z]))")
+
+
+def snake_case(string: str) -> str:
+    return CAMEL_REGEX.sub(r"_\1", string).lower()
+
+
 time_logger = logging.getLogger("time")