A RetroSearch Logo

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Search Query:

Showing content from https://mail.python.org/pipermail/python-dev/2003-March/034171.html below:

python-dev Summary for 2003-03-01 through 2003-03-15)

[Python-Dev] capability-mediated modules (was: python-dev Summary for 2003-03-01 through 2003-03-15)Ben Laurie ben@algroup.co.uk
Thu, 20 Mar 2003 10:33:26 +0000
Greg Ewing wrote:
> Zooko <zooko@zooko.com>:
> 
> 
>>Now what I would *like* is that instead of doing "import os" to load code, 
>>instead the caller provides, or doesn't provide the os module as part of the 
>>construction/invocation of A.
>>
>>I don't have a clear idea yet of how that could be implemented in a 
>>Pythonic, compatible way.
> 
> 
> Maybe, instead of there being one ultra-global namespace for importing
> modules from, it should be part of a function's environment. By
> default a function invocation would inherit the "import environment"
> of it's caller, but the caller could override this to provide a more
> restricted environment.

Inheriting things is not the capability way. Passing capabilities that 
allow imports is, of course, but isn't very Pythonic. I'm not sure 
there's a neat way to fix this that keeps both camps happy.

> This would be equivalent to passing in a set of allowable
> modules as an implicit parameter to every call.

Making it explicit would make me happy. Can you pass parameters to an 
import?

Cheers,

Ben.

-- 
http://www.apache-ssl.org/ben.html       http://www.thebunker.net/

"There is no limit to what a man can do or how far he can go if he
doesn't mind who gets the credit." - Robert Woodruff




RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4