def purge_reload(feed_uid):
reload(transform)
feed_uid = int(feed_uid)
if feed_uid in feed_guid_cache:
del feed_guid_cache[feed_uid]
from singleton import db
c = db.cursor()
try:
# refresh filtering rules
filters.load_rules(db, c)
c.execute("delete from fm_items where item_feed_uid=? and item_rating=0",
[feed_uid])
c.execute("""delete from fm_tags
where exists (
select item_uid from fm_items
where item_uid=tag_item_uid and item_feed_uid=? and item_rating=0
)""", [feed_uid])
c.execute("""update fm_feeds set feed_modified=NULL, feed_etag=NULL
where feed_uid=?""", [feed_uid])
c.execute("select feed_xml from fm_feeds where feed_uid=?", [feed_uid])
feed_xml = c.fetchone()[0]
db.commit()
f = feedparser.parse(feed_xml)
if not f.feed:
raise ParseError
normalize.normalize_feed(f)
clear_errors(db, c, feed_uid, f)
filters.load_rules(db, c)
num_added = process_parsed_feed(db, c, f, feed_uid)
db.commit()
finally:
c.close()
def update_feed_xml(feed_uid, feed_xml):
"""Update a feed URL and fetch the feed. Returns the number of new items"""
feed_uid = int(feed_uid)
f = feedparser.parse(feed_xml)
if not f.feed:
raise ParseError
normalize.normalize_feed(f)
from singleton import db
c = db.cursor()
clear_errors(db, c, feed_uid, f)
try:
try:
c.execute("update fm_feeds set feed_xml=?, feed_html=? where feed_uid=?",
[feed_xml, str(f.feed['link']), feed_uid])
except sqlite.IntegrityError, e:
if 'feed_xml' in str(e):
db.rollback()
raise FeedAlreadyExists
else:
db.rollback()
raise UnknownError(str(e))
filters.load_rules(db, c)
num_added = process_parsed_feed(db, c, f, feed_uid)
db.commit()
return num_added
def run(self):
from singleton import db
c = db.cursor()
while True:
item_uid, rating = self.in_q.get()
try:
c.execute("""update fm_items
set item_rating=?, item_rated=julianday('now')
where item_uid=?""", [rating, item_uid])
fb_token = param.settings.get('fb_token', None)
if rating == 1 and fb_token:
c.execute("""select feed_uid, item_link, item_title, feed_private
from fm_items, fm_feeds
where item_uid=? and feed_uid=item_feed_uid""",
[item_uid])
feed_uid, url, title, private = c.fetchone()
db.commit()
if rating == 1 and fb_token and not private:
callout = random.choice(
['Interesting: ', 'Notable: ', 'Recommended: ', 'Thumbs-up: ',
'Noteworthy: ', 'FYI: ', 'Worth reading: '])
try:
social.fb_post(fb_token, callout + title, url)
except social.ExpiredToken:
notification(db, c, feed_uid, 'Service notification',
'The Facebook access token has expired',
link='/settings#facebook')
except:
util.print_stack()
# this will never be reached
c.close()
def update_item(item_uid, link, title, content):
item_uid = int(item_uid)
from singleton import db
c = db.cursor()
try:
c.execute("""update fm_items set item_link=?, item_title=?, item_content=?
