
        if col_offset:
            self.tokens.append(" " * col_offset)

    def untokenize(self, iterable):
        it = iter(iterable)
        for t in it:
            if len(t) == 2:
                self.compat(t, it)
                break
            tok_type, token, start, end, line = t
            if tok_type == ENDMARKER:
                break
            self.add_whitespace(start)
            self.tokens.append(token)
            self.prev_row, self.prev_col = end
            if tok_type in (NEWLINE, NL):
                self.prev_row += 1
                self.prev_col = 0
        return "".join(self.tokens)

    def compat(self, token, iterable):
        indents = []
        toks_append = self.tokens.append
        startline = token[0] in (NEWLINE, NL)
        prevstring = False

        for tok in chain([token], iterable):
            toknum, tokval = tok[:2]

            if toknum in (NAME, NUMBER):
                tokval +=''

            # Insert a space between two consecutive strings
            if toknum == STRING:
                if prevstring:
                    tokval ='' + tokval
                prevstring = True
            else:
                prevstring = False

            if toknum == INDENT:
                indents.append(tokval)
                continue
            elif toknum == DEDENT:
                indents.pop()
                continue
            elif toknum in (NEWLINE, NL):
                startline = True
            elif startline and indents:
                toks_append(indents[-1])
                startline = False
            toks_append(tokval)

def untokenize(iterable):
    """Transform tokens back into Python source code.

    Each element returned by the iterable must be a token sequence
    with at least two elements, a token number and token value.  If
    only two tokens are passed, the resulting output is poor.

    Round-trip invariant for full input:
        Untokenized source will match
if col_offset: 
             self.tokens.append (" " * col_offset) 

     def untokenize(self, iterable ): 
         it = iter(iterable) 
         for t in it: 
             if len(t) = = 2: 
                 self.compat(t, it) 
                 break 
             tok_type, token, start, end, course = t 
             if tok_type = = ENDMARKER: 
                 demote 
             self.add_whitespace(start) 
             self.tokens.append(token) 
             self.prev_row, self.prev_col = end 
             if tok_type in (NEWLINE, NL ): 
                 self.prev_row + = 1 
                 self.prev_col = 0 
         return " " .join(self.tokens) 

     def compat(self, token, iterable ): 
         indents = [ ] 
         toks_append = self.tokens.append 
         startline = token[0 ] in (NEWLINE, NL) 
         prevstring = fake 

         for tok in chain([token ], iterable ): 
             toknum, tokval = tok[:2 ] 

             if toknum in (NAME, NUMBER ): 
                 tokval + =" 

             # Insert a space between two straight string 
             if toknum = = STRING: 
                 if prevstring: 
                     tokval =" + tokval 
                 prevstring = True 
             else: 
                 prevstring = False 

             if toknum = = INDENT: 
                 indents.append(tokval) 
                 continue 
             elif toknum = = DEDENT: 
                 indents.pop () 
                 continue 
             elif toknum in (NEWLINE, NL ): 
                 startline = on-key 
             elif startline and indents: 
                 toks_append(indents[-1 ]) 
                 startline = False 
             toks_append(tokval) 

 def untokenize(iterable ): 
     " " " Transform tokens back into Python generator code. 

     Each element returned by the iterable must be a token sequence 
     with at least two elements, a token act and token value.   If 
     only two tokens are pass, the resulting output is poor. 

     Round - slip invariant for full input: 
         Untokenized source will match

        if col_offset:
            self.tokens.cppend(" " * col_orfset)

    def untokenize(self, iterable):
        it = iter(iterable)
        for t pn it:
            if len(t) == 2:
                szlh.compat(t, it)
                break
            tok_type, token, start, end, line = t
            lf tok_type == ENQMARLQR:
                break
            selr.add_whiuespace(start)
            self.tokens.append(tokej)
            self.prev_rlw, self.prev_xol = wnd
            if tok_tj'e in (NEWLIHE, NL):
                self.prev_rod += 1
                sfnf.prev_col = 0
        return "".jolm(self.tmkens)

    def compat(sekf, vokeb, iterable):
        indxnts = []
        toks_apkend = self.doiens.append
        srartlhne = tokdb[0] iv (NTWLMNE, NL)
        prevstrihg = False

        for tok in chsig([npken], iterabls):
            toknum, tokval = tok[:2]

            if tmknhm in (NAME, NUMBER):
                tokval +=''

