From 024466733cef572ff8f9aefc2b31b3827562dc22 Mon Sep 17 00:00:00 2001 From: pictuga Date: Fri, 9 Nov 2018 22:09:59 +0100 Subject: [PATCH] feeds: remove old code --- morss/feeds.py | 602 ------------------------------------------------- 1 file changed, 602 deletions(-) diff --git a/morss/feeds.py b/morss/feeds.py index c4df7e0..fee8ca7 100644 --- a/morss/feeds.py +++ b/morss/feeds.py @@ -85,28 +85,6 @@ def clean_node(xml): [xml.remove(child) for child in xml] -class FeedException(Exception): - pass - - -def parse(data): - # parse - parser = etree.XMLParser(recover=True) - doc = etree.fromstring(data, parser) - - # rss - match = doc.xpath("//atom03:feed|//atom:feed|//channel|//rdf:rdf|//rdf:RDF", namespaces=NSMAP) - if len(match): - m_table = {'rdf:rdf': FeedParserRSS, 'channel': FeedParserRSS, - 'atom03:feed': FeedParserAtom, 'atom:feed': FeedParserAtom} - match = match[0] - tag = tag_NS(match.tag) - if tag in m_table: - return m_table[tag](doc, tag) - - raise FeedException('unknown feed type') - - def parse_rules(filename=None): if not filename: filename = os.path.join(os.path.dirname(__file__), 'feedify.ini') @@ -404,86 +382,6 @@ class ParserXML(ParserBase): self.rule_remove(self.rules[rule_name]) -class FeedBase(object): - """ - Base for xml-related classes, which provides simple wrappers around xpath - selection and item creation - """ - - def iterdic(self): - for element in self.dic: - value = getattr(self, element) - - if element == 'items': - value = [OrderedDict(x.iterdic()) for x in value] - elif isinstance(value, datetime): - value = value.isoformat() - - yield element, value - - def xpath(self, path): - """ Test xpath rule on xml tree """ - return self.root.xpath(path, namespaces=NSMAP) - - def xget(self, path): - """ Returns the 1st xpath match """ - match = self.xpath(path) - if len(match): - return match[0] - else: - return None - - def xval(self, path): - """ Returns the .text of the 1st match """ - match = self.xget(path) - if match is not None: - return match.text or "" - else: - return "" - - def xget_create(self, table): - """ Returns an element, and creates it when not present """ - value = table[self.tag] - if not isinstance(value, tuple): - value = (value, value) - new, xpath = value - match = self.xget(xpath) - if match is not None: - return match - else: - element = etree.Element(tag_NS(new)) - self.root.append(element) - return element - - def xdel(self, path): - match = self.xget(path) - if match is not None: - return match.getparent().remove(match) - - def from_bool(self, x): - return (x or '').lower() != 'false' - - def to_bool(self, x): - return 'true' if value else 'false' - - def from_time(self, x): - try: - return parse_time(x) - except ValueError: - return None - - def to_time(self, x): - try: - time = parse_time(value) - return time.strftime(instance.timeFormat) - except ValueError: - pass - - def tostring(self, **k): - """ Returns string using lxml. Arguments passed to tostring """ - return etree.tostring(self.xml, **k) - - def parse_time(value): if isinstance(value, basestring): if re.match(r'^[0-9]+$', value): @@ -567,185 +465,6 @@ class FeedXML(Feed, ParserXML): return etree.tostring(self.root.getroottree(), **k) -class FeedParser(FeedBase): - itemsClass = 'FeedItem' - mimetype = 'application/xml' - base = b'' - dic = ('title', 'desc', 'items') - - def __init__(self, xml=None, tag='atom:feed'): - if xml is None: - xml = etree.fromstring(self.base[tag]) - self.xml = xml - self.root = self.xml.xpath("//atom03:feed|//atom:feed|//channel|//rssfake:channel", namespaces=NSMAP)[0] - self.tag = tag - - self.itemsClass = globals()[self.itemsClass] - - def get_title(self): - return "" - - def