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Wed, Feb 19, 00:14

ginter
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#!/usr/bin/env python
from Tkinter import *
import thread
import traceback
from pNbody import *
########################################
#
# History class
#
########################################
class History:
'''
History class
'''
def __init__(self,file):
if os.path.isfile(file):
self.f = open(file,'r+')
self.cmds = self.f.readlines()
else:
self.f = open(file,'w')
self.cmds = []
self.file = file
self.index = len(self.cmds)
def add(self,cmd):
self.cmds.append(cmd)
self.f.write('%s\n'%cmd)
self.f.flush()
# force index to be the last index + 1
self.index = len(self.cmds)
def get(self):
return self.cmds[self.index]
def up(self):
if self.index < len(self.cmds)-1:
self.index = self.index + 1
def down(self):
if self.index > 0:
self.index = self.index - 1
def close(self):
self.f.close()
def write(self):
f = open(self.file,'w')
for cmd in self.cmds:
f.write('%s\n'%cmd)
f.close()
########################################
#
# Gcmd class
#
########################################
class Gcmd:
def __init__(self):
self.gather_functions()
if mpi.mpi_IsMaster():
# init history
self.init_hist()
self.root = Tk()
# create frames
self.create_main_frame()
self.create_display_frame(0,2)
self.create_cmdwin_frame(1,0,1,1)
self.create_cmd_frame(0,4,1,1)
self.root.mainloop()
else:
self.WaitForACommand()
def gather_functions(self):
'''
This function gather all available functions of the class
and record it into the dictionary self.allfct
'''
fs = dir(self)
self.allfct = {}
for f in fs:
exec("func = self.%s"%(f)) # here it could be better
if type(func) == types.MethodType:
self.allfct[f] = func
def quit(self,*arg,**kw):
self.BroadcastCmd("quit",arg,kw)
'''
exit function
'''
sys.exit()
def sayhello(self,*arg,**kw):
self.BroadcastCmd("sayhello",arg,kw)
'''
hello function
'''
print "hello, I am proc %d"%(ThisTask)
def WaitForACommand(self,*arg,**kw):
# wait for the command
name = MPI.WORLD.Recv(source = 0)
arg = MPI.WORLD.Recv(source = 0)
kw = MPI.WORLD.Recv(source = 0)
# now, execute the command
apply(self.allfct[name],arg,kw)
# recursive call
self.WaitForACommand() # !!! here, we have the rist to never quit !!!
#thread.start_new_thread(self.WaitForACommand,arg,kw)
def BroadcastCmd(self,name,arg,kw):
if mpi.mpi_IsMaster():
for Task in range(1,NTask):
MPI.WORLD.Send(name, dest = Task)
MPI.WORLD.Send(arg, dest = Task)
MPI.WORLD.Send(kw, dest = Task)
########################################
#
# init
#
########################################
###########################
def init_hist(self):
###########################
'''
init history
'''
self.hist = History(os.path.join(HOME,'.ginterhist'))
########################################
#
# create some frames
#
########################################
###########################
def create_main_frame(self):
###########################
'''
create the main frame
'''
self.main_frame = Frame(self.root,highlightbackground='black')
self.main_frame.pack()
###########################
def create_display_frame(self,x,y):
###########################
'''
create the display frame
'''
self.display_frame = Frame(self.main_frame,bg='black',highlightbackground='black')
self.display_frame.grid(column=x,row=y)
self.canvas1 = Gcan(self.display_frame,height=self.params.get('shape')[1],width=self.params.get('shape')[0],bg="black",highlightbackground='black')
self.canvas1.grid(column=0,row=0)
self.canvas1.init(self.params,root=self,eye='left' ,twin=None)
###########################
def create_cmdwin_frame(self,x,y,dx,dy):
###########################
'''
create the cmdwin frame
'''
self.cmdwin_frame = Frame(self.main_frame,relief=RIDGE,borderwidth=1)
self.cmdwin_frame.grid(column=x,row=y,columnspan=dx,rowspan=dy,sticky=N)
# quit button
self.quitBut = Button(self.cmdwin_frame,text="QUIT",fg="black",width=16,height=2,command=lambda:self.quit())
self.quitBut.grid(column=0,row=0,sticky=E+N+S+W)
# reset button
self.resetBut = Button(self.cmdwin_frame,text="RESET",fg="black",width=16,height=2,command=lambda:self.sayhello())
self.resetBut.grid(column=0,row=1,sticky=E+N+S+W)
###########################
def create_cmd_frame(self,x,y,dx,dy):
###########################
'''
create the cmd frame
'''
def ok(arg):
goodcmd = 1
cmd = self.command_entry.get()
try:
self.execute_command(cmd)
except Exception,message:
print "try to run command = %s"%(cmd)
traceback.print_tb(sys.exc_info()[2])
print message
goodcmd = 0
if goodcmd:
self.hist.add(cmd)
self.command_entry.delete(0,len(self.command_entry.get())+1)
def up(event):
self.hist.down()
cmd = string.strip(self.hist.get())
self.command_entry.delete(0,len(self.command_entry.get())+1)
self.command_entry.insert(INSERT,cmd)
def down(event):
self.hist.up()
cmd = string.strip(self.hist.get())
self.command_entry.delete(0,len(self.command_entry.get())+1)
self.command_entry.insert(INSERT,cmd)
def cancel():
pass
self.cmd_frame = Frame(self.main_frame,relief=RIDGE,borderwidth=1)
self.cmd_frame.grid(column=x,row=y,columnspan=dx,rowspan=dy,sticky=N)
# entry command
self.command_entry = Entry(self.cmd_frame,width=72)
self.command_entry.grid(column=1,row=0,sticky=N+S+E+W)
self.command_entry.bind("<Return>",ok)
self.command_entry.bind("<Down>",down)
self.command_entry.bind("<Up>",up)
###########################
def execute_command(self,*arg,**kw):
###########################
self.BroadcastCmd("execute_command",arg,kw)
'''
execute a command
'''
exec(arg[0])
gcmd = Gcmd()

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