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path: root/filters/syntax-highlighting.py
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#!/usr/bin/env python3

# 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


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='pastie', nobackground=True)

try:
	lexer = guess_lexer_for_filename(filename, data)
except ClassNotFound:
	# check if there is any shebang
	if data[0:2] == '#!':
		lexer = guess_lexer(data)
	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))
='logheader'>2020-01-05Add The Book of FloraJune McEnroe Also bump the rating of the previous book, I enjoyed both of them a lot more than the first one. 2020-01-04Replace gr alias with git resetJune McEnroe I haven't been doing much rebasing in a long time and I've caught myself trying to use gr to do reset. 2020-01-03Remove shotty -c flag from upJune McEnroe 2020-01-03Add Darling Don't CryJune McEnroe Heard at cafe. 2020-01-01Update license header templates for the new yearJune McEnroe 2019-12-26Add \S to sort inside bracesJune McEnroe 2019-12-23Reformat music.txtJune McEnroe 2019-12-23Rename music.md to music.txtJune McEnroe 2019-12-23Add DO YOU DOUBT ME TRAITORJune McEnroe 2019-12-22Add license header to cgit CSSJune McEnroe As requested. Funny that its license header capitalizes You. 2019-12-22Add The Book of EttaJune McEnroe 2019-12-21Revert "Add first working version of imbox"June McEnroe Moved to <https://git.causal.agency/imbox>. This reverts commit 6aa7f2f6bf47fa9df9c749ce665171fa30800937. 2019-12-21Add first working version of imboxJune McEnroe 2019-12-20Respect mailmap in gl pretty formatJune McEnroe 2019-12-20Set LANG in cgit filtersJune McEnroe ttpre needs to know about UTF-8 too so it can bold/italic non-ASCII chars. 2019-12-20Source .editrc before applying -v or -eJune McEnroe Otherwise a bind -v in .editrc will take precedence and overwrite the ^I binding for sh-complete. 2019-12-20Disable signing commitsJune McEnroe Why did I ever turn this on? This gets me nothing but inconvenience. RIP to all the wasted bytes in my git repos. 2019-12-19Ignore about-filterJune McEnroe 2019-12-19Fix matching make tags with no sourcesJune McEnroe 2019-12-19Avoid matching := assignments as tagsJune McEnroe 2019-12-18Hide line numbers when rendering mdocJune McEnroe Hack: output an extra <td> after rendering mdoc so that line numbers can be hidden based on there being three. This required splitting source-filter and about-filter since on about pages there is no table. 2019-12-18Customize cgit CSSJune McEnroe 2019-12-18Use :target rather than :focus pseudo-classJune McEnroe :target persists after you click on something else. 2019-12-18Copy cgit auxiliary binaries properlyJune McEnroe 2019-12-18Add git.causal.agency cgit configJune McEnroe 2019-12-18Bail from hi if input is binaryJune McEnroe NULs in the input cause an infinite loop in htmlEscape, not to mention regexes obviously not working, etc. 2019-12-16Post "cgit setup"June McEnroe