Merge pull request #1 from brooklyn-data/nw/support_python_39

Support Python 3.9 with dbt >= 0.20.0

CHANGELOG.md

@@ -0,0 +1,24 @@
+# dbtenv Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased](https://github.com/brooklyn-data/dbtenv/compare/v1.1.0...HEAD)
+
+### Added
+
+### Changed
+
+## [1.1.0](https://github.com/brooklyn-data/dbtenv/compare/v1.0.0...v1.1.0) - 2021-07-14
+
+### Added
+
+- Support installation of dbt versions >= 0.20.0 in a Python 3.9 environment.
+
+## [1.0.0](https://github.com/brooklyn-data/dbtenv/releases/tag/v1.0.0) - 2021-04-16
+
+### Added
+
+- Initial release

dbtenv/__init__.py

@@ -14,7 +14,7 @@
 from typing import Any, List, Optional
 
 
-__version__ = '1.0.0'
+__version__ = '1.1.0'
 
 VENVS_DIRECTORY = os.path.normpath('~/.dbt/versions')
 

dbtenv/pip.py

@@ -96,9 +96,9 @@ def _check_python_compatibility(self, python: str) -> None:
         python_major_version = int(python_version_match['major_version'])
         python_minor_version = int(python_version_match['minor_version'])
 
-        if (python_major_version, python_minor_version) >= (3, 9):
+        if self.version < Version('0.20') and (python_major_version, python_minor_version) >= (3, 9):
             raise DbtenvError(
-                f"Python {python_version} is being used, but dbt currently isn't compatible with Python 3.9 or above."
+                f"Python {python_version} is being used, but dbt versions before 0.20.0 aren't compatible with Python 3.9 or above."
             )
         elif self.version < Version('0.15') and (python_major_version, python_minor_version) >= (3, 8):
             raise DbtenvError(