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Lerking
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@@ -0,0 +1,34 @@
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import multiprocessing as mp
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import random
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import string
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random.seed(123)
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# Define an output queue
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output = mp.Queue()
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# define a example function
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def rand_string(length, output):
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""" Generates a random string of numbers, lower- and uppercase chars. """
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rand_str = ''.join(random.choice(
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string.ascii_lowercase
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+ string.ascii_uppercase
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+ string.digits)
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for i in range(length))
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output.put(rand_str)
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# Setup a list of processes that we want to run
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processes = [mp.Process(target=rand_string, args=(5, output)) for x in range(4)]
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# Run processes
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for p in processes:
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p.start()
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# Exit the completed processes
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for p in processes:
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p.join()
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# Get process results from the output queue
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results = [output.get() for p in processes]
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print(results)
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@@ -0,0 +1,29 @@
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import time
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from multiprocessing import Process, Value, Lock
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class Counter(object):
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def __init__(self, initval=0):
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self.val = Value('i', initval)
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self.lock = Lock()
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def increment(self):
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with self.lock:
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self.val.value += 1
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def value(self):
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with self.lock:
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return self.val.value
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def func(counter):
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for i in range(50):
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time.sleep(0.01)
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counter.increment()
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if __name__ == '__main__':
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counter = Counter(0)
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procs = [Process(target=func, args=(counter,)) for i in range(10)]
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for p in procs: p.start()
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for p in procs: p.join()
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print (counter.value())
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@@ -0,0 +1,40 @@
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import tkinter as tk
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from tkinter import ttk
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import tkinter.messagebox
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import time # to simulate long-running function
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from threading import Thread
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class RedactionSolutions:
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def __init__(self, master):
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tk.Button(master, text="Run RS Wizard", fg='green', command=self.run).grid(row=5)
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def long_running_function(self):
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#self.working = tk.Label(root, text='In Progress. Please Wait...')
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self.working = ttk.Progressbar(root, orient='horizontal', mode='determinate')
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self.working.config(value=0, maximum=10)
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self.working.grid(row=6, columnspan=2)
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for x in range(10):
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print(x)
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self.working.config(value=x)
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time.sleep(1)
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restart = tkinter.messagebox.askquestion('RS Wizard', 'Redaction complete! See file location for result.\nWould you like to redact another file?')
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if restart == 'yes':
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#self.reset()
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self.working.grid_forget()
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else:
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root.destroy()
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def run(self):
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Thread(target=self.long_running_function).start()
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root = tk.Tk()
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root.wm_title("RS Wizard")
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RedactionSolutions(root)
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root.mainloop()
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@@ -0,0 +1 @@
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/data_2/Projects/h2inc/multiprocessing_test.py
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@@ -0,0 +1,314 @@
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#!/usr/bin/env python3.5
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# You are free to use and/or change this code for
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# your own needs.
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# Original code (c)2018 Jan Lerking
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# Program to test various scenarios of
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# single thread, multi thread, pool and process
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import os
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import sys
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import multiprocessing as mp
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import time
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import io
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import cpuinfo
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import queue
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import threading
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import time
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import random
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import string
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import shutil
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from tkinter import Tk, ttk, Label, Button, LabelFrame
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from tkinter import filedialog, Entry, Checkbutton
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from tkinter import Grid, StringVar, DoubleVar
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from tkinter import N, E, S, W
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from tkinter import DISABLED, NORMAL
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from os import errno
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import os
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from os.path import expanduser
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import platform
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class file_progress:
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def __init__(self, master):
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self.sourcedir = StringVar()
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self.destdir = StringVar()
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self.addinc = StringVar()
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self.cfilevar = DoubleVar()
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self.totalvar = 0
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self.filecnt = 0
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self.infofolder = 'Number of folders: 0'
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self.infofile = 'Number of headers: 0'
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self.currentfile = 'Current file: '
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self.totprogress = 'Total progress: '
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self.sourcedir.set('Select source directory!')
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self.destdir.set('Select destination directory!')
