# Path: wfcommon/formula/base.py
# class LastFormula(object):
#     '''
#     Keeps last sample value.
#     '''
# 
#     def __init__(self, index):
#         self.index = index
# 
#     index = None
#     last = None
# 
#     def append(self, sample):
#         value = sample[self.index]
#         if value is not None:
#             self.last = value
# 
#     def value(self):
#         return self.last
# 
# Path: wfcommon/formula/base.py
# class SumFormula(object):
#     '''
#     Sum.
#     '''
# 
#     def __init__(self, index):
#         self.index = index
# 
#     index = None
#     sum = 0
#     empty = True
# 
#     def append(self, sample):
#         value = sample[self.index]
#         if value is not None:
#             self.empty = False
#             self.sum = self.sum + value
# 
#     def value(self):
#         if self.empty:
#             return None
#         else:
#             return self.sum
# 
# Path: wfcommon/units.py
# def HPaToInHg(value):
#     return value * 0.02953 if value != None else None
# 
# Path: wfcommon/units.py
# def CToF(value): 
#     return  ((value * 9.0) / 5.0) + 32.0 if value != None else None
# 
# Path: wfcommon/units.py
# def MmToIn(value): 
#     return value / 25.4 if value != None else None
# 
# Path: wfcommon/units.py
# def MpsToMph(value): 
#     return value * 2.2445 if value != None else None


import math
import logging
import sys
import time
import hashlib
import wfcommon.database
from wfcommon.formula.base import LastFormula
from wfcommon.formula.base import SumFormula
from httplib import HTTPConnection
from urllib import urlencode
    from wfrender.datasource.accumulator import AccumulatorDatasource
    from datasource.accumulator import AccumulatorDatasource
from wfcommon.units import HPaToInHg
from wfcommon.units import CToF
from wfcommon.units import MmToIn
from wfcommon.units import MpsToMph

        The storage service.
    """

    username = None
    password = None
    publisher = None
    storage = None
    period = 900
    alive = False

    logger = logging.getLogger("renderer.metofficeWOW")

    def render(self, data={}, context={}):
        try:
            assert self.username is not None, "'MetofficeWOW.siteid' must be set"
            assert self.password is not None, "'MetofficeWOW.siteAuthenticationKey' must be set"
            assert self.period is not None, "'MetofficeWOW.period' must be set"

            self.logger.info("Initializing MetOffice WOW Upload (user %s)" % self.username)

            self.alive = True

            accu = AccumulatorDatasource()
            accu.slice = 'hour'
            accu.span = 2
            accu.storage = self.storage

            accu.formulas = {'current': {
                 'temp'         : LastFormula('temp'),
                 'hum'          : LastFormula('hum'),

# Path: wfcommon/formula/base.py
# class LastFormula(object):
#     '''
#     Keeps last sample value.
#     '''
# 
#     def __init__(self, index):
#         self.index = index
# 
#     index = None
#     last = None
# 
#     def append(self, sample):
#         value = sample[self.index]
#         if value is not None:
#             self.last = value
# 
#     def value(self):
#         return self.last
# 
# Path: wfcommon/formula/base.py
# class SumFormula(object):
#     '''
#     Sum.
#     '''
# 
#     def __init__(self, index):
#         self.index = index
# 
#     index = None
#     sum = 0
#     empty = True
# 
#     def append(self, sample):
#         value = sample[self.index]
#         if value is not None:
#             self.empty = False
#             self.sum = self.sum + value
# 
#     def value(self):
#         if self.empty:
#             return None
#         else:
#             return self.sum
# 
# Path: wfcommon/units.py
# def HPaToInHg(value):
#     return value * 0.02953 if value != None else None
# 
# Path: wfcommon/units.py
# def CToF(value): 
#     return  ((value * 9.0) / 5.0) + 32.0 if value != None else None
# 
# Path: wfcommon/units.py
# def MmToIn(value): 
#     return value / 25.4 if value != None else None
# 
# Path: wfcommon/units.py
# def MpsToMph(value): 
#     return value * 2.2445 if value != None else None


# Path: wfrender/renderer/metofficewow.py
import math
import logging
import sys
import time
import hashlib
import wfcommon.database
from wfcommon.formula.base import LastFormula
from wfcommon.formula.base import SumFormula
from httplib import HTTPConnection
from urllib import urlencode
    from wfrender.datasource.accumulator import AccumulatorDatasource
    from datasource.accumulator import AccumulatorDatasource
from wfcommon.units import HPaToInHg
from wfcommon.units import CToF
from wfcommon.units import MmToIn
from wfcommon.units import MpsToMph

        The storage service.
    """

    username = None
    password = None
    publisher = None
    storage = None
    period = 900
    alive = False

    logger = logging.getLogger("renderer.metofficeWOW")

    def render(self, data={}, context={}):
        try:
            assert self.username is not None, "'MetofficeWOW.siteid' must be set"
            assert self.password is not None, "'MetofficeWOW.siteAuthenticationKey' must be set"
            assert self.period is not None, "'MetofficeWOW.period' must be set"

            self.logger.info("Initializing MetOffice WOW Upload (user %s)" % self.username)

            self.alive = True

            accu = AccumulatorDatasource()
            accu.slice = 'hour'
            accu.span = 2
            accu.storage = self.storage

            accu.formulas = {'current': {
                 'temp'         : LastFormula('temp'),
                 'hum'          : LastFormula('hum'),

                 'pressure'     : LastFormula('pressure'),
