Add early support for Python 3.14 (#2697)

Author: facelessuser

.github/workflows/build.yml

@@ -17,7 +17,7 @@ jobs:
       max-parallel: 4
       matrix:
         platform: [ubuntu-latest, windows-latest]
-        python-version: [3.9, '3.10', '3.11', '3.12', '3.13']
+        python-version: [3.9, '3.10', '3.11', '3.12', '3.13', '3.14']
         include:
           - python-version: 3.9
             tox-env: py39
@@ -29,6 +29,8 @@ jobs:
             tox-env: py312
           - python-version: '3.13'
             tox-env: py313
+          - python-version: '3.14'
+            tox-env: py314
         # exclude:
         #   - platform: windows-latest
         #     python-version: 3.14

docs/src/markdown/about/changelog.md

@@ -2,6 +2,7 @@
 
 ## 10.16
 
+-   **NEW**: Add early support for Python 3.14.
 -   **NEW**: Drop support for Python 3.8.
 -   **NEW**: Snippets: Added `max_retries` and `backoff_retries` options to configure new retry logic for HTTP 429
     errors (Too Many Requests client error).

hatch_build.py

@@ -33,6 +33,7 @@ def update(self, metadata):
             "Programming Language :: Python :: 3.11",
             "Programming Language :: Python :: 3.12",
             "Programming Language :: Python :: 3.13",
+            "Programming Language :: Python :: 3.14",
             "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
             "Topic :: Software Development :: Libraries :: Python Modules",
             "Topic :: Text Processing :: Filters",

pymdownx/snippets.py

@@ -27,7 +27,6 @@
 import functools
 import urllib
 import re
-import codecs
 import os
 from . import util
 import textwrap
@@ -362,7 +361,7 @@ def parse_snippets(self, lines, file_name=None, is_url=False, is_section=False):
 
                     if not url:
                         # Read file content
-                        with codecs.open(snippet, 'r', encoding=self.encoding) as f:
+                        with open(snippet, 'r', encoding=self.encoding) as f:
                             last = False
                             s_lines = []
                             for l in f:

pymdownx/util.py

@@ -33,6 +33,7 @@
     _PLATFORM = "linux"
 
 PY39 = (3, 9) <= sys.version_info
+PY314 = (3, 14) <= sys.version_info
 
 
 def clamp(value: float, mn: float, mx: float) -> float:
@@ -79,6 +80,8 @@ def path2url(url: str) -> str:
     # If on windows, replace the notation to use a default protocol `///` with nothing.
     if is_win() and RE_WIN_DEFAULT_PROTOCOL.match(path):
         path = path.replace('///', '', 1)
+    if PY314:
+        path = path.replace('///', '/')
     return path
 
 

pyproject.toml

@@ -139,7 +139,7 @@ legacy_tox_ini = """
     [tox]
     isolated_build = true
     envlist =
-        {py39,py310,py311,py312,py313}, lint, documents
+        {py39,py310,py311,py312,py313,py314}, lint, documents
 
     [testenv]
     passenv = LANG

tests/test_syntax.py

@@ -2,7 +2,6 @@
 import os
 import markdown
 import difflib
-import codecs
 import pytest
 import copy
 from . import util
@@ -55,15 +54,15 @@ def check_markdown(testfile, extension, extension_config, wrapper, update=False)
     """Check the markdown."""
 
     expected_html = os.path.splitext(testfile)[0] + '.html'
-    with codecs.open(testfile, 'r', encoding='utf-8') as f:
+    with open(testfile, 'r', encoding='utf-8') as f:
         source = f.read()
 
     results = wrapper % markdown.Markdown(
         extensions=extension, extension_configs=extension_config
     ).convert(source)
 
     try:
-        with codecs.open(expected_html, 'r', encoding='utf-8') as f:
+        with open(expected_html, 'r', encoding='utf-8') as f:
             expected = f.read().replace("\r\n", "\n")
     except Exception:
         expected = ''
@@ -80,7 +79,7 @@ def check_markdown(testfile, extension, extension_config, wrapper, update=False)
     if diff:
         if update:
             print('Updated: %s' % expected_html)
-            with codecs.open(expected_html, 'w', encoding='utf-8') as f:
+            with open(expected_html, 'w', encoding='utf-8') as f:
                 f.write(results)
         else:
             raise Exception(
@@ -100,7 +99,7 @@ def gather_test_params():
         if os.path.exists(cfg_path):
             files.remove('tests.yml')
             [files.remove(file) for file in files[:] if not file.endswith('.txt')]
-            with codecs.open(cfg_path, 'r', encoding='utf-8') as f:
+            with open(cfg_path, 'r', encoding='utf-8') as f:
                 cfg = util.yaml_load(f.read())
             for testfile in files:
                 key = os.path.splitext(testfile)[0]

tools/gen_gemoji.py

@@ -2,7 +2,6 @@
 import sys
 import os
 import json
-import codecs
 current_dir = os.path.dirname(os.path.abspath(__file__))
 
 U_JOIN = 0x200d
@@ -84,7 +83,7 @@ def get_gemoji_specific(value):
 def parse(repo, tag):
     """Save test files."""
     # Load emoji database
-    with codecs.open(os.path.join(current_dir, 'tags', repo, repo, 'db', 'emoji.json'), 'r', encoding='utf-8') as f:
+    with open(os.path.join(current_dir, 'tags', repo, repo, 'db', 'emoji.json'), 'r', encoding='utf-8') as f:
         emojis = json.loads(f.read())
 
     emoji_db = {}