BAPSicle/file_manager.py
2021-04-25 23:05:31 +01:00

68 lines
2.7 KiB
Python

import time
from helpers.os_environment import resolve_external_file_path
from typing import List
from setproctitle import setproctitle
from multiprocessing import current_process, Queue
from time import sleep
import os
from helpers.logging_manager import LoggingManager
from helpers.the_terminator import Terminator
class FileManager:
logger: LoggingManager
def __init__(self, channel_from_q: List[Queue], server_config):
self.logger = LoggingManager("FileManager")
process_title = "File Manager"
setproctitle(process_title)
current_process().name = process_title
terminator = Terminator()
channel_count = len(channel_from_q)
channel_received = None
try:
while not terminator.terminate:
# If all channels have received the delete command, reset for the next one.
if (channel_received == None or channel_received == [True]*channel_count):
channel_received = [False]*channel_count
for channel in range(channel_count):
try:
message = channel_from_q[channel].get_nowait()
#source = message.split(":")[0]
command = message.split(":",2)[1]
if command == "GET_PLAN":
if channel_received != [False]*channel_count and channel_received[channel] != True:
# We've already received a delete trigger on a channel, let's not delete the folder more than once.
# If the channel was already in the process of being deleted, the user has requested it again, so allow it.
channel_received[channel] = True
continue
# Delete the previous show files!
# Note: The players load into RAM. If something is playing over the load, the source file can still be deleted.
path: str = resolve_external_file_path("/music-tmp/")
if not os.path.isdir(path):
self.logger.log.warning("Music-tmp folder is missing, not handling.")
continue
files = [f for f in os.listdir(path) if os.path.isfile(os.path.join(path, f))]
for file in files:
os.remove(path+"/"+file)
channel_received[channel] = True
except Exception:
pass
sleep(1)
except Exception as e:
self.logger.log.exception(
"Received unexpected exception: {}".format(e))
del self.logger