+ Recursively computes the hashes from the file within given directory.
+
+ Parameters
+ ----------
+ directory : str or unicode
+ Directory to compute the file hashes.
+ filters_in : array_like
+ Included patterns.
+ filters_out : array_like
+ Excluded patterns.
+ flags : int
+ Regex flags.
+
+ Returns
+ -------
+ dict
+ Directory file hashes.