Coverage for python/lsst/ctrl/execute/seqFile.py : 33%

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#!/usr/bin/env python # # LSST Data Management System # Copyright 2008-2016 LSST Corporation. # # This product includes software developed by the # LSST Project (http://www.lsst.org/). # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the LSST License Statement and # the GNU General Public License along with this program. If not, # see <http://www.lsstcorp.org/LegalNotices/>. #
"""Class which can read and increment files used to store sequence numbers """
"""Constructor @param seqFileName file name to operate on """ self.fileName = envString.resolve(seqFileName)
"""Produce the next sequence number. @return a sequence number """ seq = 0 if not os.path.exists(self.fileName): self.writeSeq(seq) else: seq = self.readSeq() seq += 1 self.writeSeq(seq) return seq
"""Read a sequence number @return a sequence number """ with open(self.fileName) as seqFile: line = seqFile.read() seq = int(line) seqFile.close() return seq
"""Write a sequence number """ with open(self.fileName, 'w') as seqFile: print(seq, file=seqFile) seqFile.close() |