5 files changed, 40 insertions, 15 deletions
diff --git a/src/ext/ed25519/ref10/base.py b/src/ext/ed25519/ref10/base.py
index 84accc8580..3d477c5c39 100644
--- a/src/ext/ed25519/ref10/base.py
+++ b/src/ext/ed25519/ref10/base.py
@@ -1,3 +1,8 @@
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 b = 256
 q = 2**255 - 19
 l = 2**252 + 27742317777372353535851937790883648493
@@ -51,15 +56,15 @@ def radix255(x):
 
 Bi = B
 for i in range(32):
-  print "{"
+  print("{")
   Bij = Bi
   for j in range(8):
-    print " {"
-    print "  {",radix255(Bij[1]+Bij[0]),"},"
-    print "  {",radix255(Bij[1]-Bij[0]),"},"
-    print "  {",radix255(2*d*Bij[0]*Bij[1]),"},"
+    print(" {")
+    print("  {",radix255(Bij[1]+Bij[0]),"},")
+    print("  {",radix255(Bij[1]-Bij[0]),"},")
+    print("  {",radix255(2*d*Bij[0]*Bij[1]),"},")
     Bij = edwards(Bij,Bi)
-    print " },"
-  print "},"
+    print(" },")
+  print("},")
   for k in range(8):
     Bi = edwards(Bi,Bi)
diff --git a/src/ext/ed25519/ref10/base2.py b/src/ext/ed25519/ref10/base2.py
index 5e4e8739d0..3f8e3d25d2 100644
--- a/src/ext/ed25519/ref10/base2.py
+++ b/src/ext/ed25519/ref10/base2.py
@@ -1,3 +1,8 @@
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 b = 256
 q = 2**255 - 19
 l = 2**252 + 27742317777372353535851937790883648493
@@ -52,9 +57,9 @@ def radix255(x):
 Bi = B
 
 for i in range(8):
-  print " {"
-  print "  {",radix255(Bi[1]+Bi[0]),"},"
-  print "  {",radix255(Bi[1]-Bi[0]),"},"
-  print "  {",radix255(2*d*Bi[0]*Bi[1]),"},"
-  print " },"
+  print(" {")
+  print("  {",radix255(Bi[1]+Bi[0]),"},")
+  print("  {",radix255(Bi[1]-Bi[0]),"},")
+  print("  {",radix255(2*d*Bi[0]*Bi[1]),"},")
+  print(" },")
   Bi = edwards(B,edwards(B,Bi))
diff --git a/src/ext/ed25519/ref10/d.py b/src/ext/ed25519/ref10/d.py
index 8995bb86a3..5b875de666 100644
--- a/src/ext/ed25519/ref10/d.py
+++ b/src/ext/ed25519/ref10/d.py
@@ -1,3 +1,8 @@
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 q = 2**255 - 19
 
 def expmod(b,e,m):
@@ -25,4 +30,4 @@ def radix255(x):
   return result
 
 d = -121665 * inv(121666)
-print radix255(d)
+print(radix255(d))
diff --git a/src/ext/ed25519/ref10/d2.py b/src/ext/ed25519/ref10/d2.py
index 79841758be..f59a1bc62a 100644
--- a/src/ext/ed25519/ref10/d2.py
+++ b/src/ext/ed25519/ref10/d2.py
@@ -1,3 +1,8 @@
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 q = 2**255 - 19
 
 def expmod(b,e,m):
@@ -25,4 +30,4 @@ def radix255(x):
   return result
 
 d = -121665 * inv(121666)
-print radix255(d*2)
+print(radix255(d*2))
diff --git a/src/ext/ed25519/ref10/sqrtm1.py b/src/ext/ed25519/ref10/sqrtm1.py
index 9a47fbc12a..df9f26ee1d 100644
--- a/src/ext/ed25519/ref10/sqrtm1.py
+++ b/src/ext/ed25519/ref10/sqrtm1.py
@@ -1,3 +1,8 @@
+# Future imports for Python 2.7, mandatory in 3.0
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
 q = 2**255 - 19
 
 def expmod(b,e,m):
@@ -25,4 +30,4 @@ def radix255(x):
   return result
 
 I = expmod(2,(q-1)/4,q)
-print radix255(I)
+print(radix255(I))