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self.master = master
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self.master.title('File progress')
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self.master.grid_columnconfigure(1, weight=1)
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self.frame = LabelFrame(master, text='Progress')
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self.frame.grid(row=0, column=0, columnspan=3, sticky=N+S+E+W, padx=5, pady=5)
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self.frame.grid_columnconfigure(1, weight=1)
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self.totallabel = Label(self.frame, text=self.totprogress)
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self.totallabel.grid(row=8, column=0, sticky=W, padx=5, pady=5)
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self.totallabel.config(state=DISABLED)
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self.totalprogress = ttk.Progressbar(self.frame, orient='horizontal', mode='determinate')
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self.totalprogress.grid(row=9, column=0, columnspan=3, sticky=N+S+E+W, padx=5, pady=5)
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self.totalprogress.config(variable=self.totalvar, maximum=self.filecnt)
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def select_sourcedir(self, sourcedir):
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root.directory = os.path.abspath(filedialog.askdirectory())
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if root.directory:
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sourcedir.set(root.directory)
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filecnt = sourcedir_filecnt(root.directory)
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if filecnt > 0:
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tempstr = 'Number of headers: '+str(filecnt)
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temptot = 'Total progress: 0 of '+str(filecnt)
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print ('Source directory: ', sourcedir.get())
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self.destlabel.config(state=NORMAL)
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self.destentry.config(state=NORMAL)
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self.destdir_button.config(state=NORMAL)
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self.infofiles.config(text=tempstr)
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self.totallabel.config(text=temptot)
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self.filecnt = filecnt
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foldercnt = sourcedir_foldercnt(root.directory)
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if foldercnt > 0:
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tempstr = 'Number of folders: '+str(foldercnt)
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self.infofolders.config(text=tempstr)
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def select_destdir(self, destdir):
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root.directory = filedialog.askdirectory()
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if root.directory:
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destdir.set(root.directory)
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print ('Destination directory: ', destdir.get())
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self.incchkbox.config(state=NORMAL)
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self.infofolders.config(state=NORMAL)
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self.infofiles.config(state=NORMAL)
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self.translate_button.config(state=NORMAL)
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self.cfilelabel.config(state=NORMAL)
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self.totallabel.config(state=NORMAL)
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def translate(self, destdir, sourcedir, addinc):
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doinc = addinc.get()
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dest = destdir.get()
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source = sourcedir.get()
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if doinc == 'yes':
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dest = dest+'/include'
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print(os.path.exists(os.path.dirname(dest)))
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if not os.path.exists(os.path.dirname(dest)):
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try:
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os.makedirs(os.path.dirname(dest))
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except OSError as exc: # Guard against race condition
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if exc.errno != errno.EEXIST:
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raise
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destdir.set(dest)
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print ('Destination directory: ', destdir.get())
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process_files(source, dest)
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def cfileprogress_update(cnt):
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self.cfilevar = cnt
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def currentfile_update(current):
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self.currentfile = 'Current file: '+current
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root = Tk()
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root.update()
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#root.minsize(350, 210)
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#width = (root.winfo_screenwidth()/2)-(350/2)
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#height = (root.winfo_screenheight()/2)-(210/2)
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#root.geometry('+%d+%d' % (width, height))
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root.resizable(False, False)
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f_progress = file_progress(root)
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root.mainloop()
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cpu_info = cpuinfo.get_cpu_info()
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num_cores = mp.cpu_count()
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print(num_cores)
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filelist = []
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exitFlag = 0
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queueLock = threading.Lock()
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workQueue = queue.Queue(0)
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threads = []
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class myThread (threading.Thread):
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def __init__(self, threadID, name, q):
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threading.Thread.__init__(self)
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self.threadID = threadID
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self.name = name
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self.q = q
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def run(self):
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print ("Starting " + self.name)
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process_data(self.name, self.q)
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print ("Exiting " + self.name)
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def process_data(threadName, q):
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while not exitFlag:
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queueLock.acquire()
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if not workQueue.empty():
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data = q.get()
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process_file(data)
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queueLock.release()
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print ("%s processing %s" % (threadName, data))
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else:
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queueLock.release()
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time.sleep(1)
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def sourcedir_filecnt(sourcedir):
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### Return the number of files, ending with '.h', in sourcedir - including subdirectories ###
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cnt = 0
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global filelist
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for folderName, subfolders, files in os.walk(sourcedir):
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for file in files:
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if file.lower().endswith('.h'):
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cnt += 1
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filelist += [folderName+'/'+file]
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return cnt
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def process_files(sourcedir, destdir):
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global filelist
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for f in filelist:
