Use Python3 print syntax

Author: simonlindholm

problemtools/problem2html.py

@@ -1,5 +1,6 @@
 #! /usr/bin/env python2
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 import re
 import os.path
 import sys
@@ -54,7 +55,7 @@ def convert(problem, options=None):
     renderer = ProblemRenderer()
 
     if not options.quiet:
-        print 'Parsing TeX source...'
+        print('Parsing TeX source...')
     doc = tex.parse()
 
     # Go to destdir
@@ -65,7 +66,7 @@ def convert(problem, options=None):
 
     try:
         if not options.quiet:
-            print 'Rendering!'
+            print('Rendering!')
         renderer.render(doc)
 
         # Annoying: I have not figured out any way of stopping the plasTeX

problemtools/run/program.py

@@ -1,5 +1,6 @@
 """Abstract base class for programs.
 """
+from __future__ import print_function
 import os
 import limit
 import resource
@@ -82,8 +83,8 @@ def __run_wait(argv, infile, outfile, errfile, timelim, memlim):
                                 os.O_WRONLY | os.O_CREAT | os.O_TRUNC)
                 os.execvp(argv[0], argv)
             except Exception as exc:
-                print "Oops. Fatal error in child process:"
-                print exc
+                print("Oops. Fatal error in child process:")
+                print(exc)
                 os.kill(os.getpid(), signal.SIGTERM)
             # Unreachable
             logging.error("Unreachable part of run_wait reached")

problemtools/template.py

@@ -1,3 +1,4 @@
+from __future__ import print_function
 import os
 import re
 import os.path
@@ -60,7 +61,7 @@ def __init__(self, problemdir, language='',
         timelim = 1  # Legacy for compatibility with v0.1
         version = detect_version(problemdir, problemtex)
         if version != '':
-            print 'Note: problem is in an old version (%s) of problem format, you should consider updating it' % version
+            print('Note: problem is in an old version (%s) of problem format, you should consider updating it' % version)
             templatefile = 'template_%s.tex' % version
             clsfile = 'problemset_%s.cls' % version
 
@@ -82,7 +83,7 @@ def __init__(self, problemdir, language='',
         self.problemset_cls = os.path.join(basedir, 'problemset.cls')
 
         if os.path.isfile(self.problemset_cls) and not force_copy_cls:
-            print '%s exists, will not copy it -- in case of weirdness this is likely culprit' % self.problemset_cls
+            print('%s exists, will not copy it -- in case of weirdness this is likely culprit' % self.problemset_cls)
             self.copy_cls = False
 
         if self.copy_cls:

problemtools/update_from_old_problemformat.py

@@ -1,5 +1,6 @@
 # -*- coding: utf-8 -*-
 
+from __future__ import print_function
 from optparse import OptionParser
 import glob
 import os
@@ -17,12 +18,12 @@ def update(problemdir):
     yaml_changed = False
 
     if 'name' in config:
-        print 'Move problem name "%s" to these problem statement files: %s' % (config['name'], stmts)
+        print('Move problem name "%s" to these problem statement files: %s' % (config['name'], stmts))
 
         for f in stmts:
             stmt = open(f, 'r').read()
             if stmt.find('\\problemname{') != -1:
-                print '   Statement %s already has a problemname, skipping' % f
+                print('   Statement %s already has a problemname, skipping' % f)
                 continue
             newstmt = '\problemname{%s}\n\n%s' % (config['name'], stmt)
             open(f, 'w').write(newstmt)
@@ -36,7 +37,7 @@ def update(problemdir):
             validation = 'custom'
             validator_flags = validator_flags[1:]
         validator_flags = ' '.join(validator_flags)
-        print 'Old validator option exists, moving to validation: %s, validator_flags: %s' % (validation, validator_flags)
+        print('Old validator option exists, moving to validation: %s, validator_flags: %s' % (validation, validator_flags))
         config['validation'] = validation
         if validator_flags != '':
             config['validator_flags'] = validator_flags
@@ -55,8 +56,8 @@ def update(problemdir):
 
     for dir in args:
         try:
-            print 'Updating %s' % dir
+            print('Updating %s' % dir)
             update(dir)
         except Exception as e:
-            print 'Update FAILED: %s' % e
+            print('Update FAILED: %s' % e)
 

problemtools/verifyproblem.py

@@ -1,5 +1,6 @@
 #! /usr/bin/env python2
 # -*- coding: utf-8 -*-
+from __future__ import print_function
 import glob
 import string
 import hashlib
@@ -89,7 +90,7 @@ def warning(self, msg):
         logging.warning('in %s: %s', self, msg)
 
     def msg(self, msg):
-        print msg
+        print(msg)
 
     def info(self, msg):
         logging.info(': %s', msg)
@@ -1272,12 +1273,12 @@ def main():
                         format=fmt,
                         level=eval("logging." + args.loglevel.upper()))
 
-    print 'Loading problem %s' % os.path.basename(os.path.realpath(args.problemdir))
+    print('Loading problem %s' % os.path.basename(os.path.realpath(args.problemdir)))
     with Problem(args.problemdir) as prob:
         [errors, warnings] = prob.check(args)
         def p(x):
             return '' if x == 1 else 's'
-        print "%s tested: %d error%s, %d warning%s" % (prob.shortname, errors, p(errors), warnings, p(warnings))
+        print("%s tested: %d error%s, %d warning%s" % (prob.shortname, errors, p(errors), warnings, p(warnings)))
 
     sys.exit(1 if errors > 0 else 0)