examples: Cleanup imports

Break import into multiple lines as recommended by PEP-8

Move imports to top

Remove unused imports

Signed-off-by: Philipp Hahn <hahn@univention.de>

examples/consolecallback.py

@@ -1,7 +1,12 @@
 #!/usr/bin/env python3
 # consolecallback - provide a persistent console that survives guest reboots
 
-import sys, os, logging, libvirt, tty, termios, atexit
+import os
+import logging
+import libvirt
+import tty
+import termios
+import atexit
 from argparse import ArgumentParser
 from typing import Optional  # noqa F401
 

examples/dominfo.py

@@ -5,9 +5,7 @@ Print information about the domain DOMAIN
 
 import libvirt
 import sys
-import os
 import libxml2
-import pdb
 from argparse import ArgumentParser
 from typing import Any
 
@@ -69,7 +67,7 @@ print_section("Devices")
 devs = ctx.xpathEval("/domain/devices/*")
 for d in devs:
     ctx.setContextNode(d)
-    #pdb.set_trace()
+    # import pdb; pdb.set_trace()
     type = print_xml("Type:", ctx, "@type")
     if type == "file":
         print_xml("Source:", ctx, "source/@file")

examples/domrestore.py

@@ -7,8 +7,6 @@ It is assumed that all files in DIR are images of domU's previously created with
 import libvirt
 import sys
 import os
-import libxml2
-import pdb
 from argparse import ArgumentParser
 
 

examples/domsave.py

@@ -7,8 +7,6 @@ DIR must exist and be writable by this process.
 import libvirt
 import sys
 import os
-import libxml2
-import pdb
 from argparse import ArgumentParser
 
 
@@ -35,4 +33,4 @@ for id in doms:
     else:
         print("error %d" % ret)
 
-#pdb.set_trace()
+# import pdb; pdb.set_trace()

examples/domstart.py

@@ -6,9 +6,7 @@ If the domain is not running, create it.
 
 import libvirt
 import sys
-import os
 import libxml2
-import pdb
 from argparse import ArgumentParser
 from typing import Tuple
 

examples/esxlist.py

@@ -6,7 +6,6 @@ List active domains of an ESX host and print some info.
 
 import libvirt
 import sys
-import os
 import libxml2
 import getpass
 from argparse import ArgumentParser

examples/guest-vcpus/guest-vcpu-daemon.py

@@ -9,8 +9,6 @@ import libvirt
 import threading
 from xml.dom import minidom
 import time
-import sys
-import os
 from argparse import ArgumentParser
 
 uri = "qemu:///system"

examples/sparsestream.py

@@ -8,7 +8,8 @@ VOLUME into local FILE while preserving FILE/VOLUME sparseness
 # Authors:
 #   Michal Privoznik <mprivozn@redhat.com>
 
-import libvirt, sys, os
+import libvirt
+import os
 from argparse import ArgumentParser
 
 def bytesWriteHandler(stream: libvirt.virStream, buf: bytes, opaque: int) -> int: