Remove python2.

It is not supported on the latest Ubuntu LTS, and has been unsupported
for almost 5 years.

Author: veluca93

cms/grading/languages/python2_cpython.py

@@ -48,20 +48,19 @@
 LANG_JAVA = "Java / JDK"
 LANG_PASCAL = "Pascal / fpc"
 LANG_PHP = "PHP"
-LANG_PYTHON = "Python 2 / CPython"
 LANG_PYTHON3 = "Python 3 / CPython"
 LANG_RUST = "Rust"
 LANG_C_SHARP = "C# / Mono"
 ALL_LANGUAGES = (
     LANG_CPP, LANG_CPP14, LANG_CPP17, LANG_C, LANG_HS, LANG_JAVA, LANG_PASCAL,
-    LANG_PHP, LANG_PYTHON, LANG_PYTHON3, LANG_RUST, LANG_C_SHARP
+    LANG_PHP, LANG_PYTHON3, LANG_RUST, LANG_C_SHARP
 )
 NON_INTERPRETED_LANGUAGES = (
     LANG_C, LANG_CPP, LANG_CPP14, LANG_CPP17, LANG_PASCAL
 )
 COMPILED_LANGUAGES = (
     LANG_C, LANG_CPP, LANG_CPP14, LANG_CPP17, LANG_PASCAL, LANG_JAVA,
-    LANG_PYTHON, LANG_PYTHON3, LANG_HS, LANG_RUST, LANG_C_SHARP
+    LANG_PYTHON3, LANG_HS, LANG_RUST, LANG_C_SHARP
 )
 
 ALL_TESTS = [

cmstestsuite/Tests.py

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys

cmstestsuite/tasks/batch_fileio_managed/code/checker

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys
@@ -17,7 +16,7 @@ correct = True
 
 # Speak the to program a few times, check what it does, and output the last
 # line.
-for i in range(10,20) + [0]:
+for i in list(range(10, 20)) + [0]:
     x = i + input_value
     # Write a question to the candidate executable.
     fifo_to_user.write("%d\n" % x)

cmstestsuite/tasks/communication_fifoio_stubbed/code/manager

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys
@@ -20,7 +19,7 @@ correct = True
 
 # Speak the to program a few times, check what it does, and output the last
 # line.
-for i in range(10, 20) + [0]:
+for i in list(range(10, 20)) + [0]:
     x = i + input_value
     # Write a question to the candidate executable.
     fifo_to_user1.write("%d\n" % x)

cmstestsuite/tasks/communication_many_fifoio_stubbed/code/manager

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys
@@ -22,7 +21,7 @@ correct = True
 
 # Speak the to program a few times, check what it does, and output the last
 # line.
-for i in range(10, 20) + [0]:
+for i in list(range(10, 20)) + [0]:
     x = i + input_value
     # Write a question to the candidate executable.
     fifo_to_user1.write("%d\n" % x)

cmstestsuite/tasks/communication_many_stdio_stubbed/code/manager

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys
@@ -19,7 +18,7 @@ correct = True
 
 # Speak the to program a few times, check what it does, and output the last
 # line.
-for i in range(10,20) + [0]:
+for i in list(range(10, 20)) + [0]:
     x = i + input_value
     # Write a question to the candidate executable.
     fifo_to_user.write("%d\n" % x)

cmstestsuite/tasks/communication_stdio/code/manager

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys
@@ -19,7 +18,7 @@ correct = True
 
 # Speak the to program a few times, check what it does, and output the last
 # line.
-for i in range(10,20) + [0]:
+for i in list(range(10, 20)) + [0]:
     x = i + input_value
     # Write a question to the candidate executable.
     fifo_to_user.write("%d\n" % x)

cmstestsuite/tasks/communication_stdio_stubbed/code/manager

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys

cmstestsuite/tasks/outputonly_comparator/code/checker

@@ -1,6 +1,5 @@
-#!/usr/bin/python2 -sS
+#!/usr/bin/python3 -sS
 
-from __future__ import print_function
 
 import io
 import sys