def __init__(self, *args, **kwargs):
_ObjectRawIOBase.__init__(self, *args, **kwargs)
# Only support readonly
if 'r' not in self._mode:
raise _UnsupportedOperation('write')
# Check if object support random read
self._seekable = self._head().get('Accept-Ranges') == 'bytes'
def _getsize_from_header(self, header):
"""
Return the size from header
Args:
header (dict): Object header.
Returns:
int: Size in bytes.
"""
try:
return header.pop('ContentLength')
except KeyError:
raise _UnsupportedOperation('getsize')
def _get_time(header, keys, name):
"""
Get time from header
Args:
header (dict): Object header.
keys (tuple of str): Header keys.
name (str): Method name.
Returns:
float: The number of seconds since the epoch
"""
for key in keys:
try:
return header.pop(key).timestamp()
except KeyError:
continue
raise _UnsupportedOperation(name)
def fileno(self):
raise _UnsupportedOperation()
def fileno(self):
raise _UnsupportedOperation()
def __init__(self, *args, **kwargs):
_ObjectRawIOBase.__init__(self, *args, **kwargs)
if "r" not in self._mode:
raise _UnsupportedOperation("write")
self._seekable = self._head().get("Accept-Ranges") == "bytes"