Update slixfeed.py
This commit is contained in:
Schimon Jehudah
parent
b85bc9243f
commit
604aa73db1
176
slixfeed.py
176
slixfeed.py
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@ -31,6 +31,8 @@ import time
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# offline = False
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lock = asyncio.Lock()
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class Slixfeed(slixmpp.ClientXMPP):
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"""
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Slixmpp bot that will send updates of feeds it
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@ -149,7 +151,8 @@ class Slixfeed(slixmpp.ClientXMPP):
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async def send_updates(self, event):
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#while not offline:
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while True:
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#while True:
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async with lock:
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print(time.strftime("%H:%M:%S"))
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# print(offline)
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db_dir = get_default_dbdir()
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@ -194,8 +197,9 @@ class Slixfeed(slixmpp.ClientXMPP):
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# asyncio.ensure_future(send_updates(self))
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async def check_updates():
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while True:
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async def check_updates(lock):
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#while True:
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async with lock:
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db_dir = get_default_dbdir()
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if not os.path.isdir(db_dir):
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msg = ("Slixfeed can not work without a database. \n"
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@ -216,7 +220,7 @@ async def check_updates():
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)
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await asyncio.sleep(60 * 30)
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asyncio.ensure_future(check_updates())
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asyncio.ensure_future(check_updates(lock))
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# async def tasks():
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# # Begin scanning feeds
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@ -226,7 +230,7 @@ asyncio.ensure_future(check_updates())
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async def tasks(jid, password):
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# Begin scanning feeds
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await asyncio.gather(
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check_updates(),
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check_updates(lock),
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Slixfeed(jid, password).send_updates()
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)
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@ -335,8 +339,11 @@ async def initdb(jid, message, callback):
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create_table(conn, entries_table_sql)
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else:
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print("Error! cannot create the database connection.")
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if message:
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return await callback(conn, message)
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if lock:
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if message:
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return await callback(conn, message, lock)
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else:
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return await callback(conn, lock)
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else:
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return await callback(conn)
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@ -371,72 +378,70 @@ def create_table(conn, create_table_sql):
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# def setup_info(jid):
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# def start_process(jid):
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async def download_updates(conn):
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with conn:
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# cur = conn.cursor()
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# get current date
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#today = date.today()
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urls = await get_subscriptions(conn)
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for url in urls:
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#"".join(url)
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source = url[0]
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res = await download_feed(conn, source)
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cur = conn.cursor()
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sql = "UPDATE feeds SET status = :status WHERE address = :url"
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cur.execute(sql, {"status": res[1], "url": source})
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conn.commit()
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sql = "UPDATE feeds SET scanned = :scanned WHERE address = :url"
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cur.execute(sql, {"scanned": date.today(), "url": source})
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conn.commit()
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if res[0]:
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try:
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feed = feedparser.parse(res[0])
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if feed.bozo:
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bozo = ("WARNING: Bozo detected for feed <{}>. "
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"For more information, visit "
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"https://pythonhosted.org/feedparser/bozo.html"
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.format(source))
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print(bozo)
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cur = conn.cursor()
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sql = "UPDATE feeds SET valid = 0 WHERE address = ?"
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async def download_updates(conn, lock):
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async with lock:
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with conn:
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# cur = conn.cursor()
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# get current date
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#today = date.today()
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urls = await get_subscriptions(conn)
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for url in urls:
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#"".join(url)
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source = url[0]
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res = await download_feed(conn, source)
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cur = conn.cursor()
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sql = "UPDATE feeds SET status = :status, scanned = :scanned WHERE address = :url"
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cur.execute(sql, {"status": res[1], "scanned": date.today(), "url": source})
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conn.commit()
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if res[0]:
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try:
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feed = feedparser.parse(res[0])
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if feed.bozo:
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bozo = ("WARNING: Bozo detected for feed <{}>. "
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"For more information, visit "
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"https://pythonhosted.org/feedparser/bozo.html"
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.format(source))
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print(bozo)
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valid = 0
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else:
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valid = 1
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sql = "UPDATE feeds SET valid = :validity WHERE address = :url"
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cur.execute(sql, {"validity": valid, "url": source})
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conn.commit()
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except (IncompleteReadError, IncompleteRead, error.URLError) as e:
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print(e)
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return
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# TODO Place these couple of lines back down
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# NOTE Need to correct the SQL statement to do so
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entries = feed.entries
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length = len(entries)
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await remove_entry(conn, source, length)
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for entry in entries:
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if entry.has_key("title"):
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title = entry.title
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else:
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sql = "UPDATE feeds SET valid = 1 WHERE address = ?"
