3
[;                 @   st  d Z ddlZddlZddlZejd dkrDdZeZeZ	e
Zdd ZndZeefZeZ	dd Zeed	rdd
lmZ yddlmZ W n  ek
r   ddlmZ Y nX dZG dd deZndZddlmZ dd ZddlmZmZmZmZm Z m!Z! ddl"m#Z# dZ$dZ%dZ&dZ'dZ(dZ)dZ*dZ+dZ,dZ-dZ.e/e0fddZ1dd Z2dd Z3dd  Z4G d!d" d"eZ5G d#d$ d$eZ6dS )%z.Fallback pure Python implementation of msgpack    N   Tc             C   s   | j  S )N)items)d r   =/tmp/pip-install-65viz3iy/pip/pip/_vendor/msgpack/fallback.pydict_iteritems   s    r   Fc             C   s   | j  S )N)	iteritems)r   r   r   r   r      s    pypy_version_info)newlist_hint)BytesBuilder)StringBuilderc               @   s&   e Zd Zd	ddZdd Zdd ZdS )
StringIO    c             C   s,   |r t t|| _| jj| nt  | _d S )N)r   lenbuilderappend)selfsr   r   r   __init__    s    zStringIO.__init__c             C   s6   t |tr|j }nt |tr&t|}| jj| d S )N)
isinstance
memoryviewtobytes	bytearraybytesr   r   )r   r   r   r   r   write&   s
    


zStringIO.writec             C   s
   | j j S )N)r   build)r   r   r   r   getvalue,   s    zStringIO.getvalueN)r   )__name__
__module____qualname__r   r   r   r   r   r   r   r      s   
r   )BytesIOc             C   s   g S )Nr   )sizer   r   r   <lambda>1   s    r"   )
BufferFull	OutOfDataUnpackValueErrorPackValueErrorPackOverflowError	ExtraData)ExtType            i  c             C   s(   |||kr|| |kS || |kS d S )Nr   )objttypetupler   r   r   _check_type_strictN   s    r2   c             C   s`   yt | }W n< tk
rH   tsBt t| }tjdt|  t n Y nX |jdkr\t	d|S )Nzusing old buffer interface to unpack %s; this leads to unpacking errors if slicing is used and will be removed in a future versionr*   z$cannot unpack from multi-byte object)
r   	TypeErrorPY3bufferwarningswarnr0   RuntimeWarningitemsize
ValueError)r.   viewr   r   r   _get_data_from_bufferU   s    
r<   c             K   s    t jdt | j }t|f|S )NzbDirect calling implementation's unpack() is deprecated, Use msgpack.unpack() or unpackb() instead.)r6   r7   PendingDeprecationWarningreadunpackb)streamkwargsdatar   r   r   unpackg   s
    rC   c             K   sX   t d|}|j|  y|j }W n tk
r<   tdY nX |j rTt||j |S )z
    Unpack an object from `packed`.

    Raises `ExtraData` when `packed` contains extra bytes.
    See :class:`Unpacker` for options.
    NzData is not enough.)N)Unpackerfeed_unpackr$   r%   _got_extradatar(   _get_extradata)packedrA   unpackerretr   r   r   r?   o   s    

r?   c               @   s   e Zd ZdZddddddddddedddddfddZdd	 Zd
d Zdd Zdd Z	dd Z
dd Zdd ZefddZefddZdd Zdd ZeZd(ddZd)d d!Zd*d"d#Zd+d$d%Zd&d' ZdS ),rD   aB
  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 (default).
        Otherwise, unpack to Python str (or unicode on Python 2) by decoding
        with UTF-8 encoding (recommended).
        Currently, the default is true, but it will be changed to false in
        near future.  So you must specify it explicitly for keeping backward
        compatibility.

        *encoding* option which is deprecated overrides this option.

    :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 encoding:
        Encoding used for decoding msgpack raw.
        If it is None (default), msgpack raw is deserialized to Python bytes.

    :param str unicode_errors:
        (deprecated) Used for decoding msgpack raw with *encoding*.
        (default: `'strict'`)

    :param int max_buffer_size:
        Limits size of data waiting unpacked.  0 means system's INT_MAX (default).
        Raises `BufferFull` exception when it is insufficient.
        You should set this parameter when unpacking data from untrusted source.

    :param int max_str_len:
        Limits max length of str. (default: 2**31-1)

    :param int max_bin_len:
        Limits max length of bin. (default: 2**31-1)

    :param int max_array_len:
        Limits max length of array. (default: 2**31-1)

    :param int max_map_len:
        Limits max length of map. (default: 2**31-1)


    example of streaming deserialize from file-like object::

        unpacker = Unpacker(file_like, raw=False)
        for o in unpacker:
            process(o)

    example of streaming deserialize from socket::

        unpacker = Unpacker(raw=False)
        while True:
            buf = sock.recv(1024**2)
            if not buf:
                break
            unpacker.feed(buf)
            for o in unpacker:
                process(o)
    Nr   Tic             C   s  |d k	rt jdt |	d kr d}	|d kr0d| _nt|jsBtd|| _d| _t | _	t
jdk rnt| j	| _n| j	| _d	| _d	| _|
pd| _|| jkrtd|pt| jd| _t|| _|| _|	| _|| _|| _|| _|| _|| _|| _|| _|| _|| _ || _!d	| _"|d k	r&t| r&td|d k	rDt| rDtd|d k	rbt| rbtd|d k	r~|d k	r~tdt|stdd S )Nz.encoding is deprecated, Use raw=False instead.strictTz!`file_like.read` must be callableFr+         r      r*   z.read_size must be smaller than max_buffer_size   i   z`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)r+   rM   rN   l        ii @  )#r6   r7   r=   _feedingcallabler>   r3   	file_liker   _buffersysversion_infor5   _buffer_view_buff_i_buf_checkpoint_max_buffer_sizer:   min
_read_sizebool_raw	_encoding_unicode_errors	_use_list
_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   rS   	read_sizeuse_listrawobject_hookobject_pairs_hook	list_hookencodingunicode_errorsmax_buffer_sizeext_hookmax_str_lenmax_bin_lenmax_array_lenmax_map_lenmax_ext_lenr   r   r   r      s\    


	



zUnpacker.__init__c             C   st   | j s
tt|}t| j| j t| | jkr4t| jdkrb| jd | j= |  j| j8  _d| _|  j|7  _d S )Nr   )	rQ   AssertionErrorr<   r   rT   rX   rZ   r#   rY   )r   
next_bytesr;   r   r   r   rE     s    

zUnpacker.feedc             C   s"   |  j | j| j 7  _ | j| _dS )z+ Gets rid of the used parts of the buffer. N)rk   rX   rY   )r   r   r   r   _consume,  s    zUnpacker._consumec             C   s   | j t| jk S )N)rX   r   rT   )r   r   r   r   rG   1  s    zUnpacker._got_extradatac             C   s   | j | jd  S )N)rT   rX   )r   r   r   r   rH   4  s    zUnpacker._get_extradatac             C   s
   | j |S )N)_read)r   nr   r   r   
read_bytes7  s    zUnpacker.read_bytesc             C   s,   | j | | j}|| | _| j|||  S )N)_reserverX   rT   )r   r   ir   r   r   r~   :  s    

zUnpacker._readc             C   s   t | j| j | }|dkr d S | jr2| j| _t| jdkr`| jd | j= |  j| j8  _d| _| }xR|dkrt| j|}| jj	|}|sP t
|tst|  j|7  _|t |8 }qhW t | j|| j k rd| _td S )Nr   )r   rT   rX   rQ   rY   r$   maxr\   rS   r>   r   r   r{   )r   r   remain_bytesto_read_bytes	read_datar   r   r   r   A  s,    

