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#!/usr/bin/env python3 | ||
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# this script exports the urls file to OPML, including tags. for that, all feeds must have only one tag | ||
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#usage: ./exportOPMLWithTags.py urls > urls.opml | ||
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#requeriments (just to get the title from a rss feed if it isn't cached in newsboat): | ||
# pip install feedparser | ||
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#input-output example: | ||
# | ||
# $ cat urls | ||
# https://xkcd.com/rss.xml "must" | ||
# http://www.commitstrip.com/en/feed/? "must" | ||
# https://jartigag.xyz/feed.xml "personal" | ||
# | ||
# $ cat urls.opml | ||
# <?xml version="1.0" ?> | ||
# <opml version="2.0"> | ||
# <head/> | ||
# <body> | ||
# <outline title="must" type="rss"> | ||
# <outline title="xkcd.com" type="rss" xmlUrl="https://xkcd.com/rss.xml"/> | ||
# <outline title="CommitStrip" type="rss" xmlUrl="http://www.commitstrip.com/en/feed/?"/> | ||
# </outline> | ||
# <outline title="personal" type="rss"> | ||
# <outline title="jartigag" type="rss" xmlUrl="https://jartigag.xyz/feed.xml"/> | ||
# </outline> | ||
# </body> | ||
# </opml> | ||
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from xml.etree import ElementTree as ET | ||
from xml.dom import minidom | ||
import sys, os | ||
import csv | ||
import sqlite3 | ||
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try: | ||
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if len(sys.argv)<2: raise Exception("input file needed") | ||
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inputfilename = sys.argv[1] | ||
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if not os.path.isfile(inputfilename): raise Exception(f"{inputfilename} not found") | ||
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with open(inputfilename) as f: | ||
reader = csv.reader(f,delimiter=" ") | ||
lines = list(reader) | ||
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root = ET.Element('opml', version='2.0') | ||
head = ET.SubElement(root, 'head') | ||
body = ET.SubElement(root, 'body') | ||
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try: | ||
# get titles from ~/.newsboat/cache.db: | ||
with sqlite3.connect(f"{os.environ['HOME']}/.newsboat/cache.db") as conn: | ||
conn.row_factory = sqlite3.Row | ||
c = conn.cursor() | ||
c.execute("select rssurl,title from rss_feed") | ||
db_rows = c.fetchall() | ||
except sqlite.OperationalError: | ||
pass | ||
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for line in lines: | ||
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if len(line)<2: | ||
# lines must be `url "tag"`, so ignore this line | ||
print(f"ignoring this line:\n{' '.join(line)}", file=sys.stderr) | ||
continue | ||
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if not body: | ||
# that is, body has no children | ||
tag = ET.SubElement(body, 'outline', type='rss', title=line[1]) | ||
elif line[1] not in [ o.attrib['title'] for o in body.findall('outline') ]: | ||
# that is, this tag doesn't exist yet | ||
tag = ET.SubElement(body, 'outline', type='rss', title=line[1]) | ||
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for tag in body.findall('outline'): | ||
if tag.attrib['title']==line[1]: | ||
# that is, this is the tag we are looking for | ||
feed = ET.SubElement(tag, 'outline', type='rss', xmlUrl=line[0]) | ||
for row in db_rows: | ||
# look for the title among the cached ones | ||
if row['rssurl']==line[0]: | ||
feed.set('title', row['title']) | ||
if 'title' not in feed.attrib: | ||
# that is, this feed's title isn't in ~/.newsboat/cache.db | ||
try: | ||
import feedparser | ||
print(f"getting title from {line[0]}", file=sys.stderr) | ||
feed.set('title', feedparser.parse(line[0])['feed']['title']) | ||
except (ModuleNotFoundError, KeyError): | ||
# can't get title neither from cache.db nor the xml of the feed, | ||
# so left title blank | ||
feed.set('title', "") | ||
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print( | ||
minidom.parseString( ET.tostring(root) ) | ||
.toprettyxml(indent=" ") | ||
) | ||
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except Exception as e: | ||
print(e) |