tests: Decode Popen() output values for python3

Explicit conversion to str is needed here for python3 compatibility.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>

tests/hwsim/test_ap_eap.py

@@ -4224,7 +4224,7 @@ def ica_ocsp(cert, md="-sha256"):
             "-cert", cert, "-no_nonce", "-text" ]
     cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE)
-    res = cmd.stdout.read() + "\n" + cmd.stderr.read()
+    res = cmd.stdout.read().decode() + "\n" + cmd.stderr.read().decode()
     cmd.stdout.close()
     cmd.stderr.close()
     cmd.wait()
@@ -4241,7 +4241,7 @@ def ica_ocsp(cert, md="-sha256"):
             "-text" ]
     cmd = subprocess.Popen(arg, stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE)
-    res = cmd.stdout.read() + "\n" + cmd.stderr.read()
+    res = cmd.stdout.read().decode() + "\n" + cmd.stderr.read().decode()
     cmd.stdout.close()
     cmd.stderr.close()
     cmd.wait()
@@ -6028,7 +6028,7 @@ def test_ap_wpa2_eap_sim_db(dev, apdev, params):
             cmd = subprocess.Popen(['../../hostapd/hlr_auc_gw',
                                     '-m', fname, data],
                                    stdout=subprocess.PIPE)
-            res = cmd.stdout.read().strip()
+            res = cmd.stdout.read().decode().strip()
             cmd.stdout.close()
             logger.debug("hlr_auc_gw response: " + res)
             socket.sendto(res, self.client_address)
@@ -6465,7 +6465,7 @@ def test_ap_wpa2_eap_psk_mac_addr_change(dev, apdev):
     hapd = hostapd.add_ap(apdev[0], params)
 
     cmd = subprocess.Popen(['ps', '-eo', 'pid,command'], stdout=subprocess.PIPE)
-    res = cmd.stdout.read()
+    res = cmd.stdout.read().decode()
     cmd.stdout.close()
     pid = 0
     for p in res.splitlines():

tests/hwsim/test_ap_hs20.py

@@ -4564,7 +4564,7 @@ def send_arp(dev, dst_ll="ff:ff:ff:ff:ff:ff", src_ll=None, opcode=1,
 
 def get_permanent_neighbors(ifname):
     cmd = subprocess.Popen(['ip', 'nei'], stdout=subprocess.PIPE)
-    res = cmd.stdout.read()
+    res = cmd.stdout.read().decode()
     cmd.stdout.close()
     return [ line for line in res.splitlines() if "PERMANENT" in line and ifname in line ]
 
@@ -4678,13 +4678,13 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
     time.sleep(0.1)
 
     brcmd = subprocess.Popen(['brctl', 'show'], stdout=subprocess.PIPE)
-    res = brcmd.stdout.read()
+    res = brcmd.stdout.read().decode()
     brcmd.stdout.close()
     logger.info("Bridge setup: " + res)
 
     brcmd = subprocess.Popen(['brctl', 'showstp', 'ap-br0'],
                              stdout=subprocess.PIPE)
-    res = brcmd.stdout.read()
+    res = brcmd.stdout.read().decode()
     brcmd.stdout.close()
     logger.info("Bridge showstp: " + res)
 
@@ -4873,7 +4873,7 @@ def _test_proxyarp_open(dev, apdev, params, ebtables=False):
     if ebtables:
         cmd = subprocess.Popen(['ebtables', '-L', '--Lc'],
                                stdout=subprocess.PIPE)
-        res = cmd.stdout.read()
+        res = cmd.stdout.read().decode()
         cmd.stdout.close()
         logger.info("ebtables results:\n" + res)
 
