This commit is contained in:
2023-12-01 02:33:36 +08:00
parent 57b63ff305
commit dfb7041746
4 changed files with 43 additions and 256 deletions

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demo.py
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@@ -1,21 +0,0 @@
import pymysql
import pymysql.cursors
from dotenv import dotenv_values
from pprint import pprint
config = dotenv_values(".env")
conn = pymysql.connect(host=config['MYSQL_HOST'], user=config['MYSQL_USER'], password=config['MYSQL_PASSWORD'], database=config['MYSQL_NAME'], cursorclass=pymysql.cursors.DictCursor)
cursor = conn.cursor()
cursor.execute("SELECT * FROM web_images WHERE id=1436682 LIMIT 5")
# 获取查询结果
rows = cursor.fetchall()
for row in rows:
# 格式化打印
pprint(row)
# 关闭游标和连接
cursor.close()
conn.close()

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main.py
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@@ -3,65 +3,17 @@
import io
import requests
import oss2
import plyvel
from PIL import Image, ImageFile
from pprint import pprint
from dotenv import dotenv_values
ImageFile.LOAD_TRUNCATED_IMAGES = True
config = dotenv_values(".env")
db = plyvel.DB('database', create_if_missing=True)
'''
# 写入一个键值对
db.put(b'key', b'value')
# 获取一个键的值
value = db.get(b'key')
# 删除一个键值对
db.delete(b'key')
# 批量写入
with db.write_batch() as wb:
for i in range(10000):
wb.put(b'key' + str(i).encode(), b'value' + str(i).encode())
# 迭代数据库中的所有键值对
for key, value in db:
print(key, value)
# 关闭数据库
db.close()
'''
# 下载图片(使用OSS下载)
def download_image(url:str) -> Image.Image:
if url.startswith('http://image.gameuiux.cn/') or url.startswith('https://image.gameuiux.cn/'):
try:
url = url.replace('http://image.gameuiux.cn/', '').replace('https://image.gameuiux.cn/', '')
oss2.defaults.connection_pool_size = 100
oss_auth = oss2.Auth(config['OSS_ACCESS_KEY_ID'], config['OSS_ACCESS_KEY_SECRET'])
return Image.open(io.BytesIO(oss2.Bucket(oss_auth, f'http://{config["OSS_HOST"]}', config['OSS_BUCKET_NAME']).get_object(url).read()))
except Exception:
print('图片从OSS下载失败:', url)
return None
else:
try:
response = requests.get(url)
return Image.open(io.BytesIO(response.content))
except Exception:
print('图片从URL下载失败:', url)
return None
import pymysql
import pymysql.cursors
import cnocr
import json
import numpy as np
from PIL import Image, ImageFile
from dotenv import dotenv_values
from elasticsearch import Elasticsearch
# 打开 mysql
ocr = cnocr.CnOcr(rec_model_name='ch_PP-OCRv3')
conn = pymysql.connect(host=config['MYSQL_HOST'], user=config['MYSQL_USER'], password=config['MYSQL_PASSWORD'], database=config['MYSQL_NAME'], cursorclass=pymysql.cursors.DictCursor)
cursor = conn.cursor()
cursor.execute("SELECT id, content FROM web_images LIMIT 5")
ImageFile.LOAD_TRUNCATED_IMAGES = True
config = dotenv_values(".env")
oss2.defaults.connection_pool_size = 100
class MyEncoder(json.JSONEncoder):
def default(self, obj):
@@ -71,35 +23,45 @@ class MyEncoder(json.JSONEncoder):
return obj.astype(int).tolist()
return super(MyEncoder, self).default(obj)
dataset = []
def download_image(url:str) -> Image.Image:
try:
if url.startswith('http://image.gameuiux.cn/') or url.startswith('https://image.gameuiux.cn/'):
url = url.replace('http://image.gameuiux.cn/', '').replace('https://image.gameuiux.cn/', '')
oss_auth = oss2.Auth(config['OSS_ACCESS_KEY_ID'], config['OSS_ACCESS_KEY_SECRET'])
return Image.open(io.BytesIO(oss2.Bucket(oss_auth, f'http://{config["OSS_HOST"]}', config['OSS_BUCKET_NAME']).get_object(url).read()))
else:
response = requests.get(url)
return Image.open(io.BytesIO(response.content))
except Exception:
print(f'图片从{url}下载失败')
return None
# 获取查询结果(跳过下载失败的)
for item in cursor.fetchall():
image = download_image(item['content'])
if image is None:
continue
# 将只包含那些非空非纯数字且长度大于1的'text'值
out = ocr.ocr(image)
out = [x for x in out if x['text'] and not x['text'].isdigit() and len(x['text']) > 1]
#print(item['id'], json.dumps(out, ensure_ascii=False, cls=MyEncoder))
dataset.append({
'id': item['id'],
'content': json.dumps(out, ensure_ascii=False, cls=MyEncoder)
})
def connect_to_mysql():
return pymysql.connect(host=config['MYSQL_HOST'], user=config['MYSQL_USER'], password=config['MYSQL_PASSWORD'], database=config['MYSQL_NAME'], cursorclass=pymysql.cursors.SSDictCursor)
#texts = [x['text'] for x in out if x['text'] and not x['text'].isdigit() and len(x['text']) > 1]
#print(item['id'], texts)
def save_text(conn, id:int, text:str):
with conn.cursor() as cursor:
cursor.execute("UPDATE web_images SET text = %s WHERE id = %s", (text, id))
# 将结果存入 leveldb
# db.put(str(row['id']).encode(), ','.join(texts).encode())
def process_images(conn, ocr, es):
with conn.cursor(pymysql.cursors.SSCursor) as cursor:
cursor.execute("SELECT id, content, text FROM web_images WHERE text!='' LIMIT 10")
for id, content, text in cursor.fetchall():
image = download_image(content)
if image is None:
continue
item = [x for x in ocr.ocr(image) if x['text'] and not x['text'].isdigit() and len(x['text']) > 1]
save_text(conn, id, json.dumps(item, ensure_ascii=False, cls=MyEncoder))
texts = ' '.join([x['text'] for x in item])
es.index(index='web_images', id=id, body={'content': texts})
print(dataset)
def main():
es = Elasticsearch(config['ELASTICSEARCH_HOST'], basic_auth=(config['ELASTICSEARCH_USERNAME'], config['ELASTICSEARCH_PASSWORD']), verify_certs=False)
if not es.indices.exists(index='web_images'):
es.indices.create(index='web_images')
ocr = cnocr.CnOcr(rec_model_name='ch_PP-OCRv3')
conn = connect_to_mysql()
process_images(conn, ocr, es)
# 关闭游标和连接
cursor.close()
conn.close()
# 关闭数据库
db.close()
print('Done')
if __name__ == "__main__":
main()

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