| # Gaudi Framework, version v23r0 |

Home |  | Generated: Mon Jan 30 2012

# gaudirun.py

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    00001 #!/usr/bin/env python
    00002
    00003 #---------------------------------------------------------------------
    00004 if __name__ == "__main__":
    00005     import os, sys
    00006     from optparse import OptionParser
    00007     parser = OptionParser(usage = "%prog [options] <opts_file> ...")
    00008     parser.add_option("-n","--dry-run", action="store_true",
    00009                       help="do not run the application, just parse option files")
    00010     parser.add_option("-p","--pickle-output", action="store", type="string",
    00011                       metavar = "FILE",
    00012                       help="DEPRECATED: use '--output file.pkl' instead. Write "
    00013                            "the parsed options as a pickle file (static option "
    00014                            "file)")
    00015     parser.add_option("-v","--verbose", action="store_true",
    00016                       help="print the parsed options")
    00017     parser.add_option("--old-opts", action="store_true",
    00018                       help="format printed options in old option files style")
    00019     parser.add_option("--all-opts", action="store_true",
    00020                       help="print all the option (even if equal to default)")
    00021     # GaudiPython Parallel Mode Option
    00022     #   Argument must be an integer in range [ -1, sys_cpus ]
    00023     #   -1   : All available cpus
    00024     #    0   : Serial Mode (traditional gaudirun)
    00025     #    n>0 : parallel with n cpus (n <= sys_cpus)
    00026     parser.add_option("--ncpus", action="store", type="int", default=0,
    00027                       help="start the application in parallel mode using NCPUS processes. "
    00028                            "0 => serial mode (default), -1 => use all CPUs")
    00029
    00030     def option_cb(option, opt, value, parser):
    00031         """Add the option line to a list together with its position in the
    00032         argument list.
    00033         """
    00034         parser.values.options.append((len(parser.largs), value))
    00035     parser.add_option("--option", action="callback", callback=option_cb,
    00036                       type = "string", nargs = 1,
    00037                       help="add a single line (Python) option to the configuration. "
    00038                            "All options lines are executed, one after the other, in "
    00039                            "the same context.")
    00040     parser.add_option("--no-conf-user-apply", action="store_true",
    00041                       help="disable the automatic application of configurable "
    00042                            "users (for backward compatibility)")
    00043     parser.add_option("-o", "--output", action = "store", type = "string",
    00044                       help ="dump the configuration to a file. The format of "
    00045                             "the options is determined by the extension of the "
    00046                             "file name: .pkl = pickle, .py = python, .opts = "
    00047                             "old style options. The python format cannot be "
    00048                             "used to run the application and it contains the "
    00049                             "same dictionary printed with -v")
    00050     parser.add_option("--post-option", action="append", type="string",
    00051                       dest="post_options",
    00052                       help="Python options to be executed after the ConfigurableUser "
    00053                            "are applied. "
    00054                            "All options lines are executed, one after the other, in "
    00055                            "the same context.")
    00056     parser.add_option("--debug", action="store_true",
    00057                       help="enable some debug print-out")
    00058     parser.add_option("--printsequence", action="store_true",
    00059                       help="print the sequence")
    00060     if not sys.platform.startswith("win"):
    00061         # This option can be used only on unix platforms
    00062         parser.add_option("-T", "--tcmalloc", action="store_true",
    00063                           help="Use the Google malloc replacement. The environment "
    00064                                "variable TCMALLOCLIB can be used to specify a different "
    00065                                "name for the library (the default is libtcmalloc.so)")
    00066     parser.set_defaults(options = [],
    00067                         tcmalloc = False,
    00068                         ncpus = None)
    00069
    00070     opts, args = parser.parse_args()
    00071
    00072     # Check consistency of options
    00073
    00074     # Parallel Option ---------------------------------------------------------
    00075     from commands import getstatusoutput as gso
    00076     if opts.ncpus != None :
    00077         # try to find the max number of cpus in system (with builtin modules!)
    00078         stat, out = gso('cat /proc/cpuinfo | grep processor | wc -l')
    00079         if stat :
