refac: split on other files
This commit is contained in:
parent
8109f03309
commit
942d8d7782
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@ -1,129 +1,18 @@
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import mimetypes
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from lxml.etree import Element, CDATA, tostring
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from typing import Optional, List, TypeVar, Dict, Any, Union
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from datetime import datetime
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from typing import Optional, List, Dict
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import pytz
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from lxml.etree import Element, CDATA, tostring
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from .utils import create_element, ElementT
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from .item import Item
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from .enclosure import Enclosure
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__all__ = ('GenRSS', 'Item', 'Enclosure')
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ElementT = TypeVar('ElementT')
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RSS_DEFAULT_GENERATOR = f'Generated by genrss for python'
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def create_element(name: str, text: Any = None, children: List[ElementT] = None,
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**kwargs) -> ElementT:
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"""Creates xml node with text or children elements.
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:param name: Tag name of node with namespace
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:param text: Text of node
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:param children: Appends elements as child nodes
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"""
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el = Element(name, **kwargs)
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if text:
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if isinstance(text, datetime):
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text = text.replace(tzinfo=pytz.timezone('GMT')). \
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strftime("%a, %d %b %Y %H:%M:%S %Z")
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el.text = text
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elif isinstance(children, (list, tuple)):
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for child in children:
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el.append(child)
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return el
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class Enclosure:
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"""Data for enclosure tag for rss.
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:param url: Absolute url to file
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:param size: File size
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:param type: File mime type
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"""
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def __init__(self, url: str, size=None, type=None):
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self.url = url
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self.size = size or 0
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self.type = type or mimetypes.guess_type(self.url)[0]
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def to_element(self) -> ElementT:
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"""Returns item element for xml."""
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return create_element('enclosure', url=self.url, length=str(self.size),
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type=self.type)
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@staticmethod
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def from_dict(data: Dict[str, Union[str, int]]):
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"""Makes enclosure data from dict."""
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return Enclosure(data.get('url'), data.get('size'), data.get('type'))
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class Item:
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"""Data for item tag for rss.
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:param title: Title of this particular item
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:param description: Content for the item. Can contain html but
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link and image urls must be absolute path including hostname
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:param url: Url to the item. This could be a blog entry
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:param guid: A unique string feed readers use to know if an item
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is new or has already been seen. If you use a guid never change
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it. If you don't provide a guid then your item urls must be unique
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:param author: If included it is the name of the item's creator.
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If not provided the item author will be the same as the feed
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author. This is typical except on multi-author blogs
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:param categories: If provided, each array item will be added as a
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category element
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:param enclosure: An enclosure object
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:param pub_date: The date and time of when the item was created.
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Feed readers use this to determine the sort order. Some readers
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will also use it to determine if the content should be presented
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as unread
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"""
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def __init__(self, title: str, **kwargs):
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self.title: str = title
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self.description: str = kwargs.pop('description', '')
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self.url: Optional[str] = kwargs.pop('url', None)
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self.guid: Optional[str] = kwargs.pop('guid', None)
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self.author: Optional[str] = kwargs.pop('author', None)
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self.categories: List[str] = kwargs.pop('categories', [])
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self.enclosure: Optional[Enclosure] = kwargs.pop('enclosure', None)
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self.pub_date: Optional[datetime] = kwargs.pop('pub_date', None)
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if isinstance(self.enclosure, dict):
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self.enclosure = Enclosure.from_dict(self.enclosure)
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def to_element(self) -> ElementT:
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"""Returns item element for xml."""
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item = create_element('item', children=[
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create_element('title', CDATA(self.title)),
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create_element('description', CDATA(self.description)),
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])
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if self.url:
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item.append(create_element('link', self.url))
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item.append(create_element(
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'guid',
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attrib={
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'isPermaLink': str(bool(not self.guid and self.url)).lower()
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},
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text=(self.guid or self.url or CDATA(self.title))
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))
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if self.author:
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item.append(create_element(
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'{http://purl.org/dc/elements/1.1/}creator',
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CDATA(self.author)
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))
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for category in self.categories:
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item.append(create_element('category', CDATA(category)))
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if self.enclosure:
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item.append(self.enclosure.to_element())
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if self.pub_date:
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item.append(create_element('pubDate', self.pub_date))
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return item
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class GenRSS:
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"""Generates RSS feed of channel.
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@ -240,5 +129,5 @@ class GenRSS:
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root = self.to_element()
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return tostring(root, pretty_print=pretty, xml_declaration=True,
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encoding='UTF-8').\
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encoding='UTF-8'). \
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decode('utf-8')
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@ -0,0 +1,32 @@
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import mimetypes
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from typing import Dict, Union
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from .utils import ElementT, create_element
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__all__ = ('Enclosure',)
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class Enclosure:
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"""Data for enclosure tag for rss.
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:param url: Absolute url to file
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:param size: File size
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:param type: File mime type
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"""
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def __init__(self, url: str, size=None, type=None):
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self.url = url
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self.size = size or 0
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self.type = type or mimetypes.guess_type(self.url)[0]
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def to_element(self) -> ElementT:
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"""Returns item element for xml."""
