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import time
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import re
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from WxMini.Utils.MySQLUtil import save_chat_to_mysql
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async def is_text_dominant(client, image_url):
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"""
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判断图片是否主要是文字内容
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:param image_url: 图片 URL
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:return: True（主要是文字） / False（主要是物体/场景）
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"""
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completion = await client.chat.completions.create(
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model="qwen-vl-ocr",
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messages=[
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{
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"role": "user",
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"content": [
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{
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"type": "image_url",
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"image_url": image_url,
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"min_pixels": 28 * 28 * 4,
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"max_pixels": 28 * 28 * 1280
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},
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{"type": "text", "text": "Read all the text in the image."},
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]
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}
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],
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stream=False
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)
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text = completion.choices[0].message.content
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# 判断是否只有英文和数字
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if re.match(r'^[A-Za-z0-9\s]+$', text):
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print("识别到的内容只有英文和数字，可能是无意义的字符，调用识别内容功能。")
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return False
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return True
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async def recognize_text(client, pool, person_id, image_url):
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"""
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识别图片中的文字，流式输出，并将结果记录到数据库
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:param client: AsyncOpenAI 客户端
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:param pool: 数据库连接池
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:param person_id: 用户 ID
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:param image_url: 图片 URL
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:return: 最终拼接的字符串
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"""
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completion = await client.chat.completions.create(
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model="qwen-vl-ocr",
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messages=[
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{
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"role": "user",
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"content": [
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{
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"type": "image_url",
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"image_url": image_url,
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"min_pixels": 28 * 28 * 4,
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"max_pixels": 28 * 28 * 1280
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},
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{"type": "text", "text": "Read all the text in the image."},
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]
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}
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],
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stream=True
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)
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full_text = "" # 用于存储最终拼接的字符串
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async for chunk in completion:
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if chunk.choices[0].delta.content is not None:
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for char in chunk.choices[0].delta.content:
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if char != ' ':
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yield char # 流式输出字符
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full_text += char # 拼接字符
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time.sleep(0.1) # 控制输出速度
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# 记录到数据库
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try:
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await save_chat_to_mysql(pool, person_id, f'', full_text, "", 0, 2, 2, 1)
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except Exception as e:
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print(f"记录到数据库时出错：{e}")
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async def recognize_content(client, pool, person_id, image_url):
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"""
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识别图片中的内容，流式输出
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"""
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completion = await client.chat.completions.create(
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model="qwen-vl-plus",
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messages=[{"role": "user", "content": [
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{"type": "text", "text": "这是什么"},
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{"type": "image_url", "image_url": {"url": image_url}}
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]}],
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stream=True
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)
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full_text = "" # 用于存储最终拼接的字符串
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async for chunk in completion:
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if chunk.choices[0].delta.content is not None:
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for char in chunk.choices[0].delta.content:
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if char != ' ':
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yield char # 流式输出字符
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full_text += char # 拼接字符
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time.sleep(0.1) # 控制输出速度
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# 记录到数据库
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try:
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await save_chat_to_mysql(pool, person_id, f'', full_text, "", 0, 2, 2, 2)
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except Exception as e:
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print(f"记录到数据库时出错：{e}")
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