Python wrapper for running instances of trisurf-ng
Samo Penic
2019-07-15 7f64589f9f172b7965a086bcceed8c47a51daca7
trisurf/trisurf.py
@@ -20,6 +20,9 @@
TS_RUNNING=2 # process is running
TS_COMPLETED=3 #simulation is completed
#namespace variable. Seems the best place to put the variable in :)
_analysis_list={}
class FileContent:
   '''
   Class is helpful for reading and writting the specific files.
@@ -186,7 +189,6 @@
      self.path=path
      self.filename=filename
      self.fullname=os.path.join(path,filename)
      self.fileOK=self.read()
      return
   def exists(self):
@@ -196,7 +198,7 @@
      else:
         return False
   def mapcount(self):
   def lineCount(self):
      '''
      Internal method for determining the number of the lines in the most efficient way. Is it really the most efficient?
      '''
@@ -213,19 +215,26 @@
         f.close()
      return lines
   def tail(self,filename,n=2):
      with open(filename,'r') as myfile:
   def tail(self):
      with open(self.fullname,'r') as myfile:
         lines=myfile.readlines()
      return [lines[len(lines)-2].replace('\n',''),lines[len(lines)-1].replace('\n','')]
   def read(self):
   def checkFileValidity(self):
      try:
         lines=self.tail(self.fullname)
         lines=self.tail()
      except:
         return(False)
      if len(lines)<2:
         return(False)
      #print (line)
      return(True)
   def getSimulationDeltaTime(self):
      try:
         lines=self.tail()
      except:
         return 0
      fields=shlex.split(lines[0])
      epoch1=fields[0]
      n1=fields[1]
@@ -234,61 +243,59 @@
      epoch2=fields[0]
      n2=fields[1]
      try:
         self.dT=int(epoch2)-int(epoch1)
         self.last=n2
         #print(epoch1)
         #print(epoch2)
         #print(self.dT)
         #print(self.last)
         self.startDate=os.path.getmtime(os.path.join(self.path,'.lock'))
         dT=int(epoch2)-int(epoch1)
      except:
         return(False)
      return(True)
         return 0
      return dT
   def getLastIterationInStatistics(self):
      try:
         lines=self.tail()
      except:
         return 0
      fields=shlex.split(lines[0])
      epoch1=fields[0]
      n1=fields[1]
      fields=shlex.split(lines[1])
      epoch2=fields[0]
      return (fields[1])
   def getColumn(self,n=0):
      lines=self.readText().splitlines()
      col=[]
      name=lines[0].split()[n]
      for line in lines:
         col.append(line.split()[n])
      return col[2:],name
   def getTable(self):
      lines=self.readText().splitlines()
      keys=lines[0].split()
      table={}
      def num(s):
         try:
            return int(s)
         except ValueError:
            return float(s)
      for key in keys:
         table[key]=[]
      for line in lines:
         fields=line.split()
         for i in range(0,len(keys)):
            try:
               value=num(fields[i])
               table[keys[i]].append(value)
            except:
               pass
      return table
   def readText(self):
      with open(self.fullname, 'r+') as fin:
         cont=fin.read()
      return cont
   def read_old(self):
      '''
      Method read() reads the statistics if it exists. It sets local variable dT storing the time differential between two intervals of simulation (outer loops). It also stores last simulation loop and the start of the run.
      '''
      if(self.exists()):
      #   epoch1=0
      #   epoch2=0
      #   n1=0
      #   n2=0
         nlines=self.mapcount()
         if nlines<2:
            return(False)
         try:
            with open(self.fullname, "r+") as fin:
               i=0;
               for line in fin:
                  if(i==1):
                     #print (line)
                     fields=shlex.split(line)
                     epoch1=fields[0]
                     n1=fields[1]
                  if(i==nlines-1):
                     fields=shlex.split(line)
                     epoch2=fields[0]
                     n2=fields[1]
                  i=i+1
         except:
            #print("Cannot read statistics file in "+self.fullname+"\n")
            return(False)
      else:
         #print("File "+self.fullname+" does not exists.\n")
         return(False)
      try:
         self.dT=(int(epoch2)-int(epoch1))/(int(n2)-int(n1))
      except:
         self.dT=0
      self.last=n2
      self.startDate=epoch1
      return(True)
   def __str__(self):
      '''
@@ -365,6 +372,13 @@
         return True
      else:
         return False
   def getStartTime(self):
      try:
         return os.path.getmtime(os.path.join(self.Dir.fullpath(),'.lock'))
      except:
         return -1
   def getStatus(self):
      pid=self.getPID()
@@ -451,12 +465,7 @@
   def setMaindir(self,prefix,variables):
      maindir=""
      for p,v in zip(prefix,variables):
         if(v=="xk0"):
            tv=str(round(float(self.Tape.config[v])))
            if sys.version_info<(3,0):
               tv=str(int(float(self.Tape.config[v])))
         else:
            tv=self.Tape.config[v]
         tv=str(self.Tape.config[v])
         maindir=maindir+p+tv
      self.maindir=maindir
      return
@@ -469,8 +478,8 @@
      self.Comment=FileContent(os.path.join(self.Dir.fullpath(),".comment"))
      pid=self.getPID()
      status=self.getStatus()
      if(self.Statistics.fileOK):
         ETA=str(datetime.timedelta(microseconds=(int(self.Tape.config['iterations'])-int(self.Statistics.last))*self.Statistics.dT)*1000000)
      if(self.Statistics.checkFileValidity()):
         ETA=str(datetime.timedelta(microseconds=(int(self.Tape.config['iterations'])-int(self.Statistics.getLastIterationInStatistics()))*self.Statistics.getSimulationDeltaTime())*1000000)
      if(status==TS_NONEXISTANT or status==TS_NOLOCK):
         statustxt="Not running"
         pid=""
@@ -485,8 +494,8 @@
      else:
         statustxt="Running"
      if(self.Statistics.fileOK):
         report=[time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(self.Statistics.startDate))),ETA, statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
      if(self.Statistics.checkFileValidity()):
         report=[time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(self.getStartTime()))),ETA, statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
      else:
         report=["N/A","N/A",statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
      return report
@@ -505,13 +514,24 @@
      self.Comment.writefile(data,mode=mode)
   def getLastVTU(self):
   def getLastVTUold(self):
      vtuidx=self.getLastIteration()-int(self.Tape.getValue("inititer"))
      if vtuidx<0:
         return None
      else:
         return  'timestep_{:06d}.vtu'.format(vtuidx)
   def getLastVTU(self):
      flist=[]
      for file in os.listdir(self.Dir.fullpath()):
         if file.endswith(".vtu"):
            flist.append(file)
      flist.sort()
      if(len(flist)==0):
         return(-1)
      else:
         return(flist[-1])
   def __str__(self):
      if(self.getStatus()==0):
         str=" not running."