[英]os.rename(src,dir) cannot find specified file?
我正在使用python編寫用於偵察兵小屋的程序,以將信息存儲在偵察兵中,並能夠添加/刪除偵察兵。 規范說它必須使用文件處理來存儲偵察員。
在為remove scouts部分編寫代碼后,我遇到了os.rename()命令的問題。 老實說,我不明白為什么。 sed目錄實際上不存在,這是我的問題嗎? src目錄不,我想將此重命名為其他名稱。 例如,我想將“ IDTemp.txt”重命名為“ IDs.txt”,而實際上沒有“ IDs.txt”作為文件存在。 這可能嗎? 代碼如下:
elif self._name == "rem":
remID = str(scoutID.get())
if remID != "":
#store all the lines that are in the file in a temp file
with open(fileName,"r") as f:
lines = f.readlines()
with open(tempFileName,"a") as ft:
for line in lines:
#splits the line by ',', then takes the last part. It then trims this to remove the '/n' prefix
sctID = str(line.split(",")[3])[:-1]
if sctID != remID: #if the ID we are looking to remove isn't
#the ID of the scout we are currently looking at, move it to the temp file
ft.write(line)
else:
#Remove the scout ID of the scout that is being removed from the ID file
with open(IDFileName,"r+") as fi:
lines = fi.readlines()
with open(IDTemp,"a") as ft:
for line in lines:
if line[:-1] != sctID:
ft.write(line)
os.rename(IDTemp,IDFileName)
#remove the main file, then rectrate a new one
os.remove(fileName)
file = open(fileName,"a")
file.close()
#copy all the lines back to the main file
with open(tempFileName,"r") as tf:
lines = tf.readlines()
with open(fileName,"a") as f:
for line in lines:
f.write(line)
#finally, delete and recreate the temp file
os.remove(tempFileName)
file = open(tempFileName,"a")
file.close()
#remove the window
master.destroy()
輸出:
Exception in Tkinter callback
Traceback (most recent call last):
File "C:\Python34\lib\tkinter\__init__.py", line 1533, in __call__
return self.func(*args)
File "C:\Users\KRIS\Documents\Python Projects\Scouts\popupWindow.py", line 88, in _callback
os.rename(IDTemp,IDFileName)
FileNotFoundError: [WinError 2] The system cannot find the file specified: 'C:\\Users\\KRIS\\Scouts\\Temp\\IDTemp.txt' -> 'C:\\Users\\KRIS\\Scouts\\Temp\\IDs.txt'
通過重寫代碼部分進行了修復,並將ID從temp復制到了主ID文件的新副本中,留下了ID以刪除remID
。 然后,我刪除了臨時文件。
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