From efcc75a317b63227a8630ca17e9bcf153a6cc03e Mon Sep 17 00:00:00 2001

From: Leah Leshchinsky <lleshchi@redhat.com>

Date: Mon, 31 Oct 2022 13:11:31 -0400

Subject: [PATCH 3/4] tuna: tuna.py use fstrings

Add fstrings where possible to improve readabilty

Signed-off-by: Leah Leshchinsky <lleshchi@redhat.com>

Signed-off-by: John Kacur <jkacur@redhat.com>

diff --git a/tuna/tuna.py b/tuna/tuna.py

index 43adb84079e4..e527facb151c 100755

--- a/tuna/tuna.py

+++ b/tuna/tuna.py

@@ -58,7 +58,7 @@ def iskthread(pid):

     # in this function, so that they know that the thread vanished and

     # can act accordingly, removing entries from tree views, etc

     try:

-        f = open("/proc/%d/smaps" % pid)

+        f = open(f"/proc/{pid}/smaps")

     except IOError:

         # Thread has vanished

         return True

@@ -88,7 +88,7 @@ def is_irq_thread(cmd):

     return cmd[:4] in ("IRQ-", "irq/")

 def threaded_irq_re(irq):

-    return re.compile("(irq/%s-.+|IRQ-%s)" % (irq, irq))

+    return re.compile(f"(irq/{irq}-.+|IRQ-{irq})")

 # FIXME: Move to python-linux-procfs

 def has_threaded_irqs(ps):

@@ -96,10 +96,10 @@ def has_threaded_irqs(ps):

     return len(ps.find_by_regex(irq_re)) > 0

 def set_irq_affinity_filename(filename, bitmasklist):

-    pathname = "/proc/irq/%s" % filename

+    pathname = f"/proc/irq/{filename}"

     f = open(pathname, "w")

     text = ",".join(["%x" % a for a in bitmasklist])

-    f.write("%s\n" % text)

+    f.write(f"{text}\n")

     try:

         f.close()

     except IOError:

@@ -225,7 +225,7 @@ def move_threads_to_cpu(cpus, pid_list, set_affinity_warning=None, spread=False)

             if pid not in ps:

                 continue

-            threads = procfs.pidstats("/proc/%d/task" % pid)

+            threads = procfs.pidstats(f"/proc/{pid}/task")

             for tid in list(threads.keys()):

                 try:

                     curr_affinity = os.sched_getaffinity(tid)

@@ -320,11 +320,11 @@ def affinity_remove_cpus(affinity, cpus, nr_cpus):

 # Should be moved to python_linux_procfs.interrupts, shared with interrupts.parse_affinity, etc.

 def parse_irq_affinity_filename(filename, nr_cpus):

     try:

-        f = open("/proc/irq/%s" % filename)

+        f = open(f"/proc/irq/{filename}")

     except IOError as err:

         if procfs.is_s390():

             print("This operation is not supported on s390", file=sys.stderr)

-            print("tuna: %s" % err, file=sys.stderr)

+            print(f"tuna: {err}", file=sys.stderr)

             sys.exit(2)

     line = f.readline()

@@ -624,19 +624,19 @@ def run_command(cmd, policy, rtprio, cpu_list, background):

             try:

                 thread_set_priority(pid, policy, rtprio)

             except (SystemError, OSError) as err:

-                print("tuna: %s" % err)

+                print(f"tuna: {err}")

                 sys.exit(2)

         if cpu_list:

             try:

                 os.sched_setaffinity(pid, cpu_list)

             except (SystemError, OSError) as err:

-                print("tuna: %s" % err)

+                print(f"tuna: {err}")

                 sys.exit(2)

         try:

             os.execvp(cmd_list[0], cmd_list)

         except (SystemError, OSError) as err:

-            print("tuna: %s" % err)

+            print(f"tuna: {err}")

             sys.exit(2)

     else:

         if not background:

-- 

2.31.1