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tool.py
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from utils.logger import GetLog
import tkinter as tk
from win32clipboard import OpenClipboard, GetPriorityClipboardFormat, CloseClipboard, GetClipboardData, EmptyClipboard
Log = GetLog()
class Tool:
CF_BITMAP = 2
CF_HDROP = 15
@staticmethod
def emptyClipboard():
'''清空剪贴板'''
try:
OpenClipboard() # 打开剪贴板
EmptyClipboard() # 清空剪贴板
CloseClipboard() # 关闭剪贴板
except Exception as err:
Log.info(f'清空剪贴板失败:{err}')
@staticmethod
def getClipboardFormat():
'''获取剪贴板当前值的格式\n
若为位图,返回CF_BITMAP == [int]2 \n
若为文件句柄,返回所有路径的元组\n
都不是,返回None
'''
formats = [ # 允许读入的剪贴板格式:
Tool.CF_BITMAP, # 位图,最优先
Tool.CF_HDROP, # 文件列表句柄(文件管理器选中文件复制)
]
try:
OpenClipboard() # 打开剪贴板
except Exception as err:
Log.info(f'打开剪贴板失败:{err}')
return None
uFormat = GetPriorityClipboardFormat(formats) # 获取剪贴板中第一位的格式
reData = None
if uFormat == Tool.CF_BITMAP: # 位图返回标志
reData = Tool.CF_BITMAP
elif uFormat == Tool.CF_HDROP: # 句柄,转成路径列表
try:
reData = GetClipboardData(uFormat)
except Exception as err:
CloseClipboard() # 关闭剪贴板
Log.info(f'剪贴板获取文件句柄失败:{err}')
return None
# 剪贴板不存在内容,或为不支持的格式
CloseClipboard() # 关闭剪贴板
return reData