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nikola.py
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nikola.py
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# -*- coding: utf-8 -*-
# Copyright © 2012-2018 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 main Nikola site object."""
import io
from collections import defaultdict
from copy import copy
from pkg_resources import resource_filename
import datetime
import functools
import locale
import operator
import os
import json
import sys
import natsort
import mimetypes
try:
from urlparse import urlparse, urlsplit, urlunsplit, urljoin, unquote, parse_qs
except ImportError:
from urllib.parse import urlparse, urlsplit, urlunsplit, urljoin, unquote, parse_qs # NOQA
try:
import pyphen
except ImportError:
pyphen = None
import dateutil.tz
import logging
import PyRSS2Gen as rss
import lxml.etree
import lxml.html
from yapsy.PluginManager import PluginManager
from blinker import signal
from .post import Post # NOQA
from .state import Persistor
from . import DEBUG, SHOW_TRACEBACKS, filters, utils, hierarchy_utils, shortcodes
from .plugin_categories import (
Command,
LateTask,
PageCompiler,
CompilerExtension,
MarkdownExtension,
RestExtension,
MetadataExtractor,
ShortcodePlugin,
Task,
TaskMultiplier,
TemplateSystem,
SignalHandler,
ConfigPlugin,
PostScanner,
Taxonomy,
)
from . import metadata_extractors
from .metadata_extractors import default_metadata_extractors_by
if DEBUG:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.ERROR)
# Default "Read more..." link
DEFAULT_INDEX_READ_MORE_LINK = '<p class="more"><a href="{link}">{read_more}…</a></p>'
DEFAULT_FEED_READ_MORE_LINK = '<p><a href="{link}">{read_more}…</a> ({min_remaining_read})</p>'
config_changed = utils.config_changed
__all__ = ('Nikola',)
# We store legal values for some settings here. For internal use.
LEGAL_VALUES = {
'COMMENT_SYSTEM': [
'disqus',
'facebook',
'intensedebate',
'isso',
'livefyre',
'muut',
],
'TRANSLATIONS': {
'ar': 'Arabic',
'az': 'Azerbaijani',
'bg': 'Bulgarian',
'bs': 'Bosnian',
'ca': 'Catalan',
('cs', 'cz'): 'Czech',
'da': 'Danish',
'de': 'German',
('el', '!gr'): 'Greek',
'en': 'English',
'eo': 'Esperanto',
'es': 'Spanish',
'et': 'Estonian',
'eu': 'Basque',
'fa': 'Persian',
'fi': 'Finnish',
'fr': 'French',
'gl': 'Galician',
'he': 'Hebrew',
'hi': 'Hindi',
'hr': 'Croatian',
'hu': 'Hungarian',
'id': 'Indonesian',
'it': 'Italian',
('ja', '!jp'): 'Japanese',
'ko': 'Korean',
'lt': 'Lithuanian',
'nb': 'Norwegian (Bokmål)',
'nl': 'Dutch',
'pa': 'Punjabi',
'pl': 'Polish',
'pt': 'Portuguese',
'pt_br': 'Portuguese (Brazil)',
'ru': 'Russian',
'sk': 'Slovak',
'sl': 'Slovene',
'sq': 'Albanian',
'sr': 'Serbian (Cyrillic)',
'sr_latin': 'Serbian (Latin)',
'sv': 'Swedish',
'te': 'Telugu',
'th': 'Thai',
('tr', '!tr_TR'): 'Turkish',
'ur': 'Urdu',
'uk': 'Ukrainian',
'zh_cn': 'Chinese (Simplified)',
'zh_tw': 'Chinese (Traditional)'
},
'_WINDOWS_LOCALE_GUESSES': {
# TODO incomplete
# some languages may need that the appropriate Microsoft Language Pack be installed.
"ar": "Arabic",
"az": "Azeri (Latin)",
"bg": "Bulgarian",
"bs": "Bosnian",
"ca": "Catalan",
"cs": "Czech",
"da": "Danish",
"de": "German",
"el": "Greek",
"en": "English",
# "eo": "Esperanto", # Not available
"es": "Spanish",
"et": "Estonian",
"eu": "Basque",
"fa": "Persian", # Persian
"fi": "Finnish",
"fr": "French",
"gl": "Galician",
"he": "Hebrew",
"hi": "Hindi",
"hr": "Croatian",
"hu": "Hungarian",
"id": "Indonesian",
"it": "Italian",
"ja": "Japanese",
"ko": "Korean",
"nb": "Norwegian", # Not Bokmål, as Windows doesn't find it for unknown reasons.
