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refactoring

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This commit is contained in:
Maxim Devaev
2022-03-31 16:17:52 +03:00
parent ab09f88d80
commit b775239d72
7 changed files with 44 additions and 59 deletions
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15
kvmd/apps/otgmsd/__init__.py
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@@ -34,29 +34,24 @@ from ...validators.basic import valid_bool
from ...validators.basic import valid_int_f0
from ...validators.os import valid_abs_file
from ... import env
from ... import usb
from .. import init
# =====
def _make_param_path(gadget: str, instance: int, param: str) -> str:
return os.path.join(
f"{env.SYSFS_PREFIX}/sys/kernel/config/usb_gadget",
gadget,
f"functions/mass_storage.usb{instance}/lun.0",
param,
)
def _get_param_path(gadget: str, instance: int, param: str) -> str:
return usb.get_gadget_path(gadget, usb.G_FUNCTIONS, f"mass_storage.usb{instance}/lun.0", param)
def _get_param(gadget: str, instance: int, param: str) -> str:
with open(_make_param_path(gadget, instance, param)) as param_file:
with open(_get_param_path(gadget, instance, param)) as param_file:
return param_file.read().strip()
def _set_param(gadget: str, instance: int, param: str, value: str) -> None:
try:
with open(_make_param_path(gadget, instance, param), "w") as param_file:
with open(_get_param_path(gadget, instance, param), "w") as param_file:
param_file.write(value + "\n")
except OSError as err:
if err.errno == errno.EBUSY: