Capture stderr because some runners print their version there

byexamples · Feb 24, 2022 · 6efe029 · 6efe029
1 parent 292817a
commit 6efe029
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/byexample/runner.py b/byexample/runner.py
@@ -969,7 +969,10 @@ def _get_version(self, options):
             return None
 
         try:
-            out = subprocess.check_output(cmd).decode(self.encoding)
+            out = subprocess.check_output(cmd,
+                                          stderr=subprocess.STDOUT).decode(
+                                              self.encoding
+                                          )
             version = self._parse_version(out)
 
         except Exception as err:

diff --git a/docs/overview/faq.md b/docs/overview/faq.md
@@ -216,10 +216,9 @@ If you want to know the exact command line used by `byexample`, you can
 find it adding more verbosity:
 
 ```shell
-$ byexample -l python -x-shebang 'python:env python99' -v test/ds/db-stock-model   # byexample: +norm-ws
+$ byexample -l python -x-shebang 'python:env python99' -v test/ds/db-stock-model   # byexample: +norm-ws +diff=ndiff
 [i] Initializing Python Runner
 [i] Spawn command line: env python99
-<...>
 [w] Failed to obtain Python Runner's version <...>
 [w] Initialization of Python Runner failed.
 <...>