Re: [PATCH 4.19 24/93] tools: hv: fixed Python pep8/flake8 warnings for lsvmbus

From: Pavel Machek
Date: Fri Sep 06 2019 - 09:52:06 EST

Hi!

> Fixed pep8/flake8 python style code for lsvmbus tool.
>
> The TAB indentation was on purpose ignored (pep8 rule W191) to make
> sure the code is complying with the Linux code guideline.
> The following command doe not show any warnings now:
> pep8 --ignore=W191 lsvmbus
> flake8 --ignore=W191 lsvmbus

Well, this cleans up indentation. I'd call it cleanup, not a bugfix,
and really not a fix for serious bug.

Plus, it is quite big.

Best regards,
Pavel

> Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
> Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
> Cc: Sasha Levin <sashal@xxxxxxxxxx>
> Cc: Dexuan Cui <decui@xxxxxxxxxxxxx>
> Cc: Alessandro Pilotti <apilotti@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---
> tools/hv/lsvmbus | 75 +++++++++++++++++++++++++++---------------------
> 1 file changed, 42 insertions(+), 33 deletions(-)
>
> diff --git a/tools/hv/lsvmbus b/tools/hv/lsvmbus
> index 55e7374bade0d..099f2c44dbed2 100644
> --- a/tools/hv/lsvmbus
> +++ b/tools/hv/lsvmbus
> @@ -4,10 +4,10 @@
> import os
> from optparse import OptionParser
>
> +help_msg = "print verbose messages. Try -vv, -vvv for more verbose messages"
> parser = OptionParser()
> -parser.add_option("-v", "--verbose", dest="verbose",
> - help="print verbose messages. Try -vv, -vvv for \
> - more verbose messages", action="count")
> +parser.add_option(
> + "-v", "--verbose", dest="verbose", help=help_msg, action="count")
>
> (options, args) = parser.parse_args()
>
> @@ -21,27 +21,28 @@ if not os.path.isdir(vmbus_sys_path):
> exit(-1)
>
> vmbus_dev_dict = {
> - '{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]',
> - '{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]',
> - '{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]',
> - '{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]',
> - '{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]',
> - '{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]',
> - '{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]',
> - '{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse',
> - '{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard',
> - '{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter',
> - '{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter',
> - '{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller',
> - '{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
> - '{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
> - '{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
> - '{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through',
> - '{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
> - '{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
> - '{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
> + '{0e0b6031-5213-4934-818b-38d90ced39db}': '[Operating system shutdown]',
> + '{9527e630-d0ae-497b-adce-e80ab0175caf}': '[Time Synchronization]',
> + '{57164f39-9115-4e78-ab55-382f3bd5422d}': '[Heartbeat]',
> + '{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}': '[Data Exchange]',
> + '{35fa2e29-ea23-4236-96ae-3a6ebacba440}': '[Backup (volume checkpoint)]',
> + '{34d14be3-dee4-41c8-9ae7-6b174977c192}': '[Guest services]',
> + '{525074dc-8985-46e2-8057-a307dc18a502}': '[Dynamic Memory]',
> + '{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}': 'Synthetic mouse',
> + '{f912ad6d-2b17-48ea-bd65-f927a61c7684}': 'Synthetic keyboard',
> + '{da0a7802-e377-4aac-8e77-0558eb1073f8}': 'Synthetic framebuffer adapter',
> + '{f8615163-df3e-46c5-913f-f2d2f965ed0e}': 'Synthetic network adapter',
> + '{32412632-86cb-44a2-9b5c-50d1417354f5}': 'Synthetic IDE Controller',
> + '{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}': 'Synthetic SCSI Controller',
> + '{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}': 'Synthetic fiber channel adapter',
> + '{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}': 'Synthetic RDMA adapter',
> + '{44c4f61d-4444-4400-9d52-802e27ede19f}': 'PCI Express pass-through',
> + '{276aacf4-ac15-426c-98dd-7521ad3f01fe}': '[Reserved system device]',
> + '{f8e65716-3cb3-4a06-9a60-1889c5cccab5}': '[Reserved system device]',
> + '{3375baf4-9e15-4b30-b765-67acb10d607b}': '[Reserved system device]',
> }
>
> +
> def get_vmbus_dev_attr(dev_name, attr):
> try:
> f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
> @@ -52,6 +53,7 @@ def get_vmbus_dev_attr(dev_name, attr):
>
> return lines
>
> +
> class VMBus_Dev:
> pass
>
> @@ -66,12 +68,13 @@ for f in os.listdir(vmbus_sys_path):
>
> chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
> chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
> - chn_vp_mapping = sorted(chn_vp_mapping,
> - key = lambda c : int(c.split(':')[0]))
> + chn_vp_mapping = sorted(
> + chn_vp_mapping, key=lambda c: int(c.split(':')[0]))
>
> - chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
> - (c.split(':')[0], c.split(':')[1])
> - for c in chn_vp_mapping]
> + chn_vp_mapping = [
> + '\tRel_ID=%s, target_cpu=%s' %
> + (c.split(':')[0], c.split(':')[1]) for c in chn_vp_mapping
> + ]
> d = VMBus_Dev()
> d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
> d.vmbus_id = vmbus_id
> @@ -85,7 +88,7 @@ for f in os.listdir(vmbus_sys_path):
> vmbus_dev_list.append(d)
>
>
> -vmbus_dev_list = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
> +vmbus_dev_list = sorted(vmbus_dev_list, key=lambda d: int(d.vmbus_id))
>
> format0 = '%2s: %s'
> format1 = '%2s: Class_ID = %s - %s\n%s'
> @@ -95,9 +98,15 @@ for d in vmbus_dev_list:
> if verbose == 0:
> print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc))
> elif verbose == 1:
> - print (('VMBUS ID ' + format1) % \
> - (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping))
> + print(
> + ('VMBUS ID ' + format1) %
> + (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
> + )
> else:
> - print (('VMBUS ID ' + format2) % \
> - (d.vmbus_id, d.class_id, d.dev_desc, \
> - d.device_id, d.sysfs_path, d.chn_vp_mapping))
> + print(
> + ('VMBUS ID ' + format2) %
> + (
> + d.vmbus_id, d.class_id, d.dev_desc,
> + d.device_id, d.sysfs_path, d.chn_vp_mapping
> + )
> + )

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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