def cp(filename, pwd, folder, user):
'''
复制文件
'''
if pwd == '/':
print("不能将文件复制到根目录")
return
folderList = pwd.split("/")
oldFolder = folder
newname = folderList.pop(-1) # 最后一个默认是新文件名
if not len(newname):
print("目标文件名不能为空")
return
if not len(folderList): # 当前文件夹下
# 判断重名
for each in folder.fileList:
if each.name == newname:
print("文件重名")
return
# 找到要复制的文件
for each in oldFolder.fileList:
if each.name == filename:
# 新建文件
file = File(newname)
file.content = each.content
folder.fileList.append(file)
break
else:
print("文件不存在")
return
# 其他情况，
# 先切换到目标目录
pwd = pwd[:pwd.rfind(newname) - 1]
if not len(pwd): # 此时说明在根目录下
print("不能将文件复制到根目录下")
return
folder = cd(pwd, folder, user)
# 再复制文件
# 判断重名
for each in folder.fileList:
if each.name == newname:
print("文件重名")
return
# 找到要复制的文件
for each in oldFolder.fileList:
if each.name == filename:
# 新建文件
file = File(newname)
file.content = each.content
folder.fileList.append(file)
break
else:
print("文件不存在")
return
