mirror of
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50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
from __future__ import unicode_literals
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from .common import FileDownloader
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from ..compat import compat_urllib_request
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import re
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class DashSegmentsFD(FileDownloader):
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"""
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Download segments in a DASH manifest
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"""
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def real_download(self, filename, info_dict):
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self.report_destination(filename)
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tmpfilename = self.temp_name(filename)
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base_url = info_dict['url']
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segment_urls = info_dict['segment_urls']
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self.byte_counter = 0
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def append_url_to_file(outf, target_url, target_name):
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self.to_screen('[DashSegments] %s: Downloading %s' % (info_dict['id'], target_name))
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req = compat_urllib_request.Request(target_url)
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data = self.ydl.urlopen(req).read()
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outf.write(data)
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self.byte_counter += len(data)
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def combine_url(base_url, target_url):
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if re.match(r'^https?://', target_url):
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return target_url
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return '%s/%s' % (base_url, target_url)
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with open(tmpfilename, 'wb') as outf:
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append_url_to_file(
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outf, combine_url(base_url, info_dict['initialization_url']),
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'initialization segment')
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for i, segment_url in enumerate(segment_urls):
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append_url_to_file(
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outf, combine_url(base_url, segment_url),
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'segment %d / %d' % (i + 1, len(segment_urls)))
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self.try_rename(tmpfilename, filename)
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self._hook_progress({
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'downloaded_bytes': self.byte_counter,
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'total_bytes': self.byte_counter,
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'filename': filename,
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'status': 'finished',
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})
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return True
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