File: ftp.py

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from ftplib import error_perm
from posixpath import dirname

def ftp_makedirs_cwd(ftp, path, first_call=True):
    """Set the current directory of the FTP connection given in the `ftp`
    argument (as a ftplib.FTP object), creating all parent directories if they
    don't exist. The ftplib.FTP object must be already connected and logged in.
    """
    try:
        ftp.cwd(path)
    except error_perm:
        ftp_makedirs_cwd(ftp, dirname(path), False)
        ftp.mkd(path)
        if first_call:
            ftp.cwd(path)