def getTransmissionsByMonth(self, stationId, year, month, limiter = None, notModifiedCheck = None, head = False):
if month is not None:
startTimestamp = datetime(year, month, 1)
if month != 12:
endTimestamp = datetime(year, month+1, 1)
else:
endTimestamp = datetime(year+1, 1, 1)
else:
startTimestamp = datetime(year, 1, 1)
endTimestamp = datetime(year+1, 1, 1)
startTimestamp = TimeUtils.toTimestamp(startTimestamp)
endTimestamp = TimeUtils.toTimestamp(endTimestamp)
transmissions = self.store.find((Transmission, Broadcast),
Transmission.BroadcastID == Broadcast.ID,
And(Broadcast.StationID == stationId,
And(Transmission.Timestamp >= startTimestamp,
Transmission.Timestamp < endTimestamp)))
lastModified = max(
transmissions.max(Transmission.Modified),
self.store.find(Broadcast, Broadcast.StationID == stationId).max(Broadcast.TransmissionRemoved),
self.store.get(Station, stationId).BroadcastRemoved
)
if head:
return (lastModified, None)
if notModifiedCheck is not None:
notModifiedCheck(lastModified)
transmissions.order_by(Desc(Transmission.Timestamp))
if limiter is not None:
transmissions = limiter(transmissions)
return (lastModified, (transmission for (transmission, broadcast) in transmissions))
def getUpcomingBroadcasts(self, station, all, update, timeLimit, maxTimeRange, limiter = None, notModifiedCheck = None, head = False):
now = TimeUtils.now()
where = And(Or(Broadcast.BroadcastEnd > now, Broadcast.BroadcastEnd == None), (Broadcast.BroadcastStart < (now + timeLimit)))
if not all:
where = And(where, Broadcast.Type == u"data")
if station is not None:
where = And(where, Broadcast.StationID == stationId)
broadcasts = self.store.find(Broadcast, where)
lastModified = max(
broadcasts.max(Broadcast.Modified),
station.BroadcastRemoved if station is not None else None,
station.Schedule.Modified if (station is not None and station.Schedule is not None) else None
)
if head:
return (lastModified, None, None, None)
if notModifiedCheck is not None:
notModifiedCheck(lastModified)
if update:
untilDate = datetime.fromtimestamp(now)
untilDate += timedelta(seconds=timeLimit)
untilDate = self.normalizeDate(untilDate)
until = TimeUtils.toTimestamp(untilDate)
if station is None:
validUntil = self.scheduleMaintainer.updateSchedules(until, maxTimeRange)
else:
validUntil = self.scheduleMaintainer.updateSchedule(station, until, maxTimeRange)
# trans.set_header_value("Expires", self.model.formatHTTPTimestamp(validUntil))
return (lastModified, broadcasts if limiter is None else limiter(broadcasts), validUntil >= until, validUntil)
def getData(self, station = None,
years=None,
**kwargs):
where = Broadcast.BroadcastEnd != None
if station is not None:
where = And(where, Broadcast.StationID == station.ID)
if years is not None:
now = TimeUtils.nowDate()
where = And(where, Broadcast.BroadcastStart >= TimeUtils.toTimestamp(datetime(year=now.year-years, month=now.month, day=1)))
data = self.store.find(
(
Station,
Func("YEAR", Func("FROM_UNIXTIME", Broadcast.BroadcastStart)),
Func("MONTH", Func("FROM_UNIXTIME", Broadcast.BroadcastStart)),
Func("SUM", Broadcast.BroadcastEnd - Broadcast.BroadcastStart)
),
Broadcast.StationID == Station.ID,
where
).group_by(Station, Func("YEAR", Func("FROM_UNIXTIME", Broadcast.BroadcastStart)), Func("MONTH", Func("FROM_UNIXTIME", Broadcast.BroadcastStart)))
data = list(self._splitData(data))
if len(data) == 0:
raise NoDataArgError(kwargs, station=station, years=years)
monthList = list(self._getMonthList(data))
data = list(self._mapData(data, monthList))
data.sort(key=lambda x: unicode(x[0]))
dateList = [datetime(year, month+1, day=1, hour=0, minute=0) for year, month in monthList]
xticks = list(self._filterTicksExt(dateList, monthList))
tickCoords = [float(i)+0.5 for i in self._filterTicksExt(range(len(monthList)), monthList)]
coords = [i for i in xrange(len(monthList))]
return (data, coords, xticks, tickCoords)
def priyom_timestamp(s):
if allowNone and (((type(s) == str or type(s) == unicode) and (len(s) == 0 or s.lower() == "none")) or s is None):
return None
if type(s) == int or type(s) == float:
if asDate:
return TimeUtils.fromTimestamp(s)
else:
return s
if asDate:
return datetime.strptime(s, Formatting.priyomdate)
else:
return TimeUtils.toTimestamp(datetime.strptime(s, Formatting.priyomdate))
def getTransmissionsByMonth(self,
stationId,
year,
month,
limiter=None,
notModifiedCheck=None,
head=False):
if month is not None:
startTimestamp = datetime(year, month, 1)
if month != 12:
endTimestamp = datetime(year, month + 1, 1)
else:
endTimestamp = datetime(year + 1, 1, 1)
else:
startTimestamp = datetime(year, 1, 1)
endTimestamp = datetime(year + 1, 1, 1)
startTimestamp = TimeUtils.toTimestamp(startTimestamp)
endTimestamp = TimeUtils.toTimestamp(endTimestamp)
transmissions = self.store.find(
(Transmission, Broadcast),
