100 lines
2.7 KiB
Python
100 lines
2.7 KiB
Python
#!/usr/bin/env python3
|
|
# pelican-css: embed custom CSS easily
|
|
# Copyright (C) 2017 Jorge Maldonado Ventura
|
|
|
|
# This program is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
"""
|
|
Embed CSS files for Pelican
|
|
===========================
|
|
|
|
This plugin allows you to easily embed CSS files in the header of individual
|
|
articles or pages. The CSS files are embedded using the HTML <link> tag
|
|
inside the <head> tag.
|
|
"""
|
|
|
|
import os
|
|
import shutil
|
|
|
|
from pelican import signals
|
|
|
|
|
|
def format_css(gen, metastring, formatter):
|
|
"""
|
|
Create a list of URL-formatted style tags
|
|
Parameters
|
|
----------
|
|
gen: generator
|
|
Pelican Generator
|
|
metastring: string
|
|
metadata['scripts'] or metadata['styles']
|
|
formatter: string
|
|
String format for output.
|
|
Output
|
|
------
|
|
List of formatted strings
|
|
"""
|
|
metalist = metastring.replace(' ', '').split(',')
|
|
site_url = '%s'
|
|
return [formatter.format(site_url, x) for x in metalist]
|
|
|
|
|
|
def copy_resources(src, dest, file_list):
|
|
"""
|
|
Copy files from content folder to output folder
|
|
Parameters
|
|
----------
|
|
src: string
|
|
Content folder path
|
|
dest: string,
|
|
Output folder path
|
|
file_list: list
|
|
List of files to be transferred
|
|
Output
|
|
------
|
|
Copies files from content to output
|
|
"""
|
|
if not os.path.exists(dest):
|
|
os.makedirs(dest)
|
|
for file_ in file_list:
|
|
file_src = os.path.join(src, file_)
|
|
shutil.copy2(file_src, dest)
|
|
|
|
|
|
def add_tags(gen, metadata):
|
|
"""
|
|
It will add the CSS to the article
|
|
"""
|
|
if 'css' in metadata.keys():
|
|
style = '<link rel="stylesheet" href="{0}/css/{1}" type="text/css">'
|
|
metadata['styles'] = format_css(gen, metadata['css'], style)
|
|
|
|
|
|
def move_resources(gen):
|
|
"""
|
|
Move CSS files from css folder to output folder
|
|
"""
|
|
css_files = gen.get_files('css', extensions='css')
|
|
|
|
css_dest = os.path.join(gen.output_path, 'css')
|
|
copy_resources(gen.path, css_dest, css_files)
|
|
|
|
|
|
def register():
|
|
"""
|
|
Plugin registration
|
|
"""
|
|
signals.article_generator_context.connect(add_tags)
|
|
signals.page_generator_context.connect(add_tags)
|
|
signals.article_generator_finalized.connect(move_resources)
|