Python FileNotFoundError 尽管显然已经找到文件

Question

我正在开发一个 mailbomb 程序，它可以随机化给定目录中的图像。代码如下所示：

import schedule, time, smtplib, random, os, sys, socket
from email.mime.text import MIMEText
from email.mime.image import MIMEImage
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart

# Image randomization still under development

def message(subject="Python Notification",
            text="", img="", attachment=None):

    msg = MIMEMultipart()
    msg['Subject'] = subject
    msg.attach(MIMEText(text))

    if type(img) is not list:
        img=[img]
    for one_img in img:
        path = "C:\Users\JoeBiden\Desktop\PJ\AMP\ImgLib"
        files=os.listdir(path)
        randPic=random.choice(files)
        img_data = open(randPic, 'rb').read()
        msg.attach(MIMEImage(img_data,
                             name=os.path.basename(img_data)))

    if attachment is not None:
        if type(attachment) is not list:
            attachment = [attachment]
        for one_attachment in attachment:
            with open(one_attachment, 'rb') as f:
                file = MimeApplication(
                    f.read(),
                    name=os.path.basename(one_attachment)
                )
            file['Content-Disposition'] = f'attachment;\
            filename="{os.path.basename(one_attachment)}"'
            msg-attach(file)
    return msg

def mail():

    smtp=smtplib.SMTP('smtp.gmail.com', 587)
    smtp.ehlo()
    smtp.starttls()
    smtp.login('umomghaey@gmail.com', 'PEEENIS')
    msg = message("Pizza", "Pizza", r"C:\Users\JoeBiden\Desktop\PJ\AMP\ImgLib")
    to = ("cheeseburger@gmail.com")
    smtp.sendmail(from_addr="beesechurger@gmail.com",
                  to_addrs=to, msg=msg.as_string())
    smtp.quit()


schedule.every(2).seconds.do(mail)

while True:
    schedule.run_pending()
    time.sleep(1)

当在 CMD 中运行时，出现以下错误：

        ret = self.job_func()
  File "C:\Users\JoeBiden\Desktop\PJ\AMP\MailRandomizer.py", line 46, in mail
    msg = message("Pizza", "Pizza", r"C:\Users\JoeBiden\Desktop\PJ\AMP\ImgLib")
  File "C:\Users\JoeBiden\Desktop\PJ\AMP\MailRandomizer.py", line 22, in message
    img_data = open(randPic, 'rb').read()
FileNotFoundError: [Errno 2] No such file or directory: 'RandImageFile.jpg'

对我来说，这个错误似乎是自相矛盾的，因为它清楚地告诉我它已经在正确的目录中找到了所需的文件之一。那就是 'RandImageFile.jpg'

Answer 1

os.listdir() 只给你文件名，所以尝试替换

files=os.listdir(path)

类似

files = [os.path.join(path, f) for f in os.listdir(path)]

Python FileNotFoundError 尽管显然已经找到文件

Python FileNotFoundError despite clearly having found the file

python

cmd

paradox