Is it possible to import multiple files with a loop in python? [duplicate]

Question

In a project I'm working on, I need to import many files whose name are quite similar.

from TCA1 import TCA1
from TCA2 import TCA2
from TCA3 import TCA3
from TCA4 import TCA4
.
.
.
from TCA15 import TCA15

So I wonder about the possibility of putting all of these imports in a loop.

I know its ridiculous but something like:

list = ["TCA1","TCA2","TCA3"...,"TCA15"]

for lib in list:
    from lib import lib

Thanks.

If you know the names beforehand, just write the imports. Keep it clear. — Pavel Anossov
– Pavel Anossov, Commented Feb 28, 2014 at 12:28
What are these things you're importing? It sounds like they may be data files, in which case you may not want to use the import mechanism for this. — user2357112
– user2357112, Commented Feb 28, 2014 at 12:33
True, they are test cases including data. So I must import them.. — skynyrd
– skynyrd, Commented Feb 28, 2014 at 12:48

falsetru · Accepted Answer · 2014-02-28 12:27:21Z

4

Using importlib.import_module:

import importlib

module_list = ["TCA1","TCA2","TCA3","TCA15"]

g = globals()
for lib in module_list:
    g[lib] = importlib.import_module('{0}.{0}'.format(lib))

NOTE If there's g in the module_list, this will not work. You should choose other name in such case.

answered Feb 28, 2014 at 12:27

falsetru

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5 Comments

ex1led Over a year ago

Is it possible to do something like that is equivalent to from pkg import item as name using importlib ?

falsetru Over a year ago

@Broxigar, name = importlib.import_module(/pkg.item'), By asssinging to the name you want :)

ex1led Over a year ago

By running the aforemention statement as: name = importlib.import_module("folder_name.package.array1") I get the error not a package

falsetru Over a year ago

@Broxigar, If folder_name is not a package, specify package.array1. BTW, folder_name should be in sys.path.

falsetru Over a year ago

@Broxigar, For more question, please post a separate question with concrete example (+ directory/file structure), so that others (not just me) can answer you.

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