def _gen_head_range_resp(self, req_range, resp):
"""
Swift doesn't handle Range header for HEAD requests.
So, this method generates HEAD range response from HEAD response.
S3 return HEAD range response, if the value of range satisfies the
conditions which are described in the following document.
- http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35
"""
length = int(resp.headers.get('Content-Length'))
try:
content_range = Range(req_range)
except ValueError:
return resp
ranges = content_range.ranges_for_length(length)
if ranges == []:
raise InvalidRange()
elif ranges:
if len(ranges) == 1:
start, end = ranges[0]
resp.headers['Content-Range'] = \
content_range_header_value(start, end, length)
resp.headers['Content-Length'] = (end - start)
resp.status = HTTP_PARTIAL_CONTENT
return resp
else:
# TODO: It is necessary to confirm whether need to respond to
# multi-part response.(e.g. bytes=0-10,20-30)
pass
return resp
def _gen_head_range_resp(self, req_range, resp):
"""
Swift doesn't handle Range header for HEAD requests.
So, this mothod generates HEAD range response from HEAD response.
S3 return HEAD range response, if the value of range satisfies the
conditions which are described in the following document.
- http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35
"""
length = long(resp.headers.get('Content-Length'))
try:
content_range = Range(req_range)
except ValueError:
return resp
ranges = content_range.ranges_for_length(length)
if ranges == []:
raise InvalidRange()
elif ranges:
if len(ranges) == 1:
start, end = ranges[0]
resp.headers['Content-Range'] = \
content_range_header_value(start, end, length)
resp.headers['Content-Length'] = (end - start)
resp.status = HTTP_PARTIAL_CONTENT
return resp
else:
# TODO: It is necessary to confirm whether need to respond to
# multi-part response.(e.g. bytes=0-10,20-30)
pass
return resp
