From 68c301423291ebe80b6f8174e7f1978f5a2613f6 Mon Sep 17 00:00:00 2001
From: Oliver <oliver.henry.walters@gmail.com>
Date: Wed, 13 Dec 2023 22:20:50 +1100
Subject: [PATCH] FAQ - removeSuffix error (#6081)

* Add FAQ entry about removeSuffix error

- Closes https://github.com/inventree/InvenTree/issues/6080

* Check python version in tasks.py
---
 docs/docs/faq.md |  6 ++++++
 tasks.py         | 29 +++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/docs/docs/faq.md b/docs/docs/faq.md
index da2b8c4f69..5056fc0c57 100644
--- a/docs/docs/faq.md
+++ b/docs/docs/faq.md
@@ -51,6 +51,12 @@ Most likely you are trying to run the InvenTree server from outside the context
 
 Always activate the virtual environment before running server commands!
 
+### 'str' object has no attribute 'removeSuffix'
+
+This error occurs because your installed python version is not up to date. We [require Python v3.9 or newer](./start/intro.md#python-requirements)
+
+You (or your system administrator) needs to update python to meet the minimum requirements for InvenTree.
+
 ## Update Issues
 
 Sometimes, users may encounter unexpected error messages when updating their InvenTree installation to a newer version.
diff --git a/tasks.py b/tasks.py
index 5627b281af..4558117b6c 100644
--- a/tasks.py
+++ b/tasks.py
@@ -13,6 +13,35 @@ from platform import python_version
 from invoke import task
 
 
+def checkPythonVersion():
+    """Check that the installed python version meets minimum requirements.
+
+    If the python version is not sufficient, exits with a non-zero exit code.
+    """
+
+    REQ_MAJOR = 3
+    REQ_MINOR = 9
+
+    version = sys.version.split(" ")[0]
+
+    valid = True
+
+    if sys.version_info.major < REQ_MAJOR:
+        valid = False
+
+    elif sys.version_info.major == REQ_MAJOR and sys.version_info.minor < REQ_MINOR:
+        valid = False
+
+    if not valid:
+        print(f"The installed python version ({version}) is not supported!")
+        print(f"InvenTree requires Python {REQ_MAJOR}.{REQ_MINOR} or above")
+        sys.exit(1)
+
+
+if __name__ in ['__main__', 'tasks']:
+    checkPythonVersion()
+
+
 def apps():
     """Returns a list of installed apps."""
     return [