PTP / download_sbu.py
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import os
from csv import reader
import wget
from multiprocessing import Pool, Value
dl_count = Value('i', 0)
wl_count = Value('i', 0)
data_source = "/SBU/dataset"
# correct:851000 wrong: 148957, 999957/1000000 finished
def image_dl(info):
global dl_count, wl_count
row_count = 1000000
sub_dir = info.split('/')[-2]
file_name = info.split('/')[-1]
image_dir = os.path.join(data_source, sub_dir)
image_path = os.path.join(image_dir, file_name)
# if not correct download
if os.path.exists(image_dir) and os.path.exists(image_path):
with dl_count.get_lock():
dl_count.value += 1
return 1
if not os.path.exists(image_dir):
os.mkdir(image_dir)
msg1 = ""
try:
wget.download(info, out=image_path)
with dl_count.get_lock():
dl_count.value += 1
except IOError:
msg1 = "image {} not found".format(info)
with wl_count.get_lock():
wl_count.value += 1
# print(info[0], info[3])
# video_dir
if dl_count.value % 1000 == 0:
print("\n")
msg2 = "correct:{} wrong: {}, {}/{} finished".format(dl_count.value, wl_count.value,
dl_count.value+wl_count.value, row_count)
print(msg2)
# with open('webvid_data/download_logs.txt','a') as f:
# f.write(msg1 + "\n" + msg2)
# train / val dataset
urls = []
with open('/mnt/aiops/common/wangjp/SBU/SBU_captioned_photo_dataset_urls.txt', 'r') as fh:
for line in fh:
url = line.rstrip()
urls.append(url)
print("{} imgs to be downloaded".format(len(urls)))
num_processes = 16
pool = Pool(num_processes)
pool.map(image_dl, tuple(list(urls)))