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#!/usr/bin/env python3
# /usr/lib/cgit/filters/syntax-highlighting.py
# make sure to also install catppuccin[pygments] with pip
# This script uses Pygments and Python3. You must have both installed
# for this to work.
#
# http://pygments.org/
# http://python.org/
#
# It may be used with the source-filter or repo.source-filter settings
# in cgitrc.
#
# The following environment variables can be used to retrieve the
# configuration of the repository for which this script is called:
# CGIT_REPO_URL ( = repo.url setting )
# CGIT_REPO_NAME ( = repo.name setting )
# CGIT_REPO_PATH ( = repo.path setting )
# CGIT_REPO_OWNER ( = repo.owner setting )
# CGIT_REPO_DEFBRANCH ( = repo.defbranch setting )
# CGIT_REPO_SECTION ( = section setting )
# CGIT_REPO_CLONE_URL ( = repo.clone-url setting )
import sys
import io
from pygments import highlight
from pygments.util import ClassNotFound
from pygments.lexers import TextLexer
from pygments.lexers import guess_lexer
from pygments.lexers import guess_lexer_for_filename
from pygments.formatters import HtmlFormatter
from catppuccin.extras.pygments import FrappeStyle
sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding="utf-8", errors="replace")
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding="utf-8", errors="replace")
data = sys.stdin.read()
filename = sys.argv[1]
formatter = HtmlFormatter(style=FrappeStyle, nobackground=True)
try:
lexer = guess_lexer_for_filename(filename, data)
except ClassNotFound:
# check if there is any shebang
if data[0:2] == "#!":
try:
lexer = guess_lexer(data)
except ClassNotFound:
lexer = TextLexer()
else:
lexer = TextLexer()
except TypeError:
lexer = TextLexer()
# highlight! :-)
# printout pygments' css definitions as well
sys.stdout.write("<style>")
sys.stdout.write(formatter.get_style_defs(".highlight"))
sys.stdout.write("</style>")
sys.stdout.write(highlight(data, lexer, formatter, outfile=None))
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