diff mbox series

[4/5] kunit: tool: drop last uses of collections.namedtuple

Message ID 20220118190922.1557074-4-dlatypov@google.com (mailing list archive)
State Accepted
Commit e6f61920653925e6fa9aceb5cdb47ecf543986c8
Delegated to: Brendan Higgins
Headers show
Series [1/5] kunit: tool: drop mostly unused KunitResult.result field | expand

Commit Message

Daniel Latypov Jan. 18, 2022, 7:09 p.m. UTC
Since we formally require python3.7+ since commit df4b0807ca1a
("kunit: tool: Assert the version requirement"), we can just use
@dataclasses.dataclass instead.

In kunit_config.py, we used namedtuple to create a hashable type that
had `name` and `value` fields and had to subclass it to define a custom
`__str__()`.
@datalcass lets us just define one type instead.

In qemu_config.py, we use namedtuple to allow modules to define various
parameters. Using @dataclass, we can add type-annotations for all these
fields, making our code more typesafe and making it easier for users to
figure out how to define new configs.

Signed-off-by: Daniel Latypov <dlatypov@google.com>
---
 tools/testing/kunit/kunit_config.py |  9 +++++----
 tools/testing/kunit/qemu_config.py  | 17 ++++++++++-------
 2 files changed, 15 insertions(+), 11 deletions(-)

Comments

David Gow Jan. 20, 2022, 8:29 a.m. UTC | #1
On Wed, Jan 19, 2022 at 3:09 AM Daniel Latypov <dlatypov@google.com> wrote:
>
> Since we formally require python3.7+ since commit df4b0807ca1a
> ("kunit: tool: Assert the version requirement"), we can just use
> @dataclasses.dataclass instead.
>
> In kunit_config.py, we used namedtuple to create a hashable type that
> had `name` and `value` fields and had to subclass it to define a custom
> `__str__()`.
> @datalcass lets us just define one type instead.
>
> In qemu_config.py, we use namedtuple to allow modules to define various
> parameters. Using @dataclass, we can add type-annotations for all these
> fields, making our code more typesafe and making it easier for users to
> figure out how to define new configs.
>
> Signed-off-by: Daniel Latypov <dlatypov@google.com>
> ---

This seems sensible, and the type-annotations are definitely a good thing.

I guess I'm going to have to learn how to use @dataclass, though...

Reviewed-by: David Gow <davidgow@google.com>

-- David

>  tools/testing/kunit/kunit_config.py |  9 +++++----
>  tools/testing/kunit/qemu_config.py  | 17 ++++++++++-------
>  2 files changed, 15 insertions(+), 11 deletions(-)
>
> diff --git a/tools/testing/kunit/kunit_config.py b/tools/testing/kunit/kunit_config.py
> index 677354546156..ca33e4b7bcc5 100644
> --- a/tools/testing/kunit/kunit_config.py
> +++ b/tools/testing/kunit/kunit_config.py
> @@ -6,16 +6,17 @@
>  # Author: Felix Guo <felixguoxiuping@gmail.com>
>  # Author: Brendan Higgins <brendanhiggins@google.com>
>
> -import collections
> +from dataclasses import dataclass
>  import re
>  from typing import List, Set
>
>  CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
>  CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
>
> -KconfigEntryBase = collections.namedtuple('KconfigEntryBase', ['name', 'value'])
> -
> -class KconfigEntry(KconfigEntryBase):
> +@dataclass(frozen=True)
> +class KconfigEntry:
> +       name: str
> +       value: str
>
>         def __str__(self) -> str:
>                 if self.value == 'n':
> diff --git a/tools/testing/kunit/qemu_config.py b/tools/testing/kunit/qemu_config.py
> index 1672f6184e95..0b6a80398ccc 100644
> --- a/tools/testing/kunit/qemu_config.py
> +++ b/tools/testing/kunit/qemu_config.py
> @@ -5,12 +5,15 @@
>  # Copyright (C) 2021, Google LLC.
>  # Author: Brendan Higgins <brendanhiggins@google.com>
>
> -from collections import namedtuple
> +from dataclasses import dataclass
> +from typing import List
>
>
> -QemuArchParams = namedtuple('QemuArchParams', ['linux_arch',
> -                                              'kconfig',
> -                                              'qemu_arch',
> -                                              'kernel_path',
> -                                              'kernel_command_line',
> -                                              'extra_qemu_params'])
> +@dataclass(frozen=True)
> +class QemuArchParams:
> +  linux_arch: str
> +  kconfig: str
> +  qemu_arch: str
> +  kernel_path: str
> +  kernel_command_line: str
> +  extra_qemu_params: List[str]
> --
> 2.34.1.703.g22d0c6ccf7-goog
>
Brendan Higgins March 23, 2022, 8:52 p.m. UTC | #2
On Tue, Jan 18, 2022 at 2:09 PM Daniel Latypov <dlatypov@google.com> wrote:
>
> Since we formally require python3.7+ since commit df4b0807ca1a
> ("kunit: tool: Assert the version requirement"), we can just use
> @dataclasses.dataclass instead.
>
> In kunit_config.py, we used namedtuple to create a hashable type that
> had `name` and `value` fields and had to subclass it to define a custom
> `__str__()`.
> @datalcass lets us just define one type instead.
>
> In qemu_config.py, we use namedtuple to allow modules to define various
> parameters. Using @dataclass, we can add type-annotations for all these
> fields, making our code more typesafe and making it easier for users to
> figure out how to define new configs.
>
> Signed-off-by: Daniel Latypov <dlatypov@google.com>

Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
diff mbox series

Patch

diff --git a/tools/testing/kunit/kunit_config.py b/tools/testing/kunit/kunit_config.py
index 677354546156..ca33e4b7bcc5 100644
--- a/tools/testing/kunit/kunit_config.py
+++ b/tools/testing/kunit/kunit_config.py
@@ -6,16 +6,17 @@ 
 # Author: Felix Guo <felixguoxiuping@gmail.com>
 # Author: Brendan Higgins <brendanhiggins@google.com>
 
-import collections
+from dataclasses import dataclass
 import re
 from typing import List, Set
 
 CONFIG_IS_NOT_SET_PATTERN = r'^# CONFIG_(\w+) is not set$'
 CONFIG_PATTERN = r'^CONFIG_(\w+)=(\S+|".*")$'
 
-KconfigEntryBase = collections.namedtuple('KconfigEntryBase', ['name', 'value'])
-
-class KconfigEntry(KconfigEntryBase):
+@dataclass(frozen=True)
+class KconfigEntry:
+	name: str
+	value: str
 
 	def __str__(self) -> str:
 		if self.value == 'n':
diff --git a/tools/testing/kunit/qemu_config.py b/tools/testing/kunit/qemu_config.py
index 1672f6184e95..0b6a80398ccc 100644
--- a/tools/testing/kunit/qemu_config.py
+++ b/tools/testing/kunit/qemu_config.py
@@ -5,12 +5,15 @@ 
 # Copyright (C) 2021, Google LLC.
 # Author: Brendan Higgins <brendanhiggins@google.com>
 
-from collections import namedtuple
+from dataclasses import dataclass
+from typing import List
 
 
-QemuArchParams = namedtuple('QemuArchParams', ['linux_arch',
-					       'kconfig',
-					       'qemu_arch',
-					       'kernel_path',
-					       'kernel_command_line',
-					       'extra_qemu_params'])
+@dataclass(frozen=True)
+class QemuArchParams:
+  linux_arch: str
+  kconfig: str
+  qemu_arch: str
+  kernel_path: str
+  kernel_command_line: str
+  extra_qemu_params: List[str]