Transmission.BroadcastID == Broadcast.ID,
And(
Broadcast.StationID == stationId,
And(Transmission.Timestamp >= startTimestamp,
Transmission.Timestamp < endTimestamp)))
lastModified = max(
transmissions.max(Transmission.Modified),
self.store.find(Broadcast, Broadcast.StationID == stationId).max(
Broadcast.TransmissionRemoved),
self.store.get(Station, stationId).BroadcastRemoved)
if head:
return (lastModified, None)
if notModifiedCheck is not None:
notModifiedCheck(lastModified)
transmissions.order_by(Desc(Transmission.Timestamp))
if limiter is not None:
transmissions = limiter(transmissions)
return (lastModified, (transmission
for (transmission, broadcast) in transmissions))
def getUpcomingBroadcasts(self,
station,
all,
update,
timeLimit,
maxTimeRange,
limiter=None,
notModifiedCheck=None,
head=False):
now = TimeUtils.now()
where = And(
Or(Broadcast.BroadcastEnd > now, Broadcast.BroadcastEnd == None),
(Broadcast.BroadcastStart < (now + timeLimit)))
if not all:
where = And(where, Broadcast.Type == u"data")
if station is not None:
where = And(where, Broadcast.StationID == stationId)
broadcasts = self.store.find(Broadcast, where)
lastModified = max(
broadcasts.max(Broadcast.Modified),
station.BroadcastRemoved if station is not None else None,
station.Schedule.Modified if
(station is not None and station.Schedule is not None) else None)
if head:
return (lastModified, None, None, None)
if notModifiedCheck is not None:
notModifiedCheck(lastModified)
if update:
untilDate = datetime.fromtimestamp(now)
untilDate += timedelta(seconds=timeLimit)
untilDate = self.normalizeDate(untilDate)
until = TimeUtils.toTimestamp(untilDate)
if station is None:
validUntil = self.scheduleMaintainer.updateSchedules(
until, maxTimeRange)
else:
validUntil = self.scheduleMaintainer.updateSchedule(
station, until, maxTimeRange)
# trans.set_header_value("Expires", self.model.formatHTTPTimestamp(validUntil))
return (lastModified,
broadcasts if limiter is None else limiter(broadcasts),
validUntil >= until, validUntil)
def respond(self, trans):
if not trans.get_request_method() in self.allowedMethods:
trans.set_response_code(405)
trans.set_header_value("Allow", ", ".join(self.allowedMethods))
print >> trans.get_response_stream(
), "Request method {0} is not allowed on this resource.".format(
trans.get_request_method())
raise EndOfResponse
self.parsePreferences(trans)
self.store.autoreload() # to make sure we get current data
self.trans = trans
self.out = trans.get_response_stream()
self.query = trans.get_fields_from_path()
self.postQuery = {}
if trans.get_content_type(
).media_type == "application/x-www-form-urlencoded":
self.postQuery = trans.get_fields_from_body("utf-8")
self.query.update(self.postQuery)
trans.post_query = self.postQuery
ifModifiedSince = trans.get_header_values("If-Modified-Since")
if len(ifModifiedSince) > 0:
try:
self.ifModifiedSince = self.model.parseHTTPDate(
ifModifiedSince[-1])
except ValueError as e:
trans.set_response_code(400)
print >> self.out, "If-Modified-Since date given in a invalid format: %s" % str(
e)
raise EndOfResponse
self.ifModifiedSinceUnix = TimeUtils.toTimestamp(
self.ifModifiedSince)
else:
self.ifModifiedSince = None
self.ifModifiedSinceUnix = None
self.normalizeQueryDict(self.query)
self.normalizeQueryDict(self.postQuery)
self.setupModel()
self.head = trans.get_request_method() == "HEAD"
try:
result = self.handle(trans)
finally:
self.store.flush()
return result
def respond(self, trans):
if not trans.get_request_method() in self.allowedMethods:
trans.set_response_code(405)
trans.set_header_value("Allow", ", ".join(self.allowedMethods))
print >>trans.get_response_stream(), "Request method {0} is not allowed on this resource.".format(trans.get_request_method())
raise EndOfResponse
self.parsePreferences(trans)
self.store.autoreload() # to make sure we get current data
self.trans = trans
self.out = trans.get_response_stream()
self.query = trans.get_fields_from_path()
self.postQuery = {}
if trans.get_content_type().media_type == "application/x-www-form-urlencoded":
self.postQuery = trans.get_fields_from_body("utf-8")
self.query.update(self.postQuery)
trans.post_query = self.postQuery
ifModifiedSince = trans.get_header_values("If-Modified-Since")
if len(ifModifiedSince) > 0:
try:
self.ifModifiedSince = self.model.parseHTTPDate(ifModifiedSince[-1])
except ValueError as e:
trans.set_response_code(400)
print >>self.out, "If-Modified-Since date given in a invalid format: %s" % str(e)
raise EndOfResponse
self.ifModifiedSinceUnix = TimeUtils.toTimestamp(self.ifModifiedSince)
else:
self.ifModifiedSince = None
self.ifModifiedSinceUnix = None
self.normalizeQueryDict(self.query)
self.normalizeQueryDict(self.postQuery)
self.setupModel()
self.head = trans.get_request_method() == "HEAD"
try:
result = self.handle(trans)
finally:
self.store.flush()
return result
