Mercurial > libervia-backend
changeset 2454:06ff33052354
core, template (filters): added pygments as a dependency + new highlight filter to use it.
author | Goffi <goffi@goffi.org> |
---|---|
date | Thu, 30 Nov 2017 21:00:24 +0100 |
parents | 84e84a46b014 |
children | 7b02372f8734 |
files | setup.py src/tools/common/template.py |
diffstat | 2 files changed, 26 insertions(+), 1 deletions(-) [+] |
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--- a/setup.py Thu Nov 30 20:59:24 2017 +0100 +++ b/setup.py Thu Nov 30 21:00:24 2017 +0100 @@ -303,6 +303,6 @@ ], scripts=['frontends/src/jp/jp', 'frontends/src/primitivus/primitivus', ], zip_safe=False, - install_requires=['twisted >= 15.2.0', 'wokkel >= 0.7.1', 'sat_tmp', 'progressbar', 'urwid >= 1.2.0', 'urwid-satext >= 0.6.1', 'mutagen', 'pillow', 'lxml >= 3.1.0', 'pyxdg', 'markdown', 'html2text', 'pycrypto >= 2.6.1', 'python-potr', 'PyOpenSSL', 'service_identity', 'shortuuid', 'babel'], + install_requires=['twisted >= 15.2.0', 'wokkel >= 0.7.1', 'sat_tmp', 'progressbar', 'urwid >= 1.2.0', 'urwid-satext >= 0.6.1', 'mutagen', 'pillow', 'lxml >= 3.1.0', 'pyxdg', 'markdown', 'html2text', 'pycrypto >= 2.6.1', 'python-potr', 'PyOpenSSL', 'service_identity', 'shortuuid', 'babel', 'pygments'], cmdclass={'install': CustomInstall}, )
--- a/src/tools/common/template.py Thu Nov 30 20:59:24 2017 +0100 +++ b/src/tools/common/template.py Thu Nov 30 21:00:24 2017 +0100 @@ -32,6 +32,9 @@ from babel import Locale from babel.core import UnknownLocaleError from babel import dates +import pygments +from pygments import lexers +from pygments import formatters try: import sat_templates except ImportError: @@ -208,6 +211,7 @@ self.env.filters['item_filter'] = self._item_filter self.env.filters['adv_format'] = self._adv_format self.env.filters['dict_ext'] = self._dict_ext + self.env.filters['highlight'] = self.highlight # custom tests self.env.tests['in_the_past'] = self._in_the_past @@ -511,6 +515,27 @@ ret.update(extra_dict) return ret + def highlight(self, code, lexer_name=None, lexer_opts=None, html_fmt_opts=None): + """Do syntax highlighting on code + + under the hood, pygments is used, check its documentation for options possible values + @param code(unicode): code or markup to highlight + @param lexer_name(unicode, None): name of the lexer to use + None to autodetect it + @param html_fmt_opts(dict, None): kword arguments to use for HtmlFormatter + @return (unicode): HTML markup with highlight classes + """ + if lexer_opts is None: + lexer_opts = {} + if html_fmt_opts is None: + html_fmt_opts = {} + if lexer_name is None: + lexer = lexers.guess_lexer(code, **lexer_opts) + else: + lexer = lexers.get_lexer_by_name(lexer_name, **lexer_opts) + formatter = formatters.HtmlFormatter(**html_fmt_opts) + return safe(pygments.highlight(code, lexer, formatter)) + ## custom tests ## def _in_the_past(self, timestamp):