##// END OF EJS Templates
py3: manually import pycompat.setattr where it is needed...
py3: manually import pycompat.setattr where it is needed Continuing to eliminate the implicit import of symbols in the Python 3 source transformer so we can eliminate it. Differential Revision: https://phab.mercurial-scm.org/D7007

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highlight.py
101 lines | 3.1 KiB | text/x-python | PythonLexer
Martin Geisler
highlight: add copyright and license header
r8251 # highlight.py - highlight extension implementation file
#
# Copyright 2007-2009 Adam Hupp <adam@hupp.org> and others
#
# This software may be used and distributed according to the terms of the
Matt Mackall
Update license to GPLv2+
r10263 # GNU General Public License version 2 or any later version.
Patrick Mezard
highlight: split code to improve startup times
r6938 #
# The original module was split in an interface and an implementation
# file to defer pygments loading and speedup extension setup.
Pulkit Goyal
py3: make files use absolute_import and print_function...
r29485 from __future__ import absolute_import
Patrick Mezard
highlight: split code to improve startup times
r6938 from mercurial import demandimport
Augie Fackler
formatting: blacken the codebase...
r43346
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 demandimport.IGNORES.update([b'pkgutil', b'pkg_resources', b'__main__'])
Pulkit Goyal
py3: make files use absolute_import and print_function...
r29485
from mercurial import (
encoding,
Connor Sheehan
highlight: fix encoding issues to enable Py3 compatibility...
r43193 pycompat,
Yuya Nishihara
stringutil: bulk-replace call sites to point to new module...
r37102 )
Augie Fackler
formatting: blacken the codebase...
r43346 from mercurial.utils import stringutil
Patrick Mezard
highlight: split code to improve startup times
r6938
Augie Fackler
highlight: put pygments import inside demandimport.deactivated...
r32908 with demandimport.deactivated():
import pygments
import pygments.formatters
import pygments.lexers
Augie Fackler
highlight: eagerly discover plugin lexers while demandimport is off...
r35330 import pygments.plugin
Augie Fackler
highlight: put pygments import inside demandimport.deactivated...
r32908 import pygments.util
Augie Fackler
highlight: eagerly discover plugin lexers while demandimport is off...
r35330 for unused in pygments.plugin.find_plugin_lexers():
pass
Pulkit Goyal
py3: make files use absolute_import and print_function...
r29485 highlight = pygments.highlight
ClassNotFound = pygments.util.ClassNotFound
guess_lexer = pygments.lexers.guess_lexer
guess_lexer_for_filename = pygments.lexers.guess_lexer_for_filename
TextLexer = pygments.lexers.TextLexer
HtmlFormatter = pygments.formatters.HtmlFormatter
Patrick Mezard
highlight: split code to improve startup times
r6938
Augie Fackler
formatting: blacken the codebase...
r43346 SYNTAX_CSS = (
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 b'\n<link rel="stylesheet" href="{url}highlightcss" ' b'type="text/css" />'
Augie Fackler
formatting: blacken the codebase...
r43346 )
Patrick Mezard
highlight: split code to improve startup times
r6938
Gregory Szorc
highlight: add option to prevent content-only based fallback...
r26680 def pygmentize(field, fctx, style, tmpl, guessfilenameonly=False):
Patrick Mezard
highlight: split code to improve startup times
r6938
# append a <link ...> to the syntax highlighting css
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 tmpl.load(b'header')
old_header = tmpl.cache[b'header']
Patrick Mezard
highlight: split code to improve startup times
r6938 if SYNTAX_CSS not in old_header:
timeless
cleanup: remove superfluous space after space after equals (python)
r27637 new_header = old_header + SYNTAX_CSS
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 tmpl.cache[b'header'] = new_header
Patrick Mezard
highlight: split code to improve startup times
r6938
text = fctx.data()
Yuya Nishihara
stringutil: bulk-replace call sites to point to new module...
r37102 if stringutil.binary(text):
Patrick Mezard
highlight: split code to improve startup times
r6938 return
Matt Mackall
highlight: ignore Unicode's extra linebreaks (issue4291)...
r23613 # str.splitlines() != unicode.splitlines() because "reasons"
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 for c in b"\x0c\x1c\x1d\x1e":
Matt Mackall
highlight: ignore Unicode's extra linebreaks (issue4291)...
r23613 if c in text:
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 text = text.replace(c, b'')
Matt Mackall
highlight: ignore Unicode's extra linebreaks (issue4291)...
r23613
Yuya Nishihara
highlight: fixes garbled text in non-UTF-8 environment...
r9424 # Pygments is best used with Unicode strings:
# <http://pygments.org/docs/unicode/>
Connor Sheehan
highlight: fix encoding issues to enable Py3 compatibility...
r43193 text = text.decode(pycompat.sysstr(encoding.encoding), 'replace')
Christian Ebert
highlight: convert text to local before passing to pygmentize (issue1341)...
r7120
Patrick Mezard
highlight: split code to improve startup times
r6938 # To get multi-line strings right, we can't format line-by-line
try:
Connor Sheehan
highlight: fix encoding issues to enable Py3 compatibility...
r43193 path = pycompat.sysstr(fctx.path())
Augie Fackler
formatting: blacken the codebase...
r43346 lexer = guess_lexer_for_filename(path, text[:1024], stripnl=False)
Patrick Mezard
highlight: split code to improve startup times
r6938 except (ClassNotFound, ValueError):
Gregory Szorc
highlight: add option to prevent content-only based fallback...
r26680 # guess_lexer will return a lexer if *any* lexer matches. There is
# no way to specify a minimum match score. This can give a high rate of
# false positives on files with an unknown filename pattern.
if guessfilenameonly:
return
Patrick Mezard
highlight: split code to improve startup times
r6938 try:
Alexander Plavin
highlight: fix page layout with empty first and last lines...
r19169 lexer = guess_lexer(text[:1024], stripnl=False)
Patrick Mezard
highlight: split code to improve startup times
r6938 except (ClassNotFound, ValueError):
av6
highlight: exit early on textual and unknown files (issue3005)...
r25899 # Don't highlight unknown files
return
# Don't highlight text files
if isinstance(lexer, TextLexer):
return
Patrick Mezard
highlight: split code to improve startup times
r6938
Connor Sheehan
highlight: fix encoding issues to enable Py3 compatibility...
r43193 formatter = HtmlFormatter(nowrap=True, style=pycompat.sysstr(style))
Patrick Mezard
highlight: split code to improve startup times
r6938
colorized = highlight(text, lexer, formatter)
Augie Fackler
formatting: blacken the codebase...
r43346 coloriter = (
s.encode(pycompat.sysstr(encoding.encoding), 'replace')
for s in colorized.splitlines()
)
Patrick Mezard
highlight: split code to improve startup times
r6938
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 tmpl._filters[b'colorize'] = lambda x: next(coloriter)
Patrick Mezard
highlight: split code to improve startup times
r6938
oldl = tmpl.cache[field]
Augie Fackler
formatting: byteify all mercurial/ and hgext/ string literals...
r43347 newl = oldl.replace(b'line|escape', b'line|colorize')
Patrick Mezard
highlight: split code to improve startup times
r6938 tmpl.cache[field] = newl