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cur.execute(sql, (source,))
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conn.commit()
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except (IncompleteReadError, IncompleteRead, error.URLError) as e:
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print(e)
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return
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# TODO Place these couple of lines back down
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# NOTE Need to correct the SQL statement to do so
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entries = feed.entries
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length = len(entries)
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await remove_entry(conn, source, length)
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for entry in entries:
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if entry.has_key("title"):
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title = entry.title
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else:
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title = feed["feed"]["title"]
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link = source if not entry.link else entry.link
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exist = await check_entry(conn, title, link)
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if not exist:
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if entry.has_key("summary"):
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summary = entry.summary
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# Remove HTML tags
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summary = BeautifulSoup(summary, "lxml").text
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# TODO Limit text length
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summary = summary.replace("\n\n", "\n")[:300] + " ⃨"
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else:
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summary = '*** No summary ***'
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#print('~~~~~~summary not in entry')
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entry = (title, summary, link, source, 0);
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await add_entry(conn, entry)
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await set_date(conn, source)
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#make_message
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# message = title + '\n\n' + summary + '\n\nLink: ' + link
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# print(message)
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# news.append(message)
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# print(len(news))
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# return news
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title = feed["feed"]["title"]
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link = source if not entry.link else entry.link
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exist = await check_entry(conn, title, link)
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if not exist:
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if entry.has_key("summary"):
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summary = entry.summary
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# Remove HTML tags
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summary = BeautifulSoup(summary, "lxml").text
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# TODO Limit text length
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summary = summary.replace("\n\n", "\n")[:300] + " ⃨"
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else:
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summary = '*** No summary ***'
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#print('~~~~~~summary not in entry')
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entry = (title, summary, link, source, 0);
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await add_entry(conn, entry)
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await set_date(conn, source)
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#make_message
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# message = title + '\n\n' + summary + '\n\nLink: ' + link
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# print(message)
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# news.append(message)
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# print(len(news))
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# return news
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async def download_feed(conn, url):
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async with aiohttp.ClientSession() as session:
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@ -465,13 +470,15 @@ async def check_feed(conn, url):
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cur.execute(sql, (url,))
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return cur.fetchone()
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async def add_feed(conn, url):
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async def add_feed(conn, url, lock):
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"""
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Add a new feed into the feeds table
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:param conn:
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:param feed:
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:return: string
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"""
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#TODO consider async with lock
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await lock.acquire()
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#conn = create_connection(db_file)
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cur = conn.cursor()
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print(time.strftime("%H:%M:%S"), "conn.cursor() from add_feed(conn, url)")
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@ -486,6 +493,7 @@ async def add_feed(conn, url):
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VALUES(?,?,?,?) """
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cur.execute(sql, feed)
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conn.commit()
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lock.release()
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bozo = ("WARNING: Bozo detected. Failed to load URL.")
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print(bozo)
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return "Failed to parse URL as feed"
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@ -496,12 +504,14 @@ async def add_feed(conn, url):
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VALUES(?,?,?,?,?) """
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cur.execute(sql, feed)
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conn.commit()
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lock.release()
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else:
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feed = (url, 1, res[1], 0)
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sql = """INSERT INTO feeds(address,enabled,status,valid)
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VALUES(?,?,?,?) """
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cur.execute(sql, feed)
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conn.commit()
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lock.release()
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return "Failed to get URL. HTTP Error {}".format(res[1])
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print(time.strftime("%H:%M:%S"), "conn.commit() from add_feed(conn, url)")
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# source = title if not '' else url
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@ -512,7 +522,7 @@ async def add_feed(conn, url):
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msg = "News source is already listed in the subscription list"
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return msg
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async def remove_feed(conn, id):
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async def remove_feed(conn, id, lock):
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"""
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Delete a feed by feed id
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:param conn:
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@ -521,6 +531,7 @@ async def remove_feed(conn, id):
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"""
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# You have chose to remove feed (title, url) from your feed list.