@@ -5024,13 +5024,13 @@ def _test_proxyarp_open_ipv6(dev, apdev, params, ebtables=False):
     time.sleep(0.1)
 
     brcmd = subprocess.Popen(['brctl', 'show'], stdout=subprocess.PIPE)
-    res = brcmd.stdout.read()
+    res = brcmd.stdout.read().decode()
     brcmd.stdout.close()
     logger.info("Bridge setup: " + res)
 
     brcmd = subprocess.Popen(['brctl', 'showstp', 'ap-br0'],
                              stdout=subprocess.PIPE)
-    res = brcmd.stdout.read()
+    res = brcmd.stdout.read().decode()
     brcmd.stdout.close()
     logger.info("Bridge showstp: " + res)
 
@@ -5130,7 +5130,7 @@ def _test_proxyarp_open_ipv6(dev, apdev, params, ebtables=False):
     if ebtables:
         cmd = subprocess.Popen(['ebtables', '-L', '--Lc'],
                                stdout=subprocess.PIPE)
-        res = cmd.stdout.read()
+        res = cmd.stdout.read().decode()
         cmd.stdout.close()
         logger.info("ebtables results:\n" + res)
 

tests/hwsim/test_ap_wps.py

@@ -3905,7 +3905,7 @@ def test_ap_wps_wpa_cli_action(dev, apdev, test_params):
 
     arg = [ 'ps', 'ax' ]
     cmd = subprocess.Popen(arg, stdout=subprocess.PIPE)
-    out = cmd.communicate()[0]
+    out = cmd.communicate()[0].decode()
     cmd.wait()
     logger.debug("Processes:\n" + out)
     if "wpa_cli -P %s -B -i %s" % (pidfile, dev[0].ifname) not in out:
@@ -3931,7 +3931,7 @@ def test_ap_wps_wpa_cli_action(dev, apdev, test_params):
 
     arg = [ 'ps', 'ax' ]
     cmd = subprocess.Popen(arg, stdout=subprocess.PIPE)
-    out = cmd.communicate()[0]
+    out = cmd.communicate()[0].decode()
     cmd.wait()
     logger.debug("Remaining processes:\n" + out)
     if "wpa_cli -P %s -B -i %s" % (pidfile, dev[0].ifname) in out:

tests/hwsim/test_dbus.py

@@ -5280,8 +5280,8 @@ def run_busctl(service, obj):
     cmd.wait()
     logger.info("busctl stdout:\n%s" % out[0].strip())
     if len(out[1]) > 0:
-        logger.info("busctl stderr: %s" % out[1].strip())
+        logger.info("busctl stderr: %s" % out[1].decode().strip())
-    if "Duplicate property" in out[1]:
+    if "Duplicate property" in out[1].decode():
         raise Exception("Duplicate property")
 
 def test_dbus_introspect_busctl(dev, apdev):

tests/hwsim/test_wpas_ctrl.py

@@ -1617,7 +1617,7 @@ def test_wpas_ctrl_wait(dev, apdev, test_params):
         prg = '../../wpa_supplicant/wpa_supplicant'
     arg = [ prg ]
     cmd = subprocess.Popen(arg, stdout=subprocess.PIPE)
-    out = cmd.communicate()[0]
+    out = cmd.communicate()[0].decode()
     cmd.wait()
     tracing = "Linux tracing" in out
 

tests/hwsim/test_wpas_mesh.py

@@ -272,7 +272,7 @@ def _test_mesh_open_rssi_threshold(dev, apdev, value, expected):
 
     cmd = subprocess.Popen([ "iw", "dev", dev[0].ifname, "get", "mesh_param",
                              "mesh_rssi_threshold" ], stdout=subprocess.PIPE)
-    mesh_rssi_threshold = int(cmd.stdout.read().split(" ")[0])
+    mesh_rssi_threshold = int(cmd.stdout.read().decode().split(" ")[0])
 
     dev[0].mesh_group_remove()
     check_mesh_group_removed(dev[0])
@@ -1181,6 +1181,7 @@ def _test_mesh_open_vht_160(dev, apdev):
         reg = cmd.stdout.read()
         found = False
         for entry in reg.splitlines():
+            entry = entry.decode()
             if "@ 160)" in entry and "DFS" not in entry:
                 found = True
                 break