def _getPPData(self,
startDatetime,
endDatetime,
platform,
xParm,
yParm,
pvDict={},
returnIDs=False,
sampleFlag=True):
'''
Get Parameter-Parameter data regardless if Parameters are 'Sampled' or 'Measured in situ'
'''
# Use same query builder that the STOQS UI uses
request = HttpRequest
request.META = {'dbAlias': self.args.database}
pq = PQuery(request)
pq.logger.setLevel(logging.ERROR)
if self.args.verbose > 2:
pq.logger.setLevel(logging.DEBUG)
args = ()
kwargs = {
'time': (startDatetime.strftime('%Y-%m-%d %H:%M:%S'),
endDatetime.strftime('%Y-%m-%d %H:%M:%S')),
'platforms': (platform, ),
'parameterparameter': [
Parameter.objects.using(self.args.database).get(name=xParm).id,
Parameter.objects.using(self.args.database).get(name=yParm).id
],
'parametervalues': [pvDict]
}
px, py = kwargs['parameterparameter']
pq.buildPQuerySet(*args, **kwargs)
pp = ParameterParameter(request, {'x': px, 'y': py}, None, pq, {})
pp.logger.setLevel(logging.ERROR)
if self.args.verbose > 2:
pp.logger.setLevel(logging.DEBUG)
points = []
try:
pp._getXYCData(strideFlag=False,
latlonFlag=True,
returnIDs=returnIDs,
sampleFlag=sampleFlag)
except PPDatabaseException, e:
if platform or startDatetime or endDatetime:
raise NoPPDataException(
"No (%s, %s) data from (%s) between %s and %s" %
(xParm, yParm, platform, startDatetime, endDatetime))
else:
raise NoPPDataException("No (%s, %s) data returned" %
(xParm, yParm))
def _getPPData(self, startDatetime, endDatetime, platform, xParm, yParm, pvDict={}, returnIDs=False, sampleFlag=True):
'''
Get Parameter-Parameter data regardless if Parameters are 'Sampled' or 'Measured in situ'
'''
# Use same query builder that the STOQS UI uses
request = HttpRequest
request.META = {'dbAlias': self.args.database}
pq = PQuery(request)
pq.logger.setLevel(logging.ERROR)
if self.args.verbose > 2:
pq.logger.setLevel(logging.DEBUG)
args = ()
kwargs = { 'parameterparameter': [ Parameter.objects.using(self.args.database).get(name=xParm).id,
Parameter.objects.using(self.args.database).get(name=yParm).id ],
'parametervalues': [pvDict]
}
if startDatetime and endDatetime:
kwargs['time'] = (startDatetime.strftime('%Y-%m-%d %H:%M:%S'), endDatetime.strftime('%Y-%m-%d %H:%M:%S'))
if platform is not None:
kwargs['platforms'] = (platform,)
px, py = kwargs['parameterparameter']
pq.buildPQuerySet(*args, **kwargs)
pp = ParameterParameter(kwargs, request, {'x': px, 'y': py}, None, pq, {})
pp.logger.setLevel(logging.ERROR)
if self.args.verbose > 2:
pp.logger.setLevel(logging.DEBUG)
points = []
try:
pp._getXYCData(strideFlag=False, latlonFlag=True, returnIDs=returnIDs, sampleFlag=sampleFlag)
except PPDatabaseException:
if platform or startDatetime or endDatetime:
raise NoPPDataException("No (%s, %s) data from (%s) between %s and %s" % (xParm, yParm, platform, startDatetime, endDatetime))
else:
raise NoPPDataException("No (%s, %s) data returned" % (xParm, yParm))
for lon, lat in zip(pp.lon, pp.lat):
points.append(Point(lon, lat))
if returnIDs:
return pp.x_id, pp.y_id, pp.x, pp.y, points
else:
return pp.x, pp.y, points
def process_request(self):
'''
Default request processing: Apply any query parameters and get fields for the values. Respond with requested format.
