def subreddit_stats(config, ranges):
def get_id(*args, **kwargs):
kwargs.setdefault('limit', 1)
results = list(kind._query(*args, **kwargs))
if not results:
return None
else:
return results[0]._id
sr_counts = defaultdict(int)
for kind in (Link, Comment):
thing_table, data_table = get_thing_table(kind._type_id)
first_id = get_id(kind.c._date > ranges['yesterday'][0], sort=asc('_date'))
last_id = get_id(kind.c._date < ranges['yesterday'][1], sort=desc('_date'))
if not first_id or not last_id:
continue
q = sa.select([data_table.c.value, sa.func.count(data_table.c.value)],
(data_table.c.thing_id > first_id)
& (data_table.c.thing_id < last_id)
& (data_table.c.key == 'sr_id')
& (thing_table.c.thing_id == data_table.c.thing_id)
& (thing_table.c.spam == False),
group_by=data_table.c.value)
for sr_id, count in q.execute():
sr_counts[sr_id] += count
return {'subreddits_active_yesterday': len(list(count for count in sr_counts.itervalues() if count > 5))}
def subreddit_stats(config, ranges):
def get_id(*args, **kwargs):
kwargs.setdefault('limit', 1)
results = list(kind._query(*args, **kwargs))
if not results:
return None
else:
return results[0]._id
sr_counts = defaultdict(int)
for kind in (Link, Comment):
thing_table, data_table = get_thing_table(kind._type_id)
first_id = get_id(kind.c._date > ranges['yesterday'][0],
sort=asc('_date'))
last_id = get_id(kind.c._date < ranges['yesterday'][1],
sort=desc('_date'))
if not first_id or not last_id:
continue
q = sa.select([data_table.c.value,
sa.func.count(data_table.c.value)],
(data_table.c.thing_id > first_id)
& (data_table.c.thing_id < last_id)
& (data_table.c.key == 'sr_id')
& (thing_table.c.thing_id == data_table.c.thing_id)
& (thing_table.c.spam == False),
group_by=data_table.c.value)
for sr_id, count in q.execute():
sr_counts[sr_id] += count
return {
'subreddits_active_yesterday':
len(list(count for count in sr_counts.itervalues() if count > 5))
}
def operator(self, sort):
if sort == 'new':
return operators.desc('_t1_date')
elif sort == 'old':
return operators.asc('_t1_date')
elif sort == 'top':
return operators.desc('_t1_score')
def operator(self, sort):
if sort == "new":
return operators.desc("_t1_date")
elif sort == "old":
return operators.asc("_t1_date")
elif sort == "top":
return operators.desc("_t1_score")
def fetch_things(t_class,since,until,batch_fn=None,
*query_params, **extra_query_dict):
"""
Simple utility function to fetch all Things of class t_class
(spam or not, but not deleted) that were created from 'since'
to 'until'
"""
from r2.lib.db.operators import asc
if not batch_fn:
batch_fn = lambda x: x
query_params = ([t_class.c._date >= since,
t_class.c._date < until,
t_class.c._spam == (True,False)]
+ list(query_params))
query_dict = {'sort': asc('_date'),
'limit': 100,
'data': True}
query_dict.update(extra_query_dict)
q = t_class._query(*query_params,
**query_dict)
orig_rules = deepcopy(q._rules)
things = list(q)
while things:
things = batch_fn(things)
for t in things:
yield t
q._rules = deepcopy(orig_rules)
q._after(t)
things = list(q)
def operator(self, sort):
if sort == 'new':
return operators.desc('_t1_date')
elif sort == 'old':
return operators.asc('_t1_date')
elif sort == 'top':
return operators.desc('_t1_score')
def add_all_srs():
"""Adds every listing query for every subreddit to the queue."""