where item_uid=?""", [link, title, content, item_uid])
db.commit()
finally:
c.close()
def catch_up(feed_uid):
feed_uid = int(feed_uid)
from singleton import db
c = db.cursor()
try:
c.execute("""update fm_items set item_rating=-1
where item_feed_uid=? and item_rating=0""", [feed_uid])
db.commit()
finally:
c.close()
def set_status(feed_uid, status):
feed_uid = int(feed_uid)
status = int(status)
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_status=? where feed_uid=?",
[status, feed_uid])
db.commit()
finally:
c.close()
def update_feed_private(feed_uid, private):
feed_uid = int(feed_uid)
private = int(bool(private))
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_private=? where feed_uid=?",
[private, feed_uid])
db.commit()
finally:
c.close()
def hard_purge(feed_uid):
feed_uid = int(feed_uid)
from singleton import db
c = db.cursor()
try:
c.execute("delete from fm_items where item_feed_uid=?", [feed_uid])
c.execute("delete from fm_rules where rule_feed_uid=?", [feed_uid])
c.execute("delete from fm_feeds where feed_uid=?", [feed_uid])
db.commit()
finally:
c.close()
filters.invalidate()
def update_feed_html(feed_uid, feed_html):
"""Update a feed HTML link"""
feed_uid = int(feed_uid)
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_html=? where feed_uid=?",
[feed_html, feed_uid])
db.commit()
finally:
c.close()
def update_feed_dupcheck(feed_uid, dupcheck):
feed_uid = int(feed_uid)
dupcheck = int(bool(dupcheck))
# XXX run a dupcheck pass retroactively here if dupcheck == 1
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_dupcheck=? where feed_uid=?",
[dupcheck, feed_uid])
db.commit()
finally:
c.close()
def update_feed_desc(feed_uid, feed_desc):
"""Update a feed desc"""
feed_uid = int(feed_uid)
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_desc=? where feed_uid=?",
[feed_desc, feed_uid])
db.commit()
finally:
c.close()
def update_feed_exempt(feed_uid, exempt):
feed_uid = int(feed_uid)
exempt = int(bool(exempt))
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_exempt=? where feed_uid=?",
[exempt, feed_uid])
if exempt:
filters.exempt_feed_retroactive(db, c, feed_uid)
db.commit()
finally:
c.close()
def notification(db, c, feed_uid, title, content, link=None):
"""Insert a service notification, e.g. to notify before a feed is disabled
due to too many errors"""
hash = hashlib.md5(content).hexdigest()
guid = 'temboz://%s/%s' % (feed_uid, hash)
# do nothing if the link is clicked
if link is None:
link = '/feed_info?feed_uid=%d' % feed_uid
c.execute("""insert into fm_items (item_feed_uid, item_guid,
item_created, item_modified, item_link, item_md5hex,
item_title, item_content, item_creator, item_rating, item_rule_uid)
values
(?, ?, julianday('now'), julianday('now'), ?, ?,
?, ?, ?, 0, NULL)""",
[feed_uid, guid, link, hash,
title, content, 'Temboz notifications'])
db.commit()
def update_rule(db, c, uid, expires, text, delete):
if expires == 'never':
expires = 'NULL'
else:
expires = "julianday('%s')" % expires
# check syntax
compile(normalize_rule(text), 'web form', 'eval')
if uid == 'new':
c.execute("insert into fm_rules (rule_expires, rule_text) values (?, ?)",
[expires, text])
elif delete == 'on':
c.execute("delete from fm_rules where rule_uid=?", [uid])
else:
c.execute("""update fm_rules set rule_expires=?, rule_text=?
where rule_uid=?""", [expires, text, uid])
db.commit()
invalidate()
def update(where_clause=''):
from singleton import db
c = db.cursor()
# refresh filtering rules
filters.load_rules(db, c)
# at 3AM by default, perform house-cleaning
if time.localtime()[3] == param.backup_hour:
cleanup(db, c)
# create worker threads and the queues used to communicate with them
work_q = Queue.Queue()
process_q = Queue.Queue()
workers = []
for i in range(param.feed_concurrency):
workers.append(FeedWorker(i + 1, work_q, process_q))
workers[-1].start()
# assign work
c.execute("""select feed_uid, feed_xml, feed_etag, feed_dupcheck,
strftime('%s', feed_modified) from fm_feeds where feed_status=0 """
+ where_clause)
for feed_uid, feed_xml, feed_etag, feed_dupcheck, feed_modified in c:
if feed_modified:
feed_modified = float(feed_modified)
feed_modified = time.localtime(feed_modified)
else:
feed_modified = None
work_q.put((feed_uid, feed_xml, feed_etag, feed_modified, feed_dupcheck))
# None is an indication for workers to stop
for i in range(param.feed_concurrency):
work_q.put(None)
workers_left = param.feed_concurrency
while workers_left > 0:
feed_info = process_q.get()
# exited worker
if not feed_info:
workers_left -= 1
else:
try:
update_feed(db, c, *feed_info)
except:
util.print_stack()
db.commit()
# give reader threads an opportunity to get their work done
time.sleep(1)
c.close()
def update_feed_filter(feed_uid, feed_filter):
"""Update a feed desc"""
feed_uid = int(feed_uid)
feed_filter = feed_filter.strip()
if feed_filter:
# check syntax
compile(filters.normalize_rule(feed_filter), 'web form', 'eval')
val = feed_filter
else:
val = None
from singleton import db
c = db.cursor()
try:
c.execute("update fm_feeds set feed_filter=? where feed_uid=?",
[val, feed_uid])
db.commit()
filters.invalidate()
finally:
c.close()
def cleanup(db=None, c=None):
"""garbage collection - see param.py
this is done only once a day between 3 and 4 AM as this is quite intensive
and could interfere with user activity
It can also be invoked by running temboz --clean
"""
if not db:
from singleton import db
c = db.cursor()
from singleton import sqlite_cli
if getattr(param, 'garbage_contents', False):
c.execute("""update fm_items set item_content=''
where item_rating < 0 and item_created < julianday('now')-?""",
[param.garbage_contents])
db.commit()
if getattr(param, 'garbage_items', False):
c.execute("""delete from fm_items where item_uid in (
select item_uid from fm_items, fm_feeds
where item_created < min(julianday('now')-?, feed_oldest-7)
and item_rating<0 and feed_uid=item_feed_uid)""", [param.garbage_items])
db.commit()
singleton.snr_mv(db, c)
c.execute("""delete from fm_tags
where not exists(
select item_uid from fm_items where item_uid=tag_item_uid
)""")
db.commit()
c.execute('vacuum')
# we still hold the PseudoCursor lock, this is a good opportunity to backup
try:
os.mkdir('backups')
except OSError:
pass
prune_feed_guid_cache()
os.system((sqlite_cli + ' rss.db .dump | %s > backups/daily_' \
+ time.strftime('%Y-%m-%d') + '%s') % param.backup_compressor)
# rotate the log
os.rename(param.log_filename, 'backups/log_' + time.strftime('%Y-%m-%d'))
param.log.close()
param.log = open(param.log_filename, 'a', 0)
os.dup2(param.log.fileno(), 1)
os.dup2(param.log.fileno(), 2)
# delete old backups
backup_re = re.compile(
'daily_[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\\.')
log_re = re.compile(
'log_[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]')
for fn in os.listdir('backups'):
if backup_re.match(fn) or log_re.match(fn):
elapsed = time.time() - os.stat('backups/' + fn).st_ctime
if elapsed > 86400 * param.daily_backups:
try:
os.remove('backups/' + fn)
except OSError:
pass
def add_feed(feed_xml):
"""Try to add a feed. Returns a tuple (feed_uid, num_added, num_filtered)"""
from singleton import db
c = db.cursor()
feed_xml = feed_xml.replace('feed://', 'http://')
try:
# verify the feed
f = feedparser.parse(feed_xml)
# CVS versions of feedparser are not throwing exceptions as they should
# see:
# http://sourceforge.net/tracker/index.php?func=detail&aid=1379172&group_id=112328&atid=661937
if not f.feed or ('link' not in f.feed or 'title' not in f.feed):
# some feeds have multiple links, one for self and one for PuSH
if f.feed and 'link' not in f.feed and 'links' in f.feed:
try:
for l in f.feed['links']:
if l['rel'] == 'self':
f.feed['link'] = l['href']
except KeyError:
pass
if not f.feed or ('link' not in f.feed or 'title' not in f.feed):
# try autodiscovery
try:
feed_xml = AutoDiscoveryHandler().feed_url(feed_xml)
except HTMLParser.HTMLParseError:
# in desperate conditions, regexps ride to the rescue
try:
feed_xml = re_autodiscovery(feed_xml)[0][1]
except:
util.print_stack()
raise AutodiscoveryParseError
if not feed_xml:
raise ParseError
f = feedparser.parse(feed_xml)
if not f.feed:
raise ParseError
# we have a valid feed, normalize it
normalize.normalize_feed(f)
feed = {
'xmlUrl': f['url'],
'htmlUrl': str(f.feed['link']),
'etag': f.get('etag'),
'title': f.feed['title'].encode('ascii', 'xmlcharrefreplace'),
'desc': f.feed['description'].encode('ascii', 'xmlcharrefreplace')
}
for key, value in feed.items():
if type(value) == str:
feed[key] = value
filters.load_rules(db, c)
try:
c.execute("""insert into fm_feeds
(feed_xml, feed_etag, feed_html, feed_title, feed_desc) values
(:xmlUrl, :etag, :htmlUrl, :title, :desc)""", feed)
feed_uid = c.lastrowid
num_added, num_filtered = process_parsed_feed(db, c, f, feed_uid)
db.commit()
return feed_uid, feed['title'], num_added, num_filtered
except sqlite.IntegrityError, e:
if 'feed_xml' in str(e):
db.rollback()
raise FeedAlreadyExists
else:
db.rollback()
raise UnknownError(str(e))
finally:
c.close()
sys.path.append(os.getcwd())
sys.path.append('..')
from singleton import db
c = db.cursor()
def escape(str):
return str.replace("'", "''")
c.execute("""select item_uid, item_link, item_feed_uid, item_guid
from fm_items
where item_link != item_guid""")
l = c.fetchall()
for uid, link, feed, guid in l:
c.execute("""select item_uid from fm_items
where item_link='%s' and item_feed_uid=%s""" % (link, feed))
ll = c.fetchall()
ll = [x[0] for x in ll]
assert uid in ll
if len(ll) > 2:
print('could not resolve link', link, end=' ')
print('more than 2 instances:', ', '.join(map(str, ll)))
continue
if len(ll) < 2: continue
ll.remove(uid)
old_uid = ll[0]
c.execute("""delete from fm_items where item_uid=%s""" % uid)
c.execute("""update fm_items set item_guid='%s' where item_uid=%s"""
% (escape(guid), old_uid))
db.commit()
from singleton import db
c = db.cursor()
ok = 0
dup = 0
for feed in tree:
feed['feed_etag'] = ''
try:
c.execute("""insert into fm_feeds
(feed_xml, feed_etag, feed_html, feed_title, feed_desc) values
(:xmlUrl, :feed_etag, :htmlUrl, :title, :desc)""", feed)
ok += 1
except sqlite.IntegrityError, e:
if 'feed_xml' not in str(e):
raise
dup += 1
db.commit()
print ok, 'feeds imported,', dup, 'rejected as duplicates'
if __name__ == '__main__':
for feed in [
# FeedOnFeeds
'fof.opml',
# these tests are from http://dev.opml.org/spec2.html
'test/subscriptionList.opml',
'test/simpleScript.opml',
'test/placesLived.opml',
'test/directory.opml',
'test/category.opml',
]:
print feed
print parse_opml(feed)
def process_request(self):
try:
if self.path in ['', '/']:
self.browser_output(301, None, 'This document has moved.',
['Location: /view'])
return
path, query_string = urlparse.urlparse(self.path)[2:5:2]
vars = []
if query_string:
# parse_qsl does not comply with RFC 3986, we have to decode UTF-8
query_list = [(n, v.decode('UTF-8'))
for n, v in urlparse.parse_qsl(query_string, 1)]
self.input.update(dict(query_list))
if param.debug:
logging.info((self.command, self.path, self.request_version, vars))
if path.endswith('.gif') and path[1:] in self.images:
self.browser_output(200, 'image/gif', self.images[path[1:]],
http_headers=no_expire)
return
if path.endswith('.js') and path[1:] in self.rsrc:
self.browser_output(200, 'text/javascript', self.rsrc[path[1:]],
http_headers=no_expire)
return
if path.startswith('/tiny_mce'):
# guard against attempts to subvert security using ../
path = os.path.normpath('.' + path)
assert path.startswith('tiny_mce')
self.set_mime_type(path)
self.browser_output(200, self.mime_type, open(path).read(),
http_headers=no_expire)
return
if path.count('favicon.ico') > 0:
self.favicon()
if path.endswith('.css'):
path = path.replace('.css', '_css')
tmpl = path.split('/', 1)[1].strip('/')
self.use_template(tmpl, [self.input])
if not self.require_auth(param.auth_dict):
return
if path.startswith('/redirect/'):
from singleton import db
c = db.cursor()
item_uid = int(path[10:])
c.execute('select item_link from fm_items where item_uid=%d'
% item_uid)
redirect_url = c.fetchone()[0]
c.close()
self.browser_output(301, None, 'This document has moved.',
