Re: : in the flow context for PyYAML and SnakeYAML

Hi William,

On 08/24/2010 08:32 PM, William Spitzak wrote:
> libyaml, which I thought was following the spec, quite specifically does
> not require a ':' in a "flow" context. There is code in there that
> literally says it is doing this, so somebody thought it was correct.
>
> Here is a conversion using the event api of libyaml to read and write
> some 1-line files (the output has "flow" and all quoting forced on to
> make it understandable):
>
> a:1 -> "a:1"
> a: 1 -> {"a": "1"}
> {a:1} -> {"a": "1"}
> {a: 1} -> {"a": "1"}
>
> So libyaml is doing what I think is being requested.

Not sure how you get these.  The first two examples and the last one are 
non-controversial.  However I'm getting a scanner error on {a:1}:

 >>> import yaml
 >>> yaml.load("{a:1}", Loader=yaml.CLoader)
Traceback (most recent call last):
   [...]
yaml.scanner.ScannerError: while scanning a plain scalar
   in "<byte string>", line 1, column 2
found unexpected ':'
   in "<byte string>", line 1, column 3

Note that CLoader uses libyaml bindings internally.

Perhaps you are using some patched version of libyaml?


Thanks,
Kirill

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