import os,sys,time

def getCCP4I2Dir(up=1):
	target = os.path.join(os.path.realpath(sys.argv[0]),"..")
	abstarget = os.path.abspath(target)
        splittarget = abstarget.split()
        if splittarget.count('ccp4i2'):
          splittarget.reverse()
          up = splittarget.index('ccp4i2')
        while up>0:
          abstarget = os.path.dirname(abstarget)
          up = up -1
        return abstarget

def getUserId():
  name = os.environ.get('LOGNAME',None)
  if name is not None: return name
  name = os.environ.get('USERNAME',None)
  if name is not None: return name
  import getpass
  name = getpass.getuser()
  if name is not None: return name
  try:
    return os.getlogin()
  except:
    return None


if __name__ == '__main__':

    import psutil
    containsList = ['ccp4']
    def contains(exe,containsList):
      if exe is None: return False
      for item in containsList:
        if exe.count(item): return True
      return False
    pInfoDict = {}
    me = getUserId()
    for proc in psutil.process_iter():
      try:
        pinfo = proc.as_dict(attrs=['pid', 'name', 'username','exe','create_time'])
      except psutil.NoSuchProcess:
        pass
      else:
        if pinfo['username'] == me and (len(containsList)==0 or contains(pinfo['exe'],containsList)):
          try:
            pinfo['parent'] = proc.parent().as_dict(attrs=['pid'])['pid']
          except:
            pinfo['parent'] = -1
          pinfo['children'] = []
          for p in proc.children(recursive=True):
            try:
              pinfo['children'].append(p.pid)
            except:
              pass
          #print(pinfo)
          pInfoDict[pinfo['pid']] = pinfo
    print 'processes=',pInfoDict
    print 'atTime='+time.time()