本文整理汇总了Python中pthelma.timeseries.Timeseries.keys方法的典型用法代码示例。如果您正苦于以下问题：Python Timeseries.keys方法的具体用法？Python Timeseries.keys怎么用？Python Timeseries.keys使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pthelma.timeseries.Timeseries的用法示例。
在下文中一共展示了Timeseries.keys方法的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: handle
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def handle(self, *args, **options):
try:
username = args[0]
except IndexError:
print "I need a username!"
return -1
try:
if username:
user = User.objects.get(username=username)
out = []
print "output for {x}".format(x=username)
household = Household.objects.get(user=user)
timeseries = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_PERIOD)
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
values = np.array([])
for ts in timestamps:
val = series[ts]
if isnan(val) or val == 0:
continue
values = np.append(values, val)
perc = np.percentile(values, 90)
out.append([ts, val, perc])
_outfile = "timeseries_%s.csv" % username
_path = "data/"
with open(path.join(_path, _outfile), 'w') as of:
a = csv.writer(of, delimiter=',',
quotechar='"',
quoting=csv.QUOTE_ALL)
a.writerows(out)
except Exception as e:
print "failed with %s" % repr(e)示例2: update_ts_temp_file
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def update_ts_temp_file(cache_dir, connection, id):
full_rewrite = False
afilename = os.path.join(cache_dir, '%d.hts'%(id,))
if os.path.exists(afilename):
if os.path.getsize(afilename)<3:
full_rewrite = True
#Update the file in the case of logged data, if this is possible
if os.path.exists(afilename) and not full_rewrite:
with open(afilename, 'r') as fileobject:
xr = xreverse(fileobject, 2048)
line = xr.next()
lastdate = datetime_from_iso(line.split(',')[0])
ts = Timeseries(id)
ts.read_from_db(connection, bottom_only=True)
if len(ts)>0:
db_start, db_end = ts.bounding_dates()
if db_start>lastdate:
full_rewrite = True
elif db_end>lastdate:
lastindex = ts.index(lastdate)
with open(afilename, 'a') as fileobject:
ts.write(fileobject, start=ts.keys()[lastindex+1])
#Check for tmmp file or else create it
if not os.path.exists(afilename) or full_rewrite:
ts = Timeseries(id)
ts.read_from_db(connection)
if not os.path.exists(cache_dir):
os.mkdir(cache_dir)
tempfile_handle, tempfile_name = tempfile.mkstemp(dir=cache_dir)
with os.fdopen(tempfile_handle, 'w') as afile:
ts.write(afile)
shutil.move(tempfile_name, afilename)示例3: get_consumption_totals
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def get_consumption_totals(household, dt, variable):
"""
Not needed. read_timeseries_tail_from_db does the same thing, faster.
:param household:
:return:
"""
if variable == "WaterCold":
timeseries = household \
.timeseries.get(variable__id=VAR_CUMULATIVE)
raw_series = TSeries(id=timeseries.id)
raw_series.read_from_db(db.connection)
timestamps = sorted(raw_series.keys())
total = 0
for ts in timestamps:
val = raw_series[ts]
if isnan(val):
continue
if ts > dt:
break
total = raw_series[ts]
return total
elif variable == "Electricity":
timeseries = household \
.timeseries.get(variable__id=VAR_ENERGY_CUMULATIVE)
raw_series = TSeries(id=timeseries.id)
raw_series.read_from_db(db.connection)
timestamps = sorted(raw_series.keys())
total = 0
for ts in timestamps:
val = raw_series[ts]
if isnan(val):
continue
if ts > dt:
break
total = raw_series[ts]
return total示例4: has_burst_old
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def has_burst_old(household):
"""
We won't be using this algorithm any more
:param household:
:return:
"""
name = household.user.username
if not name.startswith('GR'):
return 0, 0
timeseries = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_PERIOD)
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
today = [] # all today's values
_all = []
for i in range(1, len(timestamps)):
ts = timestamps[i]
if household.user.username == "GR006047" \
and ts.year == 2015 and ts.month == 2 and ts.day == 9 \
and ts.hour == 17:
pass
prev_ts = timestamps[i-1]
# if previous value is NaN we don't take this value into consideration
# Because it might have all consumption of all the previous NaN times
val = series[ts]
prev_val = series[prev_ts]
if isnan(prev_val):
continue
if i < len(timestamps) - 100:
if not isnan(val) and not val == 0:
_all.append(series[ts])
else:
tm = "%s:%s" % (ts.time().hour, ts.time().minute)
if not isnan(val) and not val == 0:
today.append((val, tm))
if _all and today:
all1 = np.array(_all)
p = np.percentile(all1, 95)
for cons, tm in today:
if cons > p:
return cons, tm
return 0, 0示例5: has_burst
