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Rework stuff, add Windows 10/11 OCR

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This commit is contained in:
AuroraWright
2023-12-13 10:33:47 +01:00
parent 3eb8db3a48
commit 25d101f806
4 changed files with 168 additions and 79 deletions
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1
manga_ocr/__init__.py
View File

@@ -3,6 +3,7 @@ __version__ = '0.1.10'
from manga_ocr.ocr import MangaOcr
from manga_ocr.ocr import GoogleVision
from manga_ocr.ocr import AppleVision
from manga_ocr.ocr import WinRTOCR
from manga_ocr.ocr import AzureComputerVision
from manga_ocr.ocr import EasyOCR
from manga_ocr.ocr import PaddleOCR

154
manga_ocr/ocr.py
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@@ -3,7 +3,6 @@ import os
import io
from pathlib import Path
import warnings
import configparser
import time
import sys
import platform
@@ -11,6 +10,7 @@ import platform
import jaconv
import torch
import numpy as np
import json
from PIL import Image
from loguru import logger
from transformers import ViTImageProcessor, AutoTokenizer, VisionEncoderDecoderModel
@@ -44,8 +44,38 @@ try:
except ImportError:
pass
try:
import requests
except ImportError:
pass
try:
import winocr
except ImportError:
pass
def post_process(text):
text = ''.join(text.split())
text = text.replace('…', '...')
text = re.sub('[・.]{2,}', lambda x: (x.end() - x.start()) * '.', text)
text = jaconv.h2z(text, ascii=True, digit=True)
return text
class MangaOcr:
def __init__(self, pretrained_model_name_or_path='kha-white/manga-ocr-base', force_cpu=False):
name = "mangaocr"
readable_name = "Manga OCR"
key = "m"
available = True
def __init__(self, config={'pretrained_model_name_or_path':'kha-white/manga-ocr-base','force_cpu':'False'}, pretrained_model_name_or_path='', force_cpu=False):
if pretrained_model_name_or_path == '':
pretrained_model_name_or_path = config['pretrained_model_name_or_path']
if config['force_cpu'] == 'True':
force_cpu = True
logger.info(f'Loading Manga OCR model from {pretrained_model_name_or_path}')
self.processor = ViTImageProcessor.from_pretrained(pretrained_model_name_or_path)
self.tokenizer = AutoTokenizer.from_pretrained(pretrained_model_name_or_path)
@@ -84,10 +114,14 @@ class MangaOcr:
return pixel_values.squeeze()
class GoogleVision:
name = "gvision"
readable_name = "Google Vision"
key = "g"
available = False
def __init__(self):
if 'google.cloud' not in sys.modules:
logger.warning('google-cloud-vision not available, Google Vision will not work!')
self.available = False
else:
logger.info(f'Parsing Google credentials')
google_credentials_file = os.path.join(os.path.expanduser('~'),'.config','google_vision.json')
@@ -98,12 +132,8 @@ class GoogleVision:
logger.info('Google Vision ready')
except:
logger.warning('Error parsing Google credentials, Google Vision will not work!')
self.available = False
def __call__(self, img_or_path):
if not self.available:
return "Engine not available!"
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
@@ -124,25 +154,24 @@ class GoogleVision:
return image_bytes.getvalue()
class AppleVision:
name = "avision"
readable_name = "Apple Vision"
key = "a"
available = False
def __init__(self):
if sys.platform != "darwin":
logger.warning('Apple Vision is not supported on non-macOS platforms!')
self.available = False
elif int(platform.mac_ver()[0].split('.')[0]) < 13:
logger.warning('Apple Vision is not supported on macOS older than Ventura/13.0!')
self.available = False
else:
if 'objc' not in sys.modules:
logger.warning('pyobjc not available, Apple Vision will not work!')
self.available = False
else:
self.available = True
logger.info('Apple Vision ready')
def __call__(self, img_or_path):
if not self.available:
return "Engine not available!"
