如果您要根据修改时间戳记做出决定:
entries = list(ftp.mlsd())
entries = [entry for entry in entries if entry[1][“type”] == “dir”]
entries.sort(key = lambda entry: entry[1][‘modify’], reverse = True)
latest_name = entries[0][0] print(latest_name)
如果要使用文件名:
# Sort by filename
entries.sort(key = lambda entry: entry[0], reverse = True)
如果您需要使用过时的LIST
命令,则必须解析它返回的专有列表。
常见的* nix列表如下:
drw-r--r-- 1 user group 4096 Mar 26 2018 folder1-20180326
drw-r--r-- 1 user group 4096 Jun 18 11:21 folder2-20180618
-rw-r--r-- 1 user group 4467 Mar 27 2018 file-20180327.zip
-rw-r--r-- 1 user group 124529 Jun 18 15:31 file-20180618.zip
使用这样的清单,此代码将执行以下操作:
如果您要根据修改时间戳记做出决定:
lines = []
ftp.dir(“”, lines.append)
latest_time = None latest_name = None
for line in lines: tokens = line.split(maxsplit = 9) # Only interested in directories if tokens[0][0] == “d”: time_str = tokens[5] + ” ” + tokens[6] + ” ” + tokens[7] time = parser.parse(time_str) if (latest_time is None) or (time > latest_time): latest_name = tokens[8] latest_time = time
print(latest_name)
如果要使用文件名:
lines = []
ftp.dir(“”, lines.append)
latest_name = None
for line in lines: tokens = line.split(maxsplit = 9) # Only interested in directories if tokens[0][0] == “d”: name = tokens[8] if (latest_name is None) or (name > latest_name): latest_name = name
print(latest_name)
某些FTP服务器可能返回.
并..
输入LIST
结果。您可能需要过滤它们。
部分基于:Python FTP按日期获取最新文件。
如果该文件夹不包含任何文件,仅包含子文件夹,则还有其他更简单的选项。
lines = ftp.nlst("-t")
latest_name = lines[-1]
lines = ftp.nlst()
latest_name = max(lines)