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def has_burst(household):
"""
We won't be using this algorithm any more
:param household:
:return:
"""
name = household.user.username
if not name.startswith('GR'):
return 0, 0
timeseries = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_PERIOD)
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
today = [] # all today's values
daily_maxes = {}
for i in range(1, len(timestamps)):
ts = timestamps[i]
prev_ts = timestamps[i-1]
date = ts.date()
# if previous value is NaN we don't take this value into consideration
# Because it might have all consumption of all the previous NaN times
val = series[ts]
prev_val = series[prev_ts]
if isnan(prev_val):
continue
if i < len(timestamps) - 100:
if not isnan(val) and not val == 0:
daily_max = daily_maxes.get(date, 0)
if val > daily_max:
daily_maxes[date] = val
else:
tm = "%s-%s-%s %s:%s" % (ts.year, ts.month, ts.day,
ts.time().hour, ts.time().minute)
if not isnan(val) and not val == 0:
today.append((val, tm))
if daily_maxes and today:
maxes = np.array(daily_maxes.values())
p = np.percentile(maxes, 90)
for cons, tm in today:
if cons > p:
return cons, tm
return 0, 0示例6: get_values_after
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def get_values_after(household, dt, variable):
timeseries = None
if variable == "WaterCold":
timeseries = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_PERIOD)
elif variable == "Electricity":
timeseries = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_ENERGY_PERIOD)
data = []
if timeseries:
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
for ts in timestamps:
val = series[ts]
if ts <= dt:
continue
data.append((ts, val))
return data示例7: handle
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def handle(self, *args, **options):
try:
username = args[0]
except IndexError:
print "I need a username!"
return -1
try:
if username not in ["GR", "GB", "PT", "GBA"]:
users = User.objects.filter(username=username)
else:
users = User.objects.filter(username__startswith=username)
for user in users:
out = []
print "output for {x}".format(x=username)
household = Household.objects.get(user=user)
# ts_raw = household.timeseries.filter(time_step__isnull=True,
# variable__id=VAR_CUMULATIVE)[0]
# series = TSeries(id=ts_raw.id)
timeseries = household \
.timeseries.get(variable__id=VAR_CUMULATIVE)
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
values = np.array([])
for ts in timestamps:
val = series[ts]
if isnan(val) or val == 0:
continue
values = np.append(values, val)
#perc = np.percentile(values, 90)
out.append([ts, val])
_outfile = "timeseries_cumulative_%s.csv" % user.username
_path = "data/"
with open(path.join(_path, _outfile), 'w') as of:
a = csv.writer(of, delimiter=',',
quotechar='"',
quoting=csv.QUOTE_ALL)
a.writerows(out)
except Exception as e:
print "failed with %s" % repr(e)示例8: has_leakage
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def has_leakage(household):
"""
This method checks for leakages. The way it is done is pretty simple
I open the hourly timeseries and retrieve all timestamps.
I create a dictionary with keys be the dates (not time) and values arrays
be the percentage of night/total consumption
:param household:
:return: False for no leakage, True for leakage
"""
name = household.user.username
if name == "GR059E35":
pass
if name.startswith('GB'): # not UK because they send daily data
return 0, 0
timeseries = household \
.timeseries.get(time_step__id=TSTEP_HOURLY,
variable__id=VAR_PERIOD)
series = TSeries(id=timeseries.id)
series.read_from_db(db.connection)
timestamps = sorted(series.keys())
night_dict = {}
total_dict = {}
_t = datetime.now().time()
_d = datetime.today().date()
for ts in timestamps:
_d = ts.date()
_t = ts.time()
val = series[ts]
if 3 <= _t.hour <= 5:
if val == 0:
night_dict[_d] = 0 # make all night 0 if one 0
else:
try:
night_dict[_d] += val
except KeyError:
night_dict[_d] = val
try:
total_dict[_d] += val
except KeyError:
total_dict[_d] = val
#remove last day if not a whole day (_t < 24:00)
if _t.hour < 23:
try:
del total_dict[_d]
del night_dict[_d]
except (KeyError, IndexError):
pass
_all = [] # all lengths will be in here
_today = [] # today's lengths
_dates = sorted(total_dict.keys())[:-1] # all except last day 4 * 15min for 4 hrs
for _d in _dates:
total = total_dict[_d]
# there can be a case when I don't get data for 01:00 -> 04:00
# so night[_d] might not exist. in this case let it be zero
try:
night = night_dict[_d]
except KeyError:
night = 0
if total > 0 and night > 0 and not isnan(total) and not isnan(night):
_all.append(float(night) / float(total))
