o Z@sTddlTddlTddlZddlZddlZddlZGdddeZGdddeZ dS))*NcsJeZdZdZdfdd ZddZddZd d Zd d Zd dZ Z S)ProbeaD Probe that dumps the context, and some stream content (peeks into it) to the screen to aid the debugging process. It can optionally limit itself to a single context entry, instead of printing entire context. :param into: optional, None by default, or context lambda :param lookahead: optional, integer, number of bytes to dump from the stream Example:: >>> d = Struct( ... "count" / Byte, ... "items" / Byte[this.count], ... Probe(lookahead=32), ... ) >>> d.parse(b"\x05abcde\x01\x02\x03") -------------------------------------------------- Probe, path is (parsing), into is None Stream peek: (hexlified) b'010203'... Container: count = 5 items = ListContainer: 97 98 99 100 101 -------------------------------------------------- :: >>> d = Struct( ... "count" / Byte, ... "items" / Byte[this.count], ... Probe(this.count), ... ) >>> d.parse(b"\x05abcde\x01\x02\x03") -------------------------------------------------- Probe, path is (parsing), into is this.count 5 -------------------------------------------------- Ncs$tt|d|_||_||_dS)NT)superr__init__ flagbuildnoneinto lookahead)selfrr __class__A/var/www/html/env/lib/python3.10/site-packages/construct/debug.pyr3s zProbe.__init__cCs||||dSNprintoutr streamcontextpathr r r _parse9z Probe._parsecCs||||dSrrr objrrrr r r _build<rz Probe._buildcCs|d||dS)Nrrr rrr r r _sizeof?sz Probe._sizeofcCs|jr d|jfSdS)Nz print(%s)z print(this))rr coder r r _emitparseCszProbe._emitparsecCstdtd||jf|jr3|dur3|}||j}|||r/tdt|fntd|dur\|jrXz ||}t|WntyWtd|j|fYnwt|tddS)N2--------------------------------------------------zProbe, path is %s, into is %rzStream peek: (hexlified) %s...zStream peek: EOF reachedz&Failed to compute %r on the context %r)printrrtellreadseekhexlify Exception)r rrrfallback datafollows subcontextr r r rFs&      zProbe.printout)NN) __name__ __module__ __qualname____doc__rrrrrr __classcell__r r r r rs,rc@s:eZdZdZddZddZddZdd Zd d d Zd S)Debuggera PDB-based debugger. When an exception occurs in the subcon, a debugger will appear and allow you to debug the error (and even fix it on-the-fly). :param subcon: Construct instance, subcon to debug Example:: >>> Debugger(Byte[3]).build([]) -------------------------------------------------- Debugging exception of path is (building) File "/media/arkadiusz/MAIN/GitHub/construct/construct/debug.py", line 192, in _build return self.subcon._build(obj, stream, context, path) File "/media/arkadiusz/MAIN/GitHub/construct/construct/core.py", line 2149, in _build raise RangeError("expected %d elements, found %d" % (count, len(obj))) construct.core.RangeError: expected 3 elements, found 0 > /media/arkadiusz/MAIN/GitHub/construct/construct/core.py(2149)_build() -> raise RangeError("expected %d elements, found %d" % (count, len(obj))) (Pdb) q -------------------------------------------------- cCsLz |j|||WSty%t|_|j|dd|jtur |jYSw)Nz=(you can set self.retval, which will be returned from method))msg)subconrr%NotImplementedretval handle_excrr r r rxs   zDebugger._parsecCs4z |j||||WSty||YdSwr)r0rr%r3rr r r rs  zDebugger._buildcCs0z|j||WSty||YdSwr)r0rr%r3rr r r rs  zDebugger._sizeofcCs |j|Sr)r0 _compileparserr r r rs zDebugger._emitparseNcCsptdtd|jftd|ftdtjtdd|r)t|ttdtddS)NrzDebugging exception of %rz path is %s) r r0join tracebackformat_exceptionsysexc_infopdb post_mortem)r rr/r r r r3s  zDebugger.handle_excr) r)r*r+r,rrrrr3r r r r r._s r.) construct construct.libr;r9r=inspect Constructr Subconstructr.r r r r s  Y