From 7fc080d57065e4765a0648352fd4cde24272fd3c Mon Sep 17 00:00:00 2001
From: Joseph Weston <joseph.weston08@gmail.com>
Date: Tue, 20 Jun 2017 14:17:32 +0200
Subject: [PATCH] bump required Python version to 3.5
Add check for this in setup.py to avoid potentially confusing
tracebacks later.
---
INSTALL.rst | 2 +-
setup.py | 11 +++++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/INSTALL.rst b/INSTALL.rst
index dfb81ad1..b00fbdf9 100644
--- a/INSTALL.rst
+++ b/INSTALL.rst
@@ -29,7 +29,7 @@ Prerequisites
=============
Building Kwant requires
- * `Python <https://www.python.org/>`_ 3.4 or above (Kwant 1.1 is the last
+ * `Python <https://www.python.org/>`_ 3.5 or above (Kwant 1.1 is the last
version to support Python 2),
* `NumPy <http://numpy.org/>`_ 1.11.0 or newer,
* `SciPy <https://scipy.org/>`_ 0.17.0 or newer,
diff --git a/setup.py b/setup.py
index 74f45b0b..160a6030 100755
--- a/setup.py
+++ b/setup.py
@@ -124,6 +124,16 @@ def configure_extensions(exts, aliases=(), build_summary=None):
return exts
+def check_python_version(min_version):
+ installed_version = sys.version_info[:3]
+ if installed_version < min_version:
+ print('Error: Python {} required, but {} is installed'.format(
+ '.'.join(map(str, min_version)),
+ '.'.join(map(str, installed_version)))
+ )
+ sys.exit(1)
+
+
def check_versions():
global version, version_is_from_git
@@ -557,6 +567,7 @@ def maybe_cythonize(exts):
def main():
+ check_python_version((3, 5))
check_versions()
exts = collections.OrderedDict([
--
GitLab