utils.py

profilebase/utils.py

@@ -0,0 +1,32 @@
+import re
+
+
+uncamel_patterns = (
+    re.compile('(.)([A-Z][a-z]+)'),
+    re.compile('([a-z0-9])([A-Z])'),
+    )
+
+
+def uncamel(s):
+    """
+    Make camelcase lowercase and use underscores.
+
+        >>> uncamel('CamelCase')
+        'camel_case'
+        >>> uncamel('CamelCamelCase')
+        'camel_camel_case'
+        >>> uncamel('Camel2Camel2Case')
+        'camel2_camel2_case'
+        >>> uncamel('getHTTPResponseCode')
+        'get_http_response_code'
+        >>> uncamel('get2HTTPResponseCode')
+        'get2_http_response_code'
+        >>> uncamel('HTTPResponseCode')
+        'http_response_code'
+        >>> uncamel('HTTPResponseCodeXYZ')
+        'http_response_code_xyz'
+    """
+    for pat in uncamel_patterns:
+        s = pat.sub(r'\1_\2', s)
+    return s.lower()
+