# You are free to use and/or change this code for
# your own needs.

# Original code (c)2018 Jan Lerking
# Program to test various scenarios of
# single thread, multi thread, pool and process

import os
import sys
import multiprocessing
import time
import magic

num_cores = multiprocessing.cpu_count()
print(num_cores)

filelist = []

def sourcedir_filecnt(sourcedir):
    ### Return the number of files, ending with '.h', in sourcedir - including subdirectories ###
    cnt = 0
    global filelist
    for folderName, subfolders, files in os.walk(sourcedir):
        for file in files:
            if file.lower().endswith('.h'):
                cnt += 1
                filelist += [folderName+'/'+file]
                print(folderName+'/'+file)
    #print(filelist)
    return cnt

def process_files(sourcedir, destdir):
    global filelist
    outfile = ''
    for f in filelist:
        inputfile = f
        blob = open(f).read()
        m = magic.open(magic.MAGIC_MIME_ENCODING)
        m.load()
        encoding = m.buffer(blob)  # "utf-8" "us-ascii" etc
        open(f, encoding=str(encoding))
        print(os.path.basename(f))
        for lines in filehandle:
            print(lines)
            outfile = outfile+lines
        fh.close()
        outputfile = os.path.splitext(inputfile)[0]+'.inc'
        outputfile = str(outputfile).replace(sourcedir, destdir)
        print(outputfile)
        if not os.path.exists(os.path.dirname(outputfile)):
            try:  
                os.makedirs(os.path.dirname(outputfile))
            except OSError as exc: # Guard against race condition
                if exc.errno != errno.EEXIST:
                    raise
        newfile = open(outputfile, "w")
        newfile.write(outfile)
        newfile.close()

def single_thread():
    t1 = time.time()
    sourcedir_filecnt(sourcedir)
    process_files(sourcedir, destdir)
    print('Single thread process time: '+str(time.time()-t1))

sourcedir = 'C:/Users/dksojlg/Documents/gtk+-3.22.26'
destdir = 'C:/Users/dksojlg/Documents/include'

single_thread()