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# -*- coding: utf-8 -*-
# Copyright © 2012-2014 Roberto Alsina and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from __future__ import unicode_literals
import io
import os
from nikola.plugin_categories import Task
from nikola import utils
class CopyAssets(Task):
"""Copy theme assets into output."""
name = "copy_assets"
def gen_tasks(self):
"""Create tasks to copy the assets of the whole theme chain.
If a file is present on two themes, use the version
from the "youngest" theme.
"""
kw = {
"themes": self.site.THEMES,
"files_folders": self.site.config['FILES_FOLDERS'],
"output_folder": self.site.config['OUTPUT_FOLDER'],
"filters": self.site.config['FILTERS'],
"code_color_scheme": self.site.config['CODE_COLOR_SCHEME'],
"code.css_selectors": 'pre.code',
"code.css_head": '/* code.css file generated by Nikola */\n',
"code.css_close": "\ntable.codetable { width: 100%;} td.linenos {text-align: right; width: 4em;}\n",
}
tasks = {}
code_css_path = os.path.join(kw['output_folder'], 'assets', 'css', 'code.css')
code_css_input = utils.get_asset_path('assets/css/code.css',
themes=kw['themes'],
files_folders=kw['files_folders'])
kw["code.css_input"] = code_css_input
yield self.group_task()
for theme_name in kw['themes']:
src = os.path.join(utils.get_theme_path(theme_name), 'assets')
dst = os.path.join(kw['output_folder'], 'assets')
for task in utils.copy_tree(src, dst):
if task['name'] in tasks:
continue
tasks[task['name']] = task
task['uptodate'] = [utils.config_changed(kw)]
task['basename'] = self.name
if code_css_input:
task['file_dep'] = [code_css_input]
yield utils.apply_filters(task, kw['filters'])
# Check whether or not there is a code.css file around.
if not code_css_input:
def create_code_css():
from pygments.formatters import get_formatter_by_name
formatter = get_formatter_by_name('html', style=kw["code_color_scheme"])
utils.makedirs(os.path.dirname(code_css_path))
with io.open(code_css_path, 'w+', encoding='utf8') as outf:
outf.write(kw["code.css_head"])
outf.write(formatter.get_style_defs(kw["code.css_selectors"]))
outf.write(kw["code.css_close"])
if os.path.exists(code_css_path):
with io.open(code_css_path, 'r', encoding='utf-8') as fh:
testcontents = fh.read(len(kw["code.css_head"])) == kw["code.css_head"]
else:
testcontents = False
task = {
'basename': self.name,
'name': code_css_path,
'targets': [code_css_path],
'uptodate': [utils.config_changed(kw), testcontents],
'actions': [(create_code_css, [])],
'clean': True,
}
yield utils.apply_filters(task, kw['filters'])
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