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- '''
- Downloads datasets from Hugging Face to datasets/dataset-name.
- Example:
- python download-dataset.py tatsu-lab/alpaca
- NOTE: this file is based on `download-model.py` and heavily modified
- '''
- import argparse
- import base64
- import datetime
- import json
- import re
- import sys
- from pathlib import Path
- import subprocess
- import requests
- import tqdm
- from tqdm.contrib.concurrent import thread_map
- import os
- parser = argparse.ArgumentParser()
- parser.add_argument('DATASET', type=str, default=None, nargs='?')
- parser.add_argument('--branch', type=str, default='main', help='Name of the Git branch to download from.')
- parser.add_argument('--threads', type=int, default=8, help='Number of files to download simultaneously.')
- parser.add_argument('--output', type=str, default=None, help='The folder where the dataset should be saved.')
- args = parser.parse_args()
- def get_file(url_info, output_folder):
- url = url_info['link']
- filename = url_info['path']
- dir_and_basename = filename.rsplit('/', 1)
- dir = dir_and_basename[0] if len(dir_and_basename) == 2 else ''
- if not (output_folder / dir).exists():
- (output_folder / dir).mkdir(parents=True, exist_ok=True)
- total_size = url_info['size']
- output_file = output_folder / Path(filename)
- if output_file.exists() and output_file.stat().st_size == total_size:
- print(f"Downloaded: {output_file}")
- return
- with open(output_folder / filename, 'wb') as f:
- token = os.environ.get("HUGGINGFACE_TOKEN")
- r = requests.get(url, stream=True, headers={"authorization" : f'Bearer {token}'})
- block_size = 1024
- with tqdm.tqdm(postfix=f'File: {filename}', total=total_size, unit='iB', unit_scale=True, bar_format='{l_bar}{bar}| {n_fmt:6}/{total_fmt:6} {rate_fmt:6} {postfix}') as t:
- for data in r.iter_content(block_size):
- t.update(len(data))
- f.write(data)
- def get_file_by_aria2(url, output_folder):
- filename = url.split('/')[-1]
- # r = requests.get(url, stream=True)
- # total_size = int(r.headers.get('content-length', 0))
-
- if (output_folder / Path(filename)).exists() and not (output_folder / Path(f"{filename}.aria2")).exists():
- print(f"Downloaded: {filename}")
- return
- # full_dir = f"{Path('/app/text-generation-webui/') / output_folder}"
- # print(f"aria2p downloading {url} to {full_dir} as {filename}")
- # aria2.add_uris(url, options={'dir': full_dir, 'out': filename})
- # /app/text-generation-webui/models
- aria_command = f"aria2c -c -x 16 -s 16 -k 1M {url} -d {output_folder} -o {filename}"
- print(f"Running: {aria_command}")
- # # call command line aria2c to download
- subprocess.run(aria_command, shell=True, check=True)
- def sanitize_branch_name(branch_name):
- pattern = re.compile(r"^[a-zA-Z0-9._-]+$")
- if pattern.match(branch_name):
- return branch_name
- else:
- raise ValueError("Invalid branch name. Only alphanumeric characters, period, underscore and dash are allowed.")
- def get_download_links_from_huggingface(dataset, branch, dir=None):
- base = "https://huggingface.co"
- page = f"/api/datasets/{dataset}/tree/{branch}"
- if dir is not None:
- page = f'{page}/{dir}'
- cursor = b""
- links = []
- sha256 = []
- # TODO support passing in
- token = os.environ.get("HUGGINGFACE_TOKEN")
- headers = { "authorization" : f'Bearer {token}'}
- while True:
- api_url = f"{base}{page}"
-
- if cursor != b"":
- api_url = f"{api_url}?cursor={cursor.decode()}"
- print(api_url)
- content = requests.get(api_url, headers=headers).content
- print(content)
- dict = json.loads(content)
- if 'error' in dict:
- # print(f'Ignoring error: {dict["error"]}')
- break
- if len(dict) == 0:
- break
- for i in range(len(dict)):
- item = dict[i]
- fname = item['path']
- # print(f'{item}')
- if item['type'] == 'directory':
- print(f'Gathering: {fname}')
- dir_links, dir_sha256 = get_download_links_from_huggingface(dataset, branch, dir=fname)
- links.extend(dir_links)
- # TODO: also add dir_sha256, fix fname in the process
- if item['type'] == 'file':
- link = f"https://huggingface.co/datasets/{dataset}/resolve/{branch}/{fname}"
- # print(f'{link}')
- url_info = {"link": link, "path": fname, "size": item["size"]}
- if 'lfs' in item:
- oid = item['lfs']['oid']
- sha256.append([fname, oid])
- url_info["sha256sum"] = oid
- links.append(url_info)
- cursor_file = dict[-1]["path"]
- # print(f'Using file {cursor_file} as cursor')
- curson_json = f'{{"file_name":"{cursor_file}"}}'
- cursor = base64.b64encode(curson_json.encode()) + b':50'
- cursor = base64.b64encode(cursor)
- cursor = cursor.replace(b'=', b'%3D')
- return links, sha256
- def download_files(file_list, output_folder, num_threads=8):
- thread_map(lambda url_info: get_file(url_info, output_folder), file_list, max_workers=num_threads)
- if __name__ == '__main__':
- # determine the root of the repo and cd to it
- ROOT = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..')
- os.chdir(ROOT)
- print(f"Working directory changed to: {ROOT}")
- dataset = args.DATASET
- branch = args.branch
- if dataset is None:
- print("Error: Please specify a dataset to download.")
- sys.exit()
- else:
- if dataset[-1] == '/':
- dataset = dataset[:-1]
- branch = args.branch
- if branch is None:
- branch = "main"
- else:
- try:
- branch = sanitize_branch_name(branch)
- except ValueError as err_branch:
- print(f"Error: {err_branch}")
- sys.exit()
- if args.output is not None:
- base_folder = args.output
- else:
- base_folder = 'datasets'
- output_folder = f"{'_'.join(dataset.split('/')[-2:])}"
- if branch != 'main':
- output_folder += f'_{branch}'
- # Creating the folder and writing the metadata
- output_folder = Path(base_folder) / output_folder
- if not output_folder.exists():
- output_folder.mkdir(parents=True, exist_ok=True)
- links_file = output_folder / 'links.json'
- links, sha256 = [], []
- # TODO expire logic
- if links_file.exists():
- with open(links_file, 'r') as f:
- links = json.load(f)
- # TODO fix sha256
- else:
- links, sha256 = get_download_links_from_huggingface(dataset, branch)
- with open(links_file, 'w') as f:
- json.dump(links, f)
- with open(output_folder / 'huggingface-metadata.txt', 'w') as f:
- f.write(f'url: https://huggingface.co/{dataset}\n')
- f.write(f'branch: {branch}\n')
- f.write(f'download date: {str(datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S"))}\n')
- sha256_str = ''
- for i in range(len(sha256)):
- sha256_str += f' {sha256[i][1]} {sha256[i][0]}\n'
- if sha256_str != '':
- f.write(f'sha256sum:\n{sha256_str}')
- # Downloading the files
- print(f"Downloading the dataset to {output_folder}")
- download_files(links, output_folder, args.threads)
- print()
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