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Parent(s):
5f71263
恢复AI图像生成功能,降级依赖以解决兼容性问题
Browse files- app.py +142 -138
- requirements.txt +6 -6
app.py
CHANGED
@@ -12,7 +12,7 @@ logging.basicConfig(level=logging.INFO,
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stream=sys.stdout)
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logger = logging.getLogger(__name__)
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#
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try:
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import gradio_client.utils
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except Exception as e:
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logger.error(f"Failed to patch Gradio utils: {e}")
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#
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def
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logger.info("
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img = PILImage.new('RGB', (256, 256), color = (255, 100, 100))
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return img
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# 创建一个模拟图像生成器
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def create_mock_image(prompt):
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"""当模型加载不成功时,创建一个带有提示词的简单图像"""
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logger.info(f"创建简单图像: {prompt}")
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-
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# 创建一个基础图像
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img = PILImage.new('RGB', (512, 512), color=(240, 240, 250))
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# 在图像上写文字
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try:
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from PIL import ImageDraw, ImageFont
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draw = ImageDraw.Draw(img)
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-
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font = ImageFont.truetype("arial.ttf", 20)
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except:
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font = ImageFont.truetype("DejaVuSans.ttf", 20)
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except:
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font = ImageFont.load_default()
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-
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# 添加提示文本
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text = f"提示词: {prompt}"
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draw.text((20, 20), text, fill=(0, 0, 0), font=font)
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draw.text((20, 60), "模型加载失败,显示占位图像", fill=(255, 0, 0), font=font)
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except Exception as e:
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logger.error(f"
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return img
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#
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# 尝试分析提示词内容
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color = (100, 100, 200) # 默认蓝色
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# 简单的颜色匹配
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color_words = {
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'red': (200, 50, 50),
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'blue': (50, 50, 200),
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'green': (50, 200, 50),
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'yellow': (200, 200, 50),
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'purple': (150, 50, 150),
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'orange': (220, 140, 20),
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'pink': (255, 150, 200),
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'black': (30, 30, 30),
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'white': (240, 240, 240),
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'gray': (128, 128, 128),
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}
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# 检查提示词中是否包含颜色
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prompt_lower = prompt.lower()
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for color_word, rgb in color_words.items():
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if color_word in prompt_lower:
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color = rgb
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break
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# 创建一个简单的图形
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from PIL import ImageDraw
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draw = ImageDraw.Draw(img)
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# 根据提示词选择不同的绘制方式
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if any(animal in prompt_lower for animal in ['cat', 'kitty', 'kitten']):
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# 画一个简单的猫
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draw.ellipse((156, 156, 356, 306), fill=color) # 头
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draw.ellipse((196, 176, 246, 226), fill=(255, 255, 255)) # 左眼
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draw.ellipse((266, 176, 316, 226), fill=(255, 255, 255)) # 右眼
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draw.ellipse((211, 191, 231, 211), fill=(0, 0, 0)) # 左眼球
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draw.ellipse((281, 191, 301, 211), fill=(0, 0, 0)) # 右眼球
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draw.polygon([(256, 256), (236, 246), (276, 246)], fill=(255, 100, 150)) # 鼻子
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draw.line([(256, 256), (256, 286)], fill=(0, 0, 0), width=2) # 鼻线
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draw.arc((206, 256, 306, 336), 0, 180, fill=(0, 0, 0), width=2) # 嘴
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# 猫耳朵
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draw.polygon([(206, 156), (156, 76), (246, 126)], fill=color)
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draw.polygon([(306, 156), (356, 76), (266, 126)], fill=color)
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elif any(landscape in prompt_lower for landscape in ['landscape', 'mountain', 'sunset', 'nature']):
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# 画一个简单的风景
