CentOS 7 issues with "ImportError: No module named concurrent.futures" and "SyntaxError: Non-ASCII character '\xc3'"

[davidcallen]

Using role with tag 1.0.2

When I run the "aws" command I got error :

ImportError: No module named concurrent.futures

I did a "pip install futures" but now when I run the aws tool I get error :

SyntaxError: Non-ASCII character '\xc3' in file /usr/lib/python2.7/site-packages/rsa/key.py

I found that upgrading pip before installation helped.

Also I used pip3 as the pip_executable instead of just pip. I'm not 100% why this is necessary because the executable files /usr/local/bin/pip and /usr/local/bin/pip3 appear to both use python3 and are identical.

$ uname -a
Linux ta-core-docker-qa-mail.tradingapps.com 3.10.0-1160.36.2.el7.x86_64 #1 SMP Wed Jul 21 11:57:15 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

$ cat /etc/centos-release
CentOS Linux release 7.9.2009 (Core)

So my solution was :

diff --git a/defaults/main.yml b/defaults/main.yml
index ed97d53..19729dc 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1 +1,2 @@
 ---
+pip_executable_override:
diff --git a/tasks/install-redhat-7.yml b/tasks/install-redhat-7.yml
index 25b49bf..54440a8 100644
--- a/tasks/install-redhat-7.yml
+++ b/tasks/install-redhat-7.yml
@@ -26,9 +26,13 @@
   tags:
     - install
 
+- name: "Upgrade pip"
+  shell: "{{ pip_executable_override | default('pip') }} install --upgrade pip"
+
 - name: Install {{ cli_package }}
   pip:
     name: "{{ cli_package }}"
     state: present
+    executable: "{{ pip_executable_override | default('pip') }}"
   tags:
     - install

and the role was used like this :

    #- role: christiangda.awscli  # Use my patched version instead as below...
    - role: ansible-role-awscli
      vars:
        pip_executable_override: pip3