o 7]h@sdZddlmZddlZddlZejddkZer"eefZ ddZ n eZ e Z e ZddZ ejdkr8eZd d Znd d Zeed rjdd lmZzddlmZWney^ddlmZYnwdZGdddeZn dZddlmZddZddlmZm Z m!Z!m"Z"m#Z#ddl$m%Z%m&Z&dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.dZ/dZ0dZ1e2e3fddZ4d d!Z5d"d#Z6ejd$krdSd%d&Z7nej8Z7d'Z9id(de9e/fd)dd*e/fd+dd,e/fd-dd.e0fd/dd0e0fd1dd2e0fd3d4d5d6d7de9fd8d9d:d;dd?d@dAdBdCdDdEdFddGe0fddHe0fddIe0fdJdKe0fdLdMe0fde9e.fdd*e.fdd,e.fdd*e,fdd,e,fdd*e-fdd,e-fdN Z:GdOdPdPeZ;GdQdRdReZ/usr/lib/python3/dist-packages/pip/_vendor/msgpack/fallback.pydict_iteritems r cCrr)itemsrr r r r r )cCs.t|jdkot|jdto|jddS)Nrz maximum recursion depth exceeded)lenargs isinstancestr startswither r r _is_recursionerrors rcCsdS)NTr rr r r r&pypy_version_info) newlist_hint) BytesBuilder) StringBuilderTc@s&eZdZd ddZddZddZdS) StringIOcCs.|rtt||_|j|dSt|_dSr)rrbuilderappendselfsr r r __init__6s zStringIO.__init__cCs6t|tr |}n t|trt|}|j|dSr)r memoryviewtobytes bytearraybytesr r!r"r r r write=s   zStringIO.writecC |jSr)r buildr#r r r getvalueDs zStringIO.getvalueN)r)__name__ __module__ __qualname__r%r*r.r r r r r5s  rF)BytesIOcCsgSrr )sizer r r Lsr4r) BufferFull OutOfData ExtraData FormatError StackError)ExtType TimestamprricCs$|||ur |||vS|||uSrr )objttypetupler r r _check_type_strictcs   rAcCst|}|jdkr td|S)Nrz$cannot unpack from multi-byte object)r&itemsize ValueError)r=viewr r r _get_data_from_bufferjs rEc Kstddt|i|}||z|}Wnty!tdty3}zt|r.td}~ww| r?t || |S)aw Unpack an object from `packed`. Raises ``ExtraData`` when *packed* contains extra bytes. Raises ``ValueError`` 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. See :class:`Unpacker` for options. Nmax_buffer_sizezUnpack failed: incomplete inputr) Unpackerrfeed_unpackr6rCRecursionErrorrr9_got_extradatar7_get_extradata)packedkwargsunpackerretrr r r unpackbqs   rQ)rcCst|t||S)z0Explicit type cast for legacy struct.unpack_from)struct unpack_fromr))fbor r r _unpack_fromsrY>H>IBbz>Hbz>Ib)r<z>f)z>d)rr])r<r_)rfz>Q)rrW)rz>h)r<z>i)rfz>qb1sb2sb4srfb8sb16s) c@seZdZdZdddddddddddedddddfdd Zd d Zd d ZddZddZ ddZ d*ddZ d*ddZ ddZ efddZddZddZeZd d!Zd"d#Zd$d%Zd&d'Zd(d)ZdS)+rGa Streaming unpacker. Arguments: :param file_like: File-like object having `.read(n)` method. If specified, unpacker reads serialized data from it and :meth:`feed()` is not usable. :param int read_size: 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. :param bool strict_map_key: If true (default), only str or bytes are accepted for map (dict) keys. :param callable object_hook: When specified, it should be callable. Unpacker calls it with a dict argument after unpacking msgpack map. (See also simplejson) :param callable object_pairs_hook: When specified, it should be callable. Unpacker calls it with a list of key-value pairs after unpacking msgpack map. (See also simplejson) :param str unicode_errors: The error handler for decoding unicode. (default: 'strict') This option should be used only when you have msgpack data which contains invalid UTF-8 string. :param int max_buffer_size: Limits size of data waiting unpacked. 