# Now we need only the last day. However sometimes we have
# some timestamps from the next day because the file has all data from
# previous day and one entry from today. So we pick today and yesterday
# instead of today. Today is too small. And too fast some times. But that
# is for some other time to discuss...
_dates = sorted(total_dict.keys())[-1:] # only last day's
for _d in _dates:
total = total_dict[_d]
night = night_dict[_d]
if total > 0 and night > 0 and not isnan(total) and not isnan(night):
_today.append(float(night) / float(total))
if _all and _today:
ts = timestamps[-1]
tm = "%s-%s-%s %s:%s" % (ts.year, ts.month, ts.day,
ts.time().hour, ts.time().minute)
all1 = np.array(_all)
p = np.percentile(all1, 90)
for val in _today:
if val > p:
return val, tm
return 0, 0示例9: create_objects
# 需要导入模块: from pthelma.timeseries import Timeseries [as 别名]
# 或者: from pthelma.timeseries.Timeseries import keys [as 别名]
def create_objects(data, usernames, force, z_names, z_dict):
"""
:param data: meter_id -> consumption_type -> [timestamp, volume]
:param force: True to overwrite
:return: True for success
"""
households = []
# Create user (household owner), household, database series placeholders
hh_ids = sorted(data.keys())
found = False
for hh_id in hh_ids:
username = usernames[hh_id]
if username == "PT94993":
pass
try:
zone_name = z_dict[username]
except KeyError:
zone_name = z_names[0]
zone = DMA.objects.get(name=zone_name)
user, created = create_user(username, hh_id)
household, found = create_household(hh_id, user, zone.id)
households.append(household)
db_series = create_raw_timeseries(household)
create_processed_timeseries(household)
timeseries_data = {}
# Now we will create timeseries.Timeseries() and we will add
# parsed values
for variable in db_series:
if variable not in ('WaterCold', 'Electricity'):
continue
exists = False
s, e = timeseries_bounding_dates_from_db(db.connection,
db_series[variable].id)
latest_ts = e
ts_id = db_series[variable].id
# checking to see if timeseries records already exist in order
# to append
# d = read_timeseries_tail_from_db(db.connection, ts_id)
total = 0.0
# if s or e:
# exists = True
# timeseries = TSeries(ts_id)
# timeseries.read_from_db(db.connection)
# else:
# timeseries = TSeries()
# timeseries.id = ts_id
_dict = data[hh_id]
arr = _dict[variable]
series = arr
if not series:
continue
earlier = []
if (not latest_ts) or (latest_ts < series[0][0]): # append
timeseries = TSeries()
timeseries.id = ts_id
try:
tail = read_timeseries_tail_from_db(db.connection, ts_id)
total = float(tail[1]) # keep up from last value
except Exception as e:
log.debug(repr(e))
total = 0
for timestamp, value in series:
if (not latest_ts) or (timestamp > latest_ts):
if not isnan(value):
total += value
timeseries[timestamp] = total
else:
timeseries[timestamp] = float('NaN')
elif timestamp < latest_ts:
earlier.append((timestamp, value))
timeseries.append_to_db(db=db.connection,
transaction=transaction,
commit=True)
elif latest_ts >= series[0][0]:
if not force: # ignore
continue
else: # insert
for timestamp, value in series:
if timestamp < latest_ts:
earlier.append((timestamp, value))
if earlier and ("GR" in username or "GBA" in username): # insert (only for athens)
# print "appending %s items for %s" % (len(earlier), username)
if variable == "WaterCold":
ts15 = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_PERIOD)
series15 = TSeries(id=ts15.id)
elif variable == "Electricity":
ts15 = household \
.timeseries.get(time_step__id=TSTEP_FIFTEEN_MINUTES,
variable__id=VAR_ENERGY_PERIOD)
series15 = TSeries(id=ts15.id)
series15.read_from_db(db.connection)
for ts, value in earlier:
series15[ts] = value
series15.write_to_db(db=db.connection,
transaction=transaction,
commit=True)
#.........这里部分代码省略.........