www.duckland.org/plugins/upgrade_metadata/upgrade_metadata.py
2015-06-09 22:50:31 -05:00

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# -*- coding: utf-8 -*-
# Copyright © 20142015, Chris Warrick.
# 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):
"""Upgrade metadata from the old no-descriptions format to the new reST-esque format."""
name = 'upgrade_metadata'
doc_purpose = 'upgrade old-style metadata'
cmd_options = [
{
'name': 'yes',
'short': 'y',
'long': 'yes',
'type': bool,
'default': False,
'help': 'Proceed without confirmation',
},
]
fields = ('title', 'slug', 'date', 'tags', 'link', 'description', 'type')
def _execute(self, options, args):
L = utils.get_logger('upgrade_metadata', self.site.loghandlers)
nikola.post._UPGRADE_METADATA_ADVERTISED = True
# scan posts
self.site.scan_posts()
flagged = []
for post in self.site.timeline:
if not post.newstylemeta:
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 post.translated_to:
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)
with io.open(fname, 'r', encoding='utf-8') as fh:
meta = fh.readlines()
if not meta[1].startswith('.. '):
# check if were 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 old-style metadata posts found. No action is required.')