From 97264e53840b3544fef002d30cb80d6e9942139b Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Wed, 04 Jan 2017 20:26:01 +0000
Subject: [PATCH] Some fixes in python code
---
python/trisurf/trisurf.py | 126 ++++++++++++++++++++++++++++++++++--------
1 files changed, 102 insertions(+), 24 deletions(-)
diff --git a/python/trisurf/trisurf.py b/python/trisurf/trisurf.py
index c57de3e..c175301 100644
--- a/python/trisurf/trisurf.py
+++ b/python/trisurf/trisurf.py
@@ -1,10 +1,8 @@
-#!/usr/bin/python3
-
import configobj
import xml.etree.ElementTree as ET
import base64
import zlib
-import io
+import sys,io
import os
from itertools import islice
import mmap
@@ -13,6 +11,7 @@
import time
import datetime
import subprocess
+import shutil
# Process status
TS_NOLOCK=0 # lock file does not exist
@@ -83,6 +82,9 @@
'''
try:
self.config=configobj.ConfigObj(tape)
+ with open (tape, "r") as myfile:
+ self.rawText=myfile.read() #read the file
+
except:
print("Error reading or parsing tape file!\n")
exit(1)
@@ -90,6 +92,7 @@
def setTape(self, string):
'''Method setTape(string) parses the string in memory that hold the tape contents.'''
self.config=configobj.ConfigObj(io.StringIO(string))
+ self.rawText=string
return
def getValue(self,key):
@@ -198,14 +201,51 @@
Internal method for determining the number of the lines in the most efficient way. Is it really the most efficient?
'''
f = open(self.fullname, "r+")
- buf = mmap.mmap(f.fileno(), 0)
- lines = 0
- readline = buf.readline
- while readline():
- lines += 1
+ try:
+ buf = mmap.mmap(f.fileno(), 0)
+ lines = 0
+ readline = buf.readline
+ while readline():
+ lines += 1
+ f.close()
+ except:
+ lines=0
+ f.close()
return lines
+ def tail(self,filename,n=2):
+ with open(filename,'r') as myfile:
+ lines=myfile.readlines()
+ return [lines[len(lines)-2].replace('\n',''),lines[len(lines)-1].replace('\n','')]
+
def read(self):
+ try:
+ lines=self.tail(self.fullname)
+ except:
+ return(False)
+ if len(lines)<2:
+ return(False)
+ #print (line)
+ fields=shlex.split(lines[0])
+ epoch1=fields[0]
+ n1=fields[1]
+
+ fields=shlex.split(lines[1])
+ 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'))
+ except:
+ return(False)
+ return(True)
+
+ 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.
'''
@@ -286,7 +326,7 @@
version=root.find('trisurfversion')
self.tape=Tape()
self.tape.setTape(tapetxt.text)
-
+
def getPID(self):
self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
#self.Dir.makeifnotexist()
@@ -310,7 +350,7 @@
return int(status)
def isCompleted(self):
- if (int(self.tape.getValue("iterations"))==self.getLastIteration()+1):
+ if int(self.tape.getValue("iterations"))+int(self.tape.getValue("inititer"))==self.getLastIteration()+1:
return True
else:
return False
@@ -323,8 +363,15 @@
return TS_NOLOCK
if(psutil.pid_exists(int(pid))):
proc= psutil.Process(int(pid))
- if proc.name()=="trisurf":
- if proc.status()=="stopped":
+ #psutil.__version__ == '3.4.2' requires name() and status(), some older versions reguire name, status
+ if(psutil.__version__>='2.0.0'):
+ procname=proc.name()
+ procstat=proc.status()
+ else:
+ procname=proc.name
+ procstat=proc.status
+ if procname=="trisurf":
+ if procstat=="stopped":
return TS_STOPPED
else:
return TS_RUNNING
@@ -335,6 +382,10 @@
def start(self):
if(self.getStatus()==0 or self.getStatus()==TS_COMPLETED):
+ #check if executable exists
+ if(shutil.which('trisurf')==None):
+ print("Error. Trisurf executable not found in PATH. Please install trisurf prior to running trisurf manager.")
