From 338910d52d16c04f50986743dbdb6c7dd14d2a76 Mon Sep 17 00:00:00 2001
From: Kevin Chung <kchung@ctfd.io>
Date: Fri, 29 May 2020 16:00:59 -0400
Subject: [PATCH] Switch from mistune to cmarkgfm (#1414)

* Switch from mistune to cmarkgfm
* Starts work on #1317
* Update markdown test to be commonmark compliant
---
 CTFd/utils/__init__.py | 4 ++--
 requirements.txt       | 2 +-
 tests/test_views.py    | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/CTFd/utils/__init__.py b/CTFd/utils/__init__.py
index e3a3e696..6dba72e8 100644
--- a/CTFd/utils/__init__.py
+++ b/CTFd/utils/__init__.py
@@ -1,4 +1,4 @@
-import mistune
+import cmarkgfm
 import six
 from flask import current_app as app
 
@@ -13,7 +13,7 @@ else:
     text_type = str
     binary_type = bytes
 
-markdown = mistune.Markdown()
+markdown = cmarkgfm.github_flavored_markdown_to_html
 
 
 def get_app_config(key, default=None):
diff --git a/requirements.txt b/requirements.txt
index 0ffc196b..0a935f32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ requests>=2.20.0
 PyMySQL==0.9.3
 gunicorn==19.10.0
 dataset==1.1.2
-mistune==0.8.4
+cmarkgfm==0.4.2
 netaddr==0.7.19
 redis==3.3.11
 gevent==1.4.0
diff --git a/tests/test_views.py b/tests/test_views.py
index dff92e2c..09e4afb9 100644
--- a/tests/test_views.py
+++ b/tests/test_views.py
@@ -154,7 +154,7 @@ def test_pages_routing_and_rendering():
     """Test that pages are routing and rendering"""
     app = create_ctfd()
     with app.app_context():
-        html = """##The quick brown fox jumped over the lazy dog"""
+        html = """## The quick brown fox jumped over the lazy dog"""
         route = "test"
         title = "Test"
         gen_page(app.db, title, route, html)