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Began working on plugin for #2761 (no real code yet).
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felixfontein committed May 1, 2018
1 parent af3c6a1 commit dfc874d9fe4558a672a8ae8385b14949aeb771d5
@@ -0,0 +1,13 @@
[Core]
Name = upgrade_metadata_v8
Module = upgrade_metadata_v8

[Nikola]
PluginCategory = Command
MinVersion = 8.0.0

[Documentation]
Author = Chris Warrick, Felix Fontein
Version = 0.1
website = https://getnikola.com/
Description = Convert special tags (draft, private, mathjax) to metadata
@@ -0,0 +1,95 @@
# -*- coding: utf-8 -*-

# Copyright © 2014–2015, Chris Warrick.
# Copyright © 2018, Felix Fontein.

# 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
import nikola.post
from nikola.plugin_categories import Command
from nikola import utils


class UpgradeMetadata(Command):
"""Convert special tags (draft, private, mathjax) to status and has_math metadata."""

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',
},
]

def _execute(self, options, args):
L = utils.get_logger('upgrade_metadata_v8', utils.STDERR_HANDLER)

# 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)

if os.path.exists(fname):
with io.open(fname, 'r', encoding='utf-8') as fh:
meta = fh.readlines()

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)

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.')
@@ -243,6 +243,7 @@ def __init__(
is_private = False
post_status = 'published'
self._tags = {}
self.has_oldstyle_metadata_tags = False
for lang in self.translated_to:
if isinstance(self.meta[lang]['tags'], (list, tuple, set)):
_tag_list = self.meta[lang]['tags']
@@ -282,8 +283,10 @@ def __init__(
show_warning = True
if show_warning:
LOGGER.warn('It is suggested that you convert special tags to metadata and set '
'USE_TAG_METADATA to False. Change the WARN_ABOUT_TAG_METADATA '
'USE_TAG_METADATA to False. You can use the upgrade_metadata_v8 '
'command plugin for conversion. Change the WARN_ABOUT_TAG_METADATA '
'configuration to disable this warning.')
self.has_oldstyle_metadata_tags = True
if self.config['USE_TAG_METADATA']:
if 'draft' in [_.lower() for _ in self._tags[lang]]:
is_draft = True

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