From bf44f19c1de86c4cf163955f2510aa1e26767e49 Mon Sep 17 00:00:00 2001
From: Rene Rivera <grafikrobot@gmail.com>
Date: Tue, 9 Jan 2024 08:16:37 -0600
Subject: [PATCH] Avoid py f-strings to support py < 3.6.

---
 test/BoostBuild.py | 10 +++++-----
 test/test_all.py   |  8 ++++----
 test/tree.py       |  2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/test/BoostBuild.py b/test/BoostBuild.py
index 07ae053f20..3942c00567 100644
--- a/test/BoostBuild.py
+++ b/test/BoostBuild.py
@@ -393,7 +393,7 @@ def write(self, file, content, wait=True):
             with open(nfile, "wb") as f:
                 f.write(content)
         except Exception as e:
-            annotation("failure", f"Could not create file '{nfile}': {e}")
+            annotation("failure","Could not create file '{}': {}".format(nfile, e))
             annotate_stack_trace(level=3)
             self.fail_test(1)
         self.__ensure_newer_than_last_build(nfile)
@@ -580,11 +580,11 @@ def do_diff(self, what, actual, expected, matcher, match_filter):
         if match:
             return
         diff = "".join(ndiff(expected_lines, actual_lines))
-        annotation(f"Expected {what}", expected)
-        annotation(f"Actual {what}", actual)
+        annotation("Expected {}".format(what), expected)
+        annotation("Actual {}".format(what), actual)
         if what.lower() == "stdout":
             annotation("STDERR", self.stderr())
-        annotation(f"Difference in {what}{filtered}", diff)
+        annotation("Difference in {}{}".format(what, filtered), diff)
         self.fail_test(True, dump_stdio=False)
 
     def glob_file(self, name):
@@ -1059,7 +1059,7 @@ def __makedirs(self, path, wait):
             else:
                 os.makedirs(path, exist_ok=True)
         except Exception as e:
-            annotation("failure", f"Could not create path '{path}': {e}")
+            annotation("failure", "Could not create path '{}': {}".format(path, e))
             annotate_stack_trace(level=3)
             self.fail_test(1)
 
diff --git a/test/test_all.py b/test/test_all.py
index a5f1d84338..98dd557d5d 100755
--- a/test/test_all.py
+++ b/test/test_all.py
@@ -94,7 +94,7 @@ def handler(sig, frame):
         if not xml:
             s = "%%-%ds :" % max_test_name_len % test
             if isatty:
-                s = f"\r{s}"
+                s = "\r{}".format(s)
             print(s, end='')
 
         passed = 0
@@ -148,15 +148,15 @@ def handler(sig, frame):
 
         if not xml:
             if passed:
-                print(f"PASSED {ts * 1000:>5.0f}ms")
+                print("PASSED {:>5.0f}ms".format(ts*1000))
             else:
-                print(f"FAILED {ts * 1000:>5.0f}ms")
+                print("FAILED {:>5.0f}ms".format(ts*1000))
                 BoostBuild.flush_annotations()
 
             if isatty:
                 msg = ", ".join(futures[future] for future in pending if future.running())
                 if msg:
-                    msg = f"[{len(futures) - len(pending)}/{len(futures)}] {msg}"
+                    msg = "[{}/{}] {}".format(len(futures) - len(pending),len(futures),msg)
                     max_len = max_test_name_len + len(" :PASSED 12345ms")
                     if len(msg) > max_len:
                         msg = msg[:max_len - 3] + "..."
diff --git a/test/tree.py b/test/tree.py
index 73ade95102..87c12d4784 100644
--- a/test/tree.py
+++ b/test/tree.py
@@ -113,7 +113,7 @@ def _pprint_filelist(names):
         s = repr(names)
         if len(s) < 70:
             return s
-        return "".join(f"\n  - {name}" for name in names)
+        return "".join("\n  - {}".format(name) for name in names)
 
     def pprint(self, file=sys.stdout):
         file.write("Added files   : %s\n" % self._pprint_filelist(self.added_files))