62 lines
1.5 KiB
Python
62 lines
1.5 KiB
Python
# License: GNU AGPL v3: http://www.gnu.org/licenses/
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# This file is part of `delarte` (https://git.afpy.org/fcode/delarte.git)
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"""Provide download utilities."""
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import os
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from . import subtitles
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from .error import HTTPError
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_CHUNK = 64 * 1024
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def download_mp4_media(url, file_name, http, on_progress):
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"""Download a MP4 (video or audio) to given file."""
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on_progress(file_name, 0, 0)
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if os.path.isfile(file_name):
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on_progress(file_name, 1, 1)
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return
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temp_file = f"{file_name}.tmp"
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with open(temp_file, "ab") as f:
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r = http.request(
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"GET",
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url,
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headers={"Range": f"bytes={f.tell()}-"},
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preload_content=False,
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)
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HTTPError.raise_for_status(r)
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_, total = r.getheader("content-range").split("/")
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total = int(total)
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for content in r.stream(_CHUNK, True):
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f.write(content)
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on_progress(file_name, f.tell(), total)
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r.release_conn()
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os.rename(temp_file, file_name)
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def download_vtt_media(url, file_name, http, on_progress):
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"""Download a VTT and SRT-convert it to to given file."""
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on_progress(file_name, 0, 0)
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if os.path.isfile(file_name):
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on_progress(file_name, 1, 1)
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return
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temp_file = f"{file_name}.tmp"
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with open(temp_file, "w", encoding="utf-8") as f:
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r = http.request("GET", url)
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HTTPError.raise_for_status(r)
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subtitles.convert(r.data.decode("utf-8"), f)
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on_progress(file_name, f.tell(), f.tell())
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os.rename(temp_file, file_name)
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