0 means 2**32-1. The default value is 100*1024*1024 (100MiB). Raises `BufferFull` exception when it is insufficient. You should set this parameter when unpacking data from untrusted source. :param int max_str_len: Deprecated, use *max_buffer_size* instead. Limits max length of str. (default: max_buffer_size) :param int max_bin_len: Deprecated, use *max_buffer_size* instead. Limits max length of bin. (default: max_buffer_size) :param int max_array_len: Limits max length of array. (default: max_buffer_size) :param int max_map_len: 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() 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. NrTFi@cCs| durd} |durd|_nt|jstd||_d|_t|_d|_d|_| s+d} | dkr1| } |dkr7| }|dkr=| }|dkrE| d}|dkrK| }| |_ ||j krWt d |p^t |j d |_ t ||_t ||_| |_||_d|kr}d kst d t d ||_| |_||_||_| |_| |_||_||_||_||_d|_| durt| std |durt|std|durt|std|dur|durtdt| stddS)NstrictTz!`file_like.read` must be callableFrirrz.read_size must be smaller than max_buffer_sizei@rztimestamp must be 0..3z`list_hook` is not callablez`object_hook` is not callablez#`object_pairs_hook` is not callablez8object_pairs_hook and object_hook are mutually exclusivez`ext_hook` is not callable)_feedingcallableread TypeError file_liker(_buffer_buff_i_buf_checkpoint_max_buffer_sizerCmin _read_sizebool_raw_strict_map_key_unicode_errors _use_list _timestamp _list_hook _object_hook_object_pairs_hook _ext_hook _max_str_len _max_bin_len_max_array_len _max_map_len _max_ext_len_stream_offset)r#r read_sizeuse_listraw timestampstrict_map_key object_hookobject_pairs_hook list_hookunicode_errorsrFext_hook max_str_len max_bin_len max_array_len max_map_len max_ext_lenr r r r%sv     zUnpacker.__init__cCsr|jsJt|}t|j|jt||jkrt|jdkr1|jd|j=|j|j8_d|_|j|dSNr) rrErrrrr5rextend)r# next_bytesrDr r r rHts  z Unpacker.feedcCs"|j|j|j7_|j|_dS)z)Gets rid of the used parts of the buffer.N)rrrr-r r r _consumes zUnpacker._consumecCs|jt|jkSr)rrrr-r r r rKzUnpacker._got_extradatacCs|j|jdSr)rrr-r r r rLrzUnpacker._get_extradatacCs|j|dd}||S)NFraise_outofdata)_readrr#nrPr r r read_bytesszUnpacker.read_bytescCs8|j||d|j}|j|||}|t||_|S)Nr)_reserverrr)r#rrirPr r r rs zUnpacker._readcCst|j|j|}|dkrdS|jr|j|_t|jdkr0|jd|j=|j|j8_d|_| }|dkr^t|j|}|j |}|sFnt |t sMJ|j|7_|t|8}|dks7t|j||jkro|rqd|_tdSdSr) rrrrrr6maxrrrrr))r#rr remain_bytes to_read_bytes read_datar r r rs0     zUnpacker._reservecCst}d}d}|d|j|j}|jd7_|d@dkr"|}nJ|d@dkr0d|dA}n<|d@dkrQ|d@}t}||jkrJtd ||jf||}n|d @d krm|d @}t}||j krktd ||j fn|d @dkr|d @}t }||j krtd||j fn|dkrd}n|dkrd}n|dkrd}nd|krdkrnn?t |\}}}||t |dkrt||j|jd}n|j|j}|j|7_||jkrtd||jf||}nd|krdkr,nn3t |\}}}||t||j|j\}}|j|7_||jkr%td||jf||}n@d|kr8dkrfnn,t |\}}||t |dkrWt||j|jd}n|j|j}|j|7_nd|krrdkrnn1t |\}}}|j|krtd||jf||dt||j|j\}}|j|d7_nd|krdkrnn?t |\}}}||t |dkrt||j|j\}n|j|j}|j|7_||jkrtd ||jf||}nzd |krd!kr,nn,t |\}}}||t||j|j\}|j|7_||j