move code for running in the background to run.py

This commit is contained in:
Maciej Budyś
2022-01-20 01:02:30 +01:00
parent 3a88953989
commit 514fb7707c
2 changed files with 107 additions and 90 deletions

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@@ -1,95 +1,6 @@
import time
from pathlib import Path
import PIL.Image
import PIL.ImageGrab
import fire
import numpy as np
import pyperclip
from loguru import logger
from manga_ocr import MangaOcr
def are_images_identical(img1, img2):
if None in (img1, img2):
return img1 == img2
img1 = np.array(img1)
img2 = np.array(img2)
return (img1.shape == img2.shape) and (img1 == img2).all()
def process_and_write_results(mocr, img_or_path, write_to):
t0 = time.time()
text = mocr(img_or_path)
t1 = time.time()
logger.info(f'Text recognized in {t1 - t0:0.03f} s: {text}')
if write_to == 'clipboard':
pyperclip.copy(text)
else:
write_to = Path(write_to)
if write_to.suffix != '.txt':
raise ValueError('write_to must be either "clipboard" or a path to a text file')
with write_to.open('a') as f:
f.write(text + '\n')
def run(
read_from='clipboard',
write_to='clipboard',
pretrained_model_name_or_path='kha-white/manga-ocr-base',
force_cpu=False,
delay_secs=0.1,
):
mocr = MangaOcr(pretrained_model_name_or_path, force_cpu)
if read_from == 'clipboard':
logger.info('Reading from clipboard')
img = None
while True:
old_img = img
try:
img = PIL.ImageGrab.grabclipboard()
except OSError:
logger.warning('Error while reading from clipboard')
else:
if isinstance(img, PIL.Image.Image) and not are_images_identical(img, old_img):
process_and_write_results(mocr, img, write_to)
time.sleep(delay_secs)
else:
read_from = Path(read_from)
if not read_from.is_dir():
raise ValueError('read_from must be either "clipboard" or a path to a directory')
logger.info(f'Reading from directory {read_from}')
old_paths = set()
for path in read_from.iterdir():
old_paths.add(path)
while True:
for path in read_from.iterdir():
if path not in old_paths:
old_paths.add(path)
try:
img = PIL.Image.open(path)
except PIL.UnidentifiedImageError:
logger.warning(f'Error while reading file {path}')
else:
process_and_write_results(mocr, img, write_to)
time.sleep(delay_secs)
from manga_ocr.run import run
def main():

106
manga_ocr/run.py Normal file
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@@ -0,0 +1,106 @@
import time
from pathlib import Path
import PIL.Image
import PIL.ImageGrab
import fire
import numpy as np
import pyperclip
from loguru import logger
from manga_ocr import MangaOcr
def are_images_identical(img1, img2):
if None in (img1, img2):
return img1 == img2
img1 = np.array(img1)
img2 = np.array(img2)
return (img1.shape == img2.shape) and (img1 == img2).all()
def process_and_write_results(mocr, img_or_path, write_to):
t0 = time.time()
text = mocr(img_or_path)
t1 = time.time()
logger.info(f'Text recognized in {t1 - t0:0.03f} s: {text}')
if write_to == 'clipboard':
pyperclip.copy(text)
else:
write_to = Path(write_to)
if write_to.suffix != '.txt':
raise ValueError('write_to must be either "clipboard" or a path to a text file')
with write_to.open('a') as f:
f.write(text + '\n')
def run(read_from='clipboard',
write_to='clipboard',
pretrained_model_name_or_path='kha-white/manga-ocr-base',
force_cpu=False,
delay_secs=0.1
):
"""
Run OCR in the background, waiting for new images to appear either in system clipboard, or a directory.
Recognized texts can be either saved to system clipboard, or appended to a text file.
:param read_from: Specifies where to read input images from. Can be either "clipboard", or a path to a directory.
:param write_to: Specifies where to save recognized texts to. Can be either "clipboard", or a path to a text file.
:param pretrained_model_name_or_path: Path to a trained model, either local or from Transformers' model hub.
:param force_cpu: If True, OCR will use CPU even if GPU is available.
:param delay_secs: How often to check for new images, in seconds.
"""
mocr = MangaOcr(pretrained_model_name_or_path, force_cpu)
if read_from == 'clipboard':
logger.info('Reading from clipboard')
img = None
while True:
old_img = img
try:
img = PIL.ImageGrab.grabclipboard()
except OSError:
logger.warning('Error while reading from clipboard')
else:
if isinstance(img, PIL.Image.Image) and not are_images_identical(img, old_img):
process_and_write_results(mocr, img, write_to)
time.sleep(delay_secs)
else:
read_from = Path(read_from)
if not read_from.is_dir():
raise ValueError('read_from must be either "clipboard" or a path to a directory')
logger.info(f'Reading from directory {read_from}')
old_paths = set()
for path in read_from.iterdir():
old_paths.add(path)
while True:
for path in read_from.iterdir():
if path not in old_paths:
old_paths.add(path)
try:
img = PIL.Image.open(path)
except PIL.UnidentifiedImageError:
logger.warning(f'Error while reading file {path}')
else:
process_and_write_results(mocr, img, write_to)
time.sleep(delay_secs)
if __name__ == '__main__':
fire.Fire(run)