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# 天空
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sky_color = (100, 150, 250)
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if 'sunset' in prompt_lower:
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sky_color = (250, 150, 100)
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draw.rectangle([(0, 0), (512, 300)], fill=sky_color)
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# 太阳/月亮
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if 'sunset' in prompt_lower or 'sun' in prompt_lower:
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draw.ellipse((400, 50, 480, 130), fill=(255, 200, 50))
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elif 'night' in prompt_lower or 'moon' in prompt_lower:
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draw.ellipse((400, 50, 480, 130), fill=(240, 240, 240))
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# 山
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draw.polygon([(0, 300), (200, 100), (400, 300)], fill=(100, 100, 100))
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draw.polygon([(100, 300), (300, 50), (500, 300)], fill=(80, 80, 80))
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# 地面
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ground_color = (100, 200, 100)
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if 'desert' in prompt_lower:
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ground_color = (240, 220, 180)
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elif 'snow' in prompt_lower or 'winter' in prompt_lower:
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ground_color = (240, 240, 250)
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draw.rectangle([(0, 300), (512, 512)], fill=ground_color)
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else:
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# 默认绘制一些简单的几何图形
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draw.rectangle([(106, 106), (406, 406)], outline=(0, 0, 0), width=2)
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draw.ellipse((156, 156, 356, 356), fill=color)
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draw.polygon([(256, 106), (406, 406), (106, 406)], fill=(color[0]//2, color[1]//2, color[2]//2))
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# 添加提示词文本
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try:
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except Exception as e:
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logger.error(f"
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#
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def generate_image(prompt):
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#
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if not prompt or prompt.strip() == "":
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prompt = "a beautiful landscape"
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logger.info(f"输入为空,使用默认提示词: {prompt}")
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logger.info(f"收到提示词: {prompt}")
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#
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# 创建Gradio界面
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def create_demo():
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return demo
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# 创建演示界面
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if __name__ == "__main__":
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try:
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logger.info("启动Gradio界面...")
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# 使用最小配置
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demo.launch(
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server_name="0.0.0.0",
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show_api=False,
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share=False
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debug=False, # 禁用调试模式
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quiet=True # 减少日志输出
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)
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except Exception as e:
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logger.error(f"启动失败: {e}")
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stream=sys.stdout)
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logger = logging.getLogger(__name__)
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# 补丁修复 Gradio JSON Schema 错误
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try:
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import gradio_client.utils
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except Exception as e:
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logger.error(f"Failed to patch Gradio utils: {e}")
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# 创建一个备用图像
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def create_backup_image(prompt=""):
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logger.info(f"创建备用图像: {prompt}")
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img = PILImage.new('RGB', (512, 512), color=(240, 240, 250))
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try:
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from PIL import ImageDraw, ImageFont
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draw = ImageDraw.Draw(img)
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font = ImageFont.load_default()
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draw.text((20, 20), f"提示词: {prompt}", fill=(0, 0, 0), font=font)
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draw.text((20, 60), "模型加载失败,无法生成图像", fill=(255, 0, 0), font=font)
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except Exception as e:
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logger.error(f"创建备用图像时出错: {e}")
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return img
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# 预加载 AI 模型
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model = None
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def load_model():
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global model
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if model is not None:
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return model
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try:
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logger.info("开始加载AI模型...")
