def get_locations_and_timeseries(headers, string):
'''
expects username and password in headers, and a string to search
valid search strings are: u'WNS1400.1h', u'H.gewogen.toekomst.ruw',
u'Q.meting', u'H.streef', u'H.gewogen',
u'H.gewogen.toekomst', u'Q.advies', u'H.meting',
u'Q.berekend', u'WNS9040', u'WNS2368', u'WNS2369.h',
u'WNS9688', u'WNS2369', u'CL.berekend', u'UNKNOWN',
u'H.niveau', u'EGVms_cm.meting', u'O2.geh.meting',
u'O2.sat.meting', u'WNS1923', u'111TClTol (B)']
returns a structured dictionary with all locations and corresponding timeseries for HHNK only
'''
query = {'search': string}
url = 'https://api.ddsc.nl/api/v2/timeseries/'
result = {}
while url != None:
response = requests.get(url=url, headers=headers, params=query)
json = response.json()
for x in (json['results']):
if x['location']['organisation']['name'] == 'HHNK':
if ', ' in x['location']['name']:
ml_name = x['location']['name'].split(', ')[0]
ml_ds_desc = x['parameter_referenced_unit'][
'parameter_short_display_name'] + ', ' + x['location'][
'name']
else:
ml_name = x['location']['name']
ml_ds_desc = x['parameter_referenced_unit'][
'parameter_short_display_name']
ml_ds_name = x['name'] + ' ' + x['location']['name']
ml_latlon = x['location']['geometry']['coordinates']
rd = Point(x=ml_latlon[0], y=ml_latlon[1], srid=WGS84)
rd = toRD(rd)
ml_ds_unit = x['parameter_referenced_unit'][
'referenced_unit_short_display_name']
ml_ds_url = x['url']
datasource = [{
ml_ds_name: {
'descrition': ml_ds_desc,
'unit': ml_ds_unit,
'url': ml_ds_url
}
}]
result[ml_name] = result.get(ml_name, {'location': rd})
try:
result[ml_name]['datasources'] += datasource
except:
result[ml_name]['datasources'] = datasource
url = json['next']
query = None
return result
def get_locations_and_timeseries(headers, string):
'''
expects username and password in headers, and a string to search
valid search strings are: u'WNS1400.1h', u'H.gewogen.toekomst.ruw',
u'Q.meting', u'H.streef', u'H.gewogen',
u'H.gewogen.toekomst', u'Q.advies', u'H.meting',
u'Q.berekend', u'WNS9040', u'WNS2368', u'WNS2369.h',
u'WNS9688', u'WNS2369', u'CL.berekend', u'UNKNOWN',
u'H.niveau', u'EGVms_cm.meting', u'O2.geh.meting',
u'O2.sat.meting', u'WNS1923', u'111TClTol (B)']
returns a structured dictionary with all locations and corresponding timeseries for HHNK only
'''
query = {'search' : string}
url = 'https://api.ddsc.nl/api/v2/timeseries/'
result={}
while url != None:
response = requests.get(url = url, headers = headers, params=query)
json = response.json()
for x in (json['results']):
if x['location']['organisation']['name'] == 'HHNK':
if ', ' in x['location']['name']:
ml_name = x['location']['name'].split(', ')[0]
ml_ds_desc = x['parameter_referenced_unit']['parameter_short_display_name']+', '+x['location']['name']
else:
ml_name = x['location']['name']
ml_ds_desc = x['parameter_referenced_unit']['parameter_short_display_name']
ml_ds_name = x['name']+' '+x['location']['name']
ml_latlon = x['location']['geometry']['coordinates']
rd = Point(x=ml_latlon[0],y=ml_latlon[1],srid=WGS84)
rd = toRD(rd)
ml_ds_unit = x['parameter_referenced_unit']['referenced_unit_short_display_name']
ml_ds_url = x['url']
datasource = [{ml_ds_name:{'descrition':ml_ds_desc,'unit':ml_ds_unit,'url':ml_ds_url}}]
result[ml_name]= result.get(ml_name, {'location':rd})
try:
result[ml_name]['datasources'] += datasource
except:
result[ml_name]['datasources'] = datasource
url = json['next']
query = None
return result
def handle(self, *args, **options):
user = User.objects.get(username='******')
query = options['--query']
dictio = get_locations_and_timeseries(headers, query)
project_name = 'HHNKmeet'
proj_descr = 'HHNK FEWS db'
project, created = Project.objects.get_or_create(name = project_name,description = proj_descr)
