[issue16917] Misleading missing parenthesis syntax error

2013-01-11 Thread Dražen Lučanin
Dražen Lučanin added the comment: Yes, I see your point. Well, for now I am voting for issue1634034 to get some sort of resolution, as Serhiy mentioned, as it might help this scenario as well. Cheers! On Thu, Jan 10, 2013 at 4:29 PM, Ezio Melotti wrote: > > Ezio Melotti added the comment: > >

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Ezio Melotti
Ezio Melotti added the comment: > This would all be a bit simpler if an indent was obligatory after > inserting a newline in the middle of a command. This is not such a bad idea, but it is not backward-compatible and it would be inconsistent with how parentheses works in other situations. Deve

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Dražen Lučanin
Dražen Lučanin added the comment: Yes, sure, I agree with both comments. Fors are a bit disambiguous in this context in comparison to while loops. But something in the style of Ezio's explanation might come in handy in the error output. e.g. SyntaxError: invalid syntax. "," or ")" expected in t

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Serhiy Storchaka
Serhiy Storchaka added the comment: For better syntax error messages see issue1634034. -- nosy: +serhiy.storchaka ___ Python tracker ___ _

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Mark Dickinson
Mark Dickinson added the comment: > The error is in a missing parenthesis after the append call Well, that's one *possible* cause of the error. But fixing that missing parenthesis isn't the only way to make the code correct, and Python doesn't have any reasonable way to guess which of the var

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Ezio Melotti
Ezio Melotti added the comment: The colon is the first invalid char, for example this is valid python and works: >>> things = ['a', 'b'] >>> things.append('c' ... for a in things) >>> things ['a', 'b', at 0xb76dacfc>] In your case Python expects a genexp like things.append('c' for a in things),

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Dražen Lučanin
Changes by Dražen Lučanin : -- type: compile error -> behavior ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue16917] Misleading missing parenthesis syntax error

2013-01-10 Thread Dražen Lučanin
New submission from Dražen Lučanin: When running this script: things = ['a', 'b'] things.append('c' for a in things: print a I get the following output: $ python script.py File "script.py", line 3 for a in things: ^ SyntaxError: invalid syntax the SyntaxError is