Varia's website
https://varia.zone
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86 lines
3.2 KiB
86 lines
3.2 KiB
import os
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import logging
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from urlparse import urljoin
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import six
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from pelican import signals
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from pelican.utils import pelican_open
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if not six.PY3:
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from codecs import open
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logger = logging.getLogger(__name__)
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source_files = []
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PROCESS = ['articles', 'pages', 'drafts']
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def link_source_files(generator):
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"""
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Processes each article/page object and formulates copy from and copy
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to destinations, as well as adding a source file URL as an attribute.
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"""
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# Get all attributes from the generator that are articles or pages
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posts = [
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getattr(generator, attr, None) for attr in PROCESS
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if getattr(generator, attr, None) is not None]
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# Work on each item
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for post in posts[0]:
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if not 'SHOW_SOURCE_ON_SIDEBAR' in generator.settings and \
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not 'SHOW_SOURCE_IN_SECTION' in generator.settings:
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return
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# Only try this when specified in metadata or SHOW_SOURCE_ALL_POSTS
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# override is present in settings
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if 'SHOW_SOURCE_ALL_POSTS' in generator.settings or \
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'show_source' in post.metadata:
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# Source file name can be optionally set in config
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show_source_filename = generator.settings.get(
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'SHOW_SOURCE_FILENAME', '{}.txt'.format(post.slug)
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)
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try:
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# Get the full path to the original source file
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source_out = os.path.join(
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post.settings['OUTPUT_PATH'], post.save_as
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)
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# Get the path to the original source file
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source_out_path = os.path.split(source_out)[0]
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# Create 'copy to' destination for writing later
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copy_to = os.path.join(
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source_out_path, show_source_filename
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)
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# Add file to published path
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source_url = urljoin(
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post.save_as, show_source_filename
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)
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except Exception:
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return
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# Format post source dict & populate
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out = dict()
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out['copy_raw_from'] = post.source_path
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out['copy_raw_to'] = copy_to
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logger.debug('Linked %s to %s', post.source_path, copy_to)
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source_files.append(out)
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# Also add the source path to the post as an attribute for tpls
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post.show_source_url = source_url
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def _copy_from_to(from_file, to_file):
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"""
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A very rough and ready copy from / to function.
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"""
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with pelican_open(from_file) as text_in:
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encoding = 'utf-8'
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with open(to_file, 'w', encoding=encoding) as text_out:
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text_out.write(text_in)
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logger.info('Writing %s', to_file)
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def write_source_files(*args, **kwargs):
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"""
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Called by the `page_writer_finalized` signal to process source files.
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"""
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for source in source_files:
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_copy_from_to(source['copy_raw_from'], source['copy_raw_to'])
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def register():
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"""
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Calls the shots, based on signals
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"""
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signals.article_generator_finalized.connect(link_source_files)
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signals.page_generator_finalized.connect(link_source_files)
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signals.page_writer_finalized.connect(write_source_files)
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