"nl": "Dutch",
"pa": "Punjabi",
"pl": "Polish",
"pt": "Portuguese_Portugal",
"pt_br": "Portuguese_Brazil",
"ru": "Russian",
"sk": "Slovak",
"sl": "Slovenian",
"sq": "Albanian",
"sr": "Serbian",
"sr_latin": "Serbian (Latin)",
"sv": "Swedish",
"te": "Telugu",
"th": "Thai",
"tr": "Turkish",
"uk": "Ukrainian",
"ur": "Urdu",
"zh_cn": "Chinese_China", # Chinese (Simplified)
"zh_tw": "Chinese_Taiwan", # Chinese (Traditional)
},
'_TRANSLATIONS_WITH_COUNTRY_SPECIFIERS': {
# This dict is used in `init` in case of locales that exist with a
# country specifier. If there is no other locale that has the same
# language with a different country, ``nikola init`` (but nobody else!)
# will accept it, warning the user about it.
# This dict is currently empty.
},
'RTL_LANGUAGES': ('ar', 'fa', 'he', 'ur'),
'MOMENTJS_LOCALES': defaultdict(
str,
ar='ar',
az='az',
bg='bg',
bn='bn',
bs='bs',
ca='ca',
cs='cs',
cz='cs',
da='da',
de='de',
el='el',
en='en',
eo='eo',
es='es',
et='et',
eu='eu',
fa='fa',
fi='fi',
fr='fr',
gl='gl',
hi='hi',
he='he',
hr='hr',
hu='hu',
id='id',
it='it',
ja='ja',
ko='ko',
lt='lt',
nb='nb',
nl='nl',
pa='pa-in',
pl='pl',
pt='pt',
pt_br='pt-br',
ru='ru',
sk='sk',
sl='sl',
sq='sq',
sr='sr-cyrl',
sr_latin='sr',
sv='sv',
te='te',
tr='tr',
th='th',
uk='uk',
ur='ur',
zh_cn='zh-cn',
zh_tw='zh-tw'
),
'PYPHEN_LOCALES': {
'bg': 'bg',
'ca': 'ca',
'cs': 'cs',
'cz': 'cs',
'da': 'da',
'de': 'de',
'el': 'el',
'en': 'en_US',
'es': 'es',
'et': 'et',
'fr': 'fr',
'hr': 'hr',
'hu': 'hu',
'it': 'it',
'lt': 'lt',
'nb': 'nb',
'nl': 'nl',
'pl': 'pl',
'pt': 'pt',
'pt_br': 'pt_BR',
'ru': 'ru',
'sk': 'sk',
'sl': 'sl',
'sr': 'sr',
'sv': 'sv',
'te': 'te',
'uk': 'uk',
},
'DOCUTILS_LOCALES': {
'ca': 'ca',
'da': 'da',
'de': 'de',
'en': 'en',
'eo': 'eo',
'es': 'es',
'fa': 'fa',
'fi': 'fi',
'fr': 'fr',
'gl': 'gl',
'he': 'he',
'it': 'it',
'ja': 'ja',
'lt': 'lt',
'pl': 'pl',
'pt': 'pt_br', # hope nobody will mind
'pt_br': 'pt_br',
'ru': 'ru',
'sk': 'sk',
'sv': 'sv',
'zh_cn': 'zh_cn',
'zh_tw': 'zh_tw'
},
"METADATA_MAPPING": ["yaml", "toml", "rest_docinfo", "markdown_metadata"],
}
# Mapping old pre-taxonomy plugin names to new post-taxonomy plugin names
TAXONOMY_COMPATIBILITY_PLUGIN_NAME_MAP = {
"render_archive": ["classify_archive"],
"render_authors": ["classify_authors"],
"render_indexes": ["classify_page_index", "classify_sections"], # "classify_indexes" removed from list (see #2591 and special-case logic below)
"render_tags": ["classify_categories", "render_tag_cloud", "classify_tags"],
}
def _enclosure(post, lang):
"""Add an enclosure to RSS."""
enclosure = post.meta('enclosure', lang)
if enclosure:
try:
length = int(post.meta('enclosure_length', lang) or 0)
except KeyError:
length = 0
except ValueError:
utils.LOGGER.warn("Invalid enclosure length for post {0}".format(post.source_path))
length = 0
url = enclosure
mime = mimetypes.guess_type(url)[0]
return url, length, mime
class Nikola(object):
"""Class that handles site generation.
Takes a site config as argument on creation.
"""
def __init__(self, **config):
"""Initialize proper environment for running tasks."""
