63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
#coding: utf-8
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# +-------------------------------------------------------------------
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# | YakPanel
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# +-------------------------------------------------------------------
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# | Copyright (c) 2015-2099 YakPanel(www.yakpanel.com) All rights reserved.
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# +-------------------------------------------------------------------
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# | Author: hwliang <2020-05-18>
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# +-------------------------------------------------------------------
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# +-------------------------------------------------------------------
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# | 流媒体模块
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# +-------------------------------------------------------------------
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import os,sys,re
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import mimetypes
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import public
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from YakPanel import Response
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def get_buff_size(file_size):
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buff_size = 2097152
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if file_size > 1073741824:
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buff_size = 4194304
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return buff_size
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def partial_response(path, start, end=None):
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if not os.path.exists(path):
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return Response("file not fount!",404)
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file_size = os.path.getsize(path)
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buff_size = get_buff_size(file_size)
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if end is None:
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end = start + buff_size - 1
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end = min(end, file_size - 1)
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end = min(end, start + buff_size - 1)
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length = end - start + 1
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with open(path, 'rb') as fd:
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fd.seek(start)
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bytes = fd.read(length)
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assert len(bytes) == length
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response = Response(bytes,206,mimetype=mimetypes.guess_type(path)[0],direct_passthrough=True,)
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response.headers.add('Content-Range', 'bytes {0}-{1}/{2}'.format(start, end, file_size,),)
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response.headers.add('Accept-Ranges', 'bytes')
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return response
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def get_range(request):
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range = request.headers.get('Range')
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m = None
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if range:
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m = re.match(r'bytes=(?P<start>\d+)-(?P<end>\d+)?', range)
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if m:
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start = m.group('start')
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end = m.group('end')
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start = int(start)
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if end is not None:
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end = int(end)
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return start, end
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else:
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return 0, None
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