Varia's website
https://varia.zone
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.9 KiB
102 lines
2.9 KiB
7 years ago
|
#-*- conding: utf-8 -*-
|
||
|
|
|
||
|
|
'''
|
||
|
|
Creole Reader
|
||
|
|
-------------
|
||
|
|
|
||
|
|
This plugins allows you to write your posts using the wikicreole syntax. Give to
|
||
|
|
these files the creole extension.
|
||
|
|
For the syntax, look at: http://www.wikicreole.org/
|
||
|
|
'''
|
||
|
|
|
||
|
|
from pelican import readers
|
||
|
|
from pelican import signals
|
||
|
|
from pelican import settings
|
||
|
|
|
||
|
|
from pelican.utils import pelican_open
|
||
|
|
|
||
|
|
try:
|
||
|
|
from creole import creole2html
|
||
|
|
creole = True
|
||
|
|
except ImportError:
|
||
|
|
creole = False
|
||
|
|
|
||
|
|
try:
|
||
|
|
from pygments import lexers
|
||
|
|
from pygments.formatters import HtmlFormatter
|
||
|
|
from pygments import highlight
|
||
|
|
PYGMENTS = True
|
||
|
|
except:
|
||
|
|
PYGMENTS = False
|
||
|
|
|
||
|
|
class CreoleReader(readers.BaseReader):
|
||
|
|
enabled = creole
|
||
|
|
|
||
|
|
file_extensions = ['creole']
|
||
|
|
|
||
|
|
def __init__(self, settings):
|
||
|
|
super(CreoleReader, self).__init__(settings)
|
||
|
|
|
||
|
|
def _parse_header_macro(self, text):
|
||
|
|
for line in text.split('\n'):
|
||
|
|
name, value = line.split(':')
|
||
|
|
name, value = name.strip(), value.strip()
|
||
|
|
if name == 'title':
|
||
|
|
self._metadata[name] = value
|
||
|
|
else:
|
||
|
|
self._metadata[name] = self.process_metadata(name, value)
|
||
|
|
return u''
|
||
|
|
|
||
|
|
def _no_highlight(self, text):
|
||
|
|
html = u'\n<pre><code>{}</code></pre>\n'.format(text)
|
||
|
|
return html
|
||
|
|
|
||
|
|
def _get_lexer(self, source_type, code):
|
||
|
|
try:
|
||
|
|
return lexers.get_lexer_by_name(source_type)
|
||
|
|
except:
|
||
|
|
return lexers.guess_lexer(code)
|
||
|
|
|
||
|
|
def _get_formatter(self):
|
||
|
|
formatter = HtmlFormatter(lineos = True, encoding='utf-8',
|
||
|
|
style='colorful', outencoding='utf-8',
|
||
|
|
cssclass='pygments')
|
||
|
|
return formatter
|
||
|
|
|
||
|
|
def _parse_code_macro(self, ext, text):
|
||
|
|
if not PYGMENTS:
|
||
|
|
return self._no_highlight(text)
|
||
|
|
|
||
|
|
try:
|
||
|
|
source_type = ''
|
||
|
|
if '.' in ext:
|
||
|
|
source_type = ext.strip().split('.')[1]
|
||
|
|
else:
|
||
|
|
source_type = ext.strip()
|
||
|
|
except IndexError:
|
||
|
|
source_type = ''
|
||
|
|
lexer = self._get_lexer(source_type, text)
|
||
|
|
formatter = self._get_formatter()
|
||
|
|
|
||
|
|
try:
|
||
|
|
return highlight(text, lexer, formatter).decode('utf-8')
|
||
|
|
except:
|
||
|
|
return self._no_highlight(text)
|
||
|
|
|
||
|
|
# You need to have a read method, which takes a filename and returns
|
||
|
|
# some content and the associated metadata.
|
||
|
|
def read(self, source_path):
|
||
|
|
"""Parse content and metadata of creole files"""
|
||
|
|
|
||
|
|
self._metadata = {}
|
||
|
|
with pelican_open(source_path) as text:
|
||
|
|
content = creole2html(text, macros={'header': self._parse_header_macro,
|
||
|
|
'code': self._parse_code_macro})
|
||
|
|
return content, self._metadata
|
||
|
|
|
||
|
|
def add_reader(readers):
|
||
|
|
readers.reader_classes['creole'] = CreoleReader
|
||
|
|
|
||
|
|
def register():
|
||
|
|
signals.readers_init.connect(add_reader)
|