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process_file(f)
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def process_file(data):
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outfile = ''
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inputfile = data
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encodings = ['utf-8', 'latin-1', 'windows-1250', 'windows-1252', 'ascii',
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'big5', 'big5hkscs', 'cp037', 'cp273', 'cp424', 'cp437', 'cp500',
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'cp720', 'cp737', 'cp775', 'cp850', 'cp852', 'cp855', 'cp856',
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'cp857', 'cp858', 'cp860', 'cp861', 'cp862', 'cp863', 'cp864', 'cp865',
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'cp866', 'cp869', 'cp874', 'cp875', 'cp932', 'cp949', 'cp950', 'cp1006',
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'cp1026', 'cp1125', 'cp1140', 'cp1250', 'cp1251', 'cp1252', 'cp1253', 'cp1254',
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'cp1255', 'cp1256', 'cp1257', 'cp1258', 'cp65001', 'euc-jp', 'euc-jis-2004',
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'euc-jisx0213', 'euc-kr', 'gb2312', 'gbk', 'gb18030', 'hz', 'iso2022-jp',
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'iso2022-jp-1', 'iso2022-jp-2', 'iso2022-jp-2004', 'iso2022-jp-3',
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'iso2022-jp-ext', 'iso2022-kr', 'iso8859-2', 'iso8859-3', 'iso8859-4',
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'iso8859-5', 'iso8859-6', 'iso8859-7', 'iso8859-8', 'iso8859-9', 'iso8859-10',
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'iso8859-11', 'iso8859-13', 'iso8859-14', 'iso8859-15', 'iso8859-16', 'johab',
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'koi8-r', 'koi8-t', 'koi8-u', 'kz1048', 'mac-cyrillic', 'mac-greek',
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'mac-iceland', 'mac-latin2', 'mac-roman', 'mac-turkish', 'ptcp154',
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'shift-jis', 'shift-jis-2004', 'shift-jisx0213', 'utf-32', 'utf-32-be',
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'utf-32-le', 'utf-16', 'utf-16-be', 'utf-16-le', 'utf-7', 'utf-8-sig']
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for e in encodings:
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try:
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fh = io.open(data, 'r', encoding=e)
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fh.readlines()
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fh.seek(0)
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except UnicodeDecodeError:
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print('got unicode error with %s , trying different encoding' % e)
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else:
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#print('opening the file with encoding: %s ' % e)
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break
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#print(os.path.basename(data))
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for lines in fh:
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outfile = outfile+lines
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fh.close()
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outputfile = os.path.splitext(inputfile)[0]+'.inc'
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outputfile = str(outputfile).replace(sourcedir, destdir)
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#print(outputfile)
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if not os.path.exists(os.path.dirname(outputfile)):
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try:
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os.makedirs(os.path.dirname(outputfile))
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except OSError as exc: # Guard against race condition
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if exc.errno != errno.EEXIST:
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raise
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newfile = open(outputfile, "w")
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newfile.write(outfile)
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newfile.close()
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def single_thread():
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t1 = time.time()
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cnt = sourcedir_filecnt(sourcedir)
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print('Files in: '+str(cnt))
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process_files(sourcedir, destdir)
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print('Single thread process time: '+str(time.time()-t1))
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def multi_thread():
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global filelist
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global exitFlag
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t1 = time.time()
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cnt = sourcedir_filecnt(sourcedir)
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threadList = ["thread 1", "thread 2", "thread 3", "thread 4", "thread 5"]
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nameList = filelist
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threadID = 0
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# Create new threads
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for tName in threadList:
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thread = myThread(threadID, tName, workQueue)
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thread.start()
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threads.append(thread)
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threadID += 1
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# Fill the queue
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queueLock.acquire()
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for word in nameList:
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workQueue.put(word)
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queueLock.release()
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# Wait for queue to empty
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while not workQueue.empty():
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pass
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# Notify threads it's time to exit
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exitFlag = 1
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# Wait for all threads to complete
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for t in threads:
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t.join()
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print ("Exiting Main Thread")
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print('Files in: '+str(cnt))
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print('Multi thread process time: '+str(time.time()-t1))
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def async_process(num):
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t1 = time.time()
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cnt = sourcedir_filecnt(sourcedir)
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pool = mp.Pool(processes=num)
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#[pool.apply_async(process_file, args=(f,)) for f in filelist]
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pool.map(process_file, filelist)
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#output = [p.get() for p in results]
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#print(output)
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# Setup a list of processes that we want to run
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#processes = [mp.Process(target=rand_string, args=(5, output)) for x in range(8)]
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#processes = [mp.Process(target=process_files, args=(sourcedir, destdir)) for x in range(num)]
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# Run processes
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#for p in processes:
|
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#p.start()
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||||
|
||||
# Exit the completed processes
|
||||
#for p in processes:
|
||||
#p.join()
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||||
|
||||
# Get process results from the output queue
|
||||
#results = [output.get() for p in processes]
|
||||
|
||||
#print(results)
|
||||
print('Files in: '+str(cnt))
|
||||
print('Multi ('+str(num)+') processes time: '+str(time.time()-t1))
|
||||
|
||||
def cleanup(dest):
|
||||
shutil.rmtree(dest)
|
||||
|
||||
#sourcedir = 'C:/Users/dksojlg/Documents/gtk+-3.22.26'
|
||||
sourcedir = '/usr/include'
|
||||
#destdir = 'C:/Users/dksojlg/Documents/include'
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destdir = '/data_2/include'
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||||
|
||||
#print(cpu_info)
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||||
#single_thread() #2543 files - Single thread process time: 1.3732633590698242 sec.
|
||||
#os.rmdir(destdir)
|
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#multi_thread() #2543 files - Syncronized 5 threads process time: 80.25179100036621 sec.
|
||||
#os.rmdir(destdir)
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||||
async_process(16) #2543 files - 2 processes, process time: 1.2379400730133057 sec.
