diff --git a/Makefile b/Makefile
index 1bf5d3d99..4dfc01271 100644
--- a/Makefile
+++ b/Makefile
@@ -62,7 +62,7 @@ endif
 all: $(BINARIES)
 
 $(HOOKSRC): $(SIGS) $(FLAGS) $(JINJA2) $(HOOKREQ) $(YAML)
-	python2 utils/process.py $(RELMODE) --apis=$(APIS)
+	python utils/process.py $(RELMODE) --apis=$(APIS)
 
 $(INSNSSRC) $(FLAGSRC): $(HOOKSRC)
 
diff --git a/test/unittest.py b/test/unittest.py
index 7b04cf463..bd854d31c 100755
--- a/test/unittest.py
+++ b/test/unittest.py
@@ -69,7 +69,7 @@ def __getattr__(self, name):
 
 def compile_file(fname, arch):
     kw = Dict(DEFAULTS)
-    for line in open(fname, 'rb'):
+    for line in open(fname, 'r'):
         if not line.startswith('///'):
             continue
 
@@ -97,7 +97,7 @@ def compile_file(fname, arch):
             continue
 
     # Write extra configuration to the config.yml file.
-    with open(os.path.join(arch, "config.yml"), "a+b") as f:
+    with open(os.path.join(arch, "config.yml"), "a+") as f:
         if kw.FINISH == 'yes' or kw.PIPE == 'yes' or kw.FREE == 'yes':
             f.write("%s:\n" % fname[:-2])
             f.write("  options:\n")
@@ -137,7 +137,7 @@ def compile_file(fname, arch):
         lines += compile_file(fname, 'x86')
         lines += compile_file(fname, 'x64')
 
-    with open(os.path.join(curdir, 'Makefile'), 'wb') as f:
+    with open(os.path.join(curdir, 'Makefile'), 'w') as f:
         f.write('MAKEFLAGS = -j8\n')
         f.write('all: %s\n' % ' '.join(ALL))
         f.write('clean:\n\trm -f %s\n\n' % ' '.join(ALL))
diff --git a/utils/process.py b/utils/process.py
index b49a54f03..41b1166d3 100755
--- a/utils/process.py
+++ b/utils/process.py
@@ -27,6 +27,7 @@
 import os
 import sys
 import yaml
+from yaml import Loader
 
 class DefinitionProcessor(object):
     def __init__(self, data_dir):
@@ -42,14 +43,15 @@ def read_document(self, sig):
         doc = docutils.utils.new_document(os.path.basename(sig),
                                           self.parser_settings())
         parser = docutils.parsers.rst.Parser()
-        parser.parse(open(sig, 'rb').read(), doc)
+        with open(sig, 'r') as fin:
+            parser.parse(fin.read(), doc)
         return parser
 
     def template(self, name):
         return self.templ_env.get_template('%s.jinja2' % name)
 
     def render(self, template, path, **kwargs):
-        with open(path, 'wb') as f:
+        with open(path, 'w') as f:
             f.write(self.template(template).render(**kwargs))
 
 
@@ -77,22 +79,22 @@ def __init__(self, data_dir, out_dir, sig_dirpath, flags, insns):
         self.sig_dirpath = sig_dirpath
 
         self.types = {}
-        for line in open(types_path, 'rb'):
+        for line in open(types_path, 'r'):
             key, value = line.split('=', 1)
             self.types[key.strip()] = value.strip()
 
         self.is_success = {}
-        for line in open(is_success_path, 'rb'):
+        for line in open(is_success_path, 'r'):
             key, value = line.split('=', 1)
             self.is_success[key.strip()] = value.strip()
 
         self.dereference = {}
-        for line in open(dereference_path, 'rb'):
+        for line in open(dereference_path, 'r'):
             key, value = line.split('=', 1)
             self.dereference[key.strip()] = value.strip()
 
         self.base_sigs = []
-        for entry in json.load(open(base_sigs_path, 'rb')):
+        for entry in json.load(open(base_sigs_path, 'r')):
             entry['is_hook'] = False
             entry['signature']['special'] = False
             for param in entry['parameters']:
@@ -295,15 +297,14 @@ def normalize(self, doc):
             children = entry.children
 
             if apiname.startswith('_'):
-                print>>sys.stderr, \
-                    'Skipping ignored API Signature:', apiname[1:]
+                print('Skipping ignored API Signature:', apiname[1:], file=sys.stderr)
                 continue
 
             row = copy.deepcopy(global_values)
 
             row['apiname'] = apiname
 
-            for x in xrange(1, len(children), 2):
+            for x in range(1, len(children), 2):
                 try:
                     key, value = self._parse_paragraph(children[x],
                                                        children[x+1])
@@ -506,11 +507,11 @@ def list_categories(self):
             category = sig['signature']['category']
             if category not in categories:
                 categories[category] = None
-                print category
+                print(category)
 
     def list_apis(self):
         for sig in self.sigs:
-            print sig['signature']['category'], sig['apiname']
+            print(sig['signature']['category'], sig['apiname'])
 
 class FlagsProcessor(object):
     def __init__(self, data_dir, output_directory):
@@ -556,7 +557,7 @@ def normalize(self, doc):
 
             row = dict(name=flagname, value=[], enum=[])
 
-            for x in xrange(1, len(children), 2):
+            for x in range(1, len(children), 2):
                 try:
                     key, value = self._parse_paragraph(children[x],
                                                        children[x+1])
@@ -627,7 +628,7 @@ def parse_logging(self, l):
         if not l:
             return []
 
-        if isinstance(l, basestring):
+        if isinstance(l, str):
             l = [l]
 
         r = []
@@ -666,7 +667,7 @@ def make_signature(self, arguments):
     def process(self):
         methods = []
         for filepath in self.insnfiles:
-            doc = yaml.load(open(filepath, "rb"))
+            doc = yaml.load(open(filepath, "r"), Loader=Loader)
             if not doc:
                 continue
             glob = doc.pop("global", {})
@@ -728,7 +729,8 @@ def write(self, apis):
             "methods": self.methods,
             "modules": self.modules,
         })
-        open(self.outfile, "wb").write(content)
+        with open(self.outfile, "w") as fout:
+            fout.write(content)
 
     def render(self, docname, apis, variables, dirpath="data/"):
         for method in self.methods: