On Nov 6, 2:18 pm, SimonPalmer <[EMAIL PROTECTED]> wrote: > On Nov 6, 8:11 pm, "Chris Rebert" <[EMAIL PROTECTED]> wrote: > > > > > On Thu, Nov 6, 2008 at 12:04 PM, SimonPalmer <[EMAIL PROTECTED]> wrote: > > > Hi, I am looking for a way to convert a List of floating point numbers > > > to and from text. I am embedding it in an XML document and am looking > > > for a neat way to serialise and de-serialise a list from a text node. > > > I can easily write something to do it manually but I wondered whether > > > List had native support to go to and from text. > > > > If not List, are there any other collections/arrays that do this? > > > It's not really a matter of the collection, but more a matter of > > serialization format/library. > > > If you want the serialized representation to be human-readable, use > > JSON (http://docs.python.org/library/json.html#module-json). > > If that's not a requirement, use pickle > > (http://docs.python.org/library/pickle.html#module-pickle). > > Both modules can convert simple Python data, such as your list of > > floats, to a bytestream and back again. > > > Cheers, > > Chris > > -- > > Follow the path of the Iguana...http://rebertia.com > > > > TIA > > > Simon > > > -- > > >http://mail.python.org/mailman/listinfo/python-list > > I looked at pickle, but the problem is that I want my XML to be > readable by languages other than python, so it sort of precludes it. > JSON would be perfect, but I think the module only exists in 2.6, is > that right? Unfortunately I am bound to 2.4. > > It is looking more and more like I am going to have to roll my own.
There is PyYAML, yet-another-markup-language. Bindings go all the way back to 2.3. http://pyyaml.org/wiki/PyYAML You can always just do ' '.join( alist ) to store, and astring.split( ) to load. -- http://mail.python.org/mailman/listinfo/python-list
