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# -*- coding: utf-8 -*-
# Copyright © 2012-2022 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.
"""Bundle assets."""
import configparser
import io
import itertools
import os
import shutil
from nikola.plugin_categories import LateTask
from nikola import utils
class BuildBundles(LateTask):
"""Bundle assets."""
name = "create_bundles"
def gen_tasks(self):
"""Bundle assets."""
kw = {
'filters': self.site.config['FILTERS'],
'output_folder': self.site.config['OUTPUT_FOLDER'],
'cache_folder': self.site.config['CACHE_FOLDER'],
'theme_bundles': get_theme_bundles(self.site.THEMES),
'themes': self.site.THEMES,
'files_folders': self.site.config['FILES_FOLDERS'],
'code_color_scheme': self.site.config['CODE_COLOR_SCHEME'],
}
def build_bundle(output, inputs):
out_dir = os.path.join(kw['output_folder'],
os.path.dirname(output))
inputs = [
os.path.join(
out_dir,
os.path.relpath(i, out_dir))
for i in inputs if os.path.isfile(i)
]
with open(os.path.join(out_dir, os.path.basename(output)), 'wb+') as out_fh:
for i in inputs:
with open(i, 'rb') as in_fh:
shutil.copyfileobj(in_fh, out_fh)
out_fh.write(b'\n')
yield self.group_task()
if self.site.config['USE_BUNDLES']:
for name, _files in kw['theme_bundles'].items():
output_path = os.path.join(kw['output_folder'], name)
dname = os.path.dirname(name)
files = []
for fname in _files:
# paths are relative to dirname
files.append(os.path.join(dname, fname))
file_dep = [os.path.join(kw['output_folder'], fname)
for fname in files if
utils.get_asset_path(
fname,
self.site.THEMES,
self.site.config['FILES_FOLDERS'],
output_dir=kw['output_folder']) or fname == os.path.join('assets', 'css', 'code.css')]
# code.css will be generated by us if it does not exist in
# FILES_FOLDERS or theme assets. It is guaranteed that the
# generation will happen before this task.
task = {
'file_dep': list(file_dep),
'task_dep': ['copy_assets', 'copy_files'],
'basename': str(self.name),
'name': str(output_path),
'actions': [(build_bundle, (name, file_dep))],
'targets': [output_path],
'uptodate': [
utils.config_changed({
1: kw,
2: file_dep
}, 'nikola.plugins.task.bundles')],
'clean': True,
}
yield utils.apply_filters(task, kw['filters'])
def get_theme_bundles(themes):
"""Given a theme chain, return the bundle definitions."""
for theme_name in themes:
bundles_path = os.path.join(
utils.get_theme_path(theme_name), 'bundles')
if os.path.isfile(bundles_path):
config = configparser.ConfigParser()
header = io.StringIO('[bundles]\n')
with open(bundles_path, 'rt') as fd:
config.read_file(itertools.chain(header, fd))
bundles = {}
for name, files in config['bundles'].items():
name = name.strip().replace('/', os.sep)
files = [f.strip() for f in files.split(',') if f.strip()]
bundles[name] = files
return bundles
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