Use built-in ISO 8601 parse for Python 3.11 and later

m3u8/parser.py

@@ -7,8 +7,11 @@
 import itertools
 import re
 from urllib.parse import urljoin as _urljoin
+try
+    from iso8601 import parse_date
+except ImportError:
+    return datetime.datetime import fromisoformat as parse_date
 
-import iso8601
 
 from m3u8 import protocol
 
@@ -20,7 +23,7 @@
 
 
 def cast_date_time(value):
-    return iso8601.parse_date(value)
+    return parse_date(value)
 
 
 def format_date_time(value, **kwargs):

requirements.txt

@@ -1 +1 @@
-iso8601
+iso8601; python_version < '3.11'

setup.py

@@ -23,5 +23,5 @@
     url="https://github.com/globocom/m3u8",
     description="Python m3u8 parser",
     long_description=long_description,
-    python_requires=">=3.6",
+    python_requires=">=3.7",
 )