set_title(self, value): - pass - - def del_title(self): - self.title = "" - - def get_desc(self): - pass - - def set_desc(self, value): - pass - - def del_desc(self): - self.desc = "" - - def get_items(self): - return [] - - def wrap_items(self, items): - return [self.itemsClass(x, self.tag) for x in items] - - title = property( - lambda f: f.get_title(), - lambda f,x: f.set_title(x), - lambda f: f.del_title() ) - description = desc = property( - lambda f: f.get_desc(), - lambda f,x: f.set_desc(x), - lambda f: f.del_desc() ) - items = property( - lambda f: f ) - - def append(self, cousin=None): - new = self.itemsClass(tag=self.tag) - self.root.append(new.xml) - - if cousin is None: - return new - - for attr in self.itemsClass.dic: - if hasattr(cousin, attr): - setattr(new, attr, getattr(cousin, attr)) - - elif attr in cousin: - setattr(new, attr, cousin[attr]) - - return new - - def __getitem__(self, key): - return self.wrap_items(self.get_items())[key] - - def __delitem__(self, key): - self[key].remove() - - def __len__(self): - return len(self.get_items()) - - def tostring(self, **k): - return etree.tostring(self.xml.getroottree(), **k) - - def tojson(self, indent=None): - return json.dumps(OrderedDict(self.iterdic()), indent=indent) - - def tocsv(self): - out = StringIO() - c = csv.writer(out, dialect=csv.excel) - - for item in self.items: - row = [getattr(item, x) for x in item.dic] - - if sys.version_info[0] < 3: - row = [x.encode('utf-8') if isinstance(x, unicode) else x for x in row] - - c.writerow(row) - - out.seek(0) - return out.read() - - def tohtml(self): - path = os.path.join(os.path.dirname(__file__), 'reader.html.template') - loader = DictLoader({'reader': open(path).read()}) - engine = Engine(loader=loader, extensions=[CoreExtension()]) - template = engine.get_template('reader') - return template.render({'feed': self}).encode('utf-8') - - -class FeedParserRSS(FeedParser): - """ - RSS Parser - """ - itemsClass = 'FeedItemRSS' - mimetype = 'application/rss+xml' - base = { - 'rdf:rdf': b'', - 'channel': b''} - - def get_title(self): - return self.xval('rssfake:title|title') - - def set_title(self, value): - if not value: - return self.xdel('rssfake:title|title') - - table = {'rdf:rdf': 'rssfake:title', - 'channel': 'title'} - element = self.xget_create(table) - element.text = value - - def get_desc(self): - return self.xval('rssfake:description|description') - - def set_desc(self, value): - if not value: - return self.xdel('rssfake:description|description') - - table = {'rdf:rdf': 'rssfake:description', - 'channel': 'description'} - element = self.xget_create(table) - element.text = value - - def get_items(self): - return self.xpath('rssfake:item|item') - - -class FeedParserAtom(FeedParser): - """ - Atom Parser - """ - itemsClass = 'FeedItemAtom' - mimetype = 'application/atom+xml' - base = {'atom:feed': b'', - 'atom03:feed': b''} - - def get_title(self): - return self.xval('atom:title|atom03:title') - - def set_title(self, value): - if not value: - return self.xval('atom:title|atom03:title') - - table = {'atom:feed': 'atom:title', - 'atom03:feed': 'atom03:title'} - element = self.xget_create(table) - element.text = value - - def get_desc(self): - return self.xval('atom:subtitle|atom03:subtitle') - - def set_desc(self, value): - if not value: - return self.xdel('atom:subtitle|atom03:subtitle') - - table = {'atom:feed': 'atom:subtitle', - 'atom03:feed': 'atom03:subtitle'} - element = self.xget_create(table) - element.text = value - - def get_items(self): - return self.xpath('atom:entry|atom03:entry') - - class Item(Uniq): dic = ('title', 'link', 'desc', 'content', 'id', 'is_permalink', 'time', 'updated') @@ -794,324 +513,3 @@ class