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Fall back to the old feed settings for older theme

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Bryan Brattlof 2018-12-15 19:46:09 -06:00
commit f995e6d3b9
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1 changed files with 50 additions and 1 deletions
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51
pelican/writers.py
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@ -178,14 +178,63 @@ class Writer(object):
# other stuff, just return for now
return
def _old_theme_fix(template, localcontext, path):
"""
To give themes time to update, change atom/feed variables
back to using %s and try again. If it fails again return None
"""
for tag in ['AUTHOR_FEED_ATOM', 'AUTHOR_FEED_RSS',
'CATEGORY_FEED_ATOM', 'CATEGORY_FEED_RSS',
'TAG_FEED_ATOM', 'TAG_FEED_RSS']:
tmp = localcontext.get(tag, None)
if tmp is None:
continue
localcontext[tag] = tmp.replace('{slug}', '%s')
try: # try with the old feed settings
output = template.render(localcontext)
except Exception:
# that didn't work. ¯\_(ツ)_/¯
logger.error(
'Failed to Write %s', path,
exc_info=True,
extra={
'limit_msg': "More files failed to write."
}
)
return # return nothing to let _write_file know we failed
logger.warning(
'The "%s" template is using a deprecated way of generating'
' atom/rss urls, and could stop working very soon.\n Check'
' "http://docs.getpelican.com/en/stable/settings.html'
'#feed-settings" to learn more.',
template.name,
extra={
'limit_msg': 'There are more deprecation warnings'
' about this theme.'
}
)
# give the generated content back to _write_file so it can
# save it back to disk.
return output
def _write_file(template, localcontext, output_path, name, override):
"""Render the template write the file."""
# set localsiteurl for context so that Contents can adjust links
if localcontext['localsiteurl']:
context['localsiteurl'] = localcontext['localsiteurl']
output = template.render(localcontext)
path = sanitised_join(output_path, name)
try: # maybe this is an older theme
output = template.render(localcontext)
except TypeError:
output = _old_theme_fix(template, localcontext, path)
if output is None:
return # we failed to fix the older theme
try:
os.makedirs(os.path.dirname(path))
except Exception: