project_info: replace os.system w/ subprocess.check_call

build_files/cmake/project_info.py

@@ -28,6 +28,9 @@ Module for accessing project file data for Blender.
 Before use, call init(cmake_build_dir).
 """
 
+# TODO: Use CMAKE_EXPORT_COMPILE_COMMANDS (compile_commands.json)
+# Instead of Eclipse project format.
+
 __all__ = (
     "SIMPLE_PROJECTFILE",
     "SOURCE_DIR",
@@ -45,14 +48,22 @@ __all__ = (
 
 
 import sys
-if not sys.version.startswith("3"):
+if sys.version_info.major < 3:
     print("\nPython3.x needed, found %s.\nAborting!\n" %
           sys.version.partition(" ")[0])
     sys.exit(1)
 
 
+import subprocess
 import os
-from os.path import join, dirname, normpath, abspath, splitext, exists
+from os.path import (
+    abspath,
+    dirname,
+    exists,
+    join,
+    normpath,
+    splitext,
+)
 
 SOURCE_DIR = join(dirname(__file__), "..", "..")
 SOURCE_DIR = normpath(SOURCE_DIR)
@@ -146,13 +157,13 @@ def cmake_advanced_info():
             raise Exception("Error: win32 is not supported")
         else:
             if make_exe_basename.startswith(("make", "gmake")):
-                cmd = 'cmake "%s" -G"Eclipse CDT4 - Unix Makefiles"' % CMAKE_DIR
+                cmd = ("cmake", CMAKE_DIR, "-GEclipse CDT4 - Unix Makefiles")
             elif make_exe_basename.startswith("ninja"):
-                cmd = 'cmake "%s" -G"Eclipse CDT4 - Ninja"' % CMAKE_DIR
+                cmd = ("cmake", CMAKE_DIR, "-GEclipse CDT4 - Ninja")
             else:
                 raise Exception("Unknown make program %r" % make_exe)
 
-        os.system(cmd)
+        subprocess.check_call(cmd)
         return join(CMAKE_DIR, ".cproject")
 
     includes = []