zUnpacker._reservec             C   sX
  t }d}d }| jd | j| j }|  jd7  _|d@ dkrD|}
n
|d@ dkr`dK|dA  }	n|d@ dkr|d@ }t}|| jkrtd|| j| j|}	n|d	@ d
kr|d@ }t}|| j	krtd|| j		n||d	@ dkr
|d@ }t
}|| jk
rNtd|| j	nD|dkrd }	n2|dkr.d}	n |dkr@d}	n|dkrt}| jd | j| j }|  jd7  _|| jkrtd|| jf | j|}n|dkrt}| jd tjd| j| jd }|  jd7  _|| jkrtd|| jf | j|}nH|dkrnt}| jd tjd| j| jd }|  jd7  _|| jkr`td|| jf | j|}n|dkrt}| jd tjd| j| j\}}|  jd7  _|| jkrtd|| jf | j|}nx|dkr>t}| jd tjd | j| j\}}|  jd7  _|| jkr0td|| jf | j|}n|d!krt}| jd" tjd#| j| j\}}|  jd"7  _|| jkrtd|| jf | j|}n|d$kr| jd tjd%| j| jd }|  jd7  _nl|d&kr| jd' tjd(| j| jd }|  jd'7  _n0|d)krP| jd | j| j }|  jd7  _n|d*kr| jd tjd| j| jd }|  jd7  _n|d+kr| jd tjd| j| jd }|  jd7  _n|d,kr| jd' tjd-| j| jd }|  jd'7  _nJ|d.kr@| jd tjd/| j| jd }|  jd7  _n|d0kr|| jd tjd1| j| jd }|  jd7  _n|d2kr| jd tjd3| j| jd }|  jd7  _n|d4kr| jd' tjd5| j| jd }|  jd'7  _nZ|d6krRt}| jdk r tdd| jf | jd tjd7| j| j\}}|  jd7  _n|d8krt}| jdk r~tdd| jf | jd tjd9| j| j\}}|  jd7  _n|d:krt}| jdk rtdd| jf | jd" tjd;| j| j\}}|  jd"7  _n@|d<krlt}| jd'k r:tdd'| jf | jd= tjd>| j| j\}}|  jd=7  _n|d?krt}| jd@k rtdd@| jf | jdA tjdB| j| j\}}|  jdA7  _n|dCkr$t}| jd | j| j }|  jd7  _|| jkrtd|| j| j|}n*|dDkrt}| jd tjd| j| j\}|  jd7  _|| jkrxtd|| j| j|}n|dEkrt}| jd tjd| j| j\}|  jd7  _|| jkrtd|| j| j|}nf|dFk	r@t}| jd tjd| j| j\}|  jd7  _|| j	k
rNtd|| j	n|dGk	rt}| jd tjd| j| j\}|  jd7  _|| j	k
rNtd|| j	n|dHk	r| jd tjd| j| j\}|  jd7  _|| jk	rtd|| jt
}nb|dIk
rB| jd tjd| j| j\}|  jd7  _|| jk
r<td|| jt
}ntdJ| |||fS )LNr   r*               rO   z%s exceeds max_str_len(%s)         z%s exceeds max_array_len(%s)z%s exceeds max_map_len(%s)      F   T   z%s exceeds max_bin_len(%s)   r+   z>H   r,   z>I   Bbz%s exceeds max_ext_len(%s)   r   z>Hb   r-   z>Ib   z>f      z>d            z>Q   b   z>h   z>i   z>q   b1s   b2s   b4s   	   b8s   rP      b16s                     zUnknown header: 0x%x)TYPE_IMMEDIATEr   rT   rX   TYPE_RAWrf   r%   r~   
TYPE_ARRAYrh   TYPE_MAPri   TYPE_BINrg   structunpack_fromrW   TYPE_EXTrj   )r   executetypr   r.   r   Lr   r   r   _read_headera  s   





























































zUnpacker._read_headerc       	         s   j |\}}}|tkr,|tkr(td|S |tkrH|tkrDtd|S |tkr|tkrxxt|D ]} jt qbW d S t	|}x t|D ]}|j
 jt qW  jd k	r j|} jr|S t|S |tkrz|tkrx$t|D ]} jt  jt qW d S  jd k	r0 j fddt|D }nFi }x*t|D ]} jt} jt||< q>W  jd k	rv j|}|S |tkrd S |tkrЈ jd k	r|j j j}n jrt|}n
|jd}|S |tkr j|t|S |tkrt|S |tks
t|S )NzExpected arrayzExpected mapc             3   s"   | ]} j t j tfV  qd S )N)rF   EX_CONSTRUCT).0_)r   r   r   	<genexpr>W  s   z#Unpacker._unpack.<locals>.<genexpr>utf_8)r   EX_READ_ARRAY_HEADERr   r%   EX_READ_MAP_HEADERr   EX_SKIPxrangerF   r
   r   r   rb   ra   r1   rd   rc   r   r_   decoder`   r^   r   r   re   r   r   r{   )	r   r   r   r   r.   r   rK   r   keyr   )r   r   rF   5  sh    













zUnpacker._unpackc             C   s   | S )Nr   )r   r   r   r   __iter__s  s    zUnpacker.__iter__c             C   s<   y| j t}| j  |S  tk
r6   | j  tY nX d S )N)rF   r   r}   r$   StopIteration)r   rK   r   r   r   __next__v  s    
zUnpacker.__next__c             C   s@   | j t |d k	r4tjdt || j| j| j  | j  d S )Nz;`write_bytes` option is deprecated.  Use `.tell()` instead.)	rF   r   r6   r7   DeprecationWarningrT   rY   rX   r}   )r   write_bytesr   r   r   skip  s
    