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# Enter "delete" to confirm removal.
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await lock.acquire()
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#conn = create_connection(db_file)
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cur = conn.cursor()
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print(time.strftime("%H:%M:%S"), "conn.cursor() from remove_feed(conn, id)")
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@ -534,6 +545,7 @@ async def remove_feed(conn, id):
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sql = "DELETE FROM feeds WHERE id = ?"
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cur.execute(sql, (id,))
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conn.commit()
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lock.release()
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print(time.strftime("%H:%M:%S"), "conn.commit() from remove_feed(conn, id)")
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return """News source <{}> has been removed from subscriptions list
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""".format(url)
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@ -604,13 +616,14 @@ async def feed_refresh(conn, id):
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conn.commit()
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# TODO mark_all_read for entries of feed
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async def toggle_status(conn, id):
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async def toggle_status(conn, id, lock):
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"""
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Set status of feed
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:param conn:
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:param id: id of the feed
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:return: string
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"""
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await lock.acquire()
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#conn = create_connection(db_file)
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cur = conn.cursor()
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print(time.strftime("%H:%M:%S"), "conn.cursor() from toggle_status(conn, id)")
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@ -633,6 +646,7 @@ async def toggle_status(conn, id):
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sql = "UPDATE feeds SET enabled = :status WHERE id = :id"
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cur.execute(sql, {"status": status, "id": id})
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conn.commit()
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lock.release()
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print(time.strftime("%H:%M:%S"), "conn.commit() from toggle_status(conn, id)")
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return notice
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@ -693,17 +707,19 @@ async def get_subscriptions(conn):
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result = cur.execute(sql)
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return result
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async def list_subscriptions(conn):
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async def list_subscriptions(conn, lock):
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"""
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Query feeds
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:param conn:
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:return: rows (string)
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"""
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await lock.acquire()
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cur = conn.cursor()
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print(time.strftime("%H:%M:%S"), "conn.cursor() from list_subscriptions(conn)")
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#sql = "SELECT id, address FROM feeds"
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sql = "SELECT name, address, updated, id, enabled FROM feeds"
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results = cur.execute(sql)
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lock.release()
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feeds_list = "List of subscriptions: \n"
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counter = 0
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for result in results:
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@ -722,7 +738,7 @@ async def list_subscriptions(conn):
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"feed add https://reclaimthenet.org/feed/")
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return msg
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async def last_entries(conn, num):
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async def last_entries(conn, num, lock):
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"""
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Query feeds
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:param conn:
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@ -734,9 +750,11 @@ async def last_entries(conn, num):
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num = 50
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elif num < 1:
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num = 1
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await lock.acquire()
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cur = conn.cursor()
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sql = "SELECT title, link FROM entries ORDER BY ROWID DESC LIMIT {}".format(num)
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results = cur.execute(sql)
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lock.release()
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titles_list = "Recent {} titles: \n".format(num)
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for result in results:
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# titles_list += """\nTitle: {} \nLink: {}
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@ -744,7 +762,7 @@ async def last_entries(conn, num):
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""".format(str(result[0]), str(result[1]))
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return titles_list
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async def search_entries(conn, query):
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async def search_entries(conn, query, lock):
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"""
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Query feeds
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:param conn:
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@ -753,10 +771,12 @@ async def search_entries(conn, query):
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"""
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if len(query) < 2:
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return "Please enter at least 2 characters to search"
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await lock.acquire()
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cur = conn.cursor()
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sql = "SELECT title, link FROM entries WHERE title LIKE '%{}%' LIMIT 50".format(query)
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# sql = "SELECT title, link FROM entries WHERE title OR link LIKE '%{}%'".format(query)
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results = cur.execute(sql)
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lock.release()
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results_list = "Search results for '{}': \n".format(query)
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counter = 0
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for result in results:
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