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import re
import os
import json
from wptserve.utils import isomorphic_decode
def main(request, response):
path = os.path.join(request.doc_root, u"media", "sine440.mp3")
total_size = os.path.getsize(path)
rewrites = json.loads(request.GET.first(b'rewrites', '[]'))
range_header = request.headers.get(b'Range')
range_header_match = range_header and re.search(r'^bytes=(\d*)-(\d*)$', isomorphic_decode(range_header))
start = None
end = None
if range_header_match:
response.status = 206
start, end = range_header_match.groups()
if range_header:
status = 206
else:
status = 200
for rewrite in rewrites:
req_start, req_end = rewrite['request']
if start == req_start or req_start == '*':
if end == req_end or req_end == '*':
if 'response' in rewrite:
start, end = rewrite['response']
if 'status' in rewrite:
status = rewrite['status']
start = int(start or 0)
end = int(end or total_size)
headers = []
if status == 206:
headers.append((b"Content-Range", b"bytes %d-%d/%d" % (start, end - 1, total_size)))
headers.append((b"Accept-Ranges", b"bytes"))
headers.append((b"Content-Type", b"audio/mp3"))
headers.append((b"Content-Length", str(end - start)))
headers.append((b"Cache-Control", b"no-cache"))
video_file = open(path, "rb")
video_file.seek(start)
content = video_file.read(end)
return status, headers, content
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