88 lines
3.7 KiB
Python
88 lines
3.7 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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import xml.etree.ElementTree as ET
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class UtilitiesSyndication:
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def create_rfc4287_entry(feed_entry):
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node_entry = ET.Element('entry')
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node_entry.set('xmlns', 'http://www.w3.org/2005/Atom')
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# Title
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title = ET.SubElement(node_entry, 'title')
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title.set('type', 'text')
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title.text = feed_entry['title']
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# Summary
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summary = ET.SubElement(node_entry, 'summary') # TODO Try 'content'
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summary.set('type', 'text')
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#summary.set('lang', feed_entry['summary_lang'])
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summary.text = feed_entry['summary']
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# Tags
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if feed_entry['tags']:
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for term in feed_entry['tags']:
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tag = ET.SubElement(node_entry, 'category')
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tag.set('term', term)
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# Link
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link = ET.SubElement(node_entry, "link")
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link.set('href', feed_entry['link'])
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# Links
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# for feed_entry_link in feed_entry['links']:
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# link = ET.SubElement(node_entry, "link")
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# link.set('href', feed_entry_link['url'])
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# link.set('type', feed_entry_link['type'])
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# link.set('rel', feed_entry_link['rel'])
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# Date saved
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if 'published' in feed_entry and feed_entry['published']:
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published = ET.SubElement(node_entry, 'published')
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published.text = feed_entry['published']
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# Date edited
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if 'updated' in feed_entry and feed_entry['updated']:
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updated = ET.SubElement(node_entry, 'updated')
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updated.text = feed_entry['updated']
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return node_entry
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def extract_items(item_payload, limit=False):
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namespace = '{http://www.w3.org/2005/Atom}'
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title = item_payload.find(namespace + 'title')
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links = item_payload.find(namespace + 'link')
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if (not isinstance(title, ET.Element) and
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not isinstance(links, ET.Element)): return None
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title_text = '' if title == None else title.text
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if isinstance(links, ET.Element):
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for link in item_payload.findall(namespace + 'link'):
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link_href = link.attrib['href'] if 'href' in link.attrib else ''
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if link_href: break
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contents = item_payload.find(namespace + 'summary')
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summary_text = ''
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if isinstance(contents, ET.Element):
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for summary in item_payload.findall(namespace + 'summary'):
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summary_text = summary.text or ''
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if summary_text: break
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published = item_payload.find(namespace + 'published')
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published_text = '' if published == None else published.text
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categories = item_payload.find(namespace + 'category')
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tags = []
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if isinstance(categories, ET.Element):
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for category in item_payload.findall(namespace + 'category'):
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if 'term' in category.attrib and category.attrib['term']:
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category_term = category.attrib['term']
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if len(category_term) < 20:
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tags.append(category_term)
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elif len(category_term) < 50:
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tags.append(category_term)
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if limit and len(tags) > 4: break
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identifier = item_payload.find(namespace + 'id')
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if identifier and identifier.attrib: print(identifier.attrib)
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identifier_text = '' if identifier == None else identifier.text
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instances = '' # TODO Check the Blasta database for instances.
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entry = {'title' : title_text,
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'link' : link_href,
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'summary' : summary_text,
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'published' : published_text,
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'updated' : published_text, # TODO "Updated" is missing
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'tags' : tags}
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return entry
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