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examples/ytfeed.aggregate: better documentation

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dtb
2025-09-14 14:59:35 -06:00
parent 8d4d3be103
commit 2e3b8c3289
1 changed files with 5 additions and 5 deletions
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10
examples/ytfeed.aggregate
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@@ -4,13 +4,14 @@ import re, sys, xml.etree.ElementTree as ET
ET.register_namespace("", "http://www.w3.org/2005/Atom") ET.register_namespace("", "http://www.w3.org/2005/Atom")
ET.register_namespace("media", "http://search.yahoo.com/mrss/") ET.register_namespace("media", "http://search.yahoo.com/mrss/")
ET.register_namespace("yt", "http://www.youtube.com/xml/schemas/2015") ET.register_namespace("yt", "http://www.youtube.com/xml/schemas/2015")
def sortby(entry):
return entry.findall("{http://www.w3.org/2005/Atom}published")[0].text
macrofeed = ET.Element('feed') macrofeed = ET.Element('feed')
macrofeed.extend( macrofeed.extend(
sorted([ sorted([
entry entry
# Split the input by file. # Split the input by file. This relies on a typical <XML /> tag
# starting a file. Theoretically this assumption could be wrong,
# but in that case the XML parser would break before
# ytfeed.aggregate could spit malformed output.
for feed in re.split(r'<\?xml.*?\?>', sys.stdin.read())[1:] for feed in re.split(r'<\?xml.*?\?>', sys.stdin.read())[1:]
# Get the entries out of each file. # Get the entries out of each file.
for entry for entry
@@ -18,9 +19,8 @@ macrofeed.extend(
.findall("{http://www.w3.org/2005/Atom}entry") .findall("{http://www.w3.org/2005/Atom}entry")
], ],
# Gets the publication date and sorts the entries from old to new. # Gets the publication date and sorts the entries from old to new.
key = lambda entry key = lambda entry # (this is a text sort but it still works)
: entry.findall("{http://www.w3.org/2005/Atom}published")[0].text, : entry.findall("{http://www.w3.org/2005/Atom}published")[0].text,
reverse = False # toggle this to switch the order
) )
) )
print(ET.tostring(macrofeed, encoding="unicode")) print(ET.tostring(macrofeed, encoding="unicode"))