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from django.core import serializers
from models import Equation, Variable, Symbol
from django.http import HttpResponse
def all_vars(request):
data = serializers.serialize("json", Variable.objects.all())
return HttpResponse(data, mimetype="text/javascript")
def all_symbs(request):
data = serializers.serialize("json", Symbol.objects.all())
return HttpResponse(data, mimetype="text/javascript")
def equs_by_vars(request, whichvars):
vars = whichvars.split(',')
if len(vars) < 1 or whichvars == '':
return HttpResponse('[]', mimetype="text/javascript")
if vars[-1] == '/' or vars[-1] == '':
vars = vars[:-1]
returnables = Equation.objects.filter(variables=vars[0])
if len(vars) > 1:
for r in returnables:
for i in vars[1:]:
if len(r.variables.filter(id=i)) == 0:
returnables = returnables.exclude(id=r.id)
if len(returnables) < 1:
break
data = serializers.serialize("json", returnables)
return HttpResponse(data, mimetype="text/javascript")
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