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8ed1bef90f
Modern browsers have a "dark mode" preference, which enables alternate styles on web sites that support this. This patch adds a dark color scheme, that is automatically activated via a CSS @media query. Older browsers that do not support color schemes will simply show the light scheme, but possibly without syntax highlighting. Note that filters that use color (such as source highlighters) and logotypes may need to be updated to work with a black background! See the updated files in the filters/ directory. Signed-off-by: Samuel Lidén Borell <samuel@kodafritt.se> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
64 lines
2.1 KiB
Python
Executable File
64 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# This script uses Pygments and Python3. You must have both installed
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# for this to work.
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#
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# http://pygments.org/
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# http://python.org/
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#
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# It may be used with the source-filter or repo.source-filter settings
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# in cgitrc.
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#
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# The following environment variables can be used to retrieve the
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# configuration of the repository for which this script is called:
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# CGIT_REPO_URL ( = repo.url setting )
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# CGIT_REPO_NAME ( = repo.name setting )
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# CGIT_REPO_PATH ( = repo.path setting )
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# CGIT_REPO_OWNER ( = repo.owner setting )
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# CGIT_REPO_DEFBRANCH ( = repo.defbranch setting )
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# CGIT_REPO_SECTION ( = section setting )
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# CGIT_REPO_CLONE_URL ( = repo.clone-url setting )
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import sys
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import io
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from pygments import highlight
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from pygments.util import ClassNotFound
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from pygments.lexers import TextLexer
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from pygments.lexers import guess_lexer
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from pygments.lexers import guess_lexer_for_filename
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from pygments.formatters import HtmlFormatter
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# The dark style is automatically selected if the browser is in dark mode
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light_style='pastie'
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dark_style='monokai'
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sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8', errors='replace')
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sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8', errors='replace')
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data = sys.stdin.read()
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filename = sys.argv[1]
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light_formatter = HtmlFormatter(style=light_style, nobackground=True)
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dark_formatter = HtmlFormatter(style=dark_style, nobackground=True)
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try:
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lexer = guess_lexer_for_filename(filename, data)
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except ClassNotFound:
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# check if there is any shebang
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if data[0:2] == '#!':
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lexer = guess_lexer(data)
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else:
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lexer = TextLexer()
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except TypeError:
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lexer = TextLexer()
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# highlight! :-)
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# printout pygments' css definitions as well
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sys.stdout.write('<style>')
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sys.stdout.write('\n@media only all and (prefers-color-scheme: dark) {\n')
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sys.stdout.write(dark_formatter.get_style_defs('.highlight'))
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sys.stdout.write('\n}\n@media (prefers-color-scheme: light) {\n')
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sys.stdout.write(light_formatter.get_style_defs('.highlight'))
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sys.stdout.write('\n}\n')
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sys.stdout.write('</style>')
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sys.stdout.write(highlight(data, lexer, light_formatter, outfile=None))
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