Python: Refer to objects dynamically

Question

Apologies if this is a silly question.

I have a list of potential dictionary keys here:

 form_fields = ['sex',
 'birth',
 'location',
 'politics']

I am currently manually adding values to these keys like so:

 self.participant.vars["sex"] = [Constants.fields_dict["sex"][0], Constants.fields_dict["sex"][1], self.player.name]
 self.participant.vars["birth"] = [Constants.fields_dict["birth"][0], Constants.fields_dict["birth"][1],self.player.age]
 self.participant.vars["location"] = [Constants.fields_dict["location"][0], Constants.fields_dict["location"][1],self.player.politics]

I'd like to be able to do a use a for loop to do this all at once like so:

for i in form_fields:
 self.participant.vars[i] = [Constants.fields_dict[i][0], Constants.fields_dict[i][1], self.player.`i`]

Obviously, however, I can't reference the object self.player.i like that. Is there a way to reference that object dynamically?

• Aran-Fey: Your attributes don't match the dict keys: Constants.fields_dict["sex"][1], self.player.name (sex and name). Is that a mistake?
• Parseltongue: Wow. Thank you. You just identified a bug that has been plaguing me for a day

Answer 1

use getattr, For example, getattr(x, 'foobar') is equivalent to x.foobar.

for i in form_fields:
 self.participant.vars[i] = [Constants.fields_dict[i][0], Constants.fields_dict[i][1], getattr(self.player, i)]

• Parseltongue: Ah, perfect. Thanks Ding. Didn't know about this
• Bubble Bubble Bubble Gut: @Parseltongue Np, glad it helps! :)