示例#1
0
 def __init__(self, request, stats):
     self.total = stats.st_size
     _range = request.headers.get("Range")
     if _range is None:
         raise HeaderNotFound("Range Header Not Found")
     unit, _, value = tuple(map(str.strip, _range.partition("=")))
     if unit != "bytes":
         raise InvalidRangeType(
             "%s is not a valid Range Type" % (unit,), self
         )
     start_b, _, end_b = tuple(map(str.strip, value.partition("-")))
     try:
         self.start = int(start_b) if start_b else None
     except ValueError:
         raise ContentRangeError(
             "'%s' is invalid for Content Range" % (start_b,), self
         )
     try:
         self.end = int(end_b) if end_b else None
     except ValueError:
         raise ContentRangeError(
             "'%s' is invalid for Content Range" % (end_b,), self
         )
     if self.end is None:
         if self.start is None:
             raise ContentRangeError(
                 "Invalid for Content Range parameters", self
             )
         else:
             # this case represents `Content-Range: bytes 5-`
             self.end = self.total - 1
     else:
         if self.start is None:
             # this case represents `Content-Range: bytes -5`
             self.start = self.total - self.end
             self.end = self.total - 1
     if self.start >= self.end:
         raise ContentRangeError(
             "Invalid for Content Range parameters", self
         )
     self.size = self.end - self.start + 1
     self.headers = {
         "Content-Range": "bytes %s-%s/%s"
         % (self.start, self.end, self.total)
     }
示例#2
0
 def __init__(self, request, stats):
     self.total = stats.st_size
     _range = request.headers.get('Range')
     if _range is None:
         raise HeaderNotFound('Range Header Not Found')
     unit, _, value = tuple(map(str.strip, _range.partition('=')))
     if unit != 'bytes':
         raise InvalidRangeType('%s is not a valid Range Type' % (unit, ),
                                self)
     start_b, _, end_b = tuple(map(str.strip, value.partition('-')))
     try:
         self.start = int(start_b) if start_b else None
     except ValueError:
         raise ContentRangeError(
             '\'%s\' is invalid for Content Range' % (start_b, ), self)
     try:
         self.end = int(end_b) if end_b else None
     except ValueError:
         raise ContentRangeError(
             '\'%s\' is invalid for Content Range' % (end_b, ), self)
     if self.end is None:
         if self.start is None:
             raise ContentRangeError('Invalid for Content Range parameters',
                                     self)
         else:
             # this case represents `Content-Range: bytes 5-`
             self.end = self.total
     else:
         if self.start is None:
             # this case represents `Content-Range: bytes -5`
             self.start = self.total - self.end
             self.end = self.total
     if self.start >= self.end:
         raise ContentRangeError('Invalid for Content Range parameters',
                                 self)
     self.size = self.end - self.start
     self.headers = {
         'Content-Range':
         "bytes %s-%s/%s" % (self.start, self.end, self.total)
     }