On Wed, Jan 3, 2018 at 6:45 PM, Victor Stinner
wrote:
> Is it possible to run a generator in a context explicitly using PEP
> 567 Context.run() API?
>
Yes. You execute 'ctx = copy_context()' once, and then wrap all .next()
calls in ctx.run(). This is what the PEP proposes to do for asyncio.Task
On Thu, Jan 4, 2018 at 4:11 AM, Paul Moore wrote:
> On 4 January 2018 at 02:15, Nathaniel Smith wrote:
> > On Wed, Jan 3, 2018 at 5:42 PM, Victor Stinner
> wrote:
> >> It seems like many people, including myself, are confused by the lack
> >> of concrete current context in the PEP 567 (contextv
On 4 January 2018 at 02:15, Nathaniel Smith wrote:
> On Wed, Jan 3, 2018 at 5:42 PM, Victor Stinner
> wrote:
>> Hi,
>>
>> It seems like many people, including myself, are confused by the lack
>> of concrete current context in the PEP 567 (contextvars). But it isn't
>> difficult to implement the
2018-01-04 3:15 GMT+01:00 Nathaniel Smith :
> The problem with such an API is that it doesn't work (or at the very
> least creates a lot of complications) in a potential future PEP 550
> world, (...)
Hum, it's annoying that many design choices of the PEP 567 are
motivated by the hypothetical accep
On Wed, Jan 3, 2018 at 5:42 PM, Victor Stinner wrote:
> Hi,
>
> It seems like many people, including myself, are confused by the lack
> of concrete current context in the PEP 567 (contextvars). But it isn't
> difficult to implement the current context (I implemented it, see
> below).
The problem
Victor:
> I modified Context mapping API to use the context variables from the
> current thread state if it's the current thread state.
Oops, I mean: "if it's the current context".
Nathaniel:
"""
- BUT it doesn't allow mutation through the MutableMapping interface;
instead, the only way to mutate
Hi,
It seems like many people, including myself, are confused by the lack
of concrete current context in the PEP 567 (contextvars). But it isn't
difficult to implement the current context (I implemented it, see
below). It might have a *minor* impact on performance, but Context
mapping API is suppo
