j(hdZddlZddlmZdZdZdZdZdZdZ d Z d Z d Z d Z d Zd ZGd dZdS)a TLV (Type-Length-Value) Binary Encoder/Decoder Provides efficient binary serialization for dirty worker protocol messages. Inspired by OpenBSD msgctl/msgsnd message format. Type Codes: 0x00: None (no value bytes) 0x01: bool (1 byte: 0x00 or 0x01) 0x05: int64 (8 bytes big-endian signed) 0x06: float64 (8 bytes IEEE 754) 0x10: bytes (4-byte length + raw bytes) 0x11: string (4-byte length + UTF-8 encoded) 0x20: list (4-byte count + encoded elements) 0x21: dict (4-byte count + encoded key-value pairs) N)DirtyProtocolError !iicpeZdZdZedefdZed dededefdZ edefdZ d S) TLVEncoderz TLV binary encoder/decoder. Encodes Python values to binary TLV format and decodes back. Supports: None, bool, int, float, bytes, str, list, dict. returnch|ttgSt|trtt|rdndgSt|t r+tt gtjd|zSt|tr+ttgtjd|zSt|tr{t|tkr(tdt|dtdttgtjd t|z|zSt|tr|d }t|t"kr(td t|dt"dtt$gtjd t|z|zSt|t&t(frt|t*kr(td t|d t*dtt,gtjd t|g}|D]/}|t0|0d|St|t4r$t|t6kr(tdt|d t6dtt8gtjd t|g}|D]\}}t|tst|}|t0||t0|d|Stdt=|j)aJ Encode a Python value to TLV binary format. Args: value: Python value to encode (None, bool, int, float, bytes, str, list, or dict) Returns: bytes: TLV-encoded binary data Raises: DirtyProtocolError: If value type is not supported Nrr>q>dBytes too large: bytes (max: )>Iutf-8String too large: List too large: items (max: Dict too large: z#Unsupported type for TLV encoding: ) bytes TYPE_NONE isinstancebool TYPE_BOOLint TYPE_INT64structpackfloat TYPE_FLOAT64lenMAX_BYTES_SIZEr TYPE_BYTESstrencodeMAX_STRING_SIZE TYPE_STRINGlisttuple MAX_LIST_SIZE TYPE_LISTappendr joindict MAX_DICT_SIZE TYPE_DICTitemstype__name__)valueencodedpartsitemkvs _/var/www/finuniver-perm.ru/html/student/venv/lib/python3.11/site-packages/gunicorn/dirty/tlv.pyr*zTLVEncoder.encode4s =)%% % eT " " ?)U%> > eS ! ! B*&&T5)A)AA A eU # # D,((6;tU+C+CC C eU # # O5zzN**(/E //+///*&&T3u::)F)FFN N eS ! ! Tll7++G7||o--(0W00,000+''&+dCLL*I*IIGS S edE] + + #5zzM))(.s5zz..*...I;''T3u::)F)FGE 6 6 Z..t44555588E?? " eT " " #5zzM))(.s5zz..*...I;''T3u::)F)FGE  3 31!!S))AA Z..q11222 Z..q11222288E?? " H$u++2F H H   rrdataoffsetc  |t|krtd|||dz||}|dz }|tkrd|fS|tkrE|t|krtd||dz |dz||dk}||dzfS|tkrb|dzt|krtd ||dz |dzt jd |||dzd}||dzfS|tkrb|dzt|krtd ||dz |dzt jd |||dzd}||dzfS|tkr|d zt|krtd||dz |dzt jd|||d zd}|d z }|tkrtd|dtd||zt|kr5td|dt||z ||dz |dz||||z}|||zfS|tkr9|d zt|krtd||dz |dzt jd|||d zd}|d z }|tkrtd|dtd||zt|kr5td|dt||z ||dz |dz ||||z d}n?#t$r2}td||||t|dzd}~wwxYw|||zfS|tkr|d zt|krtd||dz |dzt jd|||d zd}|d z }|t krtd|dt dg}t#|D]5}t$ ||\} }|| 6||fS|t(kr|d zt|krtd||dz |dzt jd|||d zd}|d z }|t*krtd|dt*di} t#|D]|}t$ ||\} }t-| t.s$td t1| jt$ ||\}}|| | <}| |fStd!|d"||dz |dz)#a9 Decode a TLV-encoded value from binary data. Args: data: Binary data to decode offset: Starting offset in the data Returns: tuple: (decoded_value, new_offset) Raises: DirtyProtocolError: If data is malformed or truncated z Truncated TLV data: no type byteraw_datarNz&Truncated TLV data: missing bool valuerz$Truncated TLV data: incomplete int64rz&Truncated TLV data: incomplete float64rz+Truncated TLV data: incomplete bytes lengthrrrrzTruncated TLV data: expected z bytes, got rz,Truncated TLV data: incomplete string lengthrz bytes for string, got rzInvalid UTF-8 in string: z)Truncated TLV data: incomplete list countrrz)Truncated TLV data: incomplete dict countrzDict key must be string, got zUnknown TLV type code: 0x02x)r&rrrr!r"unpackr%r(r'r,r+decodeUnicodeDecodeErrorminr0r/ranger r1r5r4rr)r7r8) r@rA type_coder9lengthecountr6_r<resultkeys r?rJzTLVEncoder.decodesZ SYY  $2fVb[01  L !   ! !<   ! !T""(<!&1*Vb["89LD(E&1*$ $  " "zCII%%(:!&1*Vb["89M$VFQJ->(?@@CE&1*$ $  $ $zCII%%(<!&1*Vb["89M$VFQJ->(?@@CE&1*$ $  " "zCII%%(A!&1*Vb["89]4fVaZ.?)@AA!DF aKF&&(NNN^NNNT**(0F00t99v-00!&1*Vb["89 /0E&6/) )  # #zCII%%(B!&1*Vb["89]4fVaZ.?)@AA!DF aKF''(PPPoPPPT**(0F00t99v-00!&1*Vb["89  VFVO34;;GDD%   (333!&#fb//)A"AB  &6/) )  ! !zCII%%(?!&1*Vb["89M$VFQJ->(?@@CE aKF}$$(KuKK=KKKE5\\ # #)00v>> f T""""&=  ! !zCII%%(?!&1*Vb["89M$VFQJ->(?@@CE aKF}$$(KuKK=KKKF5\\ $ $(//f== V!#s++,LS 8JLL!+ 1 1$ ? ? v#s 6> ! 7 7 7 7&1*Vb[01    s M%% N!/-NN!ct|d\}}|t|kr0tdt||z d|||dz|S)a Decode a complete TLV-encoded value, ensuring all data is consumed. Args: data: Binary data to decode Returns: Decoded Python value Raises: DirtyProtocolError: If data is malformed or has trailing bytes rzTrailing data after TLV: z bytesrCrD)r rJr&r)r@r9rAs r? decode_fullzTLVEncoder.decode_fullsv#))$22 v SYY  $FCII,>FFFfVb[01  rN)r) r8 __module__ __qualname____doc__ staticmethodrr*r r.rJrVrr?r r ,sH H H H \H TY Y UY CY Y Y Y \Y v%\rr )rYr"errorsrrrr!r%r(r,r0r5r+r'r/r4r r[rr?r]s " &&&&&&         #!  CCCCCCCCCCr