kr+td ||j fn@d"|kr8d#krfnn,t |\}}}||t||j|j\}|j|7_||j kretd||j fntd$||||fS)%Nrrrz%s exceeds max_str_len(%s)z%s exceeds max_array_len(%s)z%s exceeds max_map_len(%s)FTr[r^z%s exceeds max_bin_len(%s)r`rcz%s exceeds max_ext_len(%s)rdrnroryrzr|r}r~rrzUnknown header: 0x%x)TYPE_IMMEDIATErrrTYPE_RAWrrCr TYPE_ARRAYrTYPE_MAPr_MSGPACK_HEADERSrrYrrr8)r#typrr=rWr3fmtLr r r _read_headers                                 zUnpacker._read_headerc sp\}}}|tkr|tkrtd|S|tkr#|tkr!td|S|tkr_|tkr9t|D]}tq/dSt |}t|D] }| t qAj durV |}j r[|St|S|tkr|tkrzt|D] }ttqkdSjdurfddt|D}|Si}t|D]0}t }jrt|ttfvrtdtt|tst|turt|}t ||<qjdurЈ|}|S|tkrdS|tkrjrt|}|S|dj}|S|tkrt|S|tkr/|dkr't t|} j!dkr| "Sj!d kr| #Sj!d kr%| $S| S%|t|S|t&ks6J|S) NzExpected arrayz Expected mapc3s$|] }ttfVqdSr)rI EX_CONSTRUCT).0_r-r r Bs  z#Unpacker._unpack..z%s is not allowed for map keyutf_8rrrr)'rEX_READ_ARRAY_HEADERrrCEX_READ_MAP_HEADERrEX_SKIPxrangerIrr!rrrr@rrr?unicoder)rPY2sysinternrrrdecoderTYPE_BINTYPE_EXTr; from_bytesrto_unix to_unix_nano to_datetimerr) r#executerrr=rrPrkeytsr r-r rI!s                   zUnpacker._unpackcCs|Srr r-r r r __iter__nrzUnpacker.__iter__cCsDz |t}||WSty|tty!twr)rIrrr6 StopIterationrJr9r#rPr r r __next__qs   zUnpacker.__next__cCs|t|dSr)rIrrr-r r r skip~s  z Unpacker.skipcCs.z|t}Wn tytw||Sr)rIrrJr9rrr r r unpacks zUnpacker.unpackcC|t}||Sr)rIrrrr r r read_array_header zUnpacker.read_array_headercCrr)rIrrrr r r read_map_headerrzUnpacker.read_map_headercCs|jSr)rr-r r r tellsz Unpacker.tell)T)r/r0r1__doc__r:r%rHrrKrLrrrrrrIrrnextrrrrrr r r r rGsJa ]   fM  rGc@seZdZdZ       d#ddZeeefddZd d Z d d Z d dZ ddZ ddZ ddZddZefddZddZddZddZdd Zd!d"ZdS)$Packera8 MessagePack Packer Usage:: packer = Packer() astream.write(packer.pack(a)) astream.write(packer.pack(b)) Packer's constructor has some keyword arguments: :param callable default: Convert user type to builtin type that Packer supports. See also simplejson's document. :param bool use_single_float: Use single precision float type for float. (default: False) :param bool autoreset: Reset buffer after each pack and return its content as `bytes`. (default: True). If set this to false, use `bytes()` to get content and `.reset()` to clear buffer. :param bool use_bin_type: Use bin type introduced in msgpack spec 2.0 for bytes. It also enables str8 type for unicode. (default: True) :param bool strict_types: If set to true, types will be checked to be exact. Derived classes from serializable types will not be serialized and will be treated as unsupported type and forwarded to default. Additionally tuples will not be serialized as lists. This is useful when trying to implement accurate serialization for python types. :param bool datetime: If set to true, datetime with tzinfo is packed into Timestamp type. Note that the tzinfo is stripped in the timestamp. You can get UTC datetime with `timestamp=3` option of the Unpacker. 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