From: Bruce Richardson <bruce.richardson@intel.com>
To: Owen Hilyard <ohilyard@iol.unh.edu>
Cc: "Juraj Linkeš" <juraj.linkes@pantheon.tech>,
"Thomas Monjalon" <thomas@monjalon.net>,
"David Marchand" <david.marchand@redhat.com>,
ronan.randles@intel.com,
"Honnappa Nagarahalli" <Honnappa.Nagarahalli@arm.com>,
"Tu, Lijuan" <lijuan.tu@intel.com>, dev <dev@dpdk.org>
Subject: Re: [PATCH v4 6/9] dts: add config parser module
Date: Wed, 14 Sep 2022 08:48:04 +0100 [thread overview]
Message-ID: <YyGHNBtHQI2SyUgQ@bricha3-MOBL.ger.corp.intel.com> (raw)
In-Reply-To: <CAHx6DYBWx_Y+T8o99sFs490=zmTu8GuukPktU+a277EsT9Fbrg@mail.gmail.com>
On Tue, Sep 13, 2022 at 01:47:10PM -0400, Owen Hilyard wrote:
> <snip>
>
> > +# Frozen makes the object immutable. This enables further
> optimizations,
> > +# and makes it thread safe should we every want to move in that
> direction.
> > +@dataclass(slots=True, frozen=True)
> > +class NodeConfiguration:
> > + name: str
> > + hostname: str
> > + user: str
> > + password: Optional[str]
> > +
> > + @staticmethod
> > + def from_dict(d: dict) -> "NodeConfiguration":
> > + return NodeConfiguration(
> > + name=d["name"],
> > + hostname=d["hostname"],
> > + user=d["user"],
> > + password=d.get("password"),
> > + )
> > +
> Out of curiosity, what is the reason for having a static "from_dict"
> method
> rather than just a regular constructor function that takes a dict as
> parameter?
>
> @dataclass(...) is a class annotation that transforms the thing it
> annotates into a dataclass. This means it creates the constructor for
> you based on the property type annotations. If you create your own
> constructor, you need a constructor that can either take a single
> dictionary or all of the parameters like a normal constructor. Making
> it a static method also means that each class can manage how it should
> be constructed from a dictionary. Some of the other classes will
> transform lists or perform other assertions. It also makes it easier to
> have specialized types. For instance, a NICConfiguration class would
> have to handle all of the possible device arguments that could be
> passed to any PMD driver if things were passed as parameters.
>
> > +
> > +@dataclass(slots=True, frozen=True)
> > +class ExecutionConfiguration:
> > + system_under_test: NodeConfiguration
> > +
> Minor comment: seems strange having only a single member variable in
> this
> class, effectively duplicating the class above.
>
> More is intended to go here. For instance, what tests to run,
> configuration for virtual machines, the traffic generator node.
>
> <snip>
>
Thanks for all the explanations.
next prev parent reply other threads:[~2022-09-14 7:48 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-22 12:14 [PATCH v1 0/8] dts: ssh connection to a node Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 1/8] dts: add ssh pexpect library Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 2/8] dts: add locks for parallel node connections Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 3/8] dts: add ssh connection extension Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 4/8] dts: add basic logging facility Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 5/8] dts: add Node base class Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 6/8] dts: add config parser module Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 7/8] dts: add dts runtime workflow module Juraj Linkeš
2022-06-22 12:14 ` [PATCH v1 8/8] dts: add main script for running dts Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 0/8] ssh connection to a node Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 1/8] dts: add basic logging facility Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 2/8] dts: add ssh pexpect library Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 3/8] dts: add locks for parallel node connections Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 4/8] dts: add ssh connection extension Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 5/8] dts: add config parser module Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 6/8] dts: add Node base class Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 7/8] dts: add dts workflow module Juraj Linkeš
