def is_active(asset):
"""Accepts an asset dictionary and determines if it
is active, returning Boolean."""
if not (asset['start_date'] and asset['end_date']):
return False
if asset['start_date'] < get_current_time() and asset['end_date'] > get_current_time():
return True
else:
return False
def generate_asset_list():
logging.info('Generating asset-list...')
c = connection.cursor()
c.execute("SELECT asset_id, name, uri, md5, start_date, end_date, duration, mimetype FROM assets ORDER BY name")
query = c.fetchall()
playlist = []
time_cur = get_current_time()
deadline = None
for asset in query:
asset_id = asset[0]
name = asset[1].encode('ascii', 'ignore')
uri = asset[2]
md5 = asset[3]
start_date = asset[4]
end_date = asset[5]
duration = asset[6]
mimetype = asset[7]
logging.debug('generate_asset_list: %s: start (%s) end (%s)' % (name, start_date, end_date))
if start_date and end_date:
if start_date < time_cur and end_date > time_cur:
playlist.append({"asset_id": asset_id, "name": name, "uri": uri, "duration": duration, "mimetype": mimetype})
if not deadline or end_date < deadline:
deadline = end_date
elif start_date >= time_cur and end_date > start_date:
if not deadline or start_date < deadline:
deadline = start_date
logging.debug('generate_asset_list deadline: %s' % deadline)
if settings.shuffle_playlist:
shuffle(playlist)
return (playlist, deadline)
def refresh_playlist(self):
logging.debug('refresh_playlist')
time_cur = get_current_time()
logging.debug('refresh: counter: (%d) deadline (%s) timecur (%s)' % (self.counter, self.deadline, time_cur))
if self.dbisnewer():
self.update_playlist()
elif settings.shuffle_playlist and self.counter >= 5:
self.update_playlist()
elif self.deadline and self.deadline <= time_cur:
self.update_playlist()
def get_playlist():
c = connection.cursor()
c.execute("SELECT * FROM assets ORDER BY name")
assets = c.fetchall()
playlist = []
for asset in assets:
# Match variables with database
asset_id = asset[0]
name = asset[1]
uri = asset[2] # Path in local database
input_start_date = asset[4]
input_end_date = asset[5]
try:
start_date = datestring.date_to_string(asset[4])
except:
start_date = None
try:
end_date = datestring.date_to_string(asset[5])
except:
end_date = None
if (start_date and end_date) and (input_start_date < get_current_time() and input_end_date > get_current_time()):
duration = asset[6]
mimetype = asset[7]
playlistitem = {
"name": name,
"uri": uri,
"duration": duration,
"mimetype": mimetype,
"asset_id": asset_id,
"start_date": start_date,
"end_date": end_date
}
playlist.append(playlistitem)
return playlist
def is_active(asset, at_time=None):
"""Accepts an asset dictionary and determines if it
is active at the given time. If no time is specified,
get_current_time() is used.
>>> asset = {'asset_id': u'4c8dbce552edb5812d3a866cfe5f159d', 'mimetype': u'web', 'name': u'WireLoad', 'end_date': datetime(2013, 1, 19, 23, 59), 'uri': u'http://www.wireload.net', 'duration': u'5', 'start_date': datetime(2013, 1, 16, 0, 0)};
>>> is_active(asset, datetime(2013, 1, 16, 12, 00))
True
>>> is_active(asset, datetime(2014, 1, 1))
False
"""
if not (asset['start_date'] and asset['end_date']):
return False
at_time = at_time or get_current_time()
return (asset['start_date'] < at_time and asset['end_date'] > at_time)