Item(Uniq): class ItemXML(Item, ParserXML): pass - - -class FeedItem(FeedBase, Uniq): - timeFormat = '' - dic = ('title', 'link', 'desc', 'content', 'id', 'is_permalink', 'time', 'updated') - - def __init__(self, xml=None, tag='atom:feed'): - if xml is None: - xml = Element(tag_NS(self.base[tag])) - - self._id = FeedItem._gen_id(xml) - - self.root = self.xml = xml - self.tag = tag - - @classmethod - def _gen_id(cls, xml=None, *args, **kwargs): - if xml is not None: - return id(xml) - - else: - return None - - def get_title(self): - return "" - - def set_title(self, value): - pass - - def del_title(self): - self.title = "" - - def get_link(self): - return "" - - def set_link(self, value): - pass - - def del_link(self): - self.link = "" - - def get_is_permalink(self): - return "" - - def set_is_permalink(self, value): - pass - - def get_desc(self): - return "" - - def set_desc(self, value): - pass - - def del_desc(self): - self.desc = "" - - def get_content(self): - return "" - - def set_content(self, value): - pass - - def del_content(self): - self.content = "" - - def get_id(self): - return "" - - def set_id(self, value): - pass - - def del_id(self): - self.id = "" - - def get_time(self): - return None - - def set_time(self, value): - pass - - def del_time(self): - self.time = None - - def get_updated(self): - return None - - def set_updated(self, value): - pass - - def del_updated(self): - self.updated = None - - title = property( - lambda f: f.get_title(), - lambda f,x: f.set_title(x), - lambda f: f.del_title() ) - link = property( - lambda f: f.get_link(), - lambda f,x: f.set_link(x), - lambda f: f.del_link() ) - description = desc = property( - lambda f: f.get_desc(), - lambda f,x: f.set_desc(x), - lambda f: f.del_desc() ) - content = property( - lambda f: f.get_content(), - lambda f,x: f.set_content(x), - lambda f: f.del_content() ) - id = property( - lambda f: f.get_id(), - lambda f,x: f.set_id(x), - lambda f: f.del_id() ) - is_permalink = property( - lambda f: f.from_bool(f.get_is_permalink()), - lambda f,x: f.set_is_permalink(f.to_bool(x)) ) - time = property( - lambda f: f.from_time(f.get_time()), - lambda f,x: f.set_time(f.to_time(x)), - lambda f: f.del_time() ) - updated = property( - lambda f: f.from_time(f.get_updated()), - lambda f,x: f.set_updated(f.to_time(x)), - lambda f: f.del_updated() ) - - def push_content(self, value): - if not self.desc and self.content: - self.desc = self.content - - self.content = value - - def remove(self): - self.xml.getparent().remove(self.xml) - - -class FeedItemRSS(FeedItem): - timeFormat = '%a, %d %b %Y %H:%M:%S %Z' - base = {'rdf:rdf': 'rssfake:item', - 'channel': 'item'} - - def get_title(self): - return self.xval('rssfake:title|title') - - def set_title(self, value): - if not value: - return self.xdel('rssfake:title|title') - - table = {'rdf:rdf': 'rssfake:title', - 'channel': 'title'} - element = self.xget_create(table) - element.text = value - - def get_link(self): - return self.xval('rssfake:link|link') - - def set_link(self, value): - if self.is_permalink and self.id == self.link != value: - self.is_permalink = False - - table = {'rdf:rdf': 'rssfake:link', - 'channel': 'link'} - element = self.xget_create(table) - element.text = value - - def get_desc(self): - return self.xval('rssfake:description|description') - - def set_desc(self, value): - if not value: - return self.xdel('rssfake:description|description') - - table = {'rdf:rdf': 'rssfake:description', - 'channel': 'description'} - element = self.xget_create(table) - element.text = value - - def get_content(self): - return self.xval('content:encoded') - - def set_content(self, value): - if not value: - return