vpp_papi: specify encoding for .encode()/.decode()

py2 defaults to 'ascii', py3 defaults to 'utf-8'.

Change-Id: Ib76d0ec56f24535e4bafd397cc6fb5e85967d508
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>

3 files changed, 10 insertions, 9 deletions

diff --git a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
index ca3afc4dcef..4fbda2a01af 100755
--- a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
+++ b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py
@@ -230,7 +230,7 @@ class TestAddType(unittest.TestCase):
                          inet_pton(AF_INET, '2.2.2.2'))
 
         string = 'foobar foobar'
-        b = s.pack({'length': len(string), 'string': string.encode()})
+        b = s.pack({'length': len(string), 'string': string.encode('utf-8')})
         nt, size = s.unpack(b)
         self.assertEqual(len(b), size)
 
@@ -239,7 +239,7 @@ class TestAddType(unittest.TestCase):
                             ['u8', 'string', 0, 'length']])
 
         string = ''
-        b = s.pack({'length': len(string), 'string': string.encode()})
+        b = s.pack({'length': len(string), 'string': string.encode('utf-8')})
         nt, size = s.unpack(b)
         self.assertEqual(len(b), size)
 
diff --git a/src/vpp-api/python/vpp_papi/vpp_papi.py b/src/vpp-api/python/vpp_papi/vpp_papi.py
index 2e121386bb5..7e478e7a581 100644
--- a/src/vpp-api/python/vpp_papi/vpp_papi.py
+++ b/src/vpp-api/python/vpp_papi/vpp_papi.py
@@ -427,7 +427,7 @@ class VPP(object):
         self._api = VppApiDynamicMethodHolder()
         for name, msg in vpp_iterator(self.messages):
             n = name + '_' + msg.crc[2:]
-            i = self.transport.get_msg_index(n.encode())
+            i = self.transport.get_msg_index(n.encode('utf-8'))
             if i > 0:
                 self.id_msgdef[i] = msg
                 self.id_names[i] = name
@@ -447,9 +447,10 @@ class VPP(object):
 
     def connect_internal(self, name, msg_handler, chroot_prefix, rx_qlen,
                          do_async):
-        pfx = chroot_prefix.encode() if chroot_prefix else None
+        pfx = chroot_prefix.encode('utf-8') if chroot_prefix else None
 
-        rv = self.transport.connect(name.encode(), pfx, msg_handler, rx_qlen)
+        rv = self.transport.connect(name.encode('utf-8'), pfx,
+                                    msg_handler, rx_qlen)
         if rv != 0:
             raise VPPIOError(2, 'Connect failed')
         self.vpp_dictionary_maxid = self.transport.msg_table_max_index()
@@ -458,7 +459,7 @@ class VPP(object):
         # Initialise control ping
         crc = self.messages['control_ping'].crc
         self.control_ping_index = self.transport.get_msg_index(
-            ('control_ping' + '_' + crc[2:]).encode())
+            ('control_ping' + '_' + crc[2:]).encode('utf-8'))
         self.control_ping_msgdef = self.messages['control_ping']
         if self.async_thread:
             self.event_thread = threading.Thread(
diff --git a/src/vpp-api/python/vpp_papi/vpp_stats.py b/src/vpp-api/python/vpp_papi/vpp_stats.py
index 0afed26215d..59c87dd6a81 100644
--- a/src/vpp-api/python/vpp_papi/vpp_stats.py
+++ b/src/vpp-api/python/vpp_papi/vpp_stats.py
@@ -89,7 +89,7 @@ def make_string_vector(api, strings):
         strings = [strings]
     for s in strings:
         vec = api.stat_segment_string_vector(vec, ffi.new("char []",
-                                                          s.encode()))
+                                                          s.encode('utf-8')))
     return vec
 
 
@@ -184,7 +184,7 @@ class VPPStats(object):
 
         poll_end_time = time.time() + timeout
         while time.time() < poll_end_time:
-            rv = self.api.stat_segment_connect_r(socketname.encode(),
+            rv = self.api.stat_segment_connect_r(socketname.encode('utf-8'),
                                                  self.client)
             if rv == 0:
                 break
@@ -208,7 +208,7 @@ class VPPStats(object):
             raise VPPStatsIOError()
         rv_len = self.api.stat_segment_vec_len(rv)
         for i in range(rv_len):
-            n = ffi.string(rv[i].name).decode()
+            n = ffi.string(rv[i].name).decode('utf-8')
             e = stat_entry_to_python(self.api, rv[i])
             if e is not None:
                 stats[n] = e