# Why is runner.\_remote\_md5 not implemented in Python?

**URL:** <https://forum.ansible.com/t/why-is-runner-remote-md5-not-implemented-in-python/12388>\
**Category:** Ansible Project\
**Created:** [February 20, 2013, 1:05am UTC](https://forum.ansible.com/t/why-is-runner-remote-md5-not-implemented-in-python/12388 "2013-02-20T01:05:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Maykel\_Moya](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@Maykel\_Moya](https://forum.ansible.com/u/Maykel_Moya)\
**Post date:** [February 20, 2013, 1:05am UTC](https://forum.ansible.com/t/why-is-runner-remote-md5-not-implemented-in-python/12388/1 "2013-02-20T01:05:10Z")

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Hello

Just curious about the rationale behind this.

Regards,  
maykel

[1]  
[https://github.com/ansible/ansible/blob/devel/lib/ansible/runner/\_\_init\_\_.py#L539](https://github.com/ansible/ansible/blob/devel/lib/ansible/runner/ __init__.py#L539)

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**Author:** ![Michael\_DeHaan](https://avatars.discourse-cdn.com/v4/letter/m/c4cdca/32.png) [@Michael\_DeHaan](https://forum.ansible.com/u/Michael_DeHaan)\
**Post date:** [February 20, 2013, 4:25am UTC](https://forum.ansible.com/t/why-is-runner-remote-md5-not-implemented-in-python/12388/2 "2013-02-20T04:25:24Z")

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It's faster.

We don't want to do a module transfer to just evaluate md5 things.

If the file hasn't changed, we might not need to move a file over at all.