Python3 compat

README.md

@@ -112,7 +112,7 @@ same name. For example, to call the function jk in jk.m:
 you would call:
 
     res = mlab.run_func('path/to/jk.m', {'arg1': 3, 'arg2': 5})
-    print res['result']
+    print(es['result'])
 
 This would print `8`.
 

messenger/make.py

@@ -1,5 +1,5 @@
 #!/usr/bin/python
-
+from __future__ import print_function
 import os
 import sys
 import fnmatch
@@ -8,7 +8,7 @@
 
 # Check the system platform first
 platform = sys.platform
-print "This is a " + platform + " system"
+print("This is a " + platform + " system")
 
 if platform.startswith('linux'):
     messenger_dir = 'mexa64'
@@ -25,30 +25,30 @@
 # Open the configure file and start parsing
 config = open(os.path.join(messenger_dir, 'local.cfg'), 'r')
 
-for line in config:
+for line in config.decode('utf-8'):
     path = line.split('=')
 
     if path[0] == "MATLAB_BIN":
-        print "Searching for Matlab bin folder in local.cfg ..."
+        print("Searching for Matlab bin folder in local.cfg ...")
         matlab_bin = path[1].rstrip('\r\n')
         if matlab_bin == "":
             raise ValueError("Could not find Matlab bin folder. Please add it to local.cfg")
-        print "Matlab found in " + matlab_bin
+        print("Matlab found in " + matlab_bin)
 
     elif path[0] == "HEADER_PATH":
-        print "Searching for zmq.h in local.cfg ..."
+        print("Searching for zmq.h in local.cfg ...")
         header_path = path[1].rstrip('\r\n')
         if header_path == "":
             raise ValueError("Could not find zmq.h. Please add its path to local.cfg")
-        print "zmq.h found in " + header_path
+        print("zmq.h found in " + header_path)
 
     elif path[0] == "LIB_PATH":
-        print "Searching for zmq library in local.cfg ..."
+        print("Searching for zmq library in local.cfg ...")
         lib_path = path[1].rstrip('\r\n')
         if lib_path == "":
             raise ValueError("Could not find zmq library. Please add its path to local.cfg")
 
-	print "zmq library found in " + lib_path
+	print("zmq library found in " + lib_path)
 
 config.close()
 
@@ -62,7 +62,7 @@
     check_extension = subprocess.Popen(extcmd, stdout = subprocess.PIPE)
     extension = check_extension.stdout.readline().rstrip('\r\n')
 
-print "Building messenger." + extension + " ..."
+print("Building messenger." + extension + " ...")
 
 # Build the mex file
 if platform == 'win32':

pymatbridge/examples/pymatbridge.ipynb

@@ -149,7 +149,7 @@
       "    display_data.append(('MatlabMagic.matlab',\n",
       "                                 {'text/plain':text_output}))\n",
       "for imgf in imgfiles:\n",
-      "    image = open(imgf[0], 'rb').read() \n",
+      "    image = open(imgf[0], 'rb').read().decode('utf-8') \n",
       "    display_data.append(('MatlabMagic.matlab',  {'image/png': image}))\n",
       "\n",
       "for tag, disp_d in display_data:\n",
@@ -257,4 +257,4 @@
    "metadata": {}
   }
  ]
-}
+}

pymatbridge/matlab_magic.py

@@ -235,7 +235,7 @@ def matlab(self, line, cell=None, local_ns=None):
             if len(imgf):
                 # Store the path to the directory so that you can delete it
                 # later on:
-                image = open(imgf, 'rb').read()
+                image = open(imgf, 'rb').read().decode('utf-8')
                 if ipython_version < 3:
                     display_data.append(('MatlabMagic.matlab',
                                          {'image/png':image}))

setup.py

@@ -31,7 +31,7 @@ def copy_bin(bin_path):
 
 # Get version and release info, which is all stored in pymatbridge/version.py
 ver_file = os.path.join('pymatbridge', 'version.py')
-exec(open(ver_file).read())
+exec(open(ver_file).read().decode('utf-8'))
 
 opts = dict(name=NAME,
             maintainer=MAINTAINER,