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Adding copy of old plugin; will be changed for v8 metadata conversion.
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Nikola Metadata Upgrade (v7 to v8) | ||
================================== | ||
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This is a plugin to upgrade metadata in `.meta` files from the old format | ||
(without descriptions) to the new reST-esque format. It only applies to users | ||
with two-file posts (`.meta` files alongside text) in the older format (up to 7 | ||
lines of text without any descriptions), used by Nikola before v8.0.0. If this | ||
is the case on your site, **you will be warned** by `nikola build` — otherwise, | ||
don’t install this plugin (it won’t do a thing anyway and will only waste disk | ||
space and load time). | ||
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The plugin adds the `nikola upgrade_metadata_v8` command. Remove the plugin | ||
manually after the upgrade. |
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[Core] | ||
Name = upgrade_metadata_v8 | ||
Module = upgrade_metadata_v8 | ||
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[Nikola] | ||
PluginCategory = Command | ||
MinVersion = 8.0.0 | ||
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[Documentation] | ||
Author = Chris Warrick, Felix Fontein | ||
Version = 0.1 | ||
website = https://getnikola.com/ | ||
Description = Convert special tags (draft, private, mathjax) to metadata |
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# -*- coding: utf-8 -*- | ||
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# Copyright © 2014–2015, Chris Warrick. | ||
# Copyright © 2018, Felix Fontein. | ||
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# 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. | ||
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from __future__ import unicode_literals | ||
import io | ||
import os | ||
import nikola.post | ||
from nikola.plugin_categories import Command | ||
from nikola import utils | ||
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class UpgradeMetadata(Command): | ||
"""Convert special tags (draft, private, mathjax) to status and has_math metadata.""" | ||
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name = 'upgrade_metadata_v8' | ||
doc_purpose = 'Convert special tags (draft, private, mathjax) to metadata' | ||
cmd_options = [ | ||
{ | ||
'name': 'yes', | ||
'short': 'y', | ||
'long': 'yes', | ||
'type': bool, | ||
'default': False, | ||
'help': 'Proceed without confirmation', | ||
}, | ||
] | ||
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def _execute(self, options, args): | ||
L = utils.get_logger('upgrade_metadata_v8', utils.STDERR_HANDLER) | ||
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# scan posts | ||
self.site.scan_posts() | ||
flagged = [] | ||
for post in self.site.timeline: | ||
if post.has_oldstyle_metadata_tags: | ||
flagged.append(post) | ||
if flagged: | ||
if len(flagged) == 1: | ||
L.info('1 post (and/or its translations) contains old-style metadata:') | ||
else: | ||
L.info('{0} posts (and/or their translations) contain old-style metadata:'.format(len(flagged))) | ||
for post in flagged: | ||
L.info(' ' + post.metadata_path) | ||
if not options['yes']: | ||
yesno = utils.ask_yesno("Proceed with metadata upgrade?") | ||
if options['yes'] or yesno: | ||
for post in flagged: | ||
for lang in self.site.config['TRANSLATIONS'].keys(): | ||
if lang == post.default_lang: | ||
fname = post.metadata_path | ||
else: | ||
meta_path = os.path.splitext(post.source_path)[0] + '.meta' | ||
fname = utils.get_translation_candidate(post.config, meta_path, lang) | ||
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if os.path.exists(fname): | ||
with io.open(fname, 'r', encoding='utf-8') as fh: | ||
meta = fh.readlines() | ||
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if not meta[min(1, len(meta) - 1)].startswith('.. '): | ||
# check if we’re dealing with old style metadata | ||
with io.open(fname, 'w', encoding='utf-8') as fh: | ||
for k, v in zip(self.fields, meta): | ||
fh.write('.. {0}: {1}'.format(k, v)) | ||
L.debug(fname) | ||
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L.info('{0} posts upgraded.'.format(len(flagged))) | ||
else: | ||
L.info('Metadata not upgraded.') | ||
else: | ||
L.info('No posts found with special tags. No action is required.') | ||
L.info('You can safely set the USE_TAG_METADATA and the WARN_ABOUT_TAG_METADATA settings to False.') |