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import json
import sys, os, os.path as osp
import asyncio
import requests
import fire
import pandas as pd
from random import random
from concurrent.futures import ProcessPoolExecutor
def ytb_download(uid, url, json_info, output_dir="ytb_videos/"):
os.makedirs(output_dir, exist_ok=True)
# uid = url.split("?v=")[-1]
video_path = osp.join(output_dir, f"{uid}.mp4")
meta_path = osp.join(output_dir, f"{uid}.json")
if osp.exists(video_path) and osp.exists(meta_path):
print(f"{uid} already downloaded.")
return 0
if osp.exists(video_path):
print(f"[video] {uid} already downloaded.")
else:
with requests.get(url) as resp:
if resp.status_code != 200:
print(f"{uid} failed to fetch.")
return -1
print(f"downloading {uid}: {url} to {output_dir}")
open(video_path, "wb").write(resp.content)
if not osp.exists(meta_path):
with open(osp.join(output_dir, f"{uid}.json"), "w") as fp:
json.dump(json_info, fp, indent=2)
return 0
async def main(csv_path, max_workers=2, shards=0, total=-1, limit=False):
PPE = ProcessPoolExecutor(max_workers=max_workers)
loop = asyncio.get_event_loop()
df = pd.read_csv(csv_path)
output_dir = csv_path.split(".")[0]
tasks = []
data_list = df.iterrows()
if total > 0:
data_list = list(df.iterrows())
chunk = len(data_list) // total
begin_idx = shards * chunk
end_idx = (shards + 1) * chunk
if shards == total - 1:
end_idx = len(data_list)
data_list = data_list[begin_idx:end_idx]
print(f"Downloading total {len(data_list)} videos")
for idx, (index, row) in enumerate(data_list):
uid = row["videoid"]
url = row["contentUrl"]
# name,page_idx,page_dir,duration
try:
json_info = {
"name": row["name"],
"url": url,
# "page_idx": row["page_idx"],
# "page_dir": row["page_dir"],
"duration": row["duration"],
}
except KeyError as e:
print(row)
print(row.keys())
print(e)
exit(0)
tasks.append(
loop.run_in_executor(PPE, ytb_download, uid, url, json_info, output_dir)
)
if idx >= 20 and limit:
break
res = await asyncio.gather(*tasks)
print(f"[{sum(res)} / {len(res)}]")
output_log = f"log_{output_dir}.json"
key = "total"
if total is not None:
key = f"{shards}-of-{total}"
json_output = {}
if osp.exists(output_log):
with open(output_log, "r") as fp:
json_output = json.load(fp)
json_output[key] = f"[{sum(res)} / {len(res)}]"
with open(output_log, "w") as fp:
json.dump(json_output, fp, indent=2)
def entry(csv="panda70m_testing.csv", shards=0, total=-1, limit=False):
asyncio.run(main(csv, shards=shards, total=total, limit=limit))
if __name__ == "__main__":
fire.Fire(entry)
# url = "https://ak.picdn.net/shutterstock/videos/1053841541/preview/stock-footage-travel-blogger-shoot-a-story-on-top-of-mountains-young-man-holds-camera-in-forest.mp4"
# uid = "1053841541"
# json_info = {}
# res = ytb_download(uid, url, json_info, output_dir="test/")
# print(res)
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