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return create_element('enclosure', url=self.url, length=str(self.size),
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type=self.type)
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@staticmethod
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def from_dict(data: Dict[str, Union[str, int]]):
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"""Makes enclosure data from dict."""
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return Enclosure(data.get('url'), data.get('size'), data.get('type'))
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@ -0,0 +1,78 @@
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from datetime import datetime
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from typing import Optional, List
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from lxml.etree import CDATA
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from .utils import ElementT, create_element
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from .enclosure import Enclosure
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__all__ = ('Item',)
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class Item:
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"""Data for item tag for rss.
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:param title: Title of this particular item
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:param description: Content for the item. Can contain html but
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link and image urls must be absolute path including hostname
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:param url: Url to the item. This could be a blog entry
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:param guid: A unique string feed readers use to know if an item
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is new or has already been seen. If you use a guid never change
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it. If you don't provide a guid then your item urls must be unique
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:param author: If included it is the name of the item's creator.
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If not provided the item author will be the same as the feed
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author. This is typical except on multi-author blogs
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:param categories: If provided, each array item will be added as a
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category element
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:param enclosure: An enclosure object
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:param pub_date: The date and time of when the item was created.
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Feed readers use this to determine the sort order. Some readers
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will also use it to determine if the content should be presented
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as unread
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"""
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def __init__(self, title: str, **kwargs):
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self.title: str = title
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self.description: str = kwargs.pop('description', '')
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self.url: Optional[str] = kwargs.pop('url', None)
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self.guid: Optional[str] = kwargs.pop('guid', None)
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self.author: Optional[str] = kwargs.pop('author', None)
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self.categories: List[str] = kwargs.pop('categories', [])
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self.enclosure: Optional[Enclosure] = kwargs.pop('enclosure', None)
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self.pub_date: Optional[datetime] = kwargs.pop('pub_date', None)
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if isinstance(self.enclosure, dict):
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self.enclosure = Enclosure.from_dict(self.enclosure)
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def to_element(self) -> ElementT:
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"""Returns item element for xml."""
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item = create_element('item', children=[
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create_element('title', CDATA(self.title)),
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create_element('description', CDATA(self.description)),
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])
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if self.url:
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item.append(create_element('link', self.url))
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item.append(create_element(
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'guid',
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attrib={
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'isPermaLink': str(bool(not self.guid and self.url)).lower()
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},
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text=(self.guid or self.url or CDATA(self.title))
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))
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if self.author:
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item.append(create_element(
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'{http://purl.org/dc/elements/1.1/}creator',
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CDATA(self.author)
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))
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for category in self.categories:
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item.append(create_element('category', CDATA(category)))
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if self.enclosure:
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item.append(self.enclosure.to_element())
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if self.pub_date:
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item.append(create_element('pubDate', self.pub_date))
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return item
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@ -0,0 +1,30 @@
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from datetime import datetime
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from typing import TypeVar, Any, List
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import pytz
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from lxml.etree import Element
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__all__ = ('ElementT', 'create_element',)
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ElementT = TypeVar('ElementT')
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def create_element(name: str, text: Any = None, children: List[ElementT] = None,
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**kwargs) -> ElementT:
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"""Creates xml node with text or children elements.
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:param name: Tag name of node with namespace
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:param text: Text of node
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:param children: Appends elements as child nodes
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"""
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el = Element(name, **kwargs)
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if text:
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if isinstance(text, datetime):
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text = text.replace(tzinfo=pytz.timezone('GMT')). \
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strftime("%a, %d %b %Y %H:%M:%S %Z")
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el.text = text
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elif isinstance(children, (list, tuple)):
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for child in children:
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el.append(child)
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return el
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@ -92,15 +92,16 @@ def test_item_enclosure(feed):
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create_item(feed, enclosure=enclosure)
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xml = feed.xml()
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assert xml
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assert '<enclosure length="{}" type="{}" url="{}"/>' \
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'</item>'.format(0, 'image/jpeg', enclosure.url) in xml
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assert '<enclosure url="{url}" length="{length}" type="{type}"/>' \
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'</item>'.format(length=0, type='image/jpeg',
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url=enclosure.url) in xml
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def test_item_enclosure_from_dict(feed, enclosure_dict):
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create_item(feed, enclosure=enclosure_dict)
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xml = feed.xml()
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assert xml
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assert '<enclosure length="{}" type="{}" url="{}"/>' \
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'</item>'.format(enclosure_dict.get('size', 0),
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enclosure_dict.get('type', 'image/jpeg'),
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enclosure_dict.get('url')) in xml
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assert '<enclosure url="{url}" length="{length}" type="{type}"/>' \
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'</item>'.format(length=enclosure_dict.get('size', 0),
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type=enclosure_dict.get('type', 'image/jpeg'),
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url=enclosure_dict.get('url')) in xml
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