cleanup build process

tools/build_release

@@ -4,7 +4,7 b''
 import os
 from shutil import rmtree
 
-from toollib import sh, pjoin, get_ipdir, cd, execfile, sdists, buildwheels
+from toollib import sh, pjoin, get_ipdir, cd, sdists, buildwheels
 
 def build_release():
 
@@ -12,13 +12,6 b' def build_release():'
     ipdir = get_ipdir()
     cd(ipdir)
 
-    # Load release info
-    execfile(pjoin('IPython', 'core', 'release.py'), globals())
-
-    with open('docs/source/whatsnew/index.rst') as f:
-        if '   development' in f.read():
-            raise ValueError("Please remove `development` from what's new toctree for release")
-
     # Cleanup
     for d in ['build', 'dist', pjoin('docs', 'build'), pjoin('docs', 'dist'),
               pjoin('docs', 'source', 'api', 'generated')]:

tools/toollib.py

@@ -3,6 +3,7 b''
 
 # Library imports
 import os
+import sys
 
 # Useful shorthands
 pjoin = os.path.join
@@ -20,7 +21,7 b" archive = '%s:%s' % (archive_user, archive_dir)"
 sdists = './setup.py sdist --formats=gztar'
 # Binary dists
 def buildwheels():
-    sh('python3 setupegg.py bdist_wheel')
+    sh('{python} setupegg.py bdist_wheel'.format(python=sys.executable))
 
 # Utility functions
 def sh(cmd):
@@ -31,9 +32,6 b' def sh(cmd):'
     if stat:
         raise SystemExit("Command %s failed with code: %s" % (cmd, stat))
 
-# Backwards compatibility
-c = sh
-
 def get_ipdir():
     """Get IPython directory from command line, or assume it's the one above."""
 
@@ -47,9 +45,6 b' def get_ipdir():'
         raise SystemExit('Invalid ipython directory: %s' % ipdir)
     return ipdir
 
-try:
-    execfile = execfile
-except NameError:
-    def execfile(fname, globs, locs=None):
-        locs = locs or globs
-        exec(compile(open(fname).read(), fname, "exec"), globs, locs)
+def execfile(fname, globs, locs=None):
+    locs = locs or globs
+    exec(compile(open(fname).read(), fname, "exec"), globs, locs)