1 files changed, 27 insertions, 2 deletions
diff --git a/tablib/core.py b/tablib/core.py
index a7a2963..90ef2b0 100644
--- a/tablib/core.py
+++ b/tablib/core.py
@@ -20,6 +20,9 @@ class Dataset(object):
 	def __init__(self, *args, **kwargs):
 		self._data = list(args)
 		self.__headers = None
+		
+		# ('title', index) tuples
+		self._separators = []
 
 		try:
 			self.headers = kwargs['headers']
@@ -33,6 +36,7 @@ class Dataset(object):
 
 		self._register_formats()
 
+		
 	def __len__(self):
 		return self.height
 
@@ -203,7 +207,26 @@ class Dataset(object):
 				self._data = [tuple([row]) for row in col]
 
 
-	def insert(self, i, row=None, col=None):
+	def insert_separator(self, index, text='-'):
+		"""Adds a separator to Dataset at given index."""
+
+		sep = (index, text)
+		self._separators.append(sep)
+
+
+	def append_separator(self, text='-'):
+		"""Adds a separator to Dataset."""
+
+		# change offsets if headers are or aren't defined
+		if not self.headers:
+			index = self.height if self.height else 0
+		else:
+			index = (self.height + 1) if self.height else 1
+
+		self.insert_separator(index, text)
+
+
+	def insert(self, i, row=None):
 		"""Inserts a row at given position in Dataset"""
 		if row:
 			self._validate(row)
@@ -234,9 +257,11 @@ class Databook(object):
 		except AttributeError:
 			return '<databook object>'
 
+
 	def wipe(self):
 		"""Wipe book clean."""
 		self._datasets = []
+
 		
 	@classmethod
 	def _register_formats(cls):
@@ -258,7 +283,7 @@ class Databook(object):
 			self._datasets.append(dataset)
 		else:
 			raise InvalidDatasetType
-
+		
 
 	def _package(self):
 		"""Packages Databook for delivery."""