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32 Clear ghost drives #57

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32 Clear ghost drives #57

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2871b18
Add helper function to clear ghost drives
iamgarcia Feb 12, 2022
4dc1b04
Lint recorder.py
iamgarcia Feb 12, 2022
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33 changes: 33 additions & 0 deletions dencam/recorder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
import os
import getpass
import time
import subprocess
import sys
from abc import ABC, abstractmethod

import picamera
Expand Down Expand Up @@ -66,6 +68,7 @@ def __init__(self, configs):
self.VID_FILE_SIZE = self.FILE_SIZE * self.SAFETY_FACTOR
self.recording = False
self.last_known_video_path = None
self._clear_ghost_drives()
self.video_path = self._video_path_selector()

@abstractmethod
Expand Down Expand Up @@ -164,6 +167,36 @@ def _check_home_storage_capacity(self, media_path):

return media_path

def _clear_ghost_drives(self):
log.info('Clearing ghost drives, if any are present.')
user = getpass.getuser()
media_dir = os.path.join('/media', user)
usb_drive_list = os.listdir(media_dir)
if len(usb_drive_list) > 0:
for usb_drive in usb_drive_list:
usb_drive_dir = media_dir + '/' + usb_drive
try:
result = subprocess.Popen(
['sudo', 'rmdir', usb_drive_dir],
stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
output, error = result.communicate()
if output:
log.info('Ghost drive (subprocess - output): ' +
output.decode('ascii'))
if error:
log.info('Ghost drive (subprocess - error): ' +
error.decode('ascii').strip())
except OSError as os_error:
log.info('Ghost drive (OSError - code): ' +
os_error.errno)
log.info('Ghost drive (OSError - message): ' +
os_error.strerror)
log.info('Ghost drive (OSError - filename): ' +
os_error.filename)
except Exception:
log.info('Ghost drive (Error): ' + sys.exc_info())

def get_free_space(self, media_path=None):
"""Get the remaining space on SD card in gigabytes

Expand Down