23 lines
518 B
Python
23 lines
518 B
Python
|
class FTPError(Exception):
|
||
|
|
def __init__(self, message="An unknown error occured", code=-1):
|
||
|
|
self.message = message
|
||
|
|
self.code = code
|
||
|
|
super().__init__(self.message)
|
||
|
|
|
||
|
|
def parse_ftp_command(cmd):
|
||
|
|
tokens = cmd.split(" ")
|
||
|
|
|
||
|
|
if len(tokens) == 0:
|
||
|
|
raise FTPError("No command issued!")
|
||
|
|
|
||
|
|
command_name = tokens[0].upper()
|
||
|
|
arguments = tokens[1:]
|
||
|
|
|
||
|
|
return (command_name, arguments)
|
||
|
|
|
||
|
|
def get_argument(args, name, index):
|
||
|
|
try:
|
||
|
|
return args[index]
|
||
|
|
except IndexError:
|
||
|
|
raise FTPError(f"Missing argument '{name}'", 2138)
|