2022-07-11 14:51 ` [PATCH v2 8/8] dts: add dts executable script Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 0/9] dts: ssh connection to a node Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 1/9] dts: add project tools config Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 2/9] dts: add developer tools Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 3/9] dts: add basic logging facility Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 4/9] dts: add ssh pexpect library Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 5/9] dts: add ssh connection extension Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 6/9] dts: add config parser module Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 7/9] dts: add Node base class Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 8/9] dts: add dts workflow module Juraj Linkeš
2022-07-28 10:00 ` [PATCH v3 9/9] dts: add dts executable script Juraj Linkeš
2022-07-29 10:55 ` [PATCH v4 0/9] dts: ssh connection to a node Juraj Linkeš
2022-07-29 10:55 ` [PATCH v4 1/9] dts: add project tools config Juraj Linkeš
2022-08-10 6:30 ` Tu, Lijuan
2022-09-07 16:16 ` Bruce Richardson
2022-09-09 13:38 ` Juraj Linkeš
2022-09-09 13:52 ` Bruce Richardson
2022-09-09 14:13 ` Juraj Linkeš
2022-09-12 14:06 ` Owen Hilyard
2022-09-12 15:15 ` Bruce Richardson
2022-09-13 12:08 ` Juraj Linkeš
2022-09-13 14:18 ` Bruce Richardson
2022-09-13 19:03 ` Honnappa Nagarahalli
2022-09-13 19:19 ` Honnappa Nagarahalli
2022-09-14 9:37 ` Thomas Monjalon
2022-09-14 12:55 ` Juraj Linkeš
2022-09-14 13:11 ` Bruce Richardson
2022-09-14 14:28 ` Thomas Monjalon
2022-09-21 10:49 ` Juraj Linkeš
2022-09-13 19:11 ` Honnappa Nagarahalli
2022-07-29 10:55 ` [PATCH v4 2/9] dts: add developer tools Juraj Linkeš
2022-08-10 6:30 ` Tu, Lijuan
2022-09-07 16:37 ` Bruce Richardson
2022-09-13 12:38 ` Juraj Linkeš
2022-09-13 20:38 ` Honnappa Nagarahalli
2022-09-14 7:37 ` Bruce Richardson
2022-09-14 12:45 ` Juraj Linkeš
2022-09-14 13:13 ` Bruce Richardson
2022-09-14 14:26 ` Thomas Monjalon
2022-09-14 19:08 ` Honnappa Nagarahalli
2022-09-20 12:14 ` Juraj Linkeš
2022-09-20 12:22 ` Tu, Lijuan
2022-07-29 10:55 ` [PATCH v4 3/9] dts: add basic logging facility Juraj Linkeš
2022-08-10 6:31 ` Tu, Lijuan
2022-09-08 8:31 ` Bruce Richardson
2022-09-13 12:52 ` Juraj Linkeš
2022-09-13 23:31 ` Honnappa Nagarahalli
2022-09-14 12:51 ` Juraj Linkeš
2022-07-29 10:55 ` [PATCH v4 4/9] dts: add ssh pexpect library Juraj Linkeš
2022-08-10 6:31 ` Tu, Lijuan
2022-09-08 9:53 ` Bruce Richardson
2022-09-13 13:36 ` Juraj Linkeš
2022-09-13 14:23 ` Bruce Richardson
2022-09-13 14:59 ` Stanislaw Kardach
2022-09-13 17:23 ` Owen Hilyard
2022-09-14 0:03 ` Honnappa Nagarahalli
2022-09-14 7:42 ` Bruce Richardson
2022-09-14 7:58 ` Stanislaw Kardach
2022-09-14 19:57 ` Honnappa Nagarahalli
2022-09-19 14:21 ` Owen Hilyard
2022-09-20 17:54 ` Honnappa Nagarahalli
2022-09-21 1:01 ` Tu, Lijuan
2022-09-21 5:37 ` Jerin Jacob
2022-09-22 9:03 ` Juraj Linkeš
2022-09-14 9:42 ` Stanislaw Kardach
2022-09-22 9:41 ` Juraj Linkeš
2022-09-22 14:32 ` Stanislaw Kardach
2022-09-23 7:22 ` Juraj Linkeš
2022-09-23 8:15 ` Bruce Richardson
2022-09-23 10:18 ` Stanislaw Kardach
2022-07-29 10:55 ` [PATCH v4 5/9] dts: add ssh connection extension Juraj Linkeš
2022-08-10 6:32 ` Tu, Lijuan
2022-09-13 17:04 ` Bruce Richardson
2022-09-13 17:32 ` Owen Hilyard
2022-09-14 7:46 ` Bruce Richardson
2022-09-14 12:02 ` Owen Hilyard
2022-09-14 13:15 ` Bruce Richardson
2022-07-29 10:55 ` [PATCH v4 6/9] dts: add config parser module Juraj Linkeš
2022-08-10 6:33 ` Tu, Lijuan
2022-09-13 17:19 ` Bruce Richardson
2022-09-13 17:47 ` Owen Hilyard
2022-09-14 7:48 ` Bruce Richardson [this message]
2022-07-29 10:55 ` [PATCH v4 7/9] dts: add Node base class Juraj Linkeš
2022-08-10 6:33 ` Tu, Lijuan
2022-07-29 10:55 ` [PATCH v4 8/9] dts: add dts workflow module Juraj Linkeš
2022-08-10 6:34 ` Tu, Lijuan
2022-07-29 10:55 ` [PATCH v4 9/9] dts: add dts executable script Juraj Linkeš
2022-08-10 6:35 ` Tu, Lijuan
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