Merge pull request #874 from Backblaze/prepare_v3.9.0

Prepare release v3.9.0

CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [3.9.0] - 2023-04-28
+
 ### Added
 * Support for custom file upload timestamp
 
@@ -419,7 +421,8 @@ This version is pinned strictly to `b2-sdk-python==1.16.0` for the same reason.
 * Fix an off-by-one issue when downloading a range of a file (affects library, but not CLI).
 * Better handling of some errors from the B2 service.
 
-[Unreleased]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.8.0...HEAD
+[Unreleased]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.9.0...HEAD
+[3.9.0]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.8.0...v3.9.0
 [3.8.0]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.7.1...v3.8.0
 [3.7.1]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.7.0...v3.7.1
 [3.7.0]: https://github.com/Backblaze/B2_Command_Line_Tool/compare/v3.6.0...v3.7.0

test/integration/helpers.py

@@ -340,19 +340,20 @@ class EnvVarTestContext:
 
     def __init__(self, account_info_file_name: str):
         self.account_info_file_name = account_info_file_name
+        self.suffix = ''.join(RNG.choice('abcdefghijklmnopqrstuvwxyz0123456789') for _ in range(7))
 
     def __enter__(self):
         src = self.account_info_file_name
         dst = path.join(gettempdir(), 'b2_account_info')
         shutil.copyfile(src, dst)
-        shutil.move(src, src + '.bkup')
+        shutil.move(src, src + self.suffix)
         environ[self.ENV_VAR] = dst
         return dst
 
     def __exit__(self, exc_type, exc_val, exc_tb):
         os.remove(environ.get(self.ENV_VAR))
         fname = self.account_info_file_name
-        shutil.move(fname + '.bkup', fname)
+        shutil.move(fname + self.suffix, fname)
         if environ.get(self.ENV_VAR) is not None:
             del environ[self.ENV_VAR]