q = Subreddit._query(sort = asc('_date'))
for sr in fetch_things2(q):
add_queries(all_queries(get_links, sr, ('hot', 'new', 'old'), ['all']))
add_queries(all_queries(get_links, sr, ('top', 'controversial'), db_times.keys()))
add_queries([get_links(sr, 'toplinks', 'all')])
def reset_last_email_sent_at_for_all_accounts():
start_of_epoc = pytz.utc.localize(datetime.datetime.utcfromtimestamp(0))
accounts = fetch_things2(Account._query(Account.c.email != None, sort=asc('_date')))
for account in accounts:
account.last_email_sent_at = start_of_epoc
account._commit()
def test_send_summary_emails():
accounts = fetch_things2(Account._query(Account.c.email != None, sort=asc('_date')))
for account in accounts:
a_day_ago = datetime.datetime.now(pytz.utc) - datetime.timedelta(hours=24)
account.last_email_sent_at = a_day_ago
account._commit()
send_account_summary_email(account._id, verbose=True)
def test_comment_order_full_asc(self):
sort = operators.asc("_confidence")
builder = CommentBuilder(self.link, sort, num=1500)
builder._get_comments()
self.assertEqual(
builder.comment_order,
[109, 108, 107, 100, 103, 102, 106, 105, 101, 104, 110])
def add_all_srs():
"""Adds every listing query for every subreddit to the queue."""
q = Subreddit._query(sort = asc('_date'))
for sr in fetch_things2(q):
add_queries(all_queries(get_links, sr, ('hot', 'new', 'old'), ['all']))
add_queries(all_queries(get_links, sr, ('top', 'controversial'), db_times.keys()))
add_queries([get_links(sr, 'toplinks', 'all')])
def fetch_things(t_class,since,until,batch_fn=None,
*query_params, **extra_query_dict):
"""
Simple utility function to fetch all Things of class t_class
(spam or not, but not deleted) that were created from 'since'
to 'until'
"""
from r2.lib.db.operators import asc
if not batch_fn:
batch_fn = lambda x: x
query_params = ([t_class.c._date >= since,
t_class.c._date < until,
t_class.c._spam == (True,False)]
+ list(query_params))
query_dict = {'sort': asc('_date'),
'limit': 100,
'data': True}
query_dict.update(extra_query_dict)
q = t_class._query(*query_params,
**query_dict)
orig_rules = deepcopy(q._rules)
things = list(q)
while things:
things = batch_fn(things)
for t in things:
yield t
q._rules = deepcopy(orig_rules)
q._after(t)
things = list(q)
def backfill(after=None):
q = Subreddit._query(sort=asc('_date'))
if after:
sr = Subreddit._by_name(after)
q = q._after(sr)
for sr in fetch_things2(q):
backfill_sr(sr)
def backfill(after=None):
q = Subreddit._query(sort=asc('_date'))
if after:
sr = Subreddit._by_name(after)
q = q._after(sr)
for sr in fetch_things2(q):
backfill_sr(sr)
def send_account_summary_email(account_thing_id, verbose=False, send_email=send_email):
account = Account._byID(account_thing_id, data=True)
if not should_send_activity_summary_email(account):
return
# if we've never sent an email, only tell about the last 24 hours
a_day_ago = datetime.datetime.now(pytz.utc) - datetime.timedelta(hours=24)
if getattr(account, 'last_email_sent_at', None) is None:
account.last_email_sent_at = a_day_ago
c.content_langs = 'en-US'
# Find all the "active" links for this user. Frontpage uses the c.user global
# to find the right subreddits for the current user
c.user = account
c.user_is_loggedin = True
thing_ids = []
for link in Frontpage.get_links('active', 'all'):
thing_ids.append(link)
active_links_hash = Link._by_fullname(thing_ids, data=True)
active_links = [active_links_hash[t_id] for t_id in thing_ids if active_links_hash[t_id]._active > account.last_email_sent_at]
idx = 0
for ll in active_links:
idx += 1
ll.num = idx
# Find all new spaces created since we last sent the user an email
new_spaces = list(fetch_things2(Subreddit._query(
Subreddit.c._date > account.last_email_sent_at,
sort=asc('_date'))))