# Register our own path handlers
self.path_handlers = {
'slug': self.slug_path,
'post_path': self.post_path,
'root': self.root_path,
'filename': self.filename_path,
}
self.strict = False
self.posts = []
self.all_posts = []
self.posts_per_year = defaultdict(list)
self.posts_per_month = defaultdict(list)
self.posts_per_tag = defaultdict(list)
self.posts_per_category = defaultdict(list)
self.tags_per_language = defaultdict(list)
self.post_per_file = {}
self.timeline = []
self.pages = []
self._scanned = False
self._template_system = None
self._THEMES = None
self._MESSAGES = None
self.filters = {}
self.debug = DEBUG
self.show_tracebacks = SHOW_TRACEBACKS
self.colorful = config.pop('__colorful__', False)
self.invariant = config.pop('__invariant__', False)
self.quiet = config.pop('__quiet__', False)
self._doit_config = config.pop('DOIT_CONFIG', {})
self.original_cwd = config.pop('__cwd__', False)
self.configuration_filename = config.pop('__configuration_filename__', False)
self.configured = bool(config)
self.injected_deps = defaultdict(list)
self.shortcode_registry = {}
self.metadata_extractors_by = default_metadata_extractors_by()
self.rst_transforms = []
self.template_hooks = {
'extra_head': utils.TemplateHookRegistry('extra_head', self),
'body_end': utils.TemplateHookRegistry('body_end', self),
'page_header': utils.TemplateHookRegistry('page_header', self),
'menu': utils.TemplateHookRegistry('menu', self),
'menu_alt': utils.TemplateHookRegistry('menu_alt', self),
'page_footer': utils.TemplateHookRegistry('page_footer', self),
}
# Maintain API
utils.generic_rss_renderer = self.generic_rss_renderer
# This is the default config
self.config = {
'ARCHIVE_PATH': "",
'ARCHIVE_FILENAME': "archive.html",
'ARCHIVES_ARE_INDEXES': False,
'AUTHOR_PATH': 'authors',
'AUTHOR_PAGES_ARE_INDEXES': False,
'AUTHOR_PAGES_DESCRIPTIONS': {},
'AUTHORLIST_MINIMUM_POSTS': 1,
'BLOG_AUTHOR': 'Default Author',
'BLOG_TITLE': 'Default Title',
'BLOG_EMAIL': '',
'BLOG_DESCRIPTION': 'Default Description',
'BODY_END': "",
'CACHE_FOLDER': 'cache',
'CATEGORIES_INDEX_PATH': '',
'CATEGORY_PATH': None, # None means: same as TAG_PATH
'CATEGORY_PAGES_ARE_INDEXES': None, # None means: same as TAG_PAGES_ARE_INDEXES
'CATEGORY_PAGES_DESCRIPTIONS': {},
'CATEGORY_PAGES_TITLES': {},
'CATEGORY_PREFIX': 'cat_',
'CATEGORY_ALLOW_HIERARCHIES': False,
'CATEGORY_OUTPUT_FLAT_HIERARCHY': False,
'CATEGORY_TRANSLATIONS': [],
'CATEGORY_TRANSLATIONS_ADD_DEFAULTS': False,
'CODE_COLOR_SCHEME': 'default',
'COMMENT_SYSTEM': 'disqus',
'COMMENTS_IN_GALLERIES': False,
'COMMENTS_IN_PAGES': False,
'COMPILERS': {
"rest": ('.txt', '.rst'),
"markdown": ('.md', '.mdown', '.markdown'),
"textile": ('.textile',),
"txt2tags": ('.t2t',),
"bbcode": ('.bb',),
"wiki": ('.wiki',),
"ipynb": ('.ipynb',),
"html": ('.html', '.htm')
},
'CONTENT_FOOTER': '',
'CONTENT_FOOTER_FORMATS': {},
'RSS_COPYRIGHT': '',
'RSS_COPYRIGHT_PLAIN': '',
'RSS_COPYRIGHT_FORMATS': {},
'COPY_SOURCES': True,
'CREATE_ARCHIVE_NAVIGATION': False,
'CREATE_MONTHLY_ARCHIVE': False,
'CREATE_SINGLE_ARCHIVE': False,
'CREATE_FULL_ARCHIVES': False,
'CREATE_DAILY_ARCHIVE': False,
'DATE_FORMAT': '%Y-%m-%d %H:%M',
'DISABLE_INDEXES_PLUGIN_INDEX_AND_ATOM_FEED': False,
'DISABLE_INDEXES_PLUGIN_RSS_FEED': False,
'JS_DATE_FORMAT': 'YYYY-MM-DD HH:mm',
'DATE_FANCINESS': 0,
'DEFAULT_LANG': "en",
'DEPLOY_COMMANDS': {'default': []},
'DISABLED_PLUGINS': [],
'EXTRA_PLUGINS_DIRS': [],
'EXTRA_THEMES_DIRS': [],
'COMMENT_SYSTEM_ID': 'nikolademo',
'ENABLE_AUTHOR_PAGES': True,
'EXIF_WHITELIST': {},
'EXTRA_HEAD_DATA': '',
'FAVICONS': (),
'FEED_LENGTH': 10,
'FILE_METADATA_REGEXP': None,
'FILE_METADATA_UNSLUGIFY_TITLES': True,
'ADDITIONAL_METADATA': {},
'FILES_FOLDERS': {'files': ''},
'FILTERS': {},