zUnpacker.skipc             C   s@   | j t}|d k	r4tjdt || j| j| j  | j  |S )Nz;`write_bytes` option is deprecated.  Use `.tell()` instead.)	rF   r   r6   r7   r   rT   rY   rX   r}   )r   r   rK   r   r   r   rC     s    
zUnpacker.unpackc             C   s@   | j t}|d k	r4tjdt || j| j| j  | j  |S )Nz;`write_bytes` option is deprecated.  Use `.tell()` instead.)	rF   r   r6   r7   r   rT   rY   rX   r}   )r   r   rK   r   r   r   read_array_header  s    
zUnpacker.read_array_headerc             C   s@   | j t}|d k	r4tjdt || j| j| j  | j  |S )Nz;`write_bytes` option is deprecated.  Use `.tell()` instead.)	rF   r   r6   r7   r   rT   rY   rX   r}   )r   r   rK   r   r   r   read_map_header  s    
zUnpacker.read_map_headerc             C   s   | j S )N)rk   )r   r   r   r   tell  s    zUnpacker.tell)N)N)N)N)r   r   r   __doc__r)   r   rE   r}   rG   rH   r   r~   r   r   r   rF   r   r   nextr   rC   r   r   r   r   r   r   r   rD      s8   NE  U>	



rD   c               @   s   e Zd ZdZd!ddZeeefddZd	d
 Z	dd Z
dd Zdd Zdd Zdd Zdd ZefddZdd Zdd Zdd Zdd  ZdS )"Packerah  
    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.

    :param bool strict_types:
        If set to true, types will be checked to be exact. Derived classes
        from serializeable 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 str encoding:
        (deprecated) Convert unicode to bytes with this encoding. (default: 'utf-8')

    :param str unicode_errors:
        Error handler for encoding unicode. (default: 'strict')
    NFTc             C   st   |d krd}nt jdt |d kr&d}|| _|| _|| _|| _|| _|| _t	 | _
|d k	rjt|sjtd|| _d S )Nr   z.encoding is deprecated, Use raw=False instead.rL   zdefault must be callable)r6   r7   r=   _strict_types
_use_float
_autoreset_use_bin_typer_   r`   r   rT   rR   r3   _default)r   defaultrr   rs   use_single_float	autoresetuse_bin_typestrict_typesr   r   r   r     s$    zPacker.__init__c             C   s  d}| j r|}t}nttf}xn|dk r0td|d krD| jjdS ||trj|r^| jjdS | jjdS ||trd|  kodk n  r| jjtj	d|S d;|  kodk n  r| jjtj	d
|S d|  kodkn  r| jjtj	dd|S d<|  kodk n  r.| jjtj	dd|S d|  k oBdkn  r`| jjtj	dd|S d=|  kotd>k n  r| jjtj	dd|S d|  k odkn  r| jjtj	dd|S d?|  kod@k n  r| jjtj	dd|S d|  k o
dkn  r(| jjtj	dd|S dA|  ko<dBk n  rZ| jjtj	d d!|S | r~| j
d k	r~| j
|}d"}q td#||ttfrt|}|dCkrtd%t|j | j| | jj|S ||tr0| jd krtd&|j| j| j}t|}|dDkrtd'| j| | jj|S ||trrt||j }|dEkr\td(| j| | jj|S ||tr| jr| jjtj	d)d*|S | jjtj	d+d,|S ||tr|j}|j}	t|t st!t|	tst!t|	}
|
d-kr
| jjd. n|
d$kr"| jjd/ n|
d0kr:| jjd1 n|
d2krR| jjd3 nr|
d4krj| jjd5 nZ|
dkr| jjtj	d6d7|
 n8|
dkr| jjtj	dd8|
 n| jjtj	dd9|
 | jjtj	d
| | jj|	 d S |||r2t|}| j"| x&t#|D ]}| j$|| |d-  qW d S ||t%rX| j&t|t'||d- S | r|| j
d k	r|| j
|}d-}q td:|f q W d S )FNFr   zrecursion limit exceeded         r   B    r   r   BBr   z>Bbr   i  z>BHr   i   z>Bhr   l    z>BIr   l        z>Bir   l    z>BQr   l            z>Bqr   TzInteger value out of ranger+   z%s is too largez5Can't encode unicode string: no encoding is specifiedzString is too largezMemoryview is too largez>Bfr   z>Bdr   r*         r,      r      rP      z>BBr   r   r   zCannot serialize %riii ii   i l         i   l        l        l        )(r   listr1   r&   rT   r   r]   	int_typesr   packr   r'   r   r   r   r0   r   _pack_bin_headerUnicoder_   r3   encoder`   _pack_raw_headerr   r9   floatr   r)   coderB   r   intr{   _pack_array_headerr   _packdict_pack_map_pairsr   )r   r.   
nest_limitcheckcheck_type_strictdefault_used
list_typesr   r   rB   r   r   r   r   r   r     s    

