# don't bother sending email if there's noting to report.
if len(new_spaces) == 0 and len(active_links) == 0:
return
# Get the date and time
now = datetime.datetime.now(pytz.timezone('US/Eastern'))
date_string = now.strftime("%A %B %d, %Y")
time_string = now.strftime("%I:%M %p")
# Render the template
html_email_template = g.mako_lookup.get_template('summary_email.html')
html_body = html_email_template.render(
last_email_sent_at=account.last_email_sent_at,
new_spaces=new_spaces,
active_links=active_links,
date_string=date_string,
time_string=time_string)
# with open('out.html', 'w') as ff:
# ff.write(html_body)
if verbose:
print "sending email to %s" % (account.email,)
send_email(account.email, html_body, date_string)
account.last_email_sent_at = datetime.datetime.now(pytz.utc)
account._commit()
def add_all_ban_report_srs():
"""Adds the initial spam/reported pages to the report queue"""
q = Subreddit._query(sort = asc('_date'))
for sr in fetch_things2(q):
add_queries([get_spam_links(sr),
get_spam_comments(sr),
get_reported_links(sr),
get_reported_comments(sr),
])
def add_all_ban_report_srs():
"""Adds the initial spam/reported pages to the report queue"""
q = Subreddit._query(sort = asc('_date'))
for sr in fetch_things2(q):
add_queries([get_spam_links(sr),
get_spam_comments(sr),
get_reported_links(sr),
get_reported_comments(sr),
])
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
def operator(self, sort):
if sort == "hot":
return operators.desc("_hot")
elif sort == "new":
return operators.desc("_date")
elif sort == "old":
return operators.asc("_date")
elif sort == "top":
return operators.desc("_score")
elif sort == "controversial":
return operators.desc("_controversy")
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
def add_all_srs():
"""Recalculates every listing query for every subreddit. Very,
very slow."""
q = Subreddit._query(sort=asc("_date"))
for sr in fetch_things2(q):
for q in all_queries(get_links, sr, ("hot", "new"), ["all"]):
q.update()
for q in all_queries(get_links, sr, time_filtered_sorts, db_times.keys()):
q.update()
get_spam_links(sr).update()
# get_spam_comments(sr).update()
get_reported_links(sr).update()
def test_comment_order_full_asc(self):
sort = operators.asc("_confidence")
builder = CommentBuilder(self.link, sort, num=1500)
builder.load_comment_order()
comment_order = [
comment_tuple.comment_id
for comment_tuple in builder.ordered_comment_tuples
]
self.assertEqual(comment_order,
[109, 108, 107, 100, 103, 102, 106, 105, 101, 104, 110])
self.assertEqual(builder.missing_root_comments, set())
self.assertEqual(builder.missing_root_count, 0)
class SortMenu(NavMenu):
name = 'sort'
hidden_options = []
button_cls = QueryButton
# these are _ prefixed to avoid colliding with NavMenu attributes
_default = 'hot'
_options = ('hot', 'new', 'top', 'old', g.voting_upvote_path, g.voting_controversial_path)
_type = 'lightdrop'
_title = N_("sorted by")
def __init__(self, default=None, title='', base_path='', separator='|',
_id='', css_class=''):
options = self.make_buttons()
default = default or self._default
base_path = base_path or request.path
title = title or _(self._title)
NavMenu.__init__(self, options, default=default, title=title,
type=self._type, base_path=base_path,
separator=separator, _id=_id, css_class=css_class)
def make_buttons(self):
buttons = []
for name in self._options:
css_class = 'hidden' if name in self.hidden_options else ''
button = self.button_cls(self.make_title(name), name, self.name,
css_class=css_class)
buttons.append(button)
return buttons
def make_title(self, attr):
return menu[attr]
_mapping = {
"hot": operators.desc('_hot'),
"new": operators.desc('_date'),
"old": operators.asc('_date'),
"top": operators.desc('_score'),
g.voting_upvote_path: operators.desc('_upvotes'),
g.voting_controversial_path: operators.desc('_controversy'),
"confidence": operators.desc('_confidence'),
"random": operators.shuffled('_confidence'),
"qa": operators.desc('_qa'),
}
_reverse_mapping = {v: k for k, v in _mapping.iteritems()}
@classmethod
def operator(cls, sort):
return cls._mapping.get(sort)
@classmethod
def sort(cls, operator):
return cls._reverse_mapping.get(operator)
def test_comment_order_full_asc(self):
sort = operators.asc("_confidence")
builder = CommentBuilder(self.link, sort, num=1500)
builder.load_comment_order()
comment_order = [
comment_tuple.comment_id
for comment_tuple in builder.ordered_comment_tuples
]
self.assertEqual(
comment_order,
[109, 108, 107, 100, 103, 102, 106, 105, 101, 104, 110])
self.assertEqual(builder.missing_root_comments, set())
self.assertEqual(builder.missing_root_count, 0)
def add_all_srs():
"""Recalculates every listing query for every subreddit. Very,
very slow."""
