From 41781767b3b95e3298c59774e7959ad109e9d01b Mon Sep 17 00:00:00 2001
From: Dominic Davis-Foster <dominic@davis-foster.co.uk>
Date: Sun, 10 Dec 2023 23:13:00 +0000
Subject: [PATCH] Add splitlines method to StringList for textwrap.indent

---
 domdf_python_tools/stringlist.py | 12 ++++++++++++
 tests/test_stringlist.py         | 10 ++++++++++
 2 files changed, 22 insertions(+)

diff --git a/domdf_python_tools/stringlist.py b/domdf_python_tools/stringlist.py
index 2f376273..af892096 100644
--- a/domdf_python_tools/stringlist.py
+++ b/domdf_python_tools/stringlist.py
@@ -463,6 +463,18 @@ def with_indent_type(self, indent_type: str = '\t'):
 		finally:
 			self.indent_type = original_indent_type
 
+	def splitlines(self, keepends: bool = False) -> List[str]:
+		"""
+		Analagous to :meth:`str.splitlines`.
+
+		.. versionadded:: 3.8.0
+		"""
+
+		if keepends:
+			return [line + '\n' for line in self]
+		else:
+			return self
+
 
 class DelimitedList(List[_S]):
 	"""
diff --git a/tests/test_stringlist.py b/tests/test_stringlist.py
index 83af8e98..e3b09ad0 100644
--- a/tests/test_stringlist.py
+++ b/tests/test_stringlist.py
@@ -1,6 +1,8 @@
 # stdlib
 import pickle
+import textwrap
 from textwrap import dedent
+from typing import no_type_check
 
 # 3rd party
 import pytest
@@ -558,3 +560,11 @@ def test_splitlines(string, lines):
 @joinlines_splitlines_param
 def test_joinlines(string, lines):
 	assert string == joinlines(lines)
+
+
+@no_type_check
+def test_textwrap_indent():
+	sl = StringList(['', '', "hello", "world", '', '', '', "1234"])
+	assert textwrap.indent(sl, "    ") == "\n\n    hello\n    world\n\n\n\n    1234\n"
+	assert textwrap.indent(sl, '\t') == "\n\n\thello\n\tworld\n\n\n\n\t1234\n"
+	assert textwrap.indent(sl, ">>> ") == "\n\n>>> hello\n>>> world\n\n\n\n>>> 1234\n"