'FORCE_ISO8601': False,
'FRONT_INDEX_HEADER': '',
'GALLERY_FOLDERS': {'galleries': 'galleries'},
'GALLERY_SORT_BY_DATE': True,
'GLOBAL_CONTEXT_FILLER': [],
'GZIP_COMMAND': None,
'GZIP_FILES': False,
'GZIP_EXTENSIONS': ('.txt', '.htm', '.html', '.css', '.js', '.json', '.xml'),
'HIDDEN_AUTHORS': [],
'HIDDEN_TAGS': [],
'HIDE_REST_DOCINFO': False,
'HIDDEN_CATEGORIES': [],
'HYPHENATE': False,
'IMAGE_FOLDERS': {'images': ''},
'INDEX_DISPLAY_POST_COUNT': 10,
'INDEX_FILE': 'index.html',
'INDEX_TEASERS': False,
'IMAGE_THUMBNAIL_SIZE': 400,
'IMAGE_THUMBNAIL_FORMAT': '{name}.thumbnail{ext}',
'INDEXES_TITLE': "",
'INDEXES_PAGES': "",
'INDEXES_PAGES_MAIN': False,
'INDEXES_PRETTY_PAGE_URL': False,
'INDEXES_STATIC': True,
'INDEX_PATH': '',
'IPYNB_CONFIG': {},
'KATEX_AUTO_RENDER': '',
'LICENSE': '',
'LINK_CHECK_WHITELIST': [],
'LISTINGS_FOLDERS': {'listings': 'listings'},
'LOGO_URL': '',
'NAVIGATION_LINKS': {},
'MARKDOWN_EXTENSIONS': ['fenced_code', 'codehilite', 'extra'],
'MAX_IMAGE_SIZE': 1280,
'MATHJAX_CONFIG': '',
'METADATA_FORMAT': 'nikola',
'METADATA_MAPPING': {},
'NEW_POST_DATE_PATH': False,
'NEW_POST_DATE_PATH_FORMAT': '%Y/%m/%d',
'OLD_THEME_SUPPORT': True,
'OUTPUT_FOLDER': 'output',
'POSTS': (("posts/*.txt", "posts", "post.tmpl"),),
'POSTS_SECTIONS': True,
'POSTS_SECTION_COLORS': {},
'POSTS_SECTIONS_ARE_INDEXES': True,
'POSTS_SECTION_DESCRIPTIONS': "",
'POSTS_SECTION_FROM_META': False,
'POSTS_SECTION_NAME': "",
'POSTS_SECTION_TITLE': "{name}",
'POSTS_SECTION_TRANSLATIONS': [],
'POSTS_SECTION_TRANSLATIONS_ADD_DEFAULTS': False,
'PRESERVE_EXIF_DATA': False,
'PRESERVE_ICC_PROFILES': False,
'PAGES': (("pages/*.txt", "pages", "page.tmpl"),),
'PANDOC_OPTIONS': [],
'PRETTY_URLS': True,
'FUTURE_IS_NOW': False,
'INDEX_READ_MORE_LINK': DEFAULT_INDEX_READ_MORE_LINK,
'REDIRECTIONS': [],
'ROBOTS_EXCLUSIONS': [],
'GENERATE_ATOM': False,
'FEED_TEASERS': True,
'FEED_PLAIN': False,
'FEED_PREVIEWIMAGE': True,
'FEED_READ_MORE_LINK': DEFAULT_FEED_READ_MORE_LINK,
'FEED_LINKS_APPEND_QUERY': False,
'GENERATE_RSS': True,
'RSS_LINK': None,
'RSS_PATH': '',
'SEARCH_FORM': '',
'SHOW_BLOG_TITLE': True,
'SHOW_INDEX_PAGE_NAVIGATION': False,
'SHOW_SOURCELINK': True,
'SHOW_UNTRANSLATED_POSTS': True,
'SLUG_AUTHOR_PATH': True,
'SLUG_TAG_PATH': True,
'SOCIAL_BUTTONS_CODE': '',
'SITE_URL': 'https://example.com/',
'PAGE_INDEX': False,
'SECTION_PATH': '',
'STRIP_INDEXES': True,
'SITEMAP_INCLUDE_FILELESS_DIRS': True,
'TAG_PATH': 'categories',
'TAG_PAGES_ARE_INDEXES': False,
'TAG_PAGES_DESCRIPTIONS': {},
'TAG_PAGES_TITLES': {},
'TAG_TRANSLATIONS': [],
'TAG_TRANSLATIONS_ADD_DEFAULTS': False,
'TAGS_INDEX_PATH': '',
'TAGLIST_MINIMUM_POSTS': 1,
'TEMPLATE_FILTERS': {},
'THEME': 'bootstrap3',
'THEME_COLOR': '#5670d4', # light "corporate blue"
'THUMBNAIL_SIZE': 180,
'TRANSLATIONS_PATTERN': '{path}.{lang}.{ext}',
'URL_TYPE': 'rel_path',
'USE_BASE_TAG': False,
'USE_BUNDLES': True,
'USE_CDN': False,
'USE_CDN_WARNING': True,
'USE_REST_DOCINFO_METADATA': False,
'USE_FILENAME_AS_TITLE': True,
'USE_KATEX': False,
'USE_OPEN_GRAPH': True,
'USE_SLUGIFY': True,
'TIMEZONE': 'UTC',
'WRITE_TAG_CLOUD': False,
'DEPLOY_DRAFTS': True,
'DEPLOY_FUTURE': False,
'SCHEDULE_ALL': False,
'SCHEDULE_RULE': '',
'DEMOTE_HEADERS': 1,
'GITHUB_SOURCE_BRANCH': 'master',
'GITHUB_DEPLOY_BRANCH': 'gh-pages',
'GITHUB_REMOTE_NAME': 'origin',
'GITHUB_COMMIT_SOURCE': False, # WARNING: conf.py.in overrides this with True for backwards compatibility
'META_GENERATOR_TAG': True,
}
# set global_context for template rendering
self._GLOBAL_CONTEXT = {}
self.config.update(config)
# __builtins__ contains useless cruft
if '__builtins__' in self.config:
try:
del self.config['__builtins__']
except KeyError:
del self.config[b'__builtins__']
