forked from github/pelican
d13e6f14fb
Add a way to specify the locale in the settings, and the date formating as well. Fixes #61.
170 lines
6 KiB
Python
170 lines
6 KiB
Python
# -*- coding: utf-8 -*-
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import os
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import re
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from codecs import open
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from functools import partial
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from feedgenerator import Atom1Feed, Rss201rev2Feed
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from pelican.utils import get_relative_path
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class Writer(object):
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def __init__(self, output_path):
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self.output_path = output_path
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self.reminder = dict()
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def _create_new_feed(self, feed_type, context):
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feed_class = Rss201rev2Feed if feed_type == 'rss' else Atom1Feed
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feed = feed_class(
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title=context['SITENAME'],
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link=self.site_url,
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feed_url=self.feed_url,
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description=context.get('SITESUBTITLE', ''))
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return feed
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def _add_item_to_the_feed(self, feed, item):
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feed.add_item(
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title=item.title,
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link='%s/%s' % (self.site_url, item.url),
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description=item.content,
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categories=item.tags if hasattr(item, 'tags') else None,
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author_name=getattr(item, 'author', 'John Doe'),
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pubdate=item.date)
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def write_feed(self, elements, context, filename=None, feed_type='atom'):
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"""Generate a feed with the list of articles provided
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Return the feed. If no output_path or filename is specified, just return
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the feed object.
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:param articles: the articles to put on the feed.
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:param context: the context to get the feed metadata.
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:param output_path: where to output the file.
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:param filename: the filename to output.
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:param feed_type: the feed type to use (atom or rss)
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"""
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self.site_url = context.get('SITEURL', get_relative_path(filename))
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self.feed_url= '%s/%s' % (self.site_url, filename)
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feed = self._create_new_feed(feed_type, context)
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for item in elements:
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self._add_item_to_the_feed(feed, item)
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if filename:
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complete_path = os.path.join(self.output_path, filename)
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try:
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os.makedirs(os.path.dirname(complete_path))
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except Exception:
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pass
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fp = open(complete_path, 'w')
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feed.write(fp, 'utf-8')
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print u' [ok] writing %s' % complete_path
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fp.close()
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return feed
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def write_file(self, name, template, context, relative_urls=True,
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**kwargs):
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"""Render the template and write the file.
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:param name: name of the file to output
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:param template: template to use to generate the content
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:param context: dict to pass to the templates.
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:param relative_urls: use relative urls or absolutes ones
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:param **kwargs: additional variables to pass to the templates
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"""
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localcontext = context.copy()
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if relative_urls:
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localcontext['SITEURL'] = get_relative_path(name)
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localcontext.update(kwargs)
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self.update_context_contents(name, localcontext)
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output = template.render(localcontext)
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filename = os.sep.join((self.output_path, name))
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try:
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os.makedirs(os.path.dirname(filename))
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except Exception:
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pass
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with open(filename, 'w', encoding='utf-8') as f:
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f.write(output)
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print u' [ok] writing %s' % filename
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def update_context_contents(self, name, context):
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"""Recursively run the context to find elements (articles, pages, etc) whose content getter needs to
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be modified in order to deal with relative paths.
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:param name: name of the file to output.
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:param context: dict that will be passed to the templates.
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"""
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if context is None:
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return None
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if type(context) == tuple:
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context = list(context)
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if type(context) == dict:
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context = list(context.values())
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for i in xrange(len(context)):
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if type(context[i]) == tuple or type(context[i]) == list:
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context[i] = self.update_context_contents(name, context[i])
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elif type(context[i]) == dict:
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context[i] = self.update_context_contents(name, context[i].values())
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elif hasattr(context[i], '_content'):
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relative_path = get_relative_path(name)
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item = context[i]
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if item in self.reminder:
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if relative_path not in self.reminder[item]:
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l = self.reminder[item]
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l.append(relative_path)
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self.inject_update_method(name, item)
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else:
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l = list(relative_path)
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self.reminder[item] = l
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self.inject_update_method(name, item)
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return context
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def inject_update_method(self, name, item):
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"""Replace the content attribute getter of an element by a function that will deals with its
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relatives paths.
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"""
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def _update_object_content(name, input):
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"""Change all the relatives paths of the input content to relatives paths
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suitable fot the ouput content
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:param name: path of the output.
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:param input: input resource that will be passed to the templates.
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"""
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content = input._content
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hrefs = re.compile(r'<\s*[^\>]*href\s*=\s*(["\'])(.*?)\1')
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srcs = re.compile(r'<\s*[^\>]*src\s*=\s*(["\'])(.*?)\1')
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matches = hrefs.findall(content)
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matches.extend(srcs.findall(content))
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relative_paths = []
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for found in matches:
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found = found[1]
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if found not in relative_paths:
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relative_paths.append(found)
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for relative_path in relative_paths:
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if not "://" in relative_path: # we don't want to rewrite protocols
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dest_path = os.sep.join((get_relative_path(name), "static",
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relative_path))
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content = content.replace(relative_path, dest_path)
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return content
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if item:
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setattr(item, "_get_content",
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partial(_update_object_content, name, item))
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