['Location: ' + redirect_url])
return
if path.startswith('/threads'):
frames = sys._current_frames()
row = 0
out = []
if singleton.c_opened:
out.append('<h1>Open Cursors</h1>\n')
for curs, tb in singleton.c_opened.iteritems():
if curs not in singleton.c_closed:
row += 1
if row % 2:
color = '#ddd'
else:
color = 'white'
out.append('<div style="background-color: ' + color + '">\n<pre>')
out.append(curs.replace('<', '<').replace('>', '>') + '\n')
out.append('\n'.join(tb[:-2]))
out.append('</pre></div>\n')
out.append('<h1>Threads</h1>\n')
row = 0
for thread_id, frame in sorted(frames.iteritems()):
if thread_id == threading.currentThread()._Thread__ident:
continue
row += 1
if row % 2:
color = '#ddd'
else:
color = 'white'
out.append('<div style="background-color: ' + color + '">\n<pre>')
out.append('Thread %s (%d refs)\n'
% (thread_id, sys.getrefcount(frame)))
out.append(''.join(traceback.format_stack(frame)).replace(
'&', '&').replace('<', '<').replace('>', '>'))
out.append('\n<hr>\n')
out.append(pprint.pformat(frame.f_locals).replace(
'&', '&').replace('<', '<').replace('>', '>'))
out.append('\n</pre>\n</div>\n')
del frames
self.browser_output(200, 'text/html', ''.join(out))
return
if path.startswith('/xmlfeedback/'):
op, item_uid = path.split('/')[2::2]
item_uid = item_uid.split('.')[0]
# for safety, these operations should be idempotent
if op in ['promote', 'demote', 'basic', 'yappi']:
if op != 'yappi':
item_uid = int(item_uid)
getattr(self, 'op_' + op)(item_uid)
self.xml()
return
if path.startswith('/stem'):
txt = self.input['q']
stem = ' '.join(normalize.stem(normalize.get_words(txt)))
self.browser_output(200, 'text/plain', stem)
return
if path.startswith('/add_kw_rule'):
from singleton import db
c = db.cursor()
try:
filters.add_kw_rule(db, c, **self.input)
except:
util.print_stack()
db.commit()
c.close()
self.xml()
return
if path.startswith('/del_kw_rule'):
from singleton import db
c = db.cursor()
try:
filters.del_kw_rule(db, c, **self.input)
except:
util.print_stack()
db.commit()
c.close()
self.xml()
return
if path.startswith('/stats'):
from singleton import db
c = db.cursor()
c.execute("""select date(item_loaded) as date, count(*) as articles,
sum(case when item_rating=1 then 1 else 0 end) as interesting,
sum(case when item_rating=0 then 1 else 0 end) as unread,
sum(case when item_rating=-1 then 1 else 0 end) as filtered
from fm_items
where item_loaded > julianday('now') - 30
group by 1 order by 1""")
csvfile = cStringIO.StringIO()
out = csv.writer(csvfile, dialect='excel', delimiter=',')
out.writerow([col[0].capitalize() for col in c.description])
for row in c:
out.writerow(row)
self.browser_output(200, 'text/csv', csvfile.getvalue())
csvfile.close()
c.close()
return
if path.endswith('.css'):
path = path.replace('.css', '_css')
tmpl = path.split('/', 1)[1].strip('/')
self.use_template(tmpl, [self.input])
except TembozTemplate.Redirect, e:
redirect_url = e.args[0]
self.browser_output(301, None, 'This document has moved.',
['Location: ' + redirect_url])
return
