Move python version check as first thing

1 files changed, 9 insertions, 0 deletions

diff --git a/meson.py b/meson.py
index dab08d3..89352a3 100755
--- a/meson.py
+++ b/meson.py
@@ -15,6 +15,15 @@
 # limitations under the License.
 
 import sys
+
+# Check python version before importing anything else, we might have an older
+# Python that would error on f-string syntax for example.
+if sys.version_info < (3, 7):
+    print('Meson works correctly only with python 3.7+.')
+    print('You have python {}.'.format(sys.version))
+    print('Please update your environment')
+    sys.exit(1)
+
 from pathlib import Path
 
 # If we're run uninstalled, add the script directory to sys.path to ensure that