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#cleanup(destdir)
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#async_process(4) #2543 files - 2 processes, process time: 2.6622860431671143 sec.
|
||||
#cleanup(destdir)
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#async_process(6) #2543 files - 2 processes, process time: 2.6622860431671143 sec.
|
||||
#cleanup(destdir)
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||||
#async_process(8) #2543 files - 2 processes, process time: 2.6622860431671143 sec.
|
||||
#cleanup(destdir)
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||||
@@ -0,0 +1,20 @@
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||||
from multiprocessing import Pool
|
||||
|
||||
import time
|
||||
|
||||
work = (["A", 5], ["B", 2], ["C", 1], ["D", 3])
|
||||
|
||||
|
||||
def work_log(work_data):
|
||||
print(" Process %s waiting %s seconds" % (work_data[0], work_data[1]))
|
||||
time.sleep(int(work_data[1]))
|
||||
print(" Process %s Finished." % work_data[0])
|
||||
|
||||
|
||||
def pool_handler():
|
||||
p = Pool(2)
|
||||
p.map(work_log, work)
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
pool_handler()
|
||||
@@ -0,0 +1,59 @@
|
||||
from Queue import Queue
|
||||
import threading
|
||||
import time
|
||||
|
||||
exitFlag = 0
|
||||
|
||||
class myThread (threading.Thread):
|
||||
def __init__(self, threadID, name, q):
|
||||
threading.Thread.__init__(self)
|
||||
self.threadID = threadID
|
||||
self.name = name
|
||||
self.q = q
|
||||
def run(self):
|
||||
print ("Starting " + self.name)
|
||||
process_data(self.name, self.q)
|
||||
print ("Exiting " + self.name)
|
||||
|
||||
def process_data(threadName, q):
|
||||
while not exitFlag:
|
||||
queueLock.acquire()
|
||||
if not workQueue.empty():
|
||||
data = q.get()
|
||||
queueLock.release()
|
||||
print ("%s processing %s" % (threadName, data))
|
||||
else:
|
||||
queueLock.release()
|
||||
time.sleep(1)
|
||||
|
||||
threadList = ["Thread-1", "Thread-2", "Thread-3"]
|
||||
nameList = ["One", "Two", "Three", "Four", "Five"]
|
||||
queueLock = threading.Lock()
|
||||
workQueue = Queue.Queue(10)
|
||||
threads = []
|
||||
threadID = 1
|
||||
|
||||
# Create new threads
|
||||
for tName in threadList:
|
||||
thread = myThread(threadID, tName, workQueue)
|
||||
thread.start()
|
||||
threads.append(thread)
|
||||
threadID += 1
|
||||
|
||||
# Fill the queue
|
||||
queueLock.acquire()
|
||||
for word in nameList:
|
||||
workQueue.put(word)
|
||||
queueLock.release()
|
||||
|
||||
# Wait for queue to empty
|
||||
while not workQueue.empty():
|
||||
pass
|
||||
|
||||
# Notify threads it's time to exit
|
||||
exitFlag = 1
|
||||
|
||||
# Wait for all threads to complete
|
||||
for t in threads:
|
||||
t.join()
|
||||
print ("Exiting Main Thread")
|
||||
@@ -0,0 +1,18 @@
|
||||
from multiprocessing import Process, Value, Lock
|
||||
from tkinter import Tk
|
||||
from tkinter import Tk, ttk, Label, Button, LabelFrame
|
||||
from tkinter import filedialog, Entry, Checkbutton
|
||||
from tkinter import Grid, StringVar, DoubleVar
|
||||
from tkinter import N, E, S, W
|
||||
from tkinter import DISABLED, NORMAL
|
||||
|
||||
class testGUI:
|
||||
def __init__(self, master, initval=0):
|
||||
self.progress = Value('i', initval)
|
||||
self.lock = Lock()
|
||||
|
||||
def read_dir(dirname):
|
||||
|
||||
def get_directories(self):
|
||||
p = Process(target=read_dir, args=dirname)
|
||||
p.start()
|
||||
Reference in New Issue
Block a user