'''
fields = self.getFields()
geomFields = self.getGeomFields()
self.assign_qs()
if self.stoqs_object_name == 'measured_parameter':
# Check if the query contains parametervalue constraints, in which case we need to wrap RawQuerySet in an MPQuerySet
pvConstraints = self.parameterValueConstraints()
if pvConstraints:
mpq = MPQuery(self.request)
pq = PQuery(self.request)
sql = postgresifySQL(str(self.qs.query))
sql = pq.addParameterValuesSelfJoins(
sql, pvConstraints, select_items=MPQuery.rest_select_items)
self.qs = MPQuerySet(sql, MPQuerySet.rest_columns)
else:
self.qs = MPQuerySet(None,
MPQuerySet.rest_columns,
qs_mp=self.qs)
# Process request based on format requested
if self.format == 'csv' or self.format == 'tsv':
response = HttpResponse()
if self.format == 'tsv':
response['Content-type'] = 'text/tab-separated-values'
response[
'Content-Disposition'] = 'attachment; filename=%s.tsv' % self.stoqs_object_name
writer = csv.writer(response, delimiter='\t')
else:
response['Content-type'] = 'text/csv'
response[
'Content-Disposition'] = 'attachment; filename=%s.csv' % self.stoqs_object_name
writer = csv.writer(response)
writer.writerow(fields)
for obj in self.qs:
writer.writerow([obj[f] for f in fields])
return response
elif self.format == 'xml':
return HttpResponse(serializers.serialize('xml', self.query_set),
'application/xml')
elif self.format == 'json':
return HttpResponse(
simplejson.dumps(self.qs, cls=encoders.STOQSJSONEncoder),
'application/json')
elif self.format == 'kml':
kml = KML(self.request, self.qs, self.qparams,
self.stoqs_object_name)
return kml.kmlResponse()
elif self.format == 'kmln':
kml = KML(self.request,
self.qs,
self.qparams,
self.stoqs_object_name,
withTimeStamps=False,
withLineStrings=False,
withFullIconURL=False)
return kml.kmlResponse()
elif self.format == 'count':
count = self.qs.count()
logger.debug('count = %d', count)
return HttpResponse('%d' % count, mimetype='text/plain')
elif self.format == 'help':
helpText = 'Fields: %s\n\nField Lookups: %s' % (fields,
self.fieldLookups)
if geomFields:
helpText += '\n\nSpatial and distance Lookups that may be appended to: %s\n\n%s\n\n%s' % (
geomFields, self.distanceLookups, self.spatialLookups)
helpText += '\n\nResponses: %s' % (self.responses, )
response = HttpResponse(helpText, mimetype="text/plain")
return response
else:
self.build_html_template()
response = render_to_response(
self.html_tmpl_file, {
'cols': fields,
'google_analytics_code': settings.GOOGLE_ANALYTICS_CODE
},
context_instance=RequestContext(self.request))
fh = open(self.html_tmpl_path, 'w')
for line in response:
fh.write(line)
fh.close()
return render_to_response(self.html_tmpl_path, {'list': self.qs})
def process_request(self):
'''
Default request processing: Apply any query parameters and get fields for the values. Respond with requested format.
'''
fields = self.getFields()
geomFields = self.getGeomFields()
try:
self.assign_qs()
except EmptyQuerySetException:
raise Http404
if self.stoqs_object_name == 'measured_parameter':
# Check if the query contains parametervalue constraints, in which case we need to wrap RawQuerySet in an MPQuerySet
pvConstraints = self.parameterValueConstraints()
if pvConstraints:
pq = PQuery(self.request)
sql = postgresifySQL(str(self.qs.query))
sql = pq.addParameterValuesSelfJoins(sql, pvConstraints, select_items=MPQuery.rest_select_items)
self.qs = MPQuerySet(self.request.META['dbAlias'], sql, MPQuerySet.rest_columns)
else:
self.qs = MPQuerySet(self.request.META['dbAlias'], None, MPQuerySet.rest_columns, qs_mp=self.qs)
# Process request based on format requested
if self.format == 'csv' or self.format == 'tsv':
response = HttpResponse()
if self.format == 'tsv':
response['Content-type'] = 'text/tab-separated-values'
response['Content-Disposition'] = 'attachment; filename=%s.tsv' % self.stoqs_object_name
writer = csv.writer(response, delimiter='\t')
else:
response['Content-type'] = 'text/csv'
response['Content-Disposition'] = 'attachment; filename=%s.csv' % self.stoqs_object_name
writer = csv.writer(response)
writer.writerow(fields)
for obj in self.qs:
writer.writerow([obj[f] for f in fields])
return response
elif self.format == 'xml':
return HttpResponse(serializers.serialize('xml', self.query_set), 'application/xml')
elif self.format == 'json':
return HttpResponse(json.dumps(self.qs, cls=encoders.STOQSJSONEncoder), 'application/json')
elif self.format == 'kml':