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
@@ -177,28 +206,78 @@ class AppleVision:
img.save(image_bytes, format=img.format)
return image_bytes.getvalue()
class WinRTOCR:
name = "winrtocr"
readable_name = "WinRT OCR"
key = "w"
available = False
def __init__(self, config={}):
if os.name == 'nt':
if int(platform.release()) < 10:
logger.warning('WinRT OCR is not supported on Windows older than 10!')
elif 'winocr' not in sys.modules:
logger.warning('winocr not available, WinRT OCR will not work!')
else:
self.available = True
logger.info('WinRT OCR ready')
else:
if 'requests' not in sys.modules:
logger.warning('requests not available, WinRT OCR will not work!')
else:
try:
self.url = config['url']
self.available = True
logger.info('WinRT OCR ready')
except:
logger.warning('Error reading URL from config, WinRT OCR will not work!')
def __call__(self, img_or_path):
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
img = img_or_path
else:
raise ValueError(f'img_or_path must be a path or PIL.Image, instead got: {img_or_path}')
if os.name == 'nt':
res = winocr.recognize_pil_sync(img, lang='ja')['text']
else:
params = {'lang': 'ja'}
try:
res = requests.post(self.url, params=params, data=self._preprocess(img), timeout=3)
except requests.exceptions.Timeout:
return "Request timeout!"
res = json.loads(res.text)['text']
x = post_process(res)
return x
def _preprocess(self, img):
image_bytes = io.BytesIO()
img.save(image_bytes, format=img.format)
return image_bytes.getvalue()
class AzureComputerVision:
def __init__(self):
name = "azure"
readable_name = "Azure Computer Vision"
key = "v"
available = False
def __init__(self, config={}):
if 'azure.cognitiveservices.vision.computervision' not in sys.modules:
logger.warning('azure-cognitiveservices-vision-computervision not available, Azure Computer Vision will not work!')
self.available = False
else:
logger.info(f'Parsing Azure credentials')
azure_credentials_file = os.path.join(os.path.expanduser('~'),'.config','azure_computer_vision.ini')
try:
azure_credentials = configparser.ConfigParser()
azure_credentials.read(azure_credentials_file)
self.client = ComputerVisionClient(azure_credentials['config']['endpoint'], CognitiveServicesCredentials(azure_credentials['config']['api_key']))
self.client = ComputerVisionClient(config['endpoint'], CognitiveServicesCredentials(config['api_key']))
self.available = True
logger.info('Azure Computer Vision ready')
except:
logger.warning('Error parsing Azure credentials, Azure Computer Vision will not work!')
self.available = False
def __call__(self, img_or_path):
if not self.available:
return "Engine not available!"
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
@@ -234,10 +313,14 @@ class AzureComputerVision:
return image_io
class EasyOCR:
name = "easyocr"
readable_name = "EasyOCR"
key = "e"
available = False
def __init__(self):
if 'easyocr' not in sys.modules:
logger.warning('easyocr not available, EasyOCR will not work!')
self.available = False
else:
logger.info('Loading EasyOCR model')
self.model = easyocr.Reader(['ja','en'])
@@ -245,9 +328,6 @@ class EasyOCR:
logger.info('EasyOCR ready')
def __call__(self, img_or_path):
if not self.available:
return "Engine not available!"
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
@@ -269,10 +349,14 @@ class EasyOCR:
return image_bytes.getvalue()
class PaddleOCR:
name = "paddleocr"
readable_name = "PaddleOCR"
key = "o"
available = False
def __init__(self):
if 'paddleocr' not in sys.modules:
logger.warning('easyocr not available, PaddleOCR will not work!')
self.available = False
logger.warning('paddleocr not available, PaddleOCR will not work!')
else:
logger.info('Loading PaddleOCR model')
self.model = POCR(use_angle_cls=True, show_log=False, lang='japan')
@@ -280,9 +364,6 @@ class PaddleOCR:
logger.info('PaddleOCR ready')
def __call__(self, img_or_path):
if not self.available:
return "Engine not available!"