self.config['__colorful__'] = self.colorful
self.config['__invariant__'] = self.invariant
self.config['__quiet__'] = self.quiet
# Make sure we have sane NAVIGATION_LINKS.
if not self.config['NAVIGATION_LINKS']:
self.config['NAVIGATION_LINKS'] = {self.config['DEFAULT_LANG']: ()}
# Translatability configuration.
self.config['TRANSLATIONS'] = self.config.get('TRANSLATIONS',
{self.config['DEFAULT_LANG']: ''})
for k, v in self.config['TRANSLATIONS'].items():
if os.path.isabs(v):
self.config['TRANSLATIONS'][k] = os.path.relpath(v, '/')
utils.TranslatableSetting.default_lang = self.config['DEFAULT_LANG']
self.TRANSLATABLE_SETTINGS = ('BLOG_AUTHOR',
'BLOG_TITLE',
'BLOG_DESCRIPTION',
'LICENSE',
'CONTENT_FOOTER',
'SOCIAL_BUTTONS_CODE',
'SEARCH_FORM',
'BODY_END',
'EXTRA_HEAD_DATA',
'NAVIGATION_LINKS',
'FRONT_INDEX_HEADER',
'INDEX_READ_MORE_LINK',
'FEED_READ_MORE_LINK',
'INDEXES_TITLE',
'POSTS_SECTION_COLORS',
'POSTS_SECTION_DESCRIPTIONS',
'POSTS_SECTION_NAME',
'POSTS_SECTION_TITLE',
'INDEXES_PAGES',
'INDEXES_PRETTY_PAGE_URL',
# PATH options (Issue #1914)
'TAG_PATH',
'TAGS_INDEX_PATH',
'CATEGORY_PATH',
'CATEGORIES_INDEX_PATH',
'SECTION_PATH',
'INDEX_PATH',
'RSS_PATH',
'AUTHOR_PATH',
'DATE_FORMAT',
'JS_DATE_FORMAT',
'RSS_COPYRIGHT',
'RSS_COPYRIGHT_PLAIN',
)
self._GLOBAL_CONTEXT_TRANSLATABLE = ('blog_author',
'blog_title',
'blog_description',
'license',
'content_footer',
'social_buttons_code',
'search_form',
'body_end',
'extra_head_data',
'date_format',
'js_date_format',
'posts_section_colors',
'posts_section_descriptions',
'posts_section_name',
'posts_section_title',
'front_index_header',
)
# WARNING: navigation_links SHOULD NOT be added to the list above.
# Themes ask for [lang] there and we should provide it.
# We first have to massage JS_DATE_FORMAT, otherwise we run into trouble
if 'JS_DATE_FORMAT' in self.config:
if isinstance(self.config['JS_DATE_FORMAT'], dict):
for k in self.config['JS_DATE_FORMAT']:
self.config['JS_DATE_FORMAT'][k] = json.dumps(self.config['JS_DATE_FORMAT'][k])
else:
self.config['JS_DATE_FORMAT'] = json.dumps(self.config['JS_DATE_FORMAT'])
for i in self.TRANSLATABLE_SETTINGS:
try:
self.config[i] = utils.TranslatableSetting(i, self.config[i], self.config['TRANSLATIONS'])
except KeyError:
pass
# A EXIF_WHITELIST implies you want to keep EXIF data
if self.config['EXIF_WHITELIST'] and not self.config['PRESERVE_EXIF_DATA']:
utils.LOGGER.warn('Setting EXIF_WHITELIST implies PRESERVE_EXIF_DATA is set to True')
self.config['PRESERVE_EXIF_DATA'] = True
# Setting PRESERVE_EXIF_DATA with an empty EXIF_WHITELIST implies 'keep everything'
if self.config['PRESERVE_EXIF_DATA'] and not self.config['EXIF_WHITELIST']:
utils.LOGGER.warn('You are setting PRESERVE_EXIF_DATA and not EXIF_WHITELIST so EXIF data is not really kept.')
if 'UNSLUGIFY_TITLES' in self.config:
utils.LOGGER.warn('The UNSLUGIFY_TITLES setting was renamed to FILE_METADATA_UNSLUGIFY_TITLES.')
