great-ai/great_ai/large_file/helper/progress_bar.py
2022-07-04 19:31:15 +02:00

51 lines
1.6 KiB
Python

import os
import threading
from logging import Logger
from pathlib import Path
from .bytes_to_megabytes import bytes_to_megabytes
class ProgressBar:
min_progress_percentage_change = 10
def __init__(self, file_size: int, logger: Logger, prefix: str):
self._file_size = file_size
self._logger = logger
self._prefix = prefix
self._last_percentage: float = 0
self._seen_so_far = 0
self._lock = threading.Lock()
def __call__(self, bytes_amount: int) -> None:
with self._lock:
self._seen_so_far += bytes_amount
percentage = (self._seen_so_far / float(self._file_size)) * 100
if (
percentage != 100
and percentage - self._last_percentage
< self.min_progress_percentage_change
):
return
self._last_percentage += self.min_progress_percentage_change
file_size_mb = bytes_to_megabytes(self._file_size)
seen_so_far_mb = bytes_to_megabytes(self._seen_so_far)
progress = seen_so_far_mb.rjust(len(file_size_mb))
self._logger.info(
f"{self._prefix} {progress}/{file_size_mb} MB ({percentage:.1f}%)"
)
class DownloadProgressBar(ProgressBar):
def __init__(self, name: str, size: int, logger: Logger):
super().__init__(file_size=size, logger=logger, prefix=f"Downloading {name}")
class UploadProgressBar(ProgressBar):
def __init__(self, path: Path, logger: Logger):
size = os.path.getsize(path)
super().__init__(file_size=size, logger=logger, prefix=f"Uploading {path.name}")