feat: contrib module framework

app/utils/__init__.py

@@ -0,0 +1,4 @@
+from .locks import lock_function
+from .xls import XLSDictReader
+
+__all__ = ['lock_function', 'XLSDictReader']

app/utils/locks.py

@@ -0,0 +1,19 @@
+"""Utilities for managing locks."""
+
+from functools import wraps
+
+
+def lock_function(lock):
+    """Lock a function but always release that lock."""
+    def decorator(func):
+        """Lock a function but always release that lock."""
+        @wraps(func)
+        def wrapper(*args, **kwargs):
+            """Lock a function but always release that lock."""
+            try:
+                lock.acquire()
+                return func(*args, **kwargs)
+            finally:
+                lock.release()
+        return wrapper
+    return decorator

app/utils.py → app/utils/xls.py

@@ -1,27 +1,10 @@
-"""Utilities for the entire app."""
+"""Excel utilities."""
 
 from collections import OrderedDict
-from functools import wraps
 
 import xlrd
 
 
-def lock_function(lock):
-    """Lock a function but always release that lock."""
-    def decorator(func):
-        """Lock a function but always release that lock."""
-        @wraps(func)
-        def wrapper(*args, **kwargs):
-            """Lock a function but always release that lock."""
-            try:
-                lock.acquire()
-                return func(*args, **kwargs)
-            finally:
-                lock.release()
-        return wrapper
-    return decorator
-
-
 class XLSDictReader:  # pylint: disable=too-few-public-methods
     """
     A csv.DictReader-like class from xls(x) files.