if isinstance(img_or_path, str) or isinstance(img_or_path, Path):
img = Image.open(img_or_path)
elif isinstance(img_or_path, Image.Image):
@@ -302,12 +383,3 @@ class PaddleOCR:
def _preprocess(self, img):
return np.array(img.convert('RGB'))
def post_process(text):
text = ''.join(text.split())
text = text.replace('…', '...')
text = re.sub('[・.]{2,}', lambda x: (x.end() - x.start()) * '.', text)
text = jaconv.h2z(text, ascii=True, digit=True)
return text

91
manga_ocr/run.py
View File

@@ -2,6 +2,7 @@ import sys
import time
import threading
import os
import configparser
from pathlib import Path
import fire
@@ -25,12 +26,12 @@ def are_images_identical(img1, img2):
return (img1.shape == img2.shape) and (img1 == img2).all()
def process_and_write_results(engine_instance, engine_name, img_or_path, write_to):
def process_and_write_results(engine_instance, img_or_path, write_to):
t0 = time.time()
text = engine_instance(img_or_path)
t1 = time.time()
logger.opt(ansi=True).info(f"Text recognized in {t1 - t0:0.03f}s using <cyan>{engine_name}</cyan>: {text}")
logger.opt(ansi=True).info(f"Text recognized in {t1 - t0:0.03f}s using <cyan>{engine_instance.readable_name}</cyan>: {text}")
if write_to == 'clipboard':
pyperclip.copy(text)
@@ -49,10 +50,8 @@ def get_path_key(path):
def run(read_from='clipboard',
write_to='clipboard',
pretrained_model_name_or_path='kha-white/manga-ocr-base',
force_cpu=False,
delay_secs=0.5,
engine='mangaocr',
engine='',
start_paused=False,
verbose=False
):
@@ -62,10 +61,8 @@ def run(read_from='clipboard',
: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.
:param engine: OCR engine to use. Available: "mangaocr", "gvision", "avision", "azure", "easyocr", "paddleocr".
:param engine: OCR engine to use. Available: "mangaocr", "gvision", "avision", "azure", "winrtocr", "easyocr", "paddleocr".
:param start_paused: Pause at startup.
:param verbose: If True, unhides all warnings.
"""
@@ -78,28 +75,47 @@ def run(read_from='clipboard',
}
logger.configure(**config)
avision = AppleVision()
gvision = GoogleVision()
azure = AzureComputerVision()
mangaocr = MangaOcr(pretrained_model_name_or_path, force_cpu)
easyocr = EasyOCR()
paddleocr = PaddleOCR()
engine_classes = [AppleVision, WinRTOCR, GoogleVision, AzureComputerVision, MangaOcr, EasyOCR, PaddleOCR]
engines = []
engine_instances = []
engine_keys = []
engines = ['avision', 'gvision', 'azure', 'mangaocr', 'easyocr', 'paddleocr']
engine_names = ['Apple Vision', 'Google Vision', 'Azure Computer Vision', 'Manga OCR', 'EasyOCR', 'PaddleOCR']
engine_instances = [avision, gvision, azure, mangaocr, easyocr, paddleocr]
engine_keys = 'agvmeo'
logger.info(f'Parsing config file')
config_file = os.path.join(os.path.expanduser('~'),'.config','ocr_config.ini')
config = configparser.ConfigParser()
res = config.read(config_file)
def get_engine_name(engine):
return engine_names[engines.index(engine)]
if len(res) == 0:
logger.warning('No config file, defaults will be used')
else:
try:
for config_engine in config['common']['engines'].split(','):
engines.append(config_engine.strip())
except KeyError:
pass
if engine not in engines:
msg = 'Unknown OCR engine!'