kml = KML(self.request, self.qs, self.qparams, self.stoqs_object_name)
return kml.kmlResponse()
elif self.format == 'kmln':
kml = KML(self.request, self.qs, self.qparams, self.stoqs_object_name, withTimeStamps=False, withLineStrings=False, withFullIconURL=False)
return kml.kmlResponse()
elif self.format == 'count':
count = self.qs.count()
logger.debug('count = %d', count)
return HttpResponse('%d' % count, content_type='text/plain')
elif self.format == 'help':
helpText = 'Fields: %s\n\nField Lookups: %s' % (fields, self.fieldLookups)
if geomFields:
helpText += '\n\nSpatial and distance Lookups that may be appended to: %s\n\n%s\n\n%s' % (geomFields,
self.distanceLookups, self.spatialLookups)
helpText += '\n\nResponses: %s' % (self.responses,)
response = HttpResponse(helpText, content_type="text/plain")
return response
else:
self.build_html_template()
try:
response = render_to_response(self.html_tmpl_file, {'cols': fields,
'google_analytics_code': settings.GOOGLE_ANALYTICS_CODE },
context_instance = RequestContext(self.request))
except AttributeError:
response = render_to_response(self.html_tmpl_file, {'cols': fields},
context_instance = RequestContext(self.request))
fh = open(self.html_tmpl_path, 'w')
for line in response:
fh.write(line)
fh.close()
return render_to_response(self.html_tmpl_path, {'list': self.qs})
def process_request(self):
"""
Default request processing: Apply any query parameters and get fields for the values. Respond with requested format.
"""
fields = self.getFields()
geomFields = self.getGeomFields()
try:
self.assign_qs()
except EmptyQuerySetException:
raise Http404
if self.stoqs_object_name == "measured_parameter":
# Check if the query contains parametervalue constraints, in which case we need to wrap RawQuerySet in an MPQuerySet
pvConstraints = self.parameterValueConstraints()
if pvConstraints:
mpq = MPQuery(self.request)
pq = PQuery(self.request)
sql = postgresifySQL(str(self.qs.query))
sql = pq.addParameterValuesSelfJoins(sql, pvConstraints, select_items=MPQuery.rest_select_items)
self.qs = MPQuerySet(self.request.META["dbAlias"], sql, MPQuerySet.rest_columns)
else:
self.qs = MPQuerySet(self.request.META["dbAlias"], None, MPQuerySet.rest_columns, qs_mp=self.qs)
# Process request based on format requested
if self.format == "csv" or self.format == "tsv":
response = HttpResponse()
if self.format == "tsv":
response["Content-type"] = "text/tab-separated-values"
response["Content-Disposition"] = "attachment; filename=%s.tsv" % self.stoqs_object_name
writer = csv.writer(response, delimiter="\t")
else:
response["Content-type"] = "text/csv"
response["Content-Disposition"] = "attachment; filename=%s.csv" % self.stoqs_object_name
writer = csv.writer(response)
writer.writerow(fields)
for obj in self.qs:
writer.writerow([obj[f] for f in fields])
return response
elif self.format == "xml":
return HttpResponse(serializers.serialize("xml", self.query_set), "application/xml")
elif self.format == "json":
return HttpResponse(json.dumps(self.qs, cls=encoders.STOQSJSONEncoder), "application/json")
elif self.format == "kml":
kml = KML(self.request, self.qs, self.qparams, self.stoqs_object_name)
return kml.kmlResponse()
elif self.format == "kmln":
kml = KML(
self.request,
self.qs,
self.qparams,
self.stoqs_object_name,
withTimeStamps=False,
withLineStrings=False,
withFullIconURL=False,
)
return kml.kmlResponse()
elif self.format == "count":
count = self.qs.count()
logger.debug("count = %d", count)
return HttpResponse("%d" % count, content_type="text/plain")
elif self.format == "help":
helpText = "Fields: %s\n\nField Lookups: %s" % (fields, self.fieldLookups)
if geomFields:
helpText += "\n\nSpatial and distance Lookups that may be appended to: %s\n\n%s\n\n%s" % (
geomFields,
self.distanceLookups,
self.spatialLookups,
)
helpText += "\n\nResponses: %s" % (self.responses,)
response = HttpResponse(helpText, content_type="text/plain")
return response
else:
self.build_html_template()
response = render_to_response(
self.html_tmpl_file,
{"cols": fields, "google_analytics_code": settings.GOOGLE_ANALYTICS_CODE},
context_instance=RequestContext(self.request),
)
fh = open(self.html_tmpl_path, "w")
for line in response:
fh.write(line)
fh.close()
return render_to_response(self.html_tmpl_path, {"list": self.qs})
def process_request(self):
'''
Default request processing: Apply any query parameters and get fields for the values. Respond with requested format.
