Temporary fix for CoppeliaSim 4.1.

Author: stepjam

setup.py

@@ -1,4 +1,5 @@
 import codecs
+import os
 import os.path
 from os.path import join
 
@@ -22,6 +23,17 @@ def get_version(rel_path):
         raise RuntimeError("Unable to find version string.")
 
 
+# Temp fix for CoppeliaSim 4.1
+if 'COPPELIASIM_ROOT' not in os.environ:
+    raise RuntimeError('COPPELIASIM_ROOT not defined.')
+with open(os.path.join(os.environ['COPPELIASIM_ROOT'], 'system', 'usrset.txt'), 'r') as f:
+    usrset = f.read()
+
+if 'allowOldEduRelease' not in usrset:
+    with open(os.path.join(os.environ['COPPELIASIM_ROOT'], 'system', 'usrset.txt'), 'a') as f:
+        f.write('\nallowOldEduRelease=7501\n')
+
+
 setup(name='PyRep',
       # Version A.B.C.D.
       # A.B.C info corresponds to the CoppeliaSim version needed.