Luis P. Mendes a écrit :
> Hi,
>
> I have the following problem:
>
> I instantiate class Sistema from another class. The result is the same
> if I import it to interactive shell.
>
> s = Sistema("par")
>
> class Sistema:
> def __init__(self, par):
> cruza_ema = CruzaEmas(par)
>
> class CruzaEmas(Ema, Cotacoes):
> def __init__(self, par):
> Cotacoes.__init__(self, par) <- calls ancestor class' __init__
>
> class Cotacoes:
> def __init__(self, par):
> print "par: ", par
> self.a()
> def a(self): <- just as an example
> print "ffffffffffffff"
>
> Method a() is not called. Why is this?
Because there are far too many errors before ?
> What is the best option to
> solve this?
Fixing obvious errors would be a good start IMHO.
I tried to run your snippet. Here's a snapshot of the session:
[EMAIL PROTECTED] playground $ cat cotacoes.py
s = Sistema("par")
class Sistema:
def __init__(self, par):
cruza_ema = CruzaEmas(par)
class CruzaEmas(Ema, Cotacoes):
def __init__(self, par):
Cotacoes.__init__(self, par) <- calls ancestor class' __init__
class Cotacoes:
def __init__(self, par):
print "par: ", par
self.a()
def a(self): <- just as an example
print "ffffffffffffff"
[EMAIL PROTECTED] playground $ python cotacoes.py
File "cotacoes.py", line 9
Cotacoes.__init__(self, par) <- calls ancestor class' __init__
^
SyntaxError: invalid syntax
[EMAIL PROTECTED] playground $
(fix)
[EMAIL PROTECTED] playground $ python cotacoes.py
File "cotacoes.py", line 15
def a(self): <- just as an example
^
SyntaxError: invalid syntax
(fix)
[EMAIL PROTECTED] playground $ python cotacoes.py
Traceback (most recent call last):
File "cotacoes.py", line 1, in ?
s = Sistema("par")
NameError: name 'Sistema' is not defined
(fix)
[EMAIL PROTECTED] playground $ python cotacoes.py
Traceback (most recent call last):
File "cotacoes.py", line 5, in ?
class CruzaEmas(Ema, Cotacoes):
NameError: name 'Ema' is not defined
(fix with a dummy class)
[EMAIL PROTECTED] playground $ python cotacoes.py
Traceback (most recent call last):
File "cotacoes.py", line 8, in ?
class CruzaEmas(Ema, Cotacoes):
NameError: name 'Cotacoes' is not defined
(grr... fix)
[EMAIL PROTECTED] playground $ python cotacoes.py
par: par
ffffffffffffff
here's the fixed code:
[EMAIL PROTECTED] playground $ cat cotacoes.py
class Sistema:
def __init__(self, par):
cruza_ema = CruzaEmas(par)
class Ema:
pass
class Cotacoes:
def __init__(self, par):
print "par: ", par
self.a()
def a(self): # <- just as an example
print "ffffffffffffff"
class CruzaEmas(Ema, Cotacoes):
def __init__(self, par):
Cotacoes.__init__(self, par) # <- calls ancestor class'
s = Sistema("par")
[EMAIL PROTECTED] playground $
It would have been nice to take the time to test your snippet at least
once.
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