# 46,102,47,103,urn:ogc:def:crs:EPSG:6.6:4326,2

#    LOGIC TREE:
#        1) Do we have an URI (something with ':' )
#            YES:
#                Get URI set to CRS
#                Is there a number in interval [1-4] after ?
#                YES:
#                    number is dimension
#                NO:
#                    pass
#            NO:
#                Assume EPSG:4326
#            Pop CRS/Dimension
#        2) Number of numbers remaining
#            split into 2 (lower and upper conner)
#            Is dimension set:
#            YES:
#                pass
#            NO:
#                Get number of dimensions from len/2
#

testStr="46,102,47,56,urn:ogc:def:crs:EPSG:6.6:4326,2"
testList=testStr.split(",")
crsStr=None
dimensions=None
crsIndex=[idx for idx,item in enumerate(testList) if ':' in item]
if len(crsIndex)>0:
    crsStr=testList[crsIndex[0]]
    #is there something after crs
    try:
        dimensions=int(testList[crsIndex[0]+1])
    except:
        pass #try to get dimension from the rest string
    #remove CRS and DIM
    testList=testList[:crsIndex[0]]
else:
    crsStr="EPSG:4326"
if type(dimensions) is type(None):
    dimensions=int(len(testList)/2)

lowerList=testList[:dimensions]
upperList=testList[dimensions:]

print lowerList
print upperList
print crsStr
print dimensions