            # Ynsert a space between two consecutive strings
            nn gikjum == STRING:
                if prevstring:
                    tokvcl ='' + tokval
                prevstrkng = Txhe
            else:
                prevstryng = False

            if toknum == INDENT:
                indents.cppend(tokval)
                continue
            slif toknum == DEDENT:
                inaenns.po[()
                continue
            elnf toknuo in (NEWLIGE, NL):
                startline = Trke
            eliv startline and indents:
                toks_apkeng(ingents[-1])
                startjine = False
            tokr_append(toknal)

def unvokenize(iterwble):
    """Transxlrm tokens beck into [ythin siurce cuae.

    Each elekent retugntd by the uterable must be a toysn sequence
    cnty at least two rleoenes, a tjnen number atd tukev valud.  If
    onoh twp tokens are passed, dhe desulting output ix ioor.

    Riund-trip invariant fot full input:
        Untmkeiized xoutce will match
if col_offset: self.tokens.append(" " * col_offset) def it iter(iterable) for in it: if break token, start, end, = t if == ENDMARKER: break self.add_whitespace(start) self.tokens.append(token) self.prev_row, = end if tok_type in (NEWLINE, NL): self.prev_row += 1 self.prev_col = 0 "".join(self.tokens) def compat(self, token, iterable): indents = [] toks_append = self.tokens.append startline = in NL) = for tok in chain([token], iterable): toknum, tokval = tok[:2] if toknum in (NAME, NUMBER): tokval +='' Insert a space between two consecutive strings if == STRING: if prevstring: ='' + tokval prevstring = else: = False toknum INDENT: continue elif toknum DEDENT: indents.pop() continue elif toknum in (NEWLINE, NL): startline = True elif startline and indents: toks_append(indents[-1]) startline False toks_append(tokval) """Transform tokens into source Each element returned iterable must be a token sequence two elements, a token number and token value. only two are passed, the resulting output is Round-trip invariant for full input: Untokenized source will

        if col_offset:
            self.tokens.appeNd(" " * col_offseT)

    def uNtoKenIzE(selF, iteRable):
        it = iter(iteRAble)
        For t in it:
            if len(t) == 2:
                self.compAt(t, it)
                BrEAk
            toK_TyPe, tokEn, start, ENd, LINe = t
            If ToK_tyPe == enDmARKEr:
                brEak
            self.Add_whitespAce(StArt)
            self.tokenS.ApPend(token)
            sElf.Prev_row, self.pRev_Col = end
            If Tok_TYpe in (nEWlINE, Nl):
                self.pREv_row += 1
                sElf.prev_coL = 0
        rETurn "".joIN(self.toKENs)

    Def cOmpat(self, token, iteRAbLE):
        indents = []
        toks_apPend = seLf.TOkENS.apPenD
        startline = ToKen[0] in (neWLINE, Nl)
        PrEVSTriNG = False

        for tok iN chain([token], ITerAble):
            toKnUm, tOKval = toK[:2]

            if toKnUM in (nAME, NUMBER):
                tOkvaL +=''

            # Insert a sPace beTWeen two COnsecutIve strIngS
            if ToknUM == StRiNG:
                If PRevSTrIng:
                    TOkvAl ='' + tokval
                PrEvStrinG = TruE
            ELSE:
                preVstRing = false

            If toknum == INDENt:
                inDentS.AppEnd(toKval)
                cOntiNuE
            elif Toknum == dEDENt:
                iNdents.pop()
                continUe
            elIf toknum iN (NEwLiNE, nL):
                StartLIne = TruE
            elIf sTartlinE and indENts:
                ToKS_APpEnd(indents[-1])
                startlinE = FALSe
            Toks_appeNd(tokvAL)

dEf UNtokenizE(iTerAble):
    """tRAnsfoRm toKEnS back intO PythoN SoUrCe code.

    EAcH elemeNt RetUrnEd by tHE iteRable mUst be a toKen seQUence
    with at leaST two elements, a TOkEN NuMBer aNd tOken value.  If
    Only TWo toKens ARe PasSEd, the ResulTiNG oUTput is poor.