self.config['FILE_METADATA_UNSLUGIFY_TITLES'] = self.config['UNSLUGIFY_TITLES']
# Handle CONTENT_FOOTER and RSS_COPYRIGHT* properly.
# We provide the arguments to format in CONTENT_FOOTER_FORMATS and RSS_COPYRIGHT_FORMATS.
self.config['CONTENT_FOOTER'].langformat(self.config['CONTENT_FOOTER_FORMATS'])
self.config['RSS_COPYRIGHT'].langformat(self.config['RSS_COPYRIGHT_FORMATS'])
self.config['RSS_COPYRIGHT_PLAIN'].langformat(self.config['RSS_COPYRIGHT_FORMATS'])
# propagate USE_SLUGIFY
utils.USE_SLUGIFY = self.config['USE_SLUGIFY']
# Make sure we have pyphen installed if we are using it
if self.config.get('HYPHENATE') and pyphen is None:
utils.LOGGER.warn('To use the hyphenation, you have to install '
'the "pyphen" package.')
utils.LOGGER.warn('Setting HYPHENATE to False.')
self.config['HYPHENATE'] = False
# FIXME: Internally, we still use post_pages because it's a pain to change it
self.config['post_pages'] = []
for i1, i2, i3 in self.config['POSTS']:
self.config['post_pages'].append([i1, i2, i3, True])
for i1, i2, i3 in self.config['PAGES']:
self.config['post_pages'].append([i1, i2, i3, False])
# Handle old plugin names (from before merging the taxonomy PR #2535)
for old_plugin_name, new_plugin_names in TAXONOMY_COMPATIBILITY_PLUGIN_NAME_MAP.items():
if old_plugin_name in self.config['DISABLED_PLUGINS']:
missing_plugins = []
for plugin_name in new_plugin_names:
if plugin_name not in self.config['DISABLED_PLUGINS']:
missing_plugins.append(plugin_name)
if missing_plugins:
utils.LOGGER.warn('The "{}" plugin was replaced by several taxonomy plugins (see PR #2535): {}'.format(old_plugin_name, ', '.join(new_plugin_names)))
utils.LOGGER.warn('You are currently disabling "{}", but not the following new taxonomy plugins: {}'.format(old_plugin_name, ', '.join(missing_plugins)))
utils.LOGGER.warn('Please also disable these new plugins or remove "{}" from the DISABLED_PLUGINS list.'.format(old_plugin_name))
self.config['DISABLED_PLUGINS'].extend(missing_plugins)
# Special-case logic for "render_indexes" to fix #2591
if 'render_indexes' in self.config['DISABLED_PLUGINS']:
if 'generate_rss' in self.config['DISABLED_PLUGINS'] or self.config['GENERATE_RSS'] is False:
if 'classify_indexes' not in self.config['DISABLED_PLUGINS']:
utils.LOGGER.warn('You are disabling the "render_indexes" plugin, as well as disabling the "generate_rss" plugin or setting GENERATE_RSS to False. To achieve the same effect, please disable the "classify_indexes" plugin in the future.')
self.config['DISABLED_PLUGINS'].append('classify_indexes')
else:
if not self.config['DISABLE_INDEXES_PLUGIN_INDEX_AND_ATOM_FEED']:
utils.LOGGER.warn('You are disabling the "render_indexes" plugin, but not the generation of RSS feeds. Please put "DISABLE_INDEXES_PLUGIN_INDEX_AND_ATOM_FEED = True" into your configuration instead.')
self.config['DISABLE_INDEXES_PLUGIN_INDEX_AND_ATOM_FEED'] = True
# Disable RSS. For a successful disable, we must have both the option
# false and the plugin disabled through the official means.
if 'generate_rss' in self.config['DISABLED_PLUGINS'] and self.config['GENERATE_RSS'] is True:
utils.LOGGER.warn('Please use GENERATE_RSS to disable RSS feed generation, instead of mentioning generate_rss in DISABLED_PLUGINS.')
self.config['GENERATE_RSS'] = False
self.config['DISABLE_INDEXES_PLUGIN_RSS_FEED'] = True
# PRETTY_URLS defaults to enabling STRIP_INDEXES unless explicitly disabled
if self.config.get('PRETTY_URLS') and 'STRIP_INDEXES' not in config:
self.config['STRIP_INDEXES'] = True
if not self.config.get('COPY_SOURCES'):
self.config['SHOW_SOURCELINK'] = False
if self.config['CATEGORY_PATH']._inp is None:
self.config['CATEGORY_PATH'] = self.config['TAG_PATH']
if self.config['CATEGORY_PAGES_ARE_INDEXES'] is None:
self.config['CATEGORY_PAGES_ARE_INDEXES'] = self.config['TAG_PAGES_ARE_INDEXES']
self.default_lang = self.config['DEFAULT_LANG']
self.translations = self.config['TRANSLATIONS']
locale_fallback, locale_default, locales = sanitized_locales(
self.config.get('LOCALE_FALLBACK', None),
self.config.get('LOCALE_DEFAULT', None),
self.config.get('LOCALES', {}), self.translations)
utils.LocaleBorg.initialize(locales, self.default_lang)
# BASE_URL defaults to SITE_URL
if 'BASE_URL' not in self.config:
self.config['BASE_URL'] = self.config.get('SITE_URL')
# BASE_URL should *always* end in /
if self.config['BASE_URL'] and self.config['BASE_URL'][-1] != '/':
utils.LOGGER.warn("Your BASE_URL doesn't end in / -- adding it, but please fix it in your config file!")
