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			60 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import unicode_literals
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import os
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import re
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from .fragment import FragmentFD
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from ..utils import (
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    sanitize_open,
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    encodeFilename,
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)
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class DashSegmentsFD(FragmentFD):
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    """
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    Download segments in a DASH manifest
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    """
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    FD_NAME = 'dashsegments'
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    def real_download(self, filename, info_dict):
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        base_url = info_dict['url']
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        segment_urls = [info_dict['segment_urls'][0]] if self.params.get('test', False) else info_dict['segment_urls']
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        initialization_url = info_dict.get('initialization_url')
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        ctx = {
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            'filename': filename,
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            'total_frags': len(segment_urls) + (1 if initialization_url else 0),
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        }
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        self._prepare_and_start_frag_download(ctx)
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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%s' % (base_url, '' if base_url.endswith('/') else '/', target_url)
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        segments_filenames = []
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        def append_url_to_file(target_url, target_filename):
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            success = ctx['dl'].download(target_filename, {'url': combine_url(base_url, target_url)})
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            if not success:
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                return False
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            down, target_sanitized = sanitize_open(target_filename, 'rb')
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            ctx['dest_stream'].write(down.read())
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            down.close()
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            segments_filenames.append(target_sanitized)
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        if initialization_url:
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            append_url_to_file(initialization_url, ctx['tmpfilename'] + '-Init')
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        for i, segment_url in enumerate(segment_urls):
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            segment_filename = '%s-Seg%d' % (ctx['tmpfilename'], i)
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            append_url_to_file(segment_url, segment_filename)
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        self._finish_frag_download(ctx)
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        for segment_file in segments_filenames:
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            os.remove(encodeFilename(segment_file))
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        return True
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