[mark@toy ~/PP2ndEd/dev/examples/Part3/Embed/TestApi]$ testapi
Hello from C.

SIMPLE STRINGS
Hello, mark.
Args:  ['testapi']
Plat:  linux2
Path:  ['', '/home/mark/PP2ndEd/dev/examples/Part3/Extend/Stacks', '.'] ...

STACK EXTENSION
[Stack:
3: 'M'
2: 'A'
1: 'P'
0: 'S'
]
 4
[Stack:
]
Hello api world

DYNAMIC RELOADING
result => 12
change testapi.py now...
result => 32
change testapi.py now...
Error running func
  File "testapi.py", line 14
    return x \ y             # change me
                                        ^
SyntaxError: invalid token
change testapi.py now...
Error running func
Traceback (innermost last):
  File "testapi.py", line 14, in func
    return x / 0             # change me
ZeroDivisionError: integer division or modulo
change testapi.py now...
result => 65536

DYNAMIC DEBUGGING
Debug code string--type s to step...
> <string>(0)?()
(Pdb) s
> testapi.py(13)func()
-> def func(x, y):              # called by C
(Pdb) s
> testapi.py(14)func()
-> return pow(x, y)         # change me
(Pdb) w
  <string>(0)?()
> testapi.py(14)func()
-> return pow(x, y)         # change me
(Pdb) p x, y
(4, 8)
(Pdb) l 13,15
 13     def func(x, y):              # called by C
 14  ->     return pow(x, y)         # change me
 15
(Pdb) s
--Return--
> testapi.py(14)func()->65536
-> return pow(x, y)         # change me
(Pdb) s
--Return--
> <string>(0)?()->65536
(Pdb) s
C status, result => 0, 65536

Debug module function call--type s to step...
> testapi.py(13)func()
-> def func(x, y):              # called by C
(Pdb) l 13,15
 13  -> def func(x, y):              # called by C
 14         return pow(x, y)         # change me
 15
(Pdb) c
> testapi.py(14)func()
-> return pow(x, y)         # change me
(Pdb) c
--Return--
> testapi.py(14)func()->65536
-> return pow(x, y)         # change me
(Pdb) c
C status, result => 0, 65536

Debug compiled bytecode--type s to step...
> <PP_Compile_Codestr>(0)?()
(Pdb) s
> testapi.py(13)func()
-> def func(x, y):              # called by C
(Pdb) b 14
Breakpoint 1 at testapi.py:14
(Pdb) l 13,15
 13  -> def func(x, y):              # called by C
 14 B       return pow(x, y)         # change me
 15
(Pdb) c
> testapi.py(14)func()
-> return pow(x, y)         # change me
(Pdb) c
--Return--
> <PP_Compile_Codestr>(0)?()->65536
(Pdb) c
C status, result => 0, 65536

Debug direct object call--type s to step...
> testapi.py(13)func()
-> def func(x, y):              # called by C
(Pdb) s
> testapi.py(14)func()
-> return pow(x, y)         # change me
(Pdb) p x, y
(4, 8)
(Pdb) c
--Return--
> testapi.py(14)func()->65536
-> return pow(x, y)         # change me
(Pdb) c
C status, result => 0, 65536


OBJECT ATTRIBUTES
[check sys.version <ctrl-d exits>]
>>> sys
<module 'sys' (built-in)>
>>> sys.version[:50]
'1.5.2 (#16, Oct 19 1999, 15:47:45)  [GCC egcs-2.91'
>>> dir()
['Stack', '__builtins__', '__doc__', '__name__', 'c', 'error', 'os', 'sys', 'x']
>>>
fetched sys.version => 1.5.2 (#16, Oct 19 1999, 15:47:45)  [GCC egcs-2.91...
changed sys.version => 2.0 (2001?)
sys.modules.has_key('testapi')  result => 1
sys.modules.has_key('nonesuch') result => 0
Sending text to sys.stdout.write...<stdout text>
Bye from C.