q = Subreddit._query(sort = asc('_date'))
for sr in fetch_things2(q):
for q in all_queries(get_links, sr, ('hot', 'new'), ['all']):
q.update()
for q in all_queries(get_links, sr, time_filtered_sorts, db_times.keys()):
q.update()
get_spam_links(sr).update()
get_spam_comments(sr).update()
get_reported_links(sr).update()
get_reported_comments(sr).update()
def add_all_srs():
"""Recalculates every listing query for every subsciteit. Very,
very slow."""
q = Subsciteit._query(sort = asc('_date'))
for sr in fetch_things2(q):
for q in all_queries(get_links, sr, ('hot', 'new'), ['all'],no_children=True):
q.update()
for q in all_queries(get_links, sr, time_filtered_sorts, db_times.keys(),no_children=True):
q.update()
get_spam_links(sr).update()
get_spam_comments(sr).update()
get_reported_links(sr).update()
get_reported_comments(sr).update()
def add_all_srs():
"""Adds every listing query for every subreddit to the queue."""
q = Subreddit._query(sort=asc("_date"))
for sr in fetch_things2(q):
add_queries(all_queries(get_links, sr, ("hot", "new"), ["all"]))
add_queries(all_queries(get_links, sr, ("top", "controversial"), db_times.keys()))
add_queries(
[
get_spam_links(sr),
# get_spam_comments(sr),
get_reported_links(sr),
# get_reported_comments(sr),
]
)
def operator(self, sort):
if sort == "hot":
return operators.desc("_hot")
elif sort == "new":
return operators.desc("_date")
elif sort == "old":
return operators.asc("_date")
elif sort == "top":
return operators.desc("_score")
elif sort == "controversial":
return operators.desc("_controversy")
elif sort == "confidence":
return operators.desc("_confidence")
elif sort == "interestingness":
return operators.desc("_interestingness")
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
elif sort == 'confidence':
return operators.desc('_confidence')
elif sort == 'interestingness':
return operators.desc('_interestingness')
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
elif sort == 'confidence':
return operators.desc('_confidence')
elif sort == 'interestingness':
return operators.desc('_interestingness')
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
elif sort == 'confidence':
return operators.desc('_confidence')
elif sort == 'random':
return operators.shuffled('_confidence')
def operator(self, sort):
if sort == 'hot':
return operators.desc('_hot')
elif sort == 'new':
return operators.desc('_date')
elif sort == 'old':
return operators.asc('_date')
elif sort == 'top':
return operators.desc('_score')
elif sort == 'controversial':
return operators.desc('_controversy')
elif sort == 'confidence':
return operators.desc('_confidence')
elif sort == 'random':
return operators.shuffled('_confidence')
def _setsort(self, sorts):
sorts = tup(sorts)
# make sure sorts are wrapped in a Sort obj
have_date = False
op_sorts = []
for s in sorts:
if not isinstance(s, operators.sort):
s = operators.asc(s)
op_sorts.append(s)
if s.col.endswith("_date"):
have_date = True
if op_sorts and not have_date:
op_sorts.append(operators.desc("_date"))
self._sort_param = op_sorts
return self
def _setsort(self, sorts):
sorts = tup(sorts)
#make sure sorts are wrapped in a Sort obj
have_date = False
op_sorts = []
for s in sorts:
if not isinstance(s, operators.sort):
s = operators.asc(s)
op_sorts.append(s)
if s.col.endswith('_date'):
have_date = True
if op_sorts and not have_date:
op_sorts.append(operators.desc('_date'))
self._sort_param = op_sorts
return self
def queue_summary_emails():
start = datetime.datetime.now()
