From 3e31b54d349eb136f0d96eb81309fdaf4ad35fcf Mon Sep 17 00:00:00 2001
From: David Shepherd <davidshepherd7@gmail.com>
Date: Sat, 15 Feb 2020 11:48:52 +0000
Subject: [PATCH] Revert "Use fastdiff for faster diffing"

This reverts commit 56d9efdaa37c39c7f644726e0d34c89b09ff9568.
---
 setup.py             | 2 +-
 snapshottest/diff.py | 9 +++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/setup.py b/setup.py
index 1baefd8..690713e 100644
--- a/setup.py
+++ b/setup.py
@@ -23,7 +23,7 @@
         'nose.plugins.0.10':
         ['snapshottest = snapshottest.nose:SnapshotTestPlugin']
     },
-    install_requires=['six>=1.10.0', 'termcolor', 'fastdiff>=0.1.4,<1'],
+    install_requires=['six>=1.10.0', 'termcolor'],
     tests_require=tests_require,
     extras_require={
         'test': tests_require,
diff --git a/snapshottest/diff.py b/snapshottest/diff.py
index 5fddf66..83c599a 100644
--- a/snapshottest/diff.py
+++ b/snapshottest/diff.py
@@ -1,5 +1,5 @@
+from difflib import Differ
 from termcolor import colored
-from fastdiff import compare
 
 from .sorted_dict import SortedDict
 from .formatter import Formatter
@@ -23,6 +23,7 @@ def format_line(line):
 class PrettyDiff(object):
     def __init__(self, obj, snapshottest):
         self.pretty = Formatter()
+        self.differ = Differ()
         self.snapshottest = snapshottest
         if isinstance(obj, dict):
             obj = SortedDict(**obj)
@@ -35,10 +36,10 @@ def __repr__(self):
         return repr(self.obj)
 
     def get_diff(self, other):
-        text1 = 'Received \n\n' + self.pretty(self.obj)
-        text2 = 'Snapshot \n\n' + self.pretty(other)
+        text1 = ['Received ', ''] + self.pretty(self.obj).splitlines(1)
+        text2 = ['Snapshot ', ''] + self.pretty(other).splitlines(1)
 
-        lines = list(compare(text2, text1))
+        lines = list(self.differ.compare(text2, text1))
         return [
             format_line(line) for line in lines
         ]