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Unpack an object from `packed`.
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Used as `file_like.read(read_size)`. (default: `min(16*1024, max_buffer_size)`)
:param bool use_list:
If true, unpack msgpack array to Python list.
Otherwise, unpack to Python tuple. (default: True)
:param bool raw:
If true, unpack msgpack raw to Python bytes.
Otherwise, unpack to Python str by decoding with UTF-8 encoding (default).
:param int timestamp:
Control how timestamp type is unpacked:
0 - Timestamp
1 - float (Seconds from the EPOCH)
2 - int (Nanoseconds from the EPOCH)
3 - datetime.datetime (UTC). Python 2 is not supported.
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If true (default), only str or bytes are accepted for map (dict) keys.
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When specified, it should be callable.
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(See also simplejson)
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When specified, it should be callable.
Unpacker calls it with a list of key-value pairs after unpacking msgpack map.
(See also simplejson)
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The error handler for decoding unicode. (default: 'strict')
This option should be used only when you have msgpack data which
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Limits size of data waiting unpacked. 0 means 2**32-1.
The default value is 100*1024*1024 (100MiB).
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Deprecated, use *max_buffer_size* instead.
Limits max length of str. (default: max_buffer_size)
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Deprecated, use *max_buffer_size* instead.
Limits max length of bin. (default: max_buffer_size)
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Limits max length of array.
(default: max_buffer_size)
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Limits max length of map.
(default: max_buffer_size//2)
:param int max_ext_len:
Deprecated, use *max_buffer_size* instead.
Limits max size of ext type. (default: max_buffer_size)
Example of streaming deserialize from file-like object::
unpacker = Unpacker(file_like)
for o in unpacker:
process(o)
Example of streaming deserialize from socket::
unpacker = Unpacker(max_buffer_size)
while True:
buf = sock.recv(1024**2)
if not buf:
break
unpacker.feed(buf)
for o in unpacker:
process(o)
Raises ``ExtraData`` when *packed* contains extra bytes.
Raises ``OutOfData`` when *packed* is incomplete.
Raises ``FormatError`` when *packed* is not valid msgpack.
Raises ``StackError`` when *packed* contains too nested.
Other exceptions can be raised during unpacking.
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Convert user type to builtin type that Packer supports.
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Use single precision float type for float. (default: False)
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DO NOT USE THIS!! This option is kept for very specific usage.
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unpacker = Unpacker(file_like)
for o in unpacker:
process(o)
Example of streaming deserialize from socket::
unpacker = Unpacker()
while True:
buf = sock.recv(1024**2)
if not buf:
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unpacker.feed(buf)
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Raises ``ExtraData`` when *packed* contains extra bytes.
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