35 lines
1.0 KiB
Python
35 lines
1.0 KiB
Python
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"""
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Utilities to get a file from the internet
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"""
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import os
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import requests
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from moviepy.tools import subprocess_call
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def download_webfile(url, filename, overwrite=False):
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""" Small utility to download the file at 'url' under name 'filename'.
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If url is a youtube video ID like z410eauCnH it will download the video
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using youtube-dl (install youtube-dl first !).
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If the filename already exists and overwrite=False, nothing will happen.
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"""
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if os.path.exists(filename) and not overwrite:
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return
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if '.' in url:
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r = requests.get(url, stream=True)
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with open(filename, 'wb') as fd:
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for chunk in r.iter_content(chunk_size=128):
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fd.write(chunk)
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else:
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try:
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subprocess_call(['youtube-dl', url, '-o', filename])
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except OSError as e:
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raise OSError(
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e.message + '\n A possible reason is that youtube-dl'
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' is not installed on your computer. Install it with '
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' "pip install youtube_dl"')
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