>
> This smells like a cardinality problem - in particular I suspect that in
> your .proto file you've specified the Watch RPC method as request-streaming
> but in the code you've pasted above you are attempting to invoke the method
> as though it were request-unary. If you intend the Watch RPC method to only
> ever be given exactly one WatchRequest message, do you need to remove the
>
first "stream " from "rpc Watch(stream WatchRequest) returns (stream
> WatchResponse) {}" in your .proto file? If you intend the Watch RPC method
> to be able to be given zero or more WatchRequest messages and wish in the
> context of this one call to give it just one WatchRequest message, do you
> need to change your invocation to "watch = wi.Watch(iter((wr,)))"?
>
> The thread supposed to feed the watch-Rendevouz died leaving the console
>> in an eternal loop (or maybe there is a long timeout) if I try to use
>> watch.next()
>>
>> I tried debugging it, but the automatedly generated code is stacked so
>> deep and on top there is the threading complexity.... i have no idea what
>> the final function does and why it would try to treat the WatchRequest as
>> an iterator. I haven't modified the output of the grpc tools at all.
>>
>> If someone has an Idea, could help me with this, or even has a working
>> ETCD V3 Interface for python laying around. I would be grateful for either.
>>
>
> Thank you for including your Python code - it would also help to look at
> the associated .proto code.
> -Nathaniel
>
Of course, my bad. The protoflies are part of the official etcd3 project, I
will post the link below:
https://github.com/coreos/etcd/blob/master/etcdserver/etcdserverpb/rpc.proto
It seems that it actually expects a stream of watch requests (which doesn't
appear to make sense to me at first glance, but I am not very experienced
with either etcd nor grpc yet). I will try to go for either of your
solutions. Thank you so much for the response. I really was stuck. I hope
providing the proto-file gives more clarification.
Greets,
Martin
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