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# 延迟导入,确保所有依赖都已正确安装
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import torch
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from diffusers import StableDiffusionPipeline
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# 使用较低版本的模型
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model_id = "CompVis/stable-diffusion-v1-4"
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# 设置加载参数
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load_options = {
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"revision": "fp16" if torch.cuda.is_available() else None,
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"torch_dtype": torch.float16 if torch.cuda.is_available() else torch.float32,
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"safety_checker": None
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}
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logger.info(f"使用模型: {model_id}")
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pipe = StableDiffusionPipeline.from_pretrained(model_id, **load_options)
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# 转移到适当的设备
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device = "cuda" if torch.cuda.is_available() else "cpu"
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pipe = pipe.to(device)
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# 优化
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if torch.cuda.is_available():
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pipe.enable_attention_slicing()
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logger.info("AI模型加载成功")
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model = pipe
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return model
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except Exception as e:
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logger.error(f"AI模型加载失败: {e}")
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return None
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# AI 图像生成函数
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def generate_ai_image(prompt, seed=None):
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# 尝试加载模型
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pipe = load_model()
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if pipe is None:
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logger.error("AI模型不可用")
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return None
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try:
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logger.info(f"使用AI生成图像: {prompt}")
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# 设置生成参数
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if seed is None:
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seed = random.randint(0, 2147483647)
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# 确定正确的设备
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generator = torch.Generator("cuda" if torch.cuda.is_available() else "cpu").manual_seed(seed)
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# 生成图像
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image = pipe(
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prompt=prompt,
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guidance_scale=7.5,
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num_inference_steps=5, # 降低步数以加快速度
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generator=generator,
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height=512,
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width=512
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).images[0]
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# 清理缓存
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if torch.cuda.is_available():
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torch.cuda.empty_cache()
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logger.info(f"AI图像生成成功,种子: {seed}")
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return image
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except Exception as e:
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logger.error(f"AI图像生成失败: {e}")
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return None
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# 入口点函数 - 处理请求并生成图像
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def generate_image(prompt):
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# 处理空提示
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if not prompt or prompt.strip() == "":
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prompt = "a beautiful landscape"
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logger.info(f"输入为空,使用默认提示词: {prompt}")
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logger.info(f"收到提示词: {prompt}")
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# 尝试使用AI生成
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image = generate_ai_image(prompt)
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# 检查结果
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if image is not None:
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return image
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else:
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logger.warning("使用备用生成器")
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return create_backup_image(prompt)
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# 创建Gradio界面
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def create_demo():
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with gr.Blocks(title="AI 文本到图像生成器") as demo:
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gr.Markdown("# AI 文本到图像生成器")
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gr.Markdown("输入文本描述,AI将为你生成相应的图像。")
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with gr.Row():
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with gr.Column(scale=3):
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# 输入区域
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prompt_input = gr.Textbox(
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label="输入提示词",
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placeholder="描述你想要的图像,例如:一只可爱的猫,日落下的山脉...",
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lines=2
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)
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generate_button = gr.Button("生成图像", variant="primary")
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# 示例
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gr.Examples(
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examples=[
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"a cute cat sitting on a windowsill",
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"beautiful sunset over mountains",
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"an astronaut riding a horse in space",
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"a fantasy castle on a floating island"
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],
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inputs=prompt_input
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)
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# 输出区域
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with gr.Column(scale=5):
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output_image = gr.Image(label="生成的图像", type="pil")
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# 绑定按钮事件
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generate_button.click(
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fn=generate_image,
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inputs=prompt_input,
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outputs=output_image
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)
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# 也绑定Enter键提交
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214 |
+
prompt_input.submit(
|
215 |
+
fn=generate_image,
|
216 |
+
inputs=prompt_input,
|
217 |
+
outputs=output_image
|
218 |
+
)
|
219 |
+
|
220 |
return demo
|
221 |
|
222 |
# 创建演示界面
|
|
|
226 |
if __name__ == "__main__":
|
227 |
try:
|
228 |
logger.info("启动Gradio界面...")
|
|
|
229 |
demo.launch(
|
230 |
+
server_name="0.0.0.0",
|
231 |
+
show_api=False,
|
232 |
+
share=False
|
|
|
|
|
233 |
)
|
234 |
except Exception as e:
|
235 |
logger.error(f"启动失败: {e}")
|
requirements.txt
CHANGED
@@ -1,8 +1,8 @@
|
|
1 |
-
accelerate==0.
|
2 |
-
diffusers==0.
|
3 |
-
huggingface-hub==0.
|
4 |
-
torch==
|
5 |
-
transformers==4.
|
6 |
safetensors==0.3.1
|
7 |
gradio==3.24.1
|
8 |
-
Pillow==
|
|
|
1 |
+
accelerate==0.15.0
|
2 |
+
diffusers==0.14.0
|
3 |
+
huggingface-hub==0.13.3
|
4 |
+
torch==1.13.1
|
5 |
+
transformers==4.26.0
|
6 |
safetensors==0.3.1
|
7 |
gradio==3.24.1
|
8 |
+
Pillow==9.5.0
|