From 69ec973e392f95acb62078d4fa5dfe6fd33ad97d Mon Sep 17 00:00:00 2001
From: Jeremy Stanley <fungi@yuggoth.org>
Date: Mon, 1 Feb 2021 20:14:51 +0000
Subject: [PATCH] Skip deprecated lexers (Pygments 2.7.3 and later)

Work around the way Pygments maintainers have decided to list
"deprecated" lexers, but just skipping them if attempting to add
raises an IndexError because they look like JSONBareObject here:

https: //github.com/pygments/pygments/commit/5ee1754
Change-Id: Ia7b896263b4118ec369c5ce130addef3295a91a5
---
 lodgeit/lib/highlighting.py | 7 ++++++-
 requirements.txt            | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/lodgeit/lib/highlighting.py b/lodgeit/lib/highlighting.py
index 0ca1d09..c176b4b 100644
--- a/lodgeit/lib/highlighting.py
+++ b/lodgeit/lib/highlighting.py
@@ -35,7 +35,12 @@ def _get_pygments_lexers(add_empty=True):
     if add_empty:
         r.append(('', ''),)
     for lexer in get_all_lexers():
-        r.append((lexer[1][0], _(lexer[0])),)
+        try:
+            r.append((lexer[1][0], _(lexer[0])),)
+        except IndexError:
+            # Skip "deprecated" lexer entries, like this in Pygments 2.7.3:
+            # https://github.com/pygments/pygments/commit/5ee1754
+            continue
     return r
 
 
diff --git a/requirements.txt b/requirements.txt
index ddb8d37..3f63568 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ six
 Jinja2
 Werkzeug<0.16
 Pygments<2.6;python_version<'3'
-Pygments<2.7.3;python_version>='3'
+Pygments;python_version>='3'
 SQLAlchemy
 PyMySQL
 simplejson