68 lines
2.7 KiB
Python
Executable File
68 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python3
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import io
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import requests
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import oss2
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import pymysql
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import cnocr
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import json
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import numpy as np
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from PIL import Image, ImageFile
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from dotenv import dotenv_values
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from elasticsearch import Elasticsearch
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ImageFile.LOAD_TRUNCATED_IMAGES = True
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config = dotenv_values(".env")
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oss2.defaults.connection_pool_size = 100
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class MyEncoder(json.JSONEncoder):
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def default(self, obj):
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if isinstance(obj, np.float32):
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return int(obj)
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if isinstance(obj, np.ndarray):
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return obj.astype(int).tolist()
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return super(MyEncoder, self).default(obj)
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def download_image(url:str) -> Image.Image:
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try:
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if url.startswith('http://image.gameuiux.cn/') or url.startswith('https://image.gameuiux.cn/'):
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url = url.replace('http://image.gameuiux.cn/', '').replace('https://image.gameuiux.cn/', '')
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oss_auth = oss2.Auth(config['OSS_ACCESS_KEY_ID'], config['OSS_ACCESS_KEY_SECRET'])
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return Image.open(io.BytesIO(oss2.Bucket(oss_auth, f'http://{config["OSS_HOST"]}', config['OSS_BUCKET_NAME']).get_object(url).read()))
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else:
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response = requests.get(url)
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return Image.open(io.BytesIO(response.content))
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except Exception:
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print(f'图片从{url}下载失败')
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return None
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def connect_to_mysql():
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return pymysql.connect(host=config['MYSQL_HOST'], user=config['MYSQL_USER'], password=config['MYSQL_PASSWORD'], database=config['MYSQL_NAME'], cursorclass=pymysql.cursors.SSDictCursor)
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def save_text(conn, id:int, text:str):
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with conn.cursor() as cursor:
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cursor.execute("UPDATE web_images SET text = %s WHERE id = %s", (text, id))
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def process_images(conn, ocr, es):
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with conn.cursor(pymysql.cursors.SSCursor) as cursor:
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cursor.execute("SELECT id, content FROM web_images WHERE text!='' LIMIT 10")
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for id, content in cursor.fetchall():
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image = download_image(content)
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if image is None:
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continue
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item = [x for x in ocr.ocr(image) if x['text'] and not x['text'].isdigit() and len(x['text']) > 1]
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save_text(conn, id, json.dumps(item, ensure_ascii=False, cls=MyEncoder))
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text = ' '.join([x['text'] for x in item])
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es.index(index='web_images', id=id, body={'content': text})
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def main():
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es = Elasticsearch(config['ELASTICSEARCH_HOST'], basic_auth=(config['ELASTICSEARCH_USERNAME'], config['ELASTICSEARCH_PASSWORD']), verify_certs=False)
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if not es.indices.exists(index='web_images'):
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es.indices.create(index='web_images')
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ocr = cnocr.CnOcr(rec_model_name='ch_PP-OCRv3')
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conn = connect_to_mysql()
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process_images(conn, ocr, es)
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if __name__ == "__main__":
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main()
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