--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright (C) 2002 Cluster File Systems, Inc.
+# Author: Robert Read <rread@clusterfs.com>
+# This file is part of Lustre, http://www.lustre.org.
+#
+# Lustre is free software; you can redistribute it and/or
+# modify it under the terms of version 2 of the GNU General Public
+# License as published by the Free Software Foundation.
+#
+# Lustre 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 GNU General Public License
+# along with Lustre; if not, write to the Free Software
+# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+#
+
+# Standard the comand line handling for all the python tools.
+
+import sys, getopt, types
+import string
+import error
+
+class Options:
+ FLAG = 1
+ PARAM = 2
+ INTPARAM = 3
+ PARAMLIST = 4
+ def __init__(self, cmd, remain_help, options):
+ self.options = options
+ shorts = ""
+ longs = []
+ options.append(('help,h', "Print this help"))
+ for opt in options:
+ long = self.long(opt)
+ short = self.short(opt)
+ if self.type(opt) in (Options.PARAM, Options.INTPARAM,
+ Options.PARAMLIST):
+ if short: short = short + ':'
+ if long:
+ long = long + '='
+ if string.find(long, '_') >= 0:
+ longs.append(string.replace(long, '_', '-'))
+ shorts = shorts + short
+ longs.append(long)
+ self.short_opts = shorts
+ self.long_opts = longs
+ self.cmd = cmd
+ self.remain_help = remain_help
+
+ def init_values(self):
+ values = {}
+ for opt in self.options:
+ values[self.key(opt)] = self.default(opt)
+ return values
+
+ def long(self, option):
+ n = string.find(option[0], ',')
+ if n < 0: return option[0]
+ else: return option[0][0:n]
+
+ def key(self, option):
+ key = self.long(option)
+ return string.replace(key, '-', '_')
+
+ def short(self, option):
+ n = string.find(option[0], ',')
+ if n < 0: return ''
+ else: return option[0][n+1:]
+
+ def help(self, option):
+ return option[1]
+
+ def type(self, option):
+ if len(option) >= 3:
+ return option[2]
+ return Options.FLAG
+
+ def default(self, option):
+ if len(option) >= 4:
+ return option[3]
+ if self.type(option) == Options.PARAMLIST:
+ return []
+ return None
+
+ def lookup_option(self, key, key_func):
+ for opt in self.options:
+ if key_func(opt) == key:
+ return opt
+
+ def lookup_short(self, key):
+ return self.lookup_option(key, self.short)
+
+ def lookup_long(self, key):
+ key = string.replace(key, '-', '_')
+ return self.lookup_option(key, self.long)
+
+ def handle_opts(self, opts):
+ values = self.init_values()
+ for o, a in opts:
+ if o[0:2] != '--':
+ option = self.lookup_short(o[1:])
+ else:
+ option = self.lookup_long(o[2:])
+ if self.type(option) == Options.PARAM:
+ val = a
+ elif self.type(option) == Options.INTPARAM:
+ try:
+ val = int(a)
+ except ValueError, e:
+ raise error.OptionError("option: '%s' expects integer value, got '%s' " % (o,a))
+ elif self.type(option) == Options.PARAMLIST:
+ val = values[self.key(option)];
+ val.append(a)
+ else:
+ val = 1
+ values[self.key(option)] = val
+ return values
+
+
+ class option_wrapper:
+ def __init__(self, values):
+ self.__dict__['values'] = values
+ def __getattr__(self, name):
+ if self.values.has_key(name):
+ return self.values[name]
+ else:
+ raise error.OptionError("bad option name: " + name)
+ def __getitem__(self, name):
+ if self.values.has_key(name):
+ return self.values[name]
+ else:
+ raise error.OptionError("bad option name: " + name)
+ def __setattr__(self, name, value):
+ self.values[name] = value
+
+ def parse(self, argv):
+ try:
+ opts, args = getopt.getopt(argv, self.short_opts, self.long_opts)
+ values = self.handle_opts(opts)
+ if values["help"]:
+ self.usage()
+ sys.exit(0)
+ return self.option_wrapper(values), args
+ except getopt.error, e:
+ raise error.OptionError(str(e))
+
+ def usage(self):
+ ret = 'usage: %s [options] %s\n' % (self.cmd, self.remain_help)
+ for opt in self.options:
+ s = self.short(opt)
+ if s: str = "-%s|--%s" % (s,self.long(opt))
+ else: str = "--%s" % (self.long(opt),)
+ if self.type(opt) in (Options.PARAM, Options.INTPARAM):
+ str = "%s <arg>" % (str,)
+ help = self.help(opt)
+ n = string.find(help, '\n')
+ if self.default(opt) != None:
+ if n < 0:
+ str = "%-15s %s (default=%s)" %(str, help,
+ self.default(opt))
+ else:
+ str = "%-15s %s (default=%s)%s" %(str, help[0:n],
+ self.default(opt),
+ help[n:])
+ else:
+ str = "%-15s %s" %(str, help)
+ ret = ret + str + "\n"
+ print ret
+
+# Test driver
+if __name__ == "__main__":
+ cl = Options("test", "xml_file", [
+ ('verbose,v', "verbose ", Options.FLAG, 0),
+ ('cleanup,d', "shutdown"),
+ ('gdb', "Display gdb module file ", Options.FLAG, 0),
+ ('device', "device path ", Options.PARAM),
+ ('ldapurl', "LDAP server URL ", Options.PARAM),
+ ('lustre', "Lustre source dir ", Options.PARAM),
+ ('portals', "Portals source dir ", Options.PARAM),
+ ('maxlevel', """Specify the maximum level
+ Levels are aproximatly like:
+ 70 - mountpoint, echo_client, osc, mdc, lov""",
+ Options.INTPARAM, 100),
+
+ ])
+
+ conf, args = cl.parse(sys.argv[1:])
+
+ for key in conf.values.keys():
+ print "%-10s = %s" % (key, conf.values[key])
git://git.whamcloud.com / fs / lustre-release.git / blobdiff