# best way to set ansible constants when using executing ansible playbook from python script

**URL:** <https://forum.ansible.com/t/best-way-to-set-ansible-constants-when-using-executing-ansible-playbook-from-python-script/17876>\
**Category:** Ansible Developer\
**Created:** [March 31, 2015, 3:15am UTC](https://forum.ansible.com/t/best-way-to-set-ansible-constants-when-using-executing-ansible-playbook-from-python-script/17876 "2015-03-31T03:15:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Stanley\_Karunditu](https://avatars.discourse-cdn.com/v4/letter/s/87869e/32.png) [@Stanley\_Karunditu](https://forum.ansible.com/u/Stanley_Karunditu)\
**Post date:** [March 31, 2015, 3:15am UTC](https://forum.ansible.com/t/best-way-to-set-ansible-constants-when-using-executing-ansible-playbook-from-python-script/17876/1 "2015-03-31T03:15:46Z")

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Working on LXC post-provisioning setup where ansible is used to setup a LXC after initial creation.

Wondering if this is the best way to set ansible constants. In this case the ANSIBLE\_HOST\_CHECKING variable.