self.config['BASE_URL'] += '/'
try:
_bnl = urlsplit(self.config['BASE_URL']).netloc
_bnl.encode('ascii')
urlsplit(self.config['SITE_URL']).netloc.encode('ascii')
except (UnicodeEncodeError, UnicodeDecodeError):
utils.LOGGER.error("Your BASE_URL or SITE_URL contains an IDN expressed in Unicode. Please convert it to Punycode.")
utils.LOGGER.error("Punycode of {}: {}".format(_bnl, _bnl.encode('idna')))
sys.exit(1)
# Load built-in metadata extractors
metadata_extractors.load_defaults(self, self.metadata_extractors_by)
if metadata_extractors.DEFAULT_EXTRACTOR is None:
utils.LOGGER.error("Could not find default meta extractor ({})".format(
metadata_extractors.DEFAULT_EXTRACTOR_NAME))
sys.exit(1)
# The pelican metadata format requires a markdown extension
if config.get('METADATA_FORMAT', 'nikola').lower() == 'pelican':
if 'markdown.extensions.meta' not in config.get('MARKDOWN_EXTENSIONS', []) \
and 'markdown' in self.config['COMPILERS']:
utils.LOGGER.warn(
'To use the pelican metadata format you need to add '
'"markdown.extensions.meta" to your MARKDOWN_EXTENSIONS setting.')
# We use one global tzinfo object all over Nikola.
try:
self.tzinfo = dateutil.tz.gettz(self.config['TIMEZONE'])
except Exception as exc:
utils.LOGGER.warn("Error getting TZ: {}", exc)
self.tzinfo = dateutil.tz.gettz()
self.config['__tzinfo__'] = self.tzinfo
# Store raw compilers for internal use (need a copy for that)
self.config['_COMPILERS_RAW'] = {}
for k, v in self.config['COMPILERS'].items():
self.config['_COMPILERS_RAW'][k] = list(v)
# Get search path for themes
self.themes_dirs = ['themes'] + self.config['EXTRA_THEMES_DIRS']
# Register default filters
filter_name_format = 'filters.{0}'
for filter_name, filter_definition in filters.__dict__.items():
# Ignore objects whose name starts with an underscore, or which are not callable
if filter_name.startswith('_') or not callable(filter_definition):
continue
# Register all other objects as filters
self.register_filter(filter_name_format.format(filter_name), filter_definition)
self._set_global_context_from_config()
# Read data files only if a site exists (Issue #2708)
if self.configured:
self._set_global_context_from_data()
# Set persistent state facility
self.state = Persistor('state_data.json')
# Set cache facility
self.cache = Persistor(os.path.join(self.config['CACHE_FOLDER'], 'cache_data.json'))
# Create directories for persistors only if a site exists (Issue #2334)
if self.configured:
self.state._set_site(self)
self.cache._set_site(self)
def _filter_duplicate_plugins(self, plugin_list):
"""Find repeated plugins and discard the less local copy."""
def plugin_position_in_places(plugin):
# plugin here is a tuple:
# (path to the .plugin file, path to plugin module w/o .py, plugin metadata)
for i, place in enumerate(self._plugin_places):
if plugin[0].startswith(place):
return i
plugin_dict = defaultdict(list)
for data in plugin_list:
plugin_dict[data[2].name].append(data)
result = []
for _, plugins in plugin_dict.items():
if len(plugins) > 1:
# Sort by locality
plugins.sort(key=plugin_position_in_places)
utils.LOGGER.debug("Plugin {} exists in multiple places, using {}".format(
plugins[-1][2].name, plugins[-1][0]))
result.append(plugins[-1])
return result
def init_plugins(self, commands_only=False, load_all=False):
"""Load plugins as needed."""
self.plugin_manager = PluginManager(categories_filter={
"Command": Command,
"Task": Task,
"LateTask": LateTask,
"TemplateSystem": TemplateSystem,
"PageCompiler": PageCompiler,
"TaskMultiplier": TaskMultiplier,
"CompilerExtension": CompilerExtension,
"MarkdownExtension": MarkdownExtension,
"RestExtension": RestExtension,
"MetadataExtractor": MetadataExtractor,
"ShortcodePlugin": ShortcodePlugin,
"SignalHandler": SignalHandler,
"ConfigPlugin": ConfigPlugin,
"PostScanner": PostScanner,
"Taxonomy": Taxonomy,
})
self.plugin_manager.getPluginLocator().setPluginInfoExtension('plugin')
extra_plugins_dirs = self.config['EXTRA_PLUGINS_DIRS']
self._plugin_places = [
resource_filename('nikola', 'plugins'),
os.path.expanduser('~/.nikola/plugins'),
os.path.join(os.getcwd(), 'plugins'),
] + [path for path in extra_plugins_dirs if path]
compilers = defaultdict(set)
# Also add aliases for combinations with TRANSLATIONS_PATTERN
for compiler, exts in self.config['COMPILERS'].items():
for ext in exts:
compilers[compiler].add(ext)
for lang in self.config['TRANSLATIONS'].keys():
candidate = utils.get_translation_candidate(self.config, "f" + ext, lang)
compilers[compiler].add(candidate)
