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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.
"""The default post scanner."""
import glob
import os
import sys
from nikola.plugin_categories import PostScanner
from nikola import utils
from nikola.post import Post
LOGGER = utils.get_logger('scan_posts')
class ScanPosts(PostScanner):
"""Scan posts in the site."""
name = "scan_posts"
def scan(self):
"""Create list of posts from POSTS and PAGES options."""
seen = set([])
if not self.site.quiet:
print("Scanning posts", end='', file=sys.stderr)
timeline = []
for wildcard, destination, template_name, use_in_feeds in \
self.site.config['post_pages']:
if not self.site.quiet:
print(".", end='', file=sys.stderr)
destination_translatable = utils.TranslatableSetting('destination', destination, self.site.config['TRANSLATIONS'])
dirname = os.path.dirname(wildcard)
for dirpath, _, _ in os.walk(dirname, followlinks=True):
rel_dest_dir = os.path.relpath(dirpath, dirname)
# Get all the untranslated paths
dir_glob = os.path.join(dirpath, os.path.basename(wildcard)) # posts/foo/*.rst
untranslated = glob.glob(dir_glob)
# And now get all the translated paths
translated = set([])
for lang in self.site.config['TRANSLATIONS'].keys():
if lang == self.site.config['DEFAULT_LANG']:
continue
lang_glob = utils.get_translation_candidate(self.site.config, dir_glob, lang) # posts/foo/*.LANG.rst
translated = translated.union(set(glob.glob(lang_glob)))
# untranslated globs like *.rst often match translated paths too, so remove them
# and ensure x.rst is not in the translated set
untranslated = set(untranslated) - translated
# also remove from translated paths that are translations of
# paths in untranslated_list, so x.es.rst is not in the untranslated set
for p in untranslated:
translated = translated - set([utils.get_translation_candidate(self.site.config, p, l) for l in self.site.config['TRANSLATIONS'].keys()])
full_list = list(translated) + list(untranslated)
# We eliminate from the list the files inside any .ipynb folder
full_list = [p for p in full_list
if not any([x.startswith('.')
for x in p.split(os.sep)])]
for base_path in sorted(full_list):
if base_path in seen:
continue
try:
post = Post(
base_path,
self.site.config,
rel_dest_dir,
use_in_feeds,
self.site.MESSAGES,
template_name,
self.site.get_compiler(base_path),
destination_base=destination_translatable,
metadata_extractors_by=self.site.metadata_extractors_by
)
for lang in post.translated_to:
seen.add(post.translated_source_path(lang))
timeline.append(post)
except Exception:
LOGGER.error('Error reading post {}'.format(base_path))
raise
return timeline
def supported_extensions(self):
"""Return a list of supported file extensions, or None if such a list isn't known beforehand."""
return list({os.path.splitext(x[0])[1] for x in self.site.config['post_pages']})
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