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Download file through HTTP using requests.py and tqdm
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| import os.path | |
| from urllib.request import urlopen | |
| import requests | |
| from tqdm import tqdm | |
| def download_from_url(url, dst): | |
| """ | |
| @param: url to download file | |
| @param: dst place to put the file | |
| @author: wy193777 | |
| """ | |
| file_size = int(urlopen(url).info().get('Content-Length', -1)) | |
| if os.path.exists(dst): | |
| first_byte = os.path.getsize(dst) | |
| else: | |
| first_byte = 0 | |
| if first_byte >= file_size: | |
| return file_size | |
| header = {"Range": "bytes=%s-%s" % (first_byte, file_size)} | |
| pbar = tqdm( | |
| total=file_size, | |
| initial=first_byte, | |
| unit='B', | |
| unit_scale=True, | |
| desc=url.split('/')[-1], | |
| ncols=80, | |
| bar_format="{l_bar}{bar}| {n_fmt}/{total_fmt} [{remaining}, {rate_fmt}{postfix}]") | |
| req = requests.get(url, headers=header, stream=True) | |
| with(open(dst, 'ab')) as f: | |
| for chunk in req.iter_content(chunk_size=1024): | |
| if chunk: | |
| f.write(chunk) | |
| pbar.update(1024) | |
| pbar.close() | |
| return file_size |
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