Hi Steve,
Quickly handwaved:
```
from traitlets import Configurable, Unicode
class MyCustomContentManager(Configurable):
# the class attribute will be AutoMagically be made a instance one
and accessible via self.parameter.
parameter = Unicode('default', config=True, help='Frobulate
parameter as Unicode from the command line or config files.')
def __init__(self, ..., parent=None, config=None):
super().__init__(...,parent=parent, config=config) # important
...
```
You can set the value of parameter with
`c.MyCustomContentManager.parameter = 'Whatever'` in any config file.
This pattern is in many places of our codebase[1] and uses metaclasses.
If your content manager inherit from ours , then
`c.ContentManager.parameter = 'Whatever'` should work as well.
Does that make some sens ? There is a bit more magic involved if you
want advanced features, but I guess that might be already a lot to
digest.
Cheers,
--
M
[1]:
https://github.com/jupyter/notebook/blob/master/notebook/services/contents/manager.py#L65-L95
On Mon, Sep 26, 2016 at 9:47 AM, Steven Anton <[email protected]> wrote:
> Hi everyone,
>
> I have a custom ContentsManager class that I'd like to configure using the
> standard Jupyter tools. In particular, I'm looking for something along the
> lines of adding a line like "c.MyContentsManager.parameter = 'value'" to the
> jupyter_notebook_config.py and reading that parameter in the custom
> ContentsManager. I'm hoping this is an easy task, but I can't seem to find
> the relevant functions in the jupyter source code. Maybe something like:
>
> # source code for the custom ContentsManager
>
> from notebook.services.config import ConfigManager
>
> cm = ConfigManager()
>
> cm.get("MyContentsManager").get("parameter", "default")
>
> Does anyone have ideas on how to accomplish this?
>
> Thanks so much!
> Steve
>
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