'''
fields = self.getFields()
geomFields = self.getGeomFields()
try:
self.assign_qs()
except EmptyQuerySetException:
raise Http404
# A terrible hack to add latitude and longitude columns to the response - must call following assign_qs()
fields = self.add_lon_lat_cols()
if self.stoqs_object_name == 'measured_parameter':
# Check if the query contains parametervalue constraints, in which case we need to wrap RawQuerySet in an MPQuerySet
pvConstraints = self.parameterValueConstraints()
if pvConstraints:
pq = PQuery(self.request)
sql = postgresifySQL(str(self.qs.query))
sql = pq.addParameterValuesSelfJoins(
sql, pvConstraints, select_items=MPQuery.rest_select_items)
self.qs = MPQuerySet(self.request.META['dbAlias'], sql,
MPQuerySet.rest_columns)
else:
self.qs = MPQuerySet(self.request.META['dbAlias'],
None,
MPQuerySet.rest_columns,
qs_mp=self.qs)
# Process request based on format requested
if self.format == 'csv' or self.format == 'tsv':
response = HttpResponse()
if self.format == 'tsv':
response['Content-type'] = 'text/tab-separated-values'
response[
'Content-Disposition'] = 'attachment; filename=%s.tsv' % self.stoqs_object_name
writer = csv.writer(response, delimiter='\t')
else:
response['Content-type'] = 'text/csv'
response[
'Content-Disposition'] = 'attachment; filename=%s.csv' % self.stoqs_object_name
writer = csv.writer(response)
writer.writerow(fields)
for obj in self.qs:
writer.writerow(self.row_of_fields(obj))
return response
elif self.format == 'xml':
return HttpResponse(serializers.serialize('xml', self.query_set),
'application/xml')
elif self.format == 'json':
return HttpResponse(
json.dumps(self.qs, cls=encoders.STOQSJSONEncoder),
'application/json')
elif self.format == 'kml':
kml = KML(self.request, self.qs, self.qparams,
self.stoqs_object_name)
return kml.kmlResponse()
elif self.format == 'kmln':
kml = KML(self.request,
self.qs,
self.qparams,
self.stoqs_object_name,
withTimeStamps=False,
withLineStrings=False,
withFullIconURL=False)
return kml.kmlResponse()
elif self.format == 'count':
count = self.qs.count()
logger.debug('count = %d', count)
return HttpResponse('%d' % count, content_type='text/plain')
elif self.format == 'help':
helpText = 'Fields: %s\n\nField Lookups: %s' % (fields,
self.fieldLookups)
if geomFields:
helpText += '\n\nSpatial and distance Lookups that may be appended to: %s\n\n%s\n\n%s' % (
geomFields, self.distanceLookups, self.spatialLookups)
helpText += '\n\nResponses: %s' % (self.responses, )
response = HttpResponse(helpText, content_type="text/plain")
return response
else:
self.build_html_template()
try:
response = render(self.request,
self.html_tmpl_file,
context={
'cols':
fields,
'google_analytics_code':
settings.GOOGLE_ANALYTICS_CODE
})
except AttributeError:
response = render(self.request,
self.html_tmpl_file,
context={'cols': fields})
fh = open(self.html_tmpl_path, 'w')
for line in response:
# Override Django's default datetime formatting with ISO 8601 format that includes seconds
# STOQS model field names ending in 'timevalue' and 'date' are convertable datetimes
# See: https://docs.djangoproject.com/en/1.11/ref/templates/builtins/#date
line = line.decode("utf-8").replace('timevalue }',
'timevalue|date:"c" }')
line = line.replace('date }', 'date|date:"c" }')
fh.write(line)
fh.close()
return render(self.request,
self.html_tmpl_path,
context={'list': self.qs})