# find all accounts that should get an email
# this implementation is slow, as it iterates over all accounts that have an email
# address. One idea to make it faster is to turn the "last_email_sent_at" data
# attribute into an actual sql column you can query
accounts = fetch_things2(Account._query(Account.c.email != None, sort=asc('_date')))
for account in accounts:
if should_send_activity_summary_email(account):
# using _add_item over add_item as that skips using a daemon thread to talk
# to the amqp server that might not finish it's job before the process exits
amqp._add_item('summary_email_q', str(account._id))
print "Queued summary email for %r" % (account.email,)
end = datetime.datetime.now()
print "Time to scan accounts to queue emails: %s" % (end - start)
def subreddit_stats(config):
sr_counts = defaultdict(int)
for kind in (Link, Comment):
thing_table, data_table = get_thing_table(kind._type_id)
first_id = list(kind._query(kind.c._date > timeago('1 day'), sort=asc('_date'), limit=1))
if not first_id:
continue
else:
first_id = first_id[0]._id
q = sa.select([data_table.c.value, sa.func.count(data_table.c.value)],
(data_table.c.thing_id > first_id)
& (data_table.c.key == 'sr_id')
& (thing_table.c.thing_id == data_table.c.thing_id)
& (thing_table.c.spam == False),
group_by=data_table.c.value)
for sr_id, count in q.execute():
sr_counts[sr_id] += count
return {'subreddits_active_past_day': len(list(count for count in sr_counts.itervalues() if count > 5))}
def _all_awards_cache(cls):
return [a._id for a in Award._query(sort=asc('_date'), limit=100)]
def next_link(self):
q = self._link_nav_query(sort=operators.asc('_date'))
return self._link_for_query(q)
def next_link(self):
q = self._link_nav_query(sort = operators.asc('_date'))
return self._link_for_query(q)
def next_in_top(self):
q = self._link_nav_query(Link.c.top_link == True, operators.asc('_date'))
return self._link_for_query(q)
def next_by_author(self):
q = self._link_nav_query(Link.c.author_id == self.author_id,
operators.asc('_date'))
return self._link_for_query(q)
def next_in_top(self):
q = self._link_nav_query(Link.c.top_link == True,
operators.asc('_date'))
return self._link_for_query(q)
def test_comment_order_full_asc(self):
sort = operators.asc("_confidence")
builder = CommentBuilder(self.link, sort, num=1500)
builder._get_comments()
self.assertEqual(builder.comment_order,
[109, 108, 107, 100, 103, 102, 106, 105, 101, 104, 110])
def next_by_tag(self, tag):
return self._next_link_for_tag(tag, operators.asc('_t1_date'))
def next_by_author(self):
q = self._link_nav_query(Link.c.author_id == self.author_id, operators.asc('_date'))
return self._link_for_query(q)
def add_all_users():
q = Account._query(sort=asc('_date'))
for user in fetch_things2(q):
update_user(user)
def next_in_promoted(self):
q = self._link_nav_query(Link.c.blessed == True, operators.asc('_date'))
return self._link_for_query(q)
def _all_awards_cache(cls):
return [ a._id for a in Award._query(sort=asc('_date'), limit=100) ]
def find_all_subreddits():
iterator = rate_limit_query(
Subreddit._query(
*[Subreddit.c.type != type_ for type_ in Subreddit.private_types],
sort=asc('_date')))
return itertools.ifilter(is_subreddit_to_crawl, iterator)
def next_in_promoted(self):
q = self._link_nav_query(Link.c.blessed == True,
operators.asc('_date'))
return self._link_for_query(q)
def add_all_users():
q = Account._query(sort = asc('_date'))
for user in fetch_things2(q):
update_user(user)
def next_by_tag(self, tag):
return self._next_link_for_tag(tag, operators.asc('_t1_date'))