# Avoid redundant compilers (if load_all is False):
# Remove compilers (and corresponding compiler extensions) that are not marked as
# needed by any PostScanner plugin and put them into self.disabled_compilers
# (respectively self.disabled_compiler_extensions).
self.config['COMPILERS'] = {}
self.disabled_compilers = {}
self.disabled_compiler_extensions = defaultdict(list)
self.plugin_manager.getPluginLocator().setPluginPlaces(self._plugin_places)
self.plugin_manager.locatePlugins()
bad_candidates = set([])
if not load_all:
for p in self.plugin_manager._candidates:
if commands_only:
if p[-1].details.has_option('Nikola', 'PluginCategory'):
# FIXME TemplateSystem should not be needed
if p[-1].details.get('Nikola', 'PluginCategory') not in {'Command', 'Template'}:
bad_candidates.add(p)
else:
bad_candidates.add(p)
elif self.configured: # Not commands-only, and configured
# Remove blacklisted plugins
if p[-1].name in self.config['DISABLED_PLUGINS']:
bad_candidates.add(p)
utils.LOGGER.debug('Not loading disabled plugin {}', p[-1].name)
# Remove compilers we don't use
if p[-1].details.has_option('Nikola', 'PluginCategory') and p[-1].details.get('Nikola', 'PluginCategory') in ('Compiler', 'PageCompiler'):
bad_candidates.add(p)
self.disabled_compilers[p[-1].name] = p
# Remove compiler extensions we don't need
if p[-1].details.has_option('Nikola', 'compiler') and p[-1].details.get('Nikola', 'compiler') in self.disabled_compilers:
bad_candidates.add(p)
self.disabled_compiler_extensions[p[-1].details.get('Nikola', 'compiler')].append(p)
self.plugin_manager._candidates = list(set(self.plugin_manager._candidates) - bad_candidates)
self.plugin_manager._candidates = self._filter_duplicate_plugins(self.plugin_manager._candidates)
self.plugin_manager.loadPlugins()
# Search for compiler plugins which we disabled but shouldn't have
self._activate_plugins_of_category("PostScanner")
if not load_all:
file_extensions = set()
for post_scanner in [p.plugin_object for p in self.plugin_manager.getPluginsOfCategory('PostScanner')]:
exts = post_scanner.supported_extensions()
if exts is not None:
file_extensions.update(exts)
else:
# Stop scanning for more: once we get None, we have to load all compilers anyway
utils.LOGGER.debug("Post scanner {0!r} does not implement `supported_extensions`, loading all compilers".format(post_scanner))
file_extensions = None
break
to_add = []
for k, v in compilers.items():
if file_extensions is None or file_extensions.intersection(v):
self.config['COMPILERS'][k] = sorted(list(v))
p = self.disabled_compilers.pop(k, None)
if p:
to_add.append(p)
for p in self.disabled_compiler_extensions.pop(k, []):
to_add.append(p)
for _, p in self.disabled_compilers.items():
utils.LOGGER.debug('Not loading unneeded compiler {}', p[-1].name)
for _, plugins in self.disabled_compiler_extensions.items():
for p in plugins:
utils.LOGGER.debug('Not loading compiler extension {}', p[-1].name)
if to_add:
self.plugin_manager._candidates = self._filter_duplicate_plugins(to_add)
self.plugin_manager.loadPlugins()
# Jupyter theme configuration. If a website has ipynb enabled in post_pages
# we should enable the Jupyter CSS (leaving that up to the theme itself).
if 'needs_ipython_css' not in self._GLOBAL_CONTEXT:
self._GLOBAL_CONTEXT['needs_ipython_css'] = 'ipynb' in self.config['COMPILERS']
# Activate metadata extractors and prepare them for use
for p in self._activate_plugins_of_category("MetadataExtractor"):
metadata_extractors.classify_extractor(p.plugin_object, self.metadata_extractors_by)
self._activate_plugins_of_category("Taxonomy")
self.taxonomy_plugins = {}
for taxonomy in [p.plugin_object for p in self.plugin_manager.getPluginsOfCategory('Taxonomy')]:
if not taxonomy.is_enabled():
continue
if taxonomy.classification_name in self.taxonomy_plugins:
utils.LOGGER.error("Found more than one taxonomy with classification name '{}'!".format(taxonomy.classification_name))
sys.exit(1)
self.taxonomy_plugins[taxonomy.classification_name] = taxonomy