python

In [1]: %load_ext autoreload

In [2]: %autoreload 2       # Reload all modules (except those excluded by %aimport) every time before executing the Python code typed.

In [3]: from foo import some_function

In [4]: some_function()
Out[4]: 42

In [5]: # open foo.py in an editor and change some_function to return 43

In [6]: some_function()
Out[6]: 43

The following magic commands are provided:

• %autoreload : Reload all modules (except those excluded by %aimport) automatically now.
• %autoreload 0 : Disable automatic reloading.
• %autoreload 1 : Reload all modules imported with %aimport every time before executing the Python code typed.
• %autoreload 2 : Reload all modules (except those excluded by %aimport) every time before executing the Python code typed.
• %aimport : List modules which are to be automatically imported or not to be imported.
• %aimport foo : Import module ‘foo’ and mark it to be autoreloaded for %autoreload 1
• %aimport -foo : Mark module ‘foo’ to not be autoreloaded.