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dbus_manager: verify stat path exists 

Signed-off-by:  Eric Callahan  <arksine.code@gmail.com>
This commit is contained in:
Eric Callahan 2022-08-01 10:22:16 -04:00
parent e0cf635d34
commit 0188b81d4a
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GPG Key ID: 5A1EB336DFB4C71B
1 changed files with 7 additions and 1 deletions
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8
moonraker/components/dbus_manager.py
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@ -16,11 +16,13 @@ from typing import (
TYPE_CHECKING, TYPE_CHECKING,
List, List,
Optional, Optional,
Any,
) )
if TYPE_CHECKING: if TYPE_CHECKING:
from confighelper import ConfigHelper from confighelper import ConfigHelper
STAT_PATH = "/proc/self/stat"
DOC_URL = ( DOC_URL = (
"https://moonraker.readthedocs.io/en/latest/" "https://moonraker.readthedocs.io/en/latest/"
"installation/#policykit-permissions" "installation/#policykit-permissions"
@ -34,7 +36,11 @@ class DbusManager:
self.bus: Optional[MessageBus] = None self.bus: Optional[MessageBus] = None
self.polkit: Optional[ProxyInterface] = None self.polkit: Optional[ProxyInterface] = None
self.warned: bool = False self.warned: bool = False
proc_data = pathlib.Path(f"/proc/self/stat").read_text() st_path = pathlib.Path(STAT_PATH)
self.polkit_subject: List[Any] = []
if not st_path.is_file():
return
proc_data = st_path.read_text()
start_clk_ticks = int(proc_data.split()[21]) start_clk_ticks = int(proc_data.split()[21])
self.polkit_subject = [ self.polkit_subject = [
"unix-process", "unix-process",