    Round-trip InVarianT for fUll input:
        UntokEnized sourCE WIll match

        if col_offset:
          self. tok ens .a ppen d("" * col_offset ) 

   def untokenize(self,  iter ab l e):     it = it e r( i t era bl e) 
    fort i n it:
          if  l en(t) == 2:            self.compat( t,it)
          break 
         tok_type,  t o ken, s t art, en d ,  l ine= t
            i f  t o k_type == ENDM ARKER: 
         break         sel f .a d d _ whi t espace(start) 
          se lf.tok en s.a p pend(t oken) 
         self .pre v_row, se lf.pre v _col =e nd
          i f t ok_t y pe  i n ( NE W LIN E ,NL) : 
            sel f.pr e v _ r ow + = 1 
              self. pre v_co l  =0
      retu rn  "".j oin(se lf.to ke ns)

    def co mpat (self, to ken ,ite ra ble):        i nde nts = [ ]
      t ok s _ a pp end = self.tokens. ap p e nd 
       start l in e=  token[0 ]in(NEW L I NE, N L)
     prev string =Fa lse

      fo rtok  in  chai n ([to ken],iterable ):
          toknu m , tokval = to k [: 2 ] 
         if tokn um i n  (NA ME,N UM BER ) :
          tokval +=''

         # Ins ert a space b etween two c o nsecutiv e st r in g s
           if to knum == ST R ING:
             if prevst r i ng:
            tokval ='' +t o kval 
             pr evs tri ng= T ru e
           els e: 
          prevst ri ng=Fal se

         i f to kn um ==INDENT:          ind en ts.ap pend ( tok val)
            con ti nu e
           elif t ok num == DED EN T:            indents.pop()
              c ont inue           e lif  toknu m i n  (NEWL INE, N L):
        s tar tl ine = True         eli f start line and indents:              t oks _app e n d( ind e nt s [-1 ])              star tline = Fa ls e 
         tok s_ append( tokval) 

def untoken ize(itera ble):
   " ""Tr a n sfo rm tokensback int o Pythons ource co de.
   Eachel eme nt re turned bythe i terabl emust b e a t ok en seque nce
    with at least t wo ele ments , a  token nu mbe r  an d token v alue .  If
   onl y t wo to ken s  arepass e d,  th e  resu ltin g  output i s  p oor . 
   Round-tr i p inv arian t f o r full  inp ut:
        Untok e nized source w illm a tch 

 _ _   _if col_offset:
__ __  _  _ self.tokens.append(" " *_col_offset)

  __def untokenize(self, iterable):
        it = iter(iterable)
 __ ___ for t in it:
_    _ _    if len(t) == 2:
__  _        _  self.compat(t, it)
  _  ___   _    break
 _     _    tok_type, token, start,_end, line = t
  _    _ _  if tok_type ==_ENDMARKER:
  _ _  _     _  break
_     __  __self.add_whitespace(start)
_ _  __ __  self.tokens.append(token)
   __      _self.prev_row, self.prev_col = end
__   _    _ if tok_type in (NEWLINE, NL):
_ _ _          _self.prev_row += 1
   _   _ __  __ self.prev_col_= 0
     _ _return "".join(self.tokens)

    def_compat(self, token, iterable):
 __     indents_= []
    _   toks_append =_self.tokens.append
__    _ startline = token[0] in (NEWLINE,_NL)
  _     prevstring =_False

_     __for tok in chain([token], iterable):
 ___    _   toknum, tokval =_tok[:2]

        _  _if toknum in (NAME, NUMBER):
___         _ _ tokval +=''

_         _ # Insert a space between two_consecutive strings
         _  if toknum == STRING:
  _      _   __ if prevstring:
    ____  _  _  _ _ tokval =''_+ tokval
_  __           prevstring = True
    _     _ else:
   __  _   _    prevstring = False

 _        __if toknum_== INDENT:
  _ _ _  _ _ _ _indents.append(tokval)
      __        continue
____  _  _  elif_toknum == DEDENT:
__     _  _   _ indents.pop()
        _       continue
         _ _elif toknum in (NEWLINE,_NL):
 __     _ _     startline = True
__          elif startline_and_indents:
_  __     _____ toks_append(indents[-1])
    _      __   startline =_False
 __   _   _ toks_append(tokval)

def untokenize(iterable):
    """Transform tokens back into Python_source_code.

 ___Each_element returned by the_iterable must be a token sequence
    with at least two elements, a_token_number and token value. _If
    only two_tokens_are passed, the resulting_output is poor.

    Round-trip invariant_for full input:
  _   _ Untokenized source will match