+ exit(1)
self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
#Symlinks tape file to the directory or create tape file from snapshot in the direcory...
if(self.Dir.makeifnotexist()):
@@ -347,26 +398,34 @@
else:
try:
with open (os.path.join(self.Dir.fullpath(),"tape"), "w") as myfile:
- myfile.write("#This is automatically generated tape file from snapshot\n")
- myfile.write(str(self.tape))
+ #myfile.write("#This is automatically generated tape file from snapshot")
+ myfile.write(str(self.tape.rawText))
except:
print("Error -- cannot make tapefile "+ os.path.join(self.Dir.fullpath(),"tape")+" from the snapshot in the running directory")
exit(1)
try:
- os.symlink(os.path.abspath(self.snapshotFile), os.path.join(self.Dir.fullpath(),self.snapshotFile))
+ os.symlink(os.path.abspath(self.snapshotFile), os.path.join(self.Dir.fullpath(),"initial_snapshot.vtu"))
except:
print("Error while symlinking "+os.path.abspath(self.snapshotFile)+" to "+os.path.join(self.Dir.fullpath(),self.snapshotFile))
#check if the simulation has been completed. in this case notify user and stop executing.
if(self.isCompleted() and ("--force-from-tape" not in self.runArgs) and ("--reset-iteration-count" not in self.runArgs)):
- print("The simulation was completed. Not starting executable at localhost in "+self.Dir.fullpath()+"\n")
+ print("The simulation was completed. Not starting executable in "+self.Dir.fullpath())
return
cwd=Directory(maindir=os.getcwd())
+ lastVTU=self.getLastVTU() #we get last VTU file in case we need to continue the simulation from last snapshot. Need to be done before the Dir.goto() call.
self.Dir.goto()
- print("Starting trisurf-ng executable at localhost in "+self.Dir.fullpath()+"\n")
+ print("Starting trisurf-ng executable in "+self.Dir.fullpath())
if(self.fromSnapshot==True):
- params=["trisurf", "--restore-from-vtk",self.snapshotFile]+self.runArgs
+ #here we try to determine whether we should continue the simulation or start from last known VTU snapshot.
+ if(lastVTU==None):
+ initSnap="initial_snapshot.vtu"
+ else:
+ initSnap=lastVTU
+ print("WARNING: Not using initial snapshot as starting point, but selecting "+initSnap+" as a starting vesicle")
+ params=["trisurf", "--restore-from-vtk",initSnap]+self.runArgs
+ print("InitSnap is: "+initSnap)
else:
#veify if dump exists. If not it is a first run and shoud be run with --force-from-tape
if(os.path.isfile("dump.bin")==False):
@@ -375,17 +434,17 @@
subprocess.Popen (params, stdout=subprocess.DEVNULL)
cwd.goto()
else:
- print("Process already running. Not starting\n")
+ print("Process in "+self.Dir.fullpath()+" already running. Not starting.")
return
- def stop(self):
- pass
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]
maindir=maindir+p+tv
@@ -400,29 +459,48 @@
self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
self.statistics=Statistics(self.Dir.fullpath(), statfile)
self.Comment=FileContent(os.path.join(self.Dir.fullpath(),".comment"))
- pid=self.getPID();
+ 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(status==TS_NONEXISTANT or status==TS_NOLOCK):
statustxt="Not running"
pid=""
+ ETA=""
elif status==TS_STOPPED:
statustxt="Stopped"
+ ETA="N/A"
elif status==TS_COMPLETED:
statustxt="Completed"
+ pid=""
+ ETA=""
else:
statustxt="Running"
if(self.statistics.fileOK):
- report=[time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(int(self.statistics.startDate))),str(datetime.timedelta(microseconds=(int(self.tape.config['iterations'])-int(self.statistics.last))*self.statistics.dT)*1000000), statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
+ 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()]
else:
- report=["N/A","N/A\t",statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
+ report=["N/A","N/A",statustxt, pid, str(self.Dir.fullpath()), self.Comment.getText()]
return report
+
+
+ def stop(self):
+ p=psutil.Process(self.getPID())
+ p.kill()
def writeComment(self, data, mode='w'):
self.Dir=Directory(maindir=self.maindir,simdir=self.subdir)
self.Comment=FileContent(os.path.join(self.Dir.fullpath(),".comment"))
self.Comment.writefile(data,mode=mode)
+
+ def getLastVTU(self):
+ vtuidx=self.getLastIteration()-int(self.tape.getValue("inititer"))
+ if vtuidx<0:
+ return None
+ else:
+ return 'timestep_{:06d}.vtu'.format(vtuidx)
+
def __str__(self):
if(self.getStatus()==0):
str=" not running."
--
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