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fix: 尝试修复所有图片都被保存为jpg的问题，并以正确的格式请求识图api

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HYY1116
2025-03-12 09:53:01 +08:00
parent b934d473ab
commit 1840599156
2 changed files with 21 additions and 13 deletions
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15
src/plugins/chat/utils_image.py
View File

@@ -4,6 +4,8 @@ import time
import aiohttp
import hashlib
from typing import Optional, Union
from PIL import Image
import io
from loguru import logger
from nonebot import get_driver
@@ -119,6 +121,7 @@ class ImageManager:
# 计算哈希值
image_hash = hashlib.md5(image_bytes).hexdigest()
img_format = Image.open(io.BytesIO(image_bytes)).format()
# 查重
existing = self.db.images.find_one({'hash': image_hash})
@@ -127,7 +130,7 @@ class ImageManager:
# 生成文件名和路径
timestamp = int(time.time())
filename = f"{timestamp}_{image_hash[:8]}.jpg"
filename = f"{timestamp}_{image_hash[:8]}.{img_format}"
file_path = os.path.join(self.IMAGE_DIR, filename)
# 保存文件
@@ -238,6 +241,7 @@ class ImageManager:
# 计算图片哈希
image_bytes = base64.b64decode(image_base64)
image_hash = hashlib.md5(image_bytes).hexdigest()
image_format = Image.open(io.BytesIO(image_bytes)).format
# 查询缓存的描述
cached_description = self._get_description_from_db(image_hash, 'emoji')
@@ -247,13 +251,13 @@ class ImageManager:
# 调用AI获取描述
prompt = "这是一个表情包，使用中文简洁的描述一下表情包的内容和表情包所表达的情感"
description, _ = await self._llm.generate_response_for_image(prompt, image_base64)
description, _ = await self._llm.generate_response_for_image(prompt, image_base64, image_format)
# 根据配置决定是否保存图片
if global_config.EMOJI_SAVE:
# 生成文件名和路径
timestamp = int(time.time())
filename = f"{timestamp}_{image_hash[:8]}.jpg"
filename = f"{timestamp}_{image_hash[:8]}.{image_format}"
file_path = os.path.join(self.IMAGE_DIR, 'emoji',filename)
try:
@@ -292,6 +296,7 @@ class ImageManager:
# 计算图片哈希
image_bytes = base64.b64decode(image_base64)
image_hash = hashlib.md5(image_bytes).hexdigest()
image_format = Image.open(io.BytesIO(image_bytes)).format
# 查询缓存的描述
cached_description = self._get_description_from_db(image_hash, 'image')
@@ -300,7 +305,7 @@ class ImageManager:
# 调用AI获取描述
prompt = "请用中文描述这张图片的内容。如果有文字，请把文字都描述出来。并尝试猜测这个图片的含义。最多200个字。"
description, _ = await self._llm.generate_response_for_image(prompt, image_base64)
description, _ = await self._llm.generate_response_for_image(prompt, image_base64, image_format)
if description is None:
logger.warning("AI未能生成图片描述")
@@ -310,7 +315,7 @@ class ImageManager:
if global_config.EMOJI_SAVE:
# 生成文件名和路径
timestamp = int(time.time())
filename = f"{timestamp}_{image_hash[:8]}.jpg"
filename = f"{timestamp}_{image_hash[:8]}.{image_format}"
file_path = os.path.join(self.IMAGE_DIR,'image', filename)
try:

15
src/plugins/models/utils_model.py
View File

@@ -104,6 +104,7 @@ class LLM_request:
endpoint: str,
prompt: str = None,
image_base64: str = None,
image_format: str = None,
payload: dict = None,
retry_policy: dict = None,
response_handler: callable = None,
@@ -115,6 +116,7 @@ class LLM_request:
endpoint: API端点路径 (如 "chat/completions")
prompt: prompt文本
image_base64: 图片的base64编码
image_format: 图片格式
payload: 请求体数据
retry_policy: 自定义重试策略
response_handler: 自定义响应处理器
@@ -151,7 +153,7 @@ class LLM_request:
# 构建请求体
if image_base64:
payload = await self._build_payload(prompt, image_base64)
payload = await self._build_payload(prompt, image_base64, image_format)
elif payload is None:
payload = await self._build_payload(prompt)
@@ -172,7 +174,7 @@ class LLM_request:
if response.status == 413:
logger.warning("请求体过大，尝试压缩...")
image_base64 = compress_base64_image_by_scale(image_base64)
payload = await self._build_payload(prompt, image_base64)
payload = await self._build_payload(prompt, image_base64, image_format)
elif response.status in [500, 503]:
logger.error(f"错误码: {response.status} - {error_code_mapping.get(response.status)}")
raise RuntimeError("服务器负载过高，模型恢复失败QAQ")
@@ -294,7 +296,7 @@ class LLM_request:
new_params["max_completion_tokens"] = new_params.pop("max_tokens")
return new_params
async def _build_payload(self, prompt: str, image_base64: str = None) -> dict:
async def _build_payload(self, prompt: str, image_base64: str = None, image_format: str = None) -> dict:
"""构建请求体"""
# 复制一份参数，避免直接修改 self.params
params_copy = await self._transform_parameters(self.params)
@@ -306,7 +308,7 @@ class LLM_request:
"role": "user",
"content": [
{"type": "text", "text": prompt},
{"type": "image_url", "image_url": {"url": f"data:image/jpeg;base64,{image_base64}"}}
{"type": "image_url", "image_url": {"url": f"data:image/{image_format.lower()};base64,{image_base64}"}}
]
}
],
@@ -391,13 +393,14 @@ class LLM_request:
)
return content, reasoning_content
async def generate_response_for_image(self, prompt: str, image_base64: str) -> Tuple[str, str]:
async def generate_response_for_image(self, prompt: str, image_base64: str, image_format: str) -> Tuple[str, str, str]:
"""根据输入的提示和图片生成模型的异步响应"""
content, reasoning_content = await self._execute_request(
endpoint="/chat/completions",
prompt=prompt,
image_base64=image_base64
image_base64=image_base64,
image_format=image_format
)
return content, reasoning_content