dsspath.py

from record_type import RecordType

class DssPath:
    """manage parts of DSS path /A/B/C/D/E/F/ 
    condenses D part for timeseries records
    """

    _timeSeriesFamily = [ RecordType.IrregularTimeSeries, RecordType.RegularTimeSeries, RecordType.RegularTimeSeriesProfile ]


    def __init__(self,path,recType):
        """
        path is raw dss pathname
        recType is a RecordType , such as RecordType.RegularTimeSeries
        """
        if path[0]!='/' or path[-1]!= '/':
            raise Exception("Invalid DSS Path: '"+path+"'")
        path = path[1:-1]  # remove beginning and ending '/'
        self.rawPath= path
        
        split_parts = path.split('/')
        if len(split_parts) >= 6:
            self.A, self.B, self.C, self.D, self.E, self.F = split_parts[:6]
        self.recType = recType
        
    def __str__(self):
        return "/"+self.A+"/"+self.B+"/"+self.C+"/"+self.D+"/"+self.E+"/"+self.F+"/"
    
    def pathWithoutDate(self):
        s = "/"+self.A+"/"+self.B+"/"+self.C+"//"+self.E+"/"+self.F+"/"
        rval = DssPath(s,self.recType)
        return rval
    
    def isTimeSeries(self):
        return self.recType in DssPath._timeSeriesFamily
    
    def print(self):
        print("a:"+self.path.A)
        print("b:"+self.path.B)
        print("c:"+self.path.C)
        print("d:"+self.path.D)
        print("e:"+self.path.E)
        print("f:"+self.path.F)