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解决句柄占用问题。

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liuwei
2025-05-26 10:08:29 +08:00
parent 9731589d6d
commit 3832997ac5
3 changed files with 58 additions and 61 deletions
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11
plugins/xiuren_image/meitu_dl.py
View File

@@ -150,12 +150,11 @@ def download_image(img_url, folder_path, img_index, max_retries=3):
time.sleep(2 * (attempt + 1))
continue
img = Image.open(BytesIO(response.content)).convert('RGB')
img_name = f"{img_index:03d}.jpg"
img_path = os.path.join(folder_path, img_name)
img.save(img_path, 'JPEG', quality=95)
logger.info(f"已下载并转换为JPG: {img_path}")
with Image.open(BytesIO(response.content)).convert('RGB') as img:
img_name = f"{img_index:03d}.jpg"
img_path = os.path.join(folder_path, img_name)
img.save(img_path, 'JPEG', quality=95)
logger.info(f"已下载并转换为JPG: {img_path}")
return True
except Exception as e:

68
plugins/xiuren_image/xiuren_pdf.py
View File

@@ -8,45 +8,45 @@ import io
def compress_image(image_path, target_size_kb=300):
"""快速压缩图片到目标大小（单位：KB）"""
img = PILImage.open(image_path)
with PILImage.open(image_path) as img:
# 调整图片尺寸，保持宽高比
# 如果图片有透明度，转换为RGB
if img.mode in ('RGBA', 'P'):
img = img.convert('RGB')
# 如果图片有透明度，转换为RGB
if img.mode in ('RGBA', 'P'):
img = img.convert('RGB')
# 获取原始文件大小（KB）
original_size_kb = os.path.getsize(image_path) / 1024
# 获取原始文件大小（KB）
original_size_kb = os.path.getsize(image_path) / 1024
# 如果原始大小已小于目标大小，直接返回原始数据
if original_size_kb <= target_size_kb:
output = io.BytesIO()
img.save(output, format='JPEG', quality=85)
return output.getvalue()
# 根据原始大小和目标大小预估初始质量
# 假设质量与文件大小近似线性关系，设置一个初始值
estimated_quality = min(95, max(10, int(85 * (target_size_kb / original_size_kb))))
# 如果原始大小已小于目标大小，直接返回原始数据
if original_size_kb <= target_size_kb:
output = io.BytesIO()
img.save(output, format='JPEG', quality=85)
return output.getvalue()
img.save(output, format='JPEG', quality=estimated_quality)
size_kb = len(output.getvalue()) / 1024
# 根据原始大小和目标大小预估初始质量
# 假设质量与文件大小近似线性关系，设置一个初始值
estimated_quality = min(95, max(10, int(85 * (target_size_kb / original_size_kb))))
# 如果预估结果偏差较大，使用二分法调整（最多尝试3次）
low, high = 10, 95
for _ in range(3):
if size_kb <= target_size_kb * 0.9 or size_kb >= target_size_kb * 1.1: # 允许±10%偏差
quality = (low + high) // 2
output.seek(0)
output.truncate(0)
img.save(output, format='JPEG', quality=quality)
size_kb = len(output.getvalue()) / 1024
output = io.BytesIO()
img.save(output, format='JPEG', quality=estimated_quality)
size_kb = len(output.getvalue()) / 1024
# 如果预估结果偏差较大，使用二分法调整（最多尝试3次）
low, high = 10, 95
for _ in range(3):
if size_kb <= target_size_kb * 0.9 or size_kb >= target_size_kb * 1.1: # 允许±10%偏差
quality = (low + high) // 2
output.seek(0)
output.truncate(0)
img.save(output, format='JPEG', quality=quality)
size_kb = len(output.getvalue()) / 1024
if size_kb > target_size_kb:
high = quality - 1
if size_kb > target_size_kb:
high = quality - 1
else:
low = quality + 1
else:
low = quality + 1
else:
break
break
return output.getvalue()
@@ -85,8 +85,8 @@ def create_pdf_from_images(directory, output_pdf):
compressed_image_data = compress_image(image_file)
# 从压缩字节数据中读取图片以获取新尺寸
compressed_img = PILImage.open(io.BytesIO(compressed_image_data))
img_width, img_height = compressed_img.size
with PILImage.open(io.BytesIO(compressed_image_data)) as compressed_img:
img_width, img_height = compressed_img.size
# 设置目标宽度（适应A3页面宽度，最大800点）
target_width = 800

40
sehuatang/shehuatang.py
View File

@@ -182,27 +182,25 @@ def fetch_and_create_pdf(url):
if image:
try:
# 使用PIL处理图片尺寸
img = PILImage.open(image)
img_width, img_height = img.size
# 计算缩放比例，确保图片适应页面
scale_width = max_image_width / img_width
scale_height = max_image_height / img_height
scale = min(scale_width, scale_height, 1.0) # 不超过原始大小
# 计算新的尺寸
new_width = img_width * scale
new_height = img_height * scale
# 重置文件指针
image.seek(0)
img_stream = BytesIO(image.getvalue())
# 添加图片到内容中，使用计算后的尺寸
content.append(Image(img_stream, width=new_width, height=new_height))
content.append(Spacer(1, 4))
print(f"处理图片: 原始尺寸 {img_width}x{img_height}, 新尺寸 {new_width}x{new_height}")
with PILImage.open(image) as img:
img_width, img_height = img.size
# 计算缩放比例，确保图片适应页面
scale_width = max_image_width / img_width
scale_height = max_image_height / img_height
scale = min(scale_width, scale_height, 1.0) # 不超过原始大小
# 计算新的尺寸
new_width = img_width * scale
new_height = img_height * scale
# 重置文件指针
image.seek(0)
img_stream = BytesIO(image.getvalue())
# 添加图片到内容中，使用计算后的尺寸
content.append(Image(img_stream, width=new_width, height=new_height))
content.append(Spacer(1, 4))
print(f"处理图片: 原始尺寸 {img_width}x{img_height}, 新尺寸 {new_width}x{new_height}")
except Exception as e:
print(f"处理图片时出错: {e}")