上传头像到服务器，用 PIL 保存出错

[gaolinjie]

在本地运行的时候一切都好，但当我部署到server（Ubuntu 12.10）上时，每次上传头像保存都会发生下面的错误：

```
Traceback (most recent call last):
File "/usr/local/lib/python2.6/dist-packages/tornado/web.py", line 1042, in _execute
getattr(self, self.request.method.lower())(*args, **kwargs)
File "/usr/local/lib/python2.6/dist-packages/tornado/web.py", line 1809, in wrapper
return method(self, *args, **kwargs)
File "/srv/www/domain.com/handler/user.py", line 127, in post
avatar_96x96.save("./static/avatar/b_%s.png" % avatar_name, "PNG")
File "/usr/local/lib/python2.6/dist-packages/PIL/Image.py", line 1433, in save
fp = __builtin__.open(fp, "wb")
IOError: [Errno 2] No such file or directory: './static/avatar/b_861c16ed-ecf4-5f49-ac5b-7d1565adf2a8.png'
```

我也上网找了好多资料，貌似也没有什么解决方法，请问有什么解决办法没，谢谢

[CoX]

错误很明显呐 No such file or directory
还是用绝对路径吧，目前存放的路径是 handler/static/avatar/

[yetone]

用绝对路径

[gaolinjie]

@CoX
@yetone 谢谢，解决了