misc: Use python f-strings for string formatting

This patch has been generated by applying flynt to the
gem5 repo (ext has been excluded)

JIRA: https://gem5.atlassian.net/browse/GEM5-831

Change-Id: I0935db6223d5426b99515959bde78e374cbadb04
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/68957
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>

util/gem5art/artifact/gem5art/artifact/_artifactdb.py

@@ -209,7 +209,7 @@ class ArtifactMongoDB(ArtifactDB):
         some type and a regex name."""
 
         data = self.artifacts.find(
-            {"type": typ, "name": {"$regex": "{}".format(name)}}, limit=limit
+            {"type": typ, "name": {"$regex": f"{name}"}}, limit=limit
         )
         for d in data:
             yield d

util/gem5art/artifact/gem5art/artifact/artifact.py

@@ -76,9 +76,9 @@ def getGit(path: Path) -> Dict[str, str]:
     ]
     res = subprocess.run(command, stdout=subprocess.PIPE, cwd=path)
     if res.returncode != 0:
-        raise Exception("git repo doesn't exist for {}".format(path))
+        raise Exception(f"git repo doesn't exist for {path}")
     if res.stdout:
-        raise Exception("git repo dirty for {}".format(path))
+        raise Exception(f"git repo dirty for {path}")
 
     command = ["git", "remote", "get-url", "origin"]
     origin = subprocess.check_output(command, cwd=path)
@@ -203,14 +203,14 @@ class Artifact:
             data["git"] = getGit(ppath)
             data["hash"] = data["git"]["hash"]
         else:
-            raise Exception("Path {} doesn't exist".format(ppath))
+            raise Exception(f"Path {ppath} doesn't exist")
 
         pcwd = Path(cwd)
         data["cwd"] = pcwd
         if not pcwd.exists():
-            raise Exception("cwd {} doesn't exist.".format(pcwd))
+            raise Exception(f"cwd {pcwd} doesn't exist.")
         if not pcwd.is_dir():
-            raise Exception("cwd {} is not a directory".format(pcwd))
+            raise Exception(f"cwd {pcwd} is not a directory")
 
         data["inputs"] = [i._id for i in inputs]
 

util/gem5art/run/gem5art/run.py

@@ -316,7 +316,7 @@ class gem5Run:
         try:
             return cls.loadFromDict(d)
         except KeyError:
-            print("Incompatible json file: {}!".format(filename))
+            print(f"Incompatible json file: {filename}!")
             raise
 
     @classmethod
@@ -521,7 +521,7 @@ class gem5Run:
             # Check again in five seconds
             time.sleep(5)
 
-        print("Done running {}".format(" ".join(self.command)))
+        print(f"Done running {' '.join(self.command)}")
 
         # Done executing
         self.running = False
@@ -540,7 +540,7 @@ class gem5Run:
         # Store current gem5 run in the database
         db.put(self._id, self._getSerializable())
 
-        print("Done storing the results of {}".format(" ".join(self.command)))
+        print(f"Done storing the results of {' '.join(self.command)}")
 
     def run(self, task: Any = None, cwd: str = ".") -> None:
         """Actually run the test.

util/gem5art/run/tests/test_run.py

@@ -112,7 +112,7 @@ class TestSERun(unittest.TestCase):
             [
                 "gem5/build/X86/gem5.opt",
                 "-re",
-                "--outdir={}".format(os.path.abspath("results/run_test/out")),
+                f"--outdir={os.path.abspath('results/run_test/out')}",
                 "configs-tests/run_test.py",
                 "extra",
                 "params",