zPacker._packc          	   C   sR   y| j | W n   t | _ Y nX | jj }| jr@t | _ntrNt|| _|S )N)r   r   rT   r   r   USING_STRINGBUILDER)r   r.   rK   r   r   r   r   T  s    


zPacker.packc             C   s<   | j t|| | jj }| jr*t | _ntr8t|| _|S )N)r   r   rT   r   r   r   r  )r   pairsrK   r   r   r   pack_map_pairsa  s    


zPacker.pack_map_pairsc             C   sB   |dkrt | j| | jj }| jr0t | _ntr>t|| _|S )Nr+   r   l        )r&   r   rT   r   r   r   r  )r   r   rK   r   r   r   pack_array_headerj  s    



zPacker.pack_array_headerc             C   sB   |dkrt | j| | jj }| jr0t | _ntr>t|| _|S )Nr+   r   l        )r&   _pack_map_headerrT   r   r   r   r  )r   r   rK   r   r   r   pack_map_headeru  s    



zPacker.pack_map_headerc             C   sL  t |tstdd|  ko$dkn  s2tdt |tsDtdt|}|dkr\td|dkrr| jjd	 n|d
kr| jjd n|dkr| jjd n|dkr| jjd nt|dkr| jjd n^|dkr| jjdt	j
d|  n<|dkr| jjdt	j
d|  n| jjdt	j
d|  | jjt	j
d| | jj| d S )Nztypecode must have int type.r      ztypecode should be 0-127zdata must have bytes typel    zToo large datar*   r   r+   r   r,   r   r   r   rP   r   r      r   i     z>H   z>I)r   r   r3   r:   r   r   r&   rT   r   r   r   )r   typecoderB   r   r   r   r   pack_ext_type  s4    


zPacker.pack_ext_typec             C   sh   |dkr | j jtjdd| S |dkr>| j jtjdd|S |dkr\| j jtjdd	|S td
d S )Nr   r   r   i  z>BHr   l    z>BIr   zArray is too large)rT   r   r   r   r&   )r   r   r   r   r   r     s    zPacker._pack_array_headerc             C   sh   |dkr | j jtjdd| S |dkr>| j jtjdd|S |dkr\| j jtjdd	|S td
d S )Nr   r   r   i  z>BHr   l    z>BIr   zDict is too large)rT   r   r   r   r&   )r   r   r   r   r   r    s    zPacker._pack_map_headerc             C   s@   | j | x0|D ](\}}| j||d  | j||d  qW d S )Nr*   )r  r   )r   r   r  r   kvr   r   r   r     s    
zPacker._pack_map_pairsc             C   s   |dkr"| j jtjdd|  nn| jrH|dkrH| j jtjdd| nH|dkrh| j jtjdd	| n(|d
kr| j jtjdd| ntdd S )NrO   r   r   r   z>BBr   i  z>BHr   l    z>BIr   zRaw is too large)rT   r   r   r   r   r&   )r   r   r   r   r   r     s    zPacker._pack_raw_headerc             C   sv   | j s| j|S |dkr.| jjtjdd|S |dkrL| jjtjdd|S |dkrj| jjtjdd	|S td
d S )Nr   z>BBr   i  z>BHr   l    z>BIr   zBin is too large)r   r   rT   r   r   r   r&   )r   r   r   r   r   r     s    
zPacker._pack_bin_headerc             C   s
   | j j S )N)rT   r   )r   r   r   r   r     s    zPacker.bytesc             C   s   t  | _d S )N)r   rT   )r   r   r   r   reset  s    zPacker.reset)NNNFTFF)r   r   r   r   r   DEFAULT_RECURSE_LIMITr   r2   r   r   r  r  r  r  r   r  r   r   r   r   r  r   r   r   r   r     s$   (  
m			r   )7r   rU   r   r6   rV   r4   r   r   strr   ranger   r   longunicodehasattrZ__pypy__r
   Z__pypy__.buildersr   r   ImportErrorr  objectr   ior    pip._vendor.msgpack.exceptionsr#   r$   r%   r&   r'   r(   Zpip._vendor.msgpackr)   r   r   r   r   r   r   r   r   r   r   r  r0   r1   r2   r<   rC   r?   rD   r   r   r   r   r   <module>   s^   

     '