Re: Issue 43 in tinypy: cannot catch an exception

[codesite...@google.com]

Comment #1 on issue 43 by charlie137: cannot catch an exception
http://code.google.com/p/tinypy/issues/detail?id=43

I think this error is normal. The first token after the except keyword
should be the
type of the exception we are looking for. e.g. :

class A:
pass

try:
raise A()
except A, ex:
print(ex)

This code also fails with tinypy, but in the print(ex) statement.

I also noticed that putting several exception clauses is not handled, e.g. :

class A: pass
class B: pass

try:
raise B()
except A: print("got A")
except B: print("got B")

will print "got A" instead of "got B"

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[codesite...@google.com]

Comment #2 on issue 43 by charlie137: cannot catch an exception
http://code.google.com/p/tinypy/issues/detail?id=43

A first attempt to solve the issue. With this patch we can run example
like this one :

class A:
def msg(self):
return "hello"

try:
raise A()
except A, ex:

print("got this :", ex.msg())

The parenthesis in the raise are important, because tinypy won't
automatically
instantiate A() like cpython would do.

Attachments:
handle-exception-variable.patch 444 bytes

[Phil Hassey]

I haven't had time to review the exact patch, but I think I'd rather have it be python 3 syntax than python 2 syntax.  Can it be changed to that? Like: except BlahException as e: ... Thanks! -Phil --- On Fri, 2/5/10, codesite...@google.com <codesite...@google.com> wrote:

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[codesite...@google.com]

Comment #3 on issue 43 by charlie137: cannot catch an exception
http://code.google.com/p/tinypy/issues/detail?id=43

This second patch works with python 3 syntax (except X as x)

Attachments:
handle-exception-variable-2.patch 2.6 KB