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# create a subset of files in a folder
import argparse
import glob
import os
import numpy as np
import pdb
# for repeatability
ratio = 0.25
np.random.seed(42)
if __name__ == "__main__":
# get path from cmd parameter
# pdb.set_trace()
ap = argparse.ArgumentParser()
ap.add_argument("-i", "--pathimage", required=True, help="path to folder")
ap.add_argument("-t", "--pathtarget", required=True, help="path to folder")
args = vars(ap.parse_args())
root = args["pathimage"]
root2 = args["pathtarget"]
os.makedirs(os.path.join(root, "subset"), exist_ok=True)
os.makedirs(os.path.join(root2, "subset"), exist_ok=True)
man_set_ratio = int(input("set the percentage of the subset (eg. 25): "))
# set ratio if man_set_ratio is valid
if 100 > man_set_ratio > 0:
ratio = man_set_ratio/100
# get all files of certain type
f_types = ('*.jpg', '*.jpeg', '*.png', '*.bmp', '*.tif')
all_files_images = []
all_files_target = []
for f_type in f_types:
all_files_images.extend(sorted(glob.glob(os.path.join(root, f_type))))
all_files_target.extend(sorted(glob.glob(os.path.join(root2, f_type))))
# get random idx
randomIdx = np.random.permutation(len(all_files_images))
files_sel_idx = randomIdx[0:int(ratio * len(all_files_images))]
for n, idx in enumerate(files_sel_idx):
# os.system('cls')
print(int(n/len(files_sel_idx)*10000)/100)
os.rename(all_files_images[idx], os.path.join(root, "subset", os.path.basename(all_files_images[idx])))
os.rename(all_files_target[idx], os.path.join(root2, "subset", os.path.basename(all_files_target[idx])))
'''
# move potentially existing label file
if os.path.exists(all_files[idx][:-3] + "xml"):
os.rename(all_files[idx][:-3] + "xml", root + "\\subset\\" + os.path.basename(all_files[idx][:-3] + "xml"))
if os.path.exists(all_files[idx][:-3] + "json"):
os.rename(all_files[idx][:-3] + "json", root + "\\subset\\" + os.path.basename(all_files[idx][:-3] + "json"))
if os.path.exists(all_files[idx][:-3] + "txt"):
os.rename(all_files[idx][:-3] + "txt", root + "\\subset\\" + os.path.basename(all_files[idx][:-3] + "txt"))
''' |