Il giorno mar, 17/11/2009 alle 11.48 +0100, Marco Mariani ha scritto:
> Federico wrote:
>
> > Si si era intesto in quel senso certo, scusa non si capiva molto bene.
> > Quindi anche dopo compilato รจ facile vedere il codice interno del
> > programma??Giusto?
> >
>
> Giudica tu.
>
> Questo e' il sorgente di posixpath.walk (file .py):
>
>
> > warnings.warnpy3k("In 3.x, os.path.walk is removed in favor of
> > os.walk.",
> > stacklevel=2)
> > try:
> > names = os.listdir(top)
> > except os.error:
> > return
> > func(arg, top, names)
> > for name in names:
> > name = join(top, name)
> > try:
> > st = os.lstat(name)
> > except os.error:
> > continue
> > if stat.S_ISDIR(st.st_mode):
> > walk(name, func, arg)
>
>
>
> e questo e' il compilato (file .pyc):
>
>
> > 219 0 LOAD_GLOBAL 0 (warnings)
> > 3 LOAD_ATTR 1 (warnpy3k)
> > 6 LOAD_CONST 1 ('In 3.x, os.path.walk is
> > removed in favor of os.walk.')
> > 9 LOAD_CONST 2 ('stacklevel')
> >
> > 220 12 LOAD_CONST 3 (2)
> > 15 CALL_FUNCTION 257
> > 18 POP_TOP
> >
> > 221 19 SETUP_EXCEPT 19 (to 41)
> >
> > 222 22 LOAD_GLOBAL 2 (os)
> > 25 LOAD_ATTR 3 (listdir)
> > 28 LOAD_FAST 0 (top)
> > 31 CALL_FUNCTION 1
> > 34 STORE_FAST 3 (names)
> > 37 POP_BLOCK
> > 38 JUMP_FORWARD 23 (to 64)
> >
> > 223 41 DUP_TOP
> > 42 LOAD_GLOBAL 2 (os)
> > 45 LOAD_ATTR 4 (error)
> > 48 COMPARE_OP 10 (exception match)
> > 51 JUMP_IF_FALSE 8 (to 62)
> > 54 POP_TOP
> > 55 POP_TOP
> > 56 POP_TOP
> > 57 POP_TOP
> >
> > 224 58 LOAD_CONST 4 (None)
> > 61 RETURN_VALUE
> > 62 POP_TOP
> > 63 END_FINALLY
> >
> > 225 64 LOAD_FAST 1 (func)
> > 67 LOAD_FAST 2 (arg)
> > 70 LOAD_FAST 0 (top)
> > 73 LOAD_FAST 3 (names)
> > 76 CALL_FUNCTION 3
> > 79 POP_TOP
> >
> > 226 80 SETUP_LOOP 115 (to 198)
> > 83 LOAD_FAST 3 (names)
> > 86 GET_ITER
> > 87 FOR_ITER 107 (to 197)
> > 90 STORE_FAST 4 (name)
> >
> > 227 93 LOAD_GLOBAL 5 (join)
> > 96 LOAD_FAST 0 (top)
> > 99 LOAD_FAST 4 (name)
> > 102 CALL_FUNCTION 2
> > 105 STORE_FAST 4 (name)
> >
> > 228 108 SETUP_EXCEPT 19 (to 130)
> >
> > 229 111 LOAD_GLOBAL 2 (os)
> > 114 LOAD_ATTR 6 (lstat)
> > 117 LOAD_FAST 4 (name)
> > 120 CALL_FUNCTION 1
> > 123 STORE_FAST 5 (st)
> > 126 POP_BLOCK
> > 127 JUMP_FORWARD 25 (to 155)
> >
> > 230 130 DUP_TOP
> > 131 LOAD_GLOBAL 2 (os)
> > 134 LOAD_ATTR 4 (error)
> > 137 COMPARE_OP 10 (exception match)
> > 140 JUMP_IF_FALSE 10 (to 153)
> > 143 POP_TOP
> > 144 POP_TOP
> > 145 POP_TOP
> > 146 POP_TOP
> >
> > 231 147 JUMP_ABSOLUTE 87
> > 150 JUMP_FORWARD 2 (to 155)
> > 153 POP_TOP
> > 154 END_FINALLY
> >
> > 232 155 LOAD_GLOBAL 7 (stat)
> > 158 LOAD_ATTR 8 (S_ISDIR)
> > 161 LOAD_FAST 5 (st)
> > 164 LOAD_ATTR 9 (st_mode)
> > 167 CALL_FUNCTION 1
> > 170 JUMP_IF_FALSE 20 (to 193)
> > 173 POP_TOP
> >
> > 233 174 LOAD_GLOBAL 10 (walk)
> > 177 LOAD_FAST 4 (name)
> > 180 LOAD_FAST 1 (func)
> > 183 LOAD_FAST 2 (arg)
> > 186 CALL_FUNCTION 3
> > 189 POP_TOP
> > 190 JUMP_ABSOLUTE 87
> > 193 POP_TOP
> > 194 JUMP_ABSOLUTE 87
> > 197 POP_BLOCK
> > 198 LOAD_CONST 4 (None)
> > 201 RETURN_VALUE
>
>
>
Si certo la sicurezza totale credo non ci sia, questo purtroppo lo so
benissimo anche io, quello che mi interessava capire era se poi una
volta compilato rimanevano in chiaro i file .py o venivano per lo meno
chiusi. Siete stati molto esaustivi con le vostre risposte grazie mille
Federico
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