self.xdel('content:encoded') - - table = {'rdf:rdf': 'content:encoded', - 'channel': 'content:encoded'} - element = self.xget_create(table) - element.text = value - - def get_id(self): - return self.xval('rssfake:guid|guid') - - def set_id(self, value): - if not value: - return self.xdel('rssfake:guid|guid') - - table = {'rdf:rdf': 'rssfake:guid', - 'channel': 'guid'} - element = self.xget_create(table) - element.text = value - - def get_is_permalink(self): - return self.xget('rssfake:guid/@isPermaLink|guid/@isPermaLink') - - def set_is_permalink(self, value): - table = {'rdf:rdf': 'rssfake:guid', - 'channel': 'guid'} - element = self.xget_create(table) - element.attrib['isPermaLink'] = value - - def get_time(self): - return self.xval('rssfake:pubDate|pubDate') - - def set_time(self, value): - if not value: - return self.xdel('rssfake:pubDate|pubDate') - - table = {'rdf:rdf': 'rssfake:pubDate', - 'channel': 'pubDate'} - element = self.xget_create(table) - element.text = value - - -class FeedItemAtom(FeedItem): - timeFormat = '%Y-%m-%dT%H:%M:%SZ' - base = {'atom:feed': 'atom:entry', - 'atom03:feed': 'atom03:entry'} - - def get_title(self): - return self.xval('atom:title|atom03:title') - - def set_title(self, value): - if not value: - return self.xdel('atom:title|atom03:title') - - table = {'atom:feed': 'atom:title', - 'atom03:feed': 'atom03:title'} - element = self.xget_create(table) - element.text = value - - def get_link(self): - return self.xget('(atom:link|atom03:link)[@rel="alternate" or not(@rel)]/@href') - - def set_link(self, value): - table = {'atom:feed': ('atom:link', 'atom:link[@rel="alternate" or not(@rel)]'), - 'atom03:feed': ('atom03:link', 'atom03:link[@rel="alternate" or not(@rel)]')} - element = self.xget_create(table) - element.attrib['href'] = value - - def get_desc(self): - # default "type" is "text" - element = self.xget('atom:summary|atom03:summary') - if element is not None: - return inner_html(element) - else: - return "" - - def set_desc(self, value): - if not value: - return self.xdel('atom:summary|atom03:summary') - - table = {'atom:feed': 'atom:summary', - 'atom03:feed': 'atom03:summary'} - element = self.xget_create(table) - if element.attrib.get('type', '') == 'xhtml': - clean_node(element) - element.attrib['type'] = 'html' - element.text = value - - def get_content(self): - element = self.xget('atom:content|atom03:content') - if element is not None: - return inner_html(element) - else: - return "" - - def set_content(self, value): - if not value: - return self.xdel('atom:content|atom03:content') - - table = {'atom:feed': 'atom:content', - 'atom03:feed': 'atom03:content'} - element = self.xget_create(table) - if element.attrib.get('type', '') == 'xhtml': - clean_node(element) - element.attrib['type'] = 'html' - element.text = value - - def get_id(self): - return self.xval('atom:id|atom03:id') - - def set_id(self, value): - if not value: - return self.xdel('atom:id|atom03:id') - - table = {'atom:feed': 'atom:id', - 'atom03:feed': 'atom03:id'} - element = self.xget_create(table) - element.text = value - - def get_time(self): - return self.xval('atom:published|atom03:published') - - def set_time(self, value): - if not value: - return self.xdel('atom:published|atom03:published') - - table = {'atom:feed': 'atom:published', - 'atom03:feed': 'atom03:published'} - element = self.xget_create(table) - element.text = value - - def get_updated(self): - return self.xval('atom:updated|atom03:updated') - - def set_updated(self, value): - if not value: - return self.xdel('atom:updated|atom03:updated') - - table = {'atom:feed': 'atom:updated', - 'atom03:feed': 'atom03:updated'} - element = self.xget_create(table) - element.text = value