Re: Encoding NaN in JSON

2013-04-22 Thread Wayne Werner
On Sat, 20 Apr 2013, Chris “Kwpolska” Warrick wrote: On Fri, Apr 19, 2013 at 9:42 PM, Grant Edwards invalid@invalid.invalid wrote: The OP asked for a string, and I thought you were proposing the string 'null'. If one is to use a string, then 'NaN' makes the most sense, since it can be

Re: Encoding NaN in JSON

2013-04-20 Thread Chris “Kwpolska” Warrick
On Fri, Apr 19, 2013 at 9:42 PM, Grant Edwards invalid@invalid.invalid wrote: The OP asked for a string, and I thought you were proposing the string 'null'. If one is to use a string, then 'NaN' makes the most sense, since it can be converted back into a floating point NaN object. I infer

Re: Encoding NaN in JSON

2013-04-19 Thread Robert Kern
On 2013-04-19 10:34, Tim Roberts wrote: Miki Tebeka miki.teb...@gmail.com wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string* 'N/A'

Re: Encoding NaN in JSON

2013-04-19 Thread Grant Edwards
On 2013-04-18, Wayne Werner wa...@waynewerner.com wrote: On Wed, 17 Apr 2013, Miki Tebeka wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the

Re: Encoding NaN in JSON

2013-04-19 Thread Chris “Kwpolska” Warrick
On Fri, Apr 19, 2013 at 4:54 PM, Grant Edwards invalid@invalid.invalid wrote: On 2013-04-18, Wayne Werner wa...@waynewerner.com wrote: On Wed, 17 Apr 2013, Miki Tebeka wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's

Re: Encoding NaN in JSON

2013-04-19 Thread Grant Edwards
On 2013-04-19, Chris ???Kwpolska??? Warrick kwpol...@gmail.com wrote: On Fri, Apr 19, 2013 at 4:54 PM, Grant Edwards invalid@invalid.invalid wrote: On 2013-04-18, Wayne Werner wa...@waynewerner.com wrote: On Wed, 17 Apr 2013, Miki Tebeka wrote: I'm trying to find a way to have json emit

Re: Encoding NaN in JSON

2013-04-19 Thread Miki Tebeka
You understand that this will result in a chunk of text that is not JSON? I think he means something like this: json.dumps([float('nan')]) '[N/A]' That's exactly what I mean :) -- http://mail.python.org/mailman/listinfo/python-list

Re: Encoding NaN in JSON

2013-04-18 Thread Roland Koebler
On Thu, Apr 18, 2013 at 11:46:37AM +1000, Chris Angelico wrote: Wait... you can do that? It's internal to iterencode, at least in Python 3.3 and 2.7 that I'm looking at here. In Python 2.6 it wasn't internal to iterencode; in Python 2.7 and 3.x you probably would have to monkey-patch iterencode.

Re: Encoding NaN in JSON

2013-04-18 Thread Wayne Werner
On Wed, 17 Apr 2013, Miki Tebeka wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string* 'N/A' for every NaN. Why not use `null` instead?

Re: Encoding NaN in JSON

2013-04-18 Thread Tim Roberts
Miki Tebeka miki.teb...@gmail.com wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string* 'N/A' for every NaN. You understand that this

Re: Encoding NaN in JSON

2013-04-17 Thread Miki Tebeka
I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string* 'N/A' for every NaN. -- http://mail.python.org/mailman/listinfo/python-list

Re: Encoding NaN in JSON

2013-04-17 Thread John Gordon
In c37a3b9c-6fe8-48aa-b703-9b4f922c3...@googlegroups.com Miki Tebeka miki.teb...@gmail.com writes: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit

Re: Encoding NaN in JSON

2013-04-17 Thread Johann Hibschman
Miki Tebeka miki.teb...@gmail.com writes: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string* 'N/A' for every NaN. Easiest way is probably to

Re: Encoding NaN in JSON

2013-04-17 Thread Miki Tebeka
I'm trying to find a way to have json emit float('NaN') as 'N/A'. Easiest way is probably to transform your object before you try to write Yeah, that's what I ended up doing. Wondered if there's a better way ... Thanks, -- Miki -- http://mail.python.org/mailman/listinfo/python-list

Re: Encoding NaN in JSON

2013-04-17 Thread Dave Angel
On 04/17/2013 03:05 PM, Johann Hibschman wrote: Miki Tebeka miki.teb...@gmail.com writes: I'm trying to find a way to have json emit float('NaN') as 'N/A'. No. There is no way to represent NaN in JSON. It's simply not part of the specification. I know that. I'm trying to emit the *string*

Re: Encoding NaN in JSON

2013-04-17 Thread Roland Koebler
Hi, Easiest way is probably to transform your object before you try to write Yeah, that's what I ended up doing. Wondered if there's a better way ... yes, there is: subclass+extend the JSON-encoder, see pydoc json. e.g.: class JsonNanEncoder(json.JSONEncoder): def default(self, obj):

Re: Encoding NaN in JSON

2013-04-17 Thread Miki Tebeka
[Roland] yes, there is: subclass+extend the JSON-encoder, see pydoc json. Please read the original post before answering. What you suggested does not work since NaN is of float type. -- http://mail.python.org/mailman/listinfo/python-list

Re: Encoding NaN in JSON

2013-04-17 Thread Roland Koebler
Hi, yes, there is: subclass+extend the JSON-encoder, see pydoc json. Please read the original post before answering. What you suggested does not work since NaN is of float type. ok, right, default does not work this way. But I would still suggest to extend the JSON-encoder, since that is

Re: Encoding NaN in JSON

2013-04-17 Thread Chris Angelico
On Thu, Apr 18, 2013 at 11:01 AM, Miki Tebeka miki.teb...@gmail.com wrote: [Roland] yes, there is: subclass+extend the JSON-encoder, see pydoc json. Please read the original post before answering. What you suggested does not work since NaN is of float type. You may be able to override a bit

Re: Encoding NaN in JSON

2013-04-17 Thread Chris Angelico
On Thu, Apr 18, 2013 at 11:39 AM, Roland Koebler r.koeb...@yahoo.de wrote: as a quickhack, you could even monkey patch json.encoder.floatstr with a wrapper which returns N/A for NaN. (I've tested it: It works.) Wait... you can do that? It's internal to iterencode, at least in Python 3.3 and

Encoding NaN in JSON

2013-04-16 Thread Miki Tebeka
Greetings, I'm trying to find a way to have json emit float('NaN') as 'N/A'. I can't seem to find a way since NaN is a float, which means overriding default won't help. Any simple way to do this? Thanks, -- Miki -- http://mail.python.org/mailman/listinfo/python-list

Re: Encoding NaN in JSON

2013-04-16 Thread Tim Roberts
Miki Tebeka miki.teb...@gmail.com wrote: I'm trying to find a way to have json emit float('NaN') as 'N/A'. I can't seem to find a way since NaN is a float, which means overriding default won't help. Any simple way to do this? No. There is no way to represent NaN in JSON. It's simply not part