remove darkmode

Wulian233 · Wulian233 · commit e365fe145a36 · 2025-08-17T14:49:48.000+08:00
diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
@@ -217,8 +217,8 @@ Improved modules
 calendar
 --------
 
-* Calendar pages generated by the :class:`calendar.HTMLCalendar` class now support
-  dark mode, and migrated the output to the HTML5 standard.
+* The calendar pages generated by the :class:`calendar.HTMLCalendar` class now
+  use the HTML5 standard.
   (Contributed by Jiahao Li in :gh:`137634`.)
 
 dbm
diff --git a/Lib/calendar.py b/Lib/calendar.py
@@ -580,12 +580,6 @@ def formatyearpage(self, theyear, width=3, css='calendar.css', encoding=None):
         a(f'<meta charset="{encoding}">\n')
         a('<meta name="viewport" content="width=device-width, initial-scale=1">\n')
         a(f'<title>Calendar for {theyear}</title>\n')
-        a('<style>\n')
-        a('@media (prefers-color-scheme: dark) {\n')
-        a('  body { background-color: #121212; color: #e0e0e0; }\n')
-        a('  table.year, table.month, td, th { border-color: #444; }\n')
-        a('}\n')
-        a('</style>\n')
         if css is not None:
             a(f'<link rel="stylesheet" href="{css}">\n')
         a('</head>\n')
diff --git a/Lib/test/test_calendar.py b/Lib/test/test_calendar.py
@@ -113,21 +113,13 @@
 
 default_format = dict(year="year", month="month", encoding="ascii")
 
-result_2004_css = """<style>
-@media (prefers-color-scheme: dark) {
-  body { background-color: #121212; color: #e0e0e0; }
-  table.year, table.month, td, th { border-color: #444; }
-}
-</style>"""
-
 result_2004_html = """\
 <!DOCTYPE html>
 <html lang="en">
 <head>
 <meta charset="{encoding}">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Calendar for 2004</title>
-{css_styles}
 <link rel="stylesheet" href="calendar.css">
 </head>
 <body>
@@ -393,12 +385,10 @@ def check_htmlcalendar_encoding(self, req, res):
         cal = calendar.HTMLCalendar()
         format_ = default_format.copy()
         format_["encoding"] = req or 'utf-8'
-        format_with_css = {**format_, "css_styles": result_2004_css}
-        formatted_html = result_2004_html.format(**format_with_css)
         output = cal.formatyearpage(2004, encoding=req)
         self.assertEqual(
             output,
-            formatted_html.encode(res)
+            result_2004_html.format(**format_).encode(res)
         )
 
     def test_output(self):
@@ -1155,9 +1145,7 @@ def test_html_output_current_year(self):
     def test_html_output_year_encoding(self):
         for run in self.runners:
             output = run('-t', 'html', '--encoding', 'ascii', '2004')
-            format_with_css = default_format.copy()
-            format_with_css["css_styles"] = result_2004_css
-            self.assertEqual(output, result_2004_html.format(**format_with_css).encode('ascii'))
+            self.assertEqual(output, result_2004_html.format(**default_format).encode('ascii'))
 
     def test_html_output_year_css(self):
         self.assertFailure('-t', 'html', '-c')
diff --git a/Misc/NEWS.d/next/Library/2025-08-11-14-18-32.gh-issue-137634.M7iBG6.rst b/Misc/NEWS.d/next/Library/2025-08-11-14-18-32.gh-issue-137634.M7iBG6.rst
@@ -1,2 +1,2 @@
-Calendar pages generated by the :class:`calendar.HTMLCalendar` class now
-support dark mode, and migrated the output to the HTML5 standard.
+The calendar pages generated by the :class:`calendar.HTMLCalendar` class now
+use the HTML5 standard.
