00001 import sys, os, platform
00002 import optparse
00003
00004 def show_help(option, opt, value, parser):
00005 parser.print_help()
00006 sys.exit(-1)
00007
00008 def interactive_flag(option, opt, value, parser):
00009 pass
00010
00011 def stop():
00012 sys.exit(0)
00013
00014 usage = 'usage: ost [ost options] [script to execute] [script parameters]'
00015 class OstOptionParser(optparse.OptionParser):
00016 def __init__(self, **kwargs):
00017 optparse.OptionParser.__init__(self, **kwargs)
00018 def exit(self, status_code, error_message):
00019 print error_message,
00020 sys.exit(-1)
00021
00022 parser=OstOptionParser(usage=usage,conflict_handler="resolve", prog='ost''')
00023 parser.add_option("-i", "--interactive", action="callback", callback=interactive_flag, help="start interpreter interactively (must be first parameter, ignored otherwise)")
00024 parser.add_option("-h", "--help", action="callback", callback=show_help, help="show this help message and exit")
00025 parser.add_option("-v", "--verbosity_level", action="store", type="int", dest="vlevel", default=2, help="sets the verbosity level [default: %default]")
00026 parser.disable_interspersed_args()
00027 (options, args) = parser.parse_args()
00028
00029 _site_packs='python%d.%d/site-packages' % sys.version_info[0:2]
00030 _base_dir=os.getenv('DNG_ROOT')
00031 sys.path.insert(0, os.path.join(_base_dir, 'lib64', _site_packs))
00032
00033 from ost import SetPrefixPath, GetSharedDataPath, conop
00034
00035 SetPrefixPath(_base_dir)
00036
00037 def _InitRuleBasedProcessor():
00038 compound_lib_path=os.path.join(GetSharedDataPath(), 'compounds.chemlib')
00039 if os.path.exists(compound_lib_path):
00040 compound_lib=conop.CompoundLib.Load(compound_lib_path)
00041 conop.SetDefaultLib(compound_lib)
00042
00043 # switch to rule-based processor, if compound library is available
00044 _InitRuleBasedProcessor()
00045 from ost import *
00046 import ost
00047
00048 import os.path
00049 HistoryFile=os.path.expanduser('~/.ost_history')
00050
00051 # we are not in GUI mode.
00052 gui_mode=False
00053
00054 sys.ps1='ost> '
00055 sys.ps2='..... '
00056 sys.argv=sys.argv[1:]
00057 home = os.getenv('HOME') or os.getenv('USERPROFILE')
00058 _ostrc=os.path.join(home, '.ostrc')
00059 if os.path.exists(_ostrc):
00060 try:
00061 exec(open(_ostrc))
00062 except Exception, e:
00063 print e
00064 PushVerbosityLevel(options.vlevel)
00065
00066 # this should probably only be added when running an interactive shell
00067 sys.path.append(".")
00068
00069 if len(parser.rargs)>0 :
00070 script=parser.rargs[0]
00071 sys_argv_backup=sys.argv
00072 sys.argv=parser.rargs
00073 try:
00074 execfile(script)
00075 finally:
00076 sys.argv=sys_argv_backup
00077
