Lastpass lookup failure on python 3

[dannyim]

SUMMARY

Lastpass lookup plugin fails on python 3 due to the subprocess module returning a byte sequence instead of a string.

ISSUE TYPE

• Bug Report

COMPONENT NAME

lastpass

ANSIBLE VERSION

ansible 2.6.0 (devel 3dee0b67e8) last updated 2018/04/12 14:14:38 (GMT -500)
  config file = None
  configured module search path = ['/home/imxxx021/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /c/Users/imxxx021/wsl/projects/ansible/lib/ansible
  executable location = /c/Users/imxxx021/wsl/projects/ansible/bin/ansible
  python version = 3.5.2 (default, Nov 23 2017, 16:37:01) [GCC 5.4.0 20160609]

CONFIGURATION

ANSIBLE_NOCOLOR(env: ANSIBLE_NOCOLOR) = True

OS / ENVIRONMENT

Ubuntu 16.04.4 LTS via WSL on Windows 10 Enterprise (version 1709)

STEPS TO REPRODUCE

---
- hosts: localhost
  vars:
    maven_username: "{{ lookup('lastpass', 'Artifactory maven account', field='username') }}"

EXPECTED RESULTS

The value of the field from lastpass

ACTUAL RESULTS

fatal: [localhost]: FAILED! => {"msg": "An unhandled exception occurred while running the lookup plugin 'template'. Error was a <class 'ansible.errors.AnsibleError'>, original message: An unhandled exception occurred while templating '{{ lookup('lastpass', 'Artifactory maven account', field='username') }}'. Error was a <class 'ansible.errors.AnsibleError'>, original message: An unhandled exception occurred while running the lookup plugin 'lastpass'. Error was a <class 'TypeError'>, original message: memoryview: a bytes-like object is required, not 'str'"}

[ansibot]

Files identified in the description:

• lib/ansible/plugins/lookup/lastpass.py

If these files are inaccurate, please update the component name section of the description or use the !component bot command.

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[alexthemitchell]

Reproducible in 2.7:

ansible 2.7.0
  config file = None
  configured module search path = ['/Users/alexthemitchell/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/Cellar/ansible/2.7.0/libexec/lib/python3.7/site-packages/ansible
  executable location = /usr/local/bin/ansible
  python version = 3.7.0 (default, Jul 23 2018, 20:22:55) [Clang 9.1.0 (clang-902.0.39.2)]

[alexthemitchell]

Hey @azenk, could you check out this bug?