# create projectlocatie
pl_name = 'HHNK_HQ'
HHNK_HQ_loc = Point(x=4.8232246, y=52.6691314, srid=WGS84)
HHNK_HQ_loc = toRD(HHNK_HQ_loc)
HHNK_HQ_descr = 'Hoofdkantoor HHNK'
ploc, created = project.projectlocatie_set.get_or_create(name = pl_name, description=HHNK_HQ_descr, defaults = {'location': HHNK_HQ_loc })
# create meetlocatie
for ml in dictio.keys():
mloc, created = ploc.meetlocatie_set.get_or_create(name=ml, description = ml, defaults = {'location': dictio[ml]['location']})
for ds in dictio[ml]['datasources']:
#create datasources
name = ds.keys()[0]
gen = Generator.objects.get(name='FEWS')
ds_descr = ''
ds, created = mloc.datasources.get_or_create(name=name, defaults = {'user':user, 'generator':gen, 'description':ds_descr, 'url':ds[name]['url']})
def generate_locations(modeladmin, request, queryset):
from acacia.data.util import toRD
'''generates meetlocaties from a datasource'''
ncreated = 0
for ds in queryset:
projectlocatie = ds.projectlocatie()
locs = ds.get_locations()
for key,values in locs.iteritems():
desc = values.get('description',None)
loc = Point(values['coords'],srid=values['srid'])
loc = toRD(loc)
try:
mloc, created = projectlocatie.meetlocatie_set.get_or_create(name=key,defaults={'description': desc,'location':loc})
if created:
logger.debug('Created Meetlocatie {}'.format(unicode(mloc)))
ncreated += 1
try:
ds.locations.add(mloc)
except Exception as e:
logger.error('Cannot add secondary meetlocatie {loc} to datasource {ds}: {ex}'.format(loc=mloc, ds=ds, ex=e))
except Exception as e:
logger.exception('Cannot create meetlocatie {}'.format(key))
logger.info('{} new locations created'.format(ncreated))
def generate_locations(modeladmin, request, queryset):
from acacia.data.util import toRD
'''generates meetlocaties from a datasource'''
ncreated = 0
for ds in queryset:
projectlocatie = ds.projectlocatie()
locs = ds.get_locations()
for key,values in locs.iteritems():
desc = values.get('description',None)
loc = Point(values['coords'],srid=values['srid'])
loc = toRD(loc)
try:
mloc, created = projectlocatie.meetlocatie_set.get_or_create(name=key,defaults={'description': desc,'location':loc})
if created:
logger.debug(_('Created measuring point {}').format(unicode(mloc)))
ncreated += 1
try:
ds.locations.add(mloc)
except Exception as e:
logger.error(_('Cannot add secondary measuring point {loc} to datasource {ds}: {ex}').format(loc=mloc, ds=ds, ex=e))
except Exception as e:
logger.exception(_('Cannot create measuring point {}').format(key))
logger.info(_('{} new locations created').format(ncreated))
def handle(self, *args, **options):
user = User.objects.get(username='******')
query = options['--query']
dictio = get_locations_and_timeseries(headers, query)
project_name = 'HHNKmeet'
proj_descr = 'HHNK FEWS db'
project, created = Project.objects.get_or_create(
name=project_name, description=proj_descr)
# create projectlocatie
pl_name = 'HHNK_HQ'
HHNK_HQ_loc = Point(x=4.8232246, y=52.6691314, srid=WGS84)
HHNK_HQ_loc = toRD(HHNK_HQ_loc)
HHNK_HQ_descr = 'Hoofdkantoor HHNK'
ploc, created = project.projectlocatie_set.get_or_create(
name=pl_name,
description=HHNK_HQ_descr,
defaults={'location': HHNK_HQ_loc})
# create meetlocatie
for ml in dictio.keys():
mloc, created = ploc.meetlocatie_set.get_or_create(
name=ml,
description=ml,
defaults={'location': dictio[ml]['location']})
for ds in dictio[ml]['datasources']:
#create datasources
name = ds.keys()[0]
gen = Generator.objects.get(name='FEWS')
ds_descr = ''
ds, created = mloc.datasources.get_or_create(
name=name,
defaults={
'user': user,
'generator': gen,
'description': ds_descr,
'url': ds[name]['url']
})
def RD(self):
return util.toRD(self.location)
def RD(self):
return util.toRD(self.location)
