def __init__()

in tools/server-side/svn-backup-dumps.py [0:0]

• 75 lines of code
• 24 McCabe index (conditional complexity)

    def __init__(self, options, args):
        # need 3 args: progname, reposname, dumpdir
        if len(args) != 3:
            if len(args) < 3:
                raise SvnBackupException("too few arguments, specify"
                                         " repospath and dumpdir.\nuse -h or"
                                         " --help option to see help.")
            else:
                raise SvnBackupException("too many arguments, specify"
                                         " repospath and dumpdir only.\nuse"
                                         " -h or --help option to see help.")
        self.__repospath = args[1]
        self.__dumpdir = args[2]
        # check repospath
        rpathparts = os.path.split(self.__repospath)
        if len(rpathparts[1]) == 0:
            # repospath without trailing slash
            self.__repospath = rpathparts[0]
        if not os.path.exists(self.__repospath):
            raise SvnBackupException("repos '%s' does not exist." % self.__repospath)
        if not os.path.isdir(self.__repospath):
            raise SvnBackupException("repos '%s' is not a directory." % self.__repospath)
        for subdir in [ "db", "conf", "hooks" ]:
            dir = os.path.join(self.__repospath, subdir)
            if not os.path.isdir(dir):
                raise SvnBackupException("repos '%s' is not a repository." % self.__repospath)
        rpathparts = os.path.split(self.__repospath)
        self.__reposname = rpathparts[1]
        if self.__reposname in [ "", ".", ".." ]:
            raise SvnBackupException("couldn't extract repos name from '%s'." % self.__repospath)
        # check dumpdir
        if not os.path.exists(self.__dumpdir):
            raise SvnBackupException("dumpdir '%s' does not exist." % self.__dumpdir)
        elif not os.path.isdir(self.__dumpdir):
            raise SvnBackupException("dumpdir '%s' is not a directory." % self.__dumpdir)
        # set options
        self.__rev_nr = options.rev
        self.__count = options.cnt
        self.__quiet = options.quiet
        self.__deltas = options.deltas
        self.__relative_incremental = options.relative_incremental

        # svnadmin/svnlook path
        self.__svnadmin_path = "svnadmin"
        if options.svnadmin_path:
           self.__svnadmin_path = options.svnadmin_path
        self.__svnlook_path = "svnlook"
        if options.svnlook_path:
           self.__svnlook_path = options.svnlook_path

        # check compress option
        self.__gzip_path  = options.gzip_path
        self.__bzip2_path = options.bzip2_path
        self.__zip        = None
        compress_options  = 0
        if options.gzip_path  != None:
            compress_options = compress_options + 1
        if options.bzip2_path != None:
            compress_options = compress_options + 1
        if options.bzip2:
            compress_options = compress_options + 1
            self.__zip = "bzip2"
        if options.gzip:
            compress_options = compress_options + 1
            self.__zip = "gzip"
        if compress_options > 1:
            raise SvnBackupException("--bzip2-path, --gzip-path, -b, -z are "
                                     "mutually exclusive.")

        self.__overwrite = False
        self.__overwrite_all = False
        if options.overwrite > 0:
            self.__overwrite = True
        if options.overwrite > 1:
            self.__overwrite_all = True
        self.__transfer = None
        if options.transfer != None:
            self.__transfer = options.transfer.split(":")
            if len(self.__transfer) != 5:
                if len(self.__transfer) < 5:
                    raise SvnBackupException("too few fields for transfer '%s'." % self.__transfer)
                else:
                    raise SvnBackupException("too many fields for transfer '%s'." % self.__transfer)
            if self.__transfer[0] not in [ "ftp", "smb" ]:
                raise SvnBackupException("unknown transfer method '%s'." % self.__transfer[0])