Fix deprecated regex format (#2763)

netmiko/juniper/juniper.py

@@ -68,12 +68,12 @@ def enter_cli_mode(self) -> None:
         return
 
     def check_config_mode(
-        self, check_string: str = "]", pattern: str = r"(?m)[>#] $"
+        self, check_string: str = "]", pattern: str = r"(?m:[>#] $)"
     ) -> bool:
         """
         Checks if the device is in configuration mode or not.
 
-        (?m) = Use multiline matching
+        ?m = Use multiline matching
 
         Juniper unfortunately will use # as a message indicator when not in config mode
         For example, with commit confirmed.
@@ -84,13 +84,13 @@ def check_config_mode(
     def config_mode(
         self,
         config_command: str = "configure",
-        pattern: str = r"(?s)Entering configuration mode.*\].*#",
+        pattern: str = r"(?s:Entering configuration mode.*\].*#)",
         re_flags: int = 0,
     ) -> str:
         """
         Enter configuration mode.
 
-        (?s) enables re.DOTALL in regex pattern.
+        ?s = enables re.DOTALL in regex pattern.
         """
         return super().config_mode(
             config_command=config_command, pattern=pattern, re_flags=re_flags

tests/test_juniper_junos/add_delay_juniper_junos.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+# Add delay for cisco3; must be root or sudo to execute
+sudo -s /sbin/tc qdisc del dev eth0 root
+sudo -s /sbin/tc qdisc add dev eth0 root handle 1: prio
+sudo -s /sbin/tc qdisc add dev eth0 parent 1:3 handle 30: tbf rate 20kbit buffer 1600 limit  3000
+sudo -s /sbin/tc qdisc add dev eth0 parent 30:1 handle 31: netem  delay 1000ms 10ms distribution normal loss 10%
+sudo -s /sbin/tc filter add dev eth0 protocol ip parent 1:0 prio 3 u32 match ip dst 52.53.154.237 flowid 1:3
+

tests/test_netmiko_show.py

@@ -332,7 +332,7 @@ def test_clear_buffer(net_connect, commands, expected_responses):
     enter = net_connect.RETURN
     # Manually send a command down the channel so that data needs read.
     net_connect.write_channel(f"{commands['basic']}{enter}")
-    time.sleep(1)
+    time.sleep(4)
     net_connect.clear_buffer()
     time.sleep(2)