Source Code for Module Ganga.Utility.root

  1  ############################################################################### 
  2  # Ganga Project. http://cern.ch/ganga 
  3  # 
  4  # $Id: root.py,v 1.1 2008-07-17 16:41:01 moscicki Exp $ 
  5  ############################################################################### 
  6   
  7  from Ganga.Utility.Config import getConfig, ConfigError 
  8  from commands import getstatusoutput     
  9  import Ganga.Utility.logging 
 10   
 11  # 
 12  #       MOVED to Ganga/Lib/Root/Root.py 
 13  # 
 14  #config.setDefaultOptions({'location':'/afs/cern.ch/sw/lcg/external/root', 
 15  #                          'version':'5.14.00d', 
 16  #                          'arch':'slc3_ia32_gcc323', 
 17  #                          'path':'', 
 18  #                          'pythonhome':sys.prefix, 
 19  #                          'pythonversion':''}) 
 20   
 21 -def getrootsys(version = None, arch = None): 
 22      rootsys = "" 
 23      try: 
 24          configroot = getConfig('ROOT') 
 25          if version == None: 
 26              rootver = configroot['version'] 
 27          else: 
 28              rootver = str(version) 
 29          if arch == None: 
 30              rootarch = configroot['arch'] 
 31          else: 
 32              rootarch = str(arch) 
 33          if configroot['path']!="": 
 34              rootsys = configroot['path']+"/" 
 35          else: 
 36              rootsys = configroot['location']+"/"+rootver+"/"+rootarch+"/root/" 
 37      except ConfigError: 
 38          pass 
 39      logger.debug("ROOTSYS: %s", rootsys) 
 40           
 41      return rootsys 
 42   
 43 -def getenvrootsys(): 
 44      """Determine and return $ROOTSYS environment variable""" 
 45      import os 
 46      try: 
 47          rootsys = os.environ['ROOTSYS'] 
 48      except KeyError: 
 49          rootsys="" 
 50      return rootsys 
 51   
 52 -def getpythonhome(arch = None, pythonversion=None): 
 53      """Looks for the PYTHONHOME for the particular version and arch""" 
 54      pythonhome = '' 
 55      try: 
 56          #returns a copy 
 57          configroot = getConfig('ROOT').getEffectiveOptions() 
 58          if arch != None: 
 59              configroot['arch'] = arch 
 60          if pythonversion != None: 
 61              configroot['pythonversion'] = pythonversion 
 62          #allow other Root variables to be used in the definition 
 63          pythonhome = configroot['pythonhome'] 
 64          #supports ${foo} type variable expansion 
 65          for k in configroot.keys(): 
 66              pythonhome = pythonhome.replace('${%s}' % k, configroot[k]) 
 67      except ConfigError: 
 68          pass 
 69      logger.debug('PYTHONHOME: %s', pythonhome) 
 70      return pythonhome 
 71   
 72 -def getenvpythonhome(): 
 73      """Deterimin the PYTHONHOME environment variable""" 
 74      import os 
 75      pythonhome = '' 
 76      try: 
 77          pythonhome = os.environ['PYTHONHOME'] 
 78      except KeyError: 
 79          pass 
 80      return pythonhome 
 81   
 82 -def getconfrootsys(): 
 83      """Determine and return ROOTSYS from ganga configuration""" 
 84      return Ganga.Utility.root.getrootsys() 
 85       
 86 -def getrootprefix(rootsys = None): 
 87      """Determine ROOT path and return prefix, 
 88      emtpy if ROOT is not found in path or ERROR, 
 89      else ROOTSYS+LD_LIBRARY_PATH+prefix 
 90      """ 
 91      rc = 0 
 92      if rootsys == None: 
 93          rootsys = Ganga.Utility.root.getconfrootsys() 
 94          if rootsys=="": 
 95              rootsys = Ganga.Utility.root.getenvrootsys() 
 96              if rootsys=="": 
 97                  logger.error("No proper ROOT setup") 
 98                  rc = 1 
 99                   
100      rootprefix = "ROOTSYS="+rootsys+" LD_LIBRARY_PATH="+rootsys+"/lib:$LD_LIBRARY_PATH "+rootsys+"/bin/" 
101      logger.debug("ROOTPREFIX: %s", rootprefix) 
102   
103      return rc, rootprefix 
104   
105 -def checkrootprefix(rootsys = None): 
106      """Check if rootprefix variable holds valid values""" 
107   
108      rc, rootprefix = Ganga.Utility.root.getrootprefix(rootsys) 
109       
110      cmdtest = rootprefix + "root-config --version" 
111      rc, out = getstatusoutput(cmdtest) 
112      if (rc!=0): 
113          logger.error("No proper ROOT setup") 
114          logger.error("%s", out) 
115          return 1 
116      else: 
117          logger.info("ROOT Version: %s", out) 
118          return 0 
119   
120   
121  logger = Ganga.Utility.logging.getLogger() 
122   
123  # $Log: not supported by cvs2svn $ 
124  # Revision 1.8.24.1  2007/10/12 13:56:28  moscicki 
125  # merged with the new configuration subsystem 
126  # 
127  # Revision 1.8.26.1  2007/10/09 13:46:22  roma 
128  # Migration to new Config 
129  # 
130  # Revision 1.8  2007/04/13 11:26:28  moscicki 
131  # root version upgrade to 5.14.00d from Will 
132  # 
133  # Revision 1.7  2007/04/12 10:22:55  moscicki 
134  # root version upgrade to 5.14.00b from Will 
135  # 
136  # Revision 1.6  2007/03/14 12:15:14  moscicki 
137  # patches from Will 
138  # 
139  # Revision 1.5  2006/08/08 14:07:45  moscicki 
140  # config fixes from U.Egede 
141  # 
142  # Revision 1.4  2006/08/01 10:05:59  moscicki 
143  # changes from Ulrik 
144  # 
145  # Revision 1.3  2006/06/21 11:50:23  moscicki 
146  # johannes elmsheuser: 
147  # 
148  # * more modular design and a few extentions 
149  # * get $ROOTSYS from configuration or environment 
150  # 
151  # Revision 1.1  2006/06/13 08:46:56  moscicki 
152  # support for ROOT 
153  # 
154