    00080             # command failed, set a default
    00081             sys_cpus = 8
    00082         else :
    00083             sys_cpus = int(out)
    00084         if opts.ncpus < -1 :
    00085             s = "Invalid value : --ncpus must be integer >= -1"
    00086             parser.error( s )
    00087         if opts.ncpus > sys_cpus :
    00088             s = "Invalid value : --ncpus : only %i cpus available"%(sys_cpus)
    00089             parser.error( s )
    00090         if opts.ncpus == 0 :
    00091             # revert to serial version, as if the option was not used.
    00092             opts.ncpus = None
    00093
    00094     # configure the logging
    00095     import logging
    00096     from GaudiKernel.ProcessJobOptions import InstallRootLoggingHandler
    00097
    00098     if opts.old_opts: prefix = "// "
    00099     else: prefix = "# "
    00100     level = logging.INFO
    00101     if opts.debug:
    00102         level = logging.DEBUG
    00103     InstallRootLoggingHandler(prefix, level = level)
    00104     root_logger = logging.getLogger()
    00105
    00106     # tcmalloc support
    00107     if opts.tcmalloc:
    00108         libname = os.environ.get("TCMALLOCLIB", "libtcmalloc.so")
    00109         preload = os.environ.get("LD_PRELOAD", "")
    00110         if libname not in preload:
    00111             if preload:
    00112                 preload += " "
    00113             preload += libname
    00114             os.environ["LD_PRELOAD"] = preload
    00115             logging.info("Restarting with LD_PRELOAD='%s'", preload)
    00116             # remove the --tcmalloc option from the arguments
    00117             args = [ a for a in sys.argv if a != '-T' and not '--tcmalloc'.startswith(a) ]
    00118             os.execv(sys.executable, [sys.executable] + args)
    00119         else:
    00120             logging.warning("Option --tcmalloc ignored because the library %s is "
    00121                             " already in LD_PRELOAD.", libname)
    00122
    00123     if opts.pickle_output:
    00124         if opts.output:
    00125             root_logger.error("Conflicting options: use only --pickle-output or --output")
    00126             sys.exit(1)
    00127         else:
    00128             root_logger.warning("--pickle-output is deprecated, use --output instead")
    00129             opts.output = opts.pickle_output
    00130
    00131     from Gaudi.Main import gaudimain
    00132     c = gaudimain()
    00133
    00134     # Prepare the "configuration script" to parse (like this it is easier than
    00135     # having a list with files and python commands, with an if statements that
    00136     # decides to do importOptions or exec)
    00137     options = [ "importOptions(%r)" % f for f in args ]
    00138     # The option lines are inserted into the list of commands using their
    00139     # position on the command line
    00140     optlines = list(opts.options)
    00141     optlines.reverse() # this allows to avoid to have to care about corrections of the positions
    00142     for pos, l in optlines:
    00143         options.insert(pos,l)
    00144
    00145     # prevent the usage of GaudiPython
    00146     class FakeModule(object):
    00147         def __init__(self, exception):
    00148             self.exception = exception
    00149         def __getattr__(self, *args, **kwargs):
    00150             raise self.exception
    00151     sys.modules["GaudiPython"] = FakeModule(RuntimeError("GaudiPython cannot be used in option files"))
    00152
    00153     # "execute" the configuration script generated (if any)
    00154     if options:
    00155         g = {}
    00156         l = {}
    00157         exec "from Gaudi.Configuration import *" in g, l
    00158         for o in options:
    00159             logging.debug(o)
    00160             exec o in g, l
    00161
    00162     import GaudiKernel.Proxy.Configurable
    00163     if opts.no_conf_user_apply:
    00164         logging.info("Disabling automatic apply of ConfigurableUser")
    00165         # pretend that they have been already applied
    00166         GaudiKernel.Proxy.Configurable._appliedConfigurableUsers_ = True
    00167
    00168     # This need to be done before dumping
    00169     from GaudiKernel.Proxy.Configurable import applyConfigurableUsers
    00170     applyConfigurableUsers()
    00171
    00172     # Options to be processed after applyConfigurableUsers
    00173     if opts.post_options:
    00174         g = {}
    00175         l = {}
    00176         exec "from Gaudi.Configuration import *" in g, l
    00177         for o in opts.post_options:
    00178             logging.debug(o)
    00179             exec o in g, l
    00180
    00181     if opts.verbose:
    00182         c.printconfig(opts.old_opts, opts.all_opts)
    00183     if opts.output:
    00184         c.writeconfig(opts.output, opts.all_opts)
    00185     if opts.printsequence:
    00186         c.printsequence()
    00187
    00188     # re-enable the GaudiPython module
    00189     del sys.modules["GaudiPython"]
    00190
    00191     if not opts.dry_run:
    00192         # Do the real processing
    00193         sys.exit(c.run(opts.ncpus))

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