From 2f74e41cf5706334fcde64ae0e86a33c4fef884f Mon Sep 17 00:00:00 2001
From: Samo Penic <samo.penic@gmail.com>
Date: Sat, 28 May 2016 21:13:20 +0000
Subject: [PATCH] A small fix. If a continuation of simulation with a starting snapshot is requested, the last known vtk from the directory is used as a snapshot.
---
python/trisurf/trisurf.py | 65 ++++++++++++++++++++++++--------
1 files changed, 49 insertions(+), 16 deletions(-)
diff --git a/python/trisurf/trisurf.py b/python/trisurf/trisurf.py
index 4387659..46a3624 100644
--- a/python/trisurf/trisurf.py
+++ b/python/trisurf/trisurf.py
@@ -1,5 +1,3 @@
-#!/usr/bin/python3
-
import configobj
import xml.etree.ElementTree as ET
import base64
@@ -84,6 +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)
@@ -91,6 +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):
@@ -199,13 +201,18 @@
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 read(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.
@@ -324,8 +331,15 @@
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
@@ -352,13 +366,13 @@
else:
try:
with open (os.path.join(self.Dir.fullpath(),"tape"), "w") as myfile:
- myfile.write("#This is automatically generated tape file from snapshot")
- 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))
@@ -368,10 +382,18 @@
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 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):
@@ -383,8 +405,6 @@
print("Process in "+self.Dir.fullpath()+" already running. Not starting.")
return
- def stop(self):
- pass
def setMaindir(self,prefix,variables):
maindir=""
@@ -429,11 +449,24 @@
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()
+ 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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