From c6ded9ec0bb5e25c332f4416f37e41b6379fbe86 Mon Sep 17 00:00:00 2001
From: Jason Ish <jason.ish@oisf.net>
Date: Wed, 14 Jun 2023 10:49:47 -0700
Subject: [PATCH] run.py: allow python lambda expression for requires

Add a new require type, "lambda" which will require the Python lambda
expression to return a truthy value.
---
 README.md | 4 ++++
 run.py    | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/README.md b/README.md
index 674e4803b..be5b2afa6 100644
--- a/README.md
+++ b/README.md
@@ -72,6 +72,10 @@ requires:
     - command2
     - ...
 
+  # Require the output of a Python expression to be true. For example,
+  # this will run on all platforms other than win32.
+  lambda: "sys.platform != win32"
+
 skip:
   # Skip a test if a feature is present, with a message that is logged.
   - feature: RUST
diff --git a/run.py b/run.py
index af79c1360..8e2f1acee 100755
--- a/run.py
+++ b/run.py
@@ -365,6 +365,9 @@ def check_requires(requires, suricata_config: SuricataConfig):
         elif key == "pcap":
             # A valid requires argument, but not verified here.
             pass
+        elif key == "lambda":
+            if not eval(requires["lambda"]):
+                raise UnsatisfiedRequirementError(requires["lambda"])
         else:
             raise Exception("unknown requires types: %s" % (key))