default_engine = ''
for engine_class in engine_classes:
if len(engines) == 0 or engine_class.name in engines:
try:
engine_instance = engine_class(config[engine_class.name])
except KeyError:
engine_instance = engine_class()
if engine_instance.available:
engine_instances.append(engine_instance)
engine_keys.append(engine_class.key)
if engine == engine_class.name:
default_engine = engine_class.key
if len(engine_keys) == 0:
msg = 'No engines available!'
raise NotImplementedError(msg)
engine_index = engine_keys.index(default_engine) if default_engine != '' else 0
if sys.platform not in ('darwin', 'win32') and write_to == 'clipboard':
# Check if the system is using Wayland
import os
if os.environ.get('WAYLAND_DISPLAY'):
# Check if the wl-clipboard package is installed
if os.system("which wl-copy > /dev/null") == 0:
@@ -119,7 +135,7 @@ def run(read_from='clipboard',
tmp_paused = False
img = None
logger.opt(ansi=True).info(f"Reading from clipboard using <cyan>{get_engine_name(engine)}</cyan>{' (paused)' if paused else ''}")
logger.opt(ansi=True).info(f"Reading from clipboard using <cyan>{engine_instances[engine_index].readable_name}</cyan>{' (paused)' if paused else ''}")
def on_key_press(key):
global tmp_paused
@@ -142,7 +158,7 @@ def run(read_from='clipboard',
if not read_from.is_dir():
raise ValueError('read_from must be either "clipboard" or a path to a directory')
logger.opt(ansi=True).info(f'Reading from directory {read_from} using <cyan>{get_engine_name(engine)}</cyan>')
logger.opt(ansi=True).info(f'Reading from directory {read_from} using <cyan>{engine_instances[engine_index].readable_name}</cyan>')
old_paths = set()
for path in read_from.iterdir():
@@ -150,7 +166,6 @@ def run(read_from='clipboard',
def getchar_thread():
global user_input
import os
if os.name == 'nt': # how it works on windows
import msvcrt
while True:
@@ -184,6 +199,9 @@ def run(read_from='clipboard',
user_input_thread.join()
logger.info('Terminated!')
break
new_engine_index = engine_index
if read_from == 'clipboard' and user_input.lower() == 'p':
if paused:
logger.info('Unpaused!')
@@ -192,17 +210,16 @@ def run(read_from='clipboard',
logger.info('Paused!')
paused = not paused
elif user_input.lower() == 's':
if engine == engines[-1]:
engine = engines[0]
if engine_index == len(engine_keys) - 1:
new_engine_index = 0
else:
engine = engines[engines.index(engine) + 1]
logger.opt(ansi=True).info(f"Switched to <cyan>{get_engine_name(engine)}</cyan>!")
new_engine_index = engine_index + 1
elif user_input.lower() in engine_keys:
new_engine = engines[engine_keys.find(user_input.lower())]
if engine != new_engine:
engine = new_engine
logger.opt(ansi=True).info(f"Switched to <cyan>{get_engine_name(engine)}</cyan>!")
new_engine_index = engine_keys.index(user_input.lower())
if engine_index != new_engine_index:
engine_index = new_engine_index
logger.opt(ansi=True).info(f"Switched to <cyan>{engine_instances[engine_index].readable_name}</cyan>!")
user_input = ''
@@ -223,7 +240,7 @@ def run(read_from='clipboard',
logger.warning('Error while reading from clipboard ({})'.format(error))
else:
if not just_unpaused and isinstance(img, Image.Image) and not are_images_identical(img, old_img):
process_and_write_results(engine_instances[engines.index(engine)], get_engine_name(engine), img, write_to)
process_and_write_results(engine_instances[engine_index], img, write_to)
if just_unpaused:
just_unpaused = False
@@ -239,7 +256,7 @@ def run(read_from='clipboard',
except (UnidentifiedImageError, OSError) as e:
logger.warning(f'Error while reading file {path}: {e}')
else:
process_and_write_results(engine_instances[engines.index(engine)], get_engine_name(engine), img, write_to)
process_and_write_results(engine_instances[engine_index], img, write_to)
time.sleep(delay_secs)