Av1an/av1an/resume.py
2021-02-01 05:07:07 +02:00

44 lines
1.1 KiB
Python

import json
from pathlib import Path
from threading import Lock
done_file_lock = Lock()
def read_done_data(temp: Path):
"""
Reads the json data from the done file
:param temp: the temp directory
:return: json data
"""
try:
done_file_lock.acquire()
done_path = temp / 'done.json'
with open(done_path) as done_file:
data = json.load(done_file)
finally:
if done_file_lock.locked():
done_file_lock.release()
return data
def write_progress_file(progress_file: Path, chunk, encoded_frames: int):
"""
Updates the given chunk in the progress (.temp/done.json) file
:param progress_file: the .temp/done.json file
:param chunk: the chunk that was finished
:param encoded_frames: how many frames were encoded for the chunk
:return: None
"""
try:
done_file_lock.acquire()
with progress_file.open() as f:
d = json.load(f)
d['done'][chunk.name] = encoded_frames
with progress_file.open('w') as f:
json.dump(d, f)
finally:
if done_file_lock.locked():
done_file_lock.release()