On 03/16/2012 05:19 PM, Robert Kern wrote:
On 3/16/12 4:49 PM, Andrea Crotti wrote:
I started the following small project:
https://github.com/AndreaCrotti/import-tree
because I would like to find out what exactly depends on what at
run-time, using
an import hook.
It works quite well for small examples but the main problem is that
once a
module is imported
it's added to sys.modules and then it doesn't go through the import
hook anymore.
I tried to mess around with sys.modules but it might not be a good
idea, and it
leads to easy
infinite loops.
Is there a good way to achieve this?
I guess I could do the loop detection myself, but that should not be
too hard..
You want to monkeypatch __builtin__.__import__() instead. It always
gets called.
Seems like a good idea :)
My first attempt failes though
def full(module):
from __builtin__ import __import__
ls = []
orig = __import__
def my_import(name):
ls.append(name)
orig(name)
__import__ = my_import
__import__(module)
__import__ = orig
return ls
it imports only the first element and doesn't import the dependencies..
Any hints?
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