Changed supported Python version to >= 3.6

Author: ryan-blunden

setup.py

@@ -9,7 +9,7 @@
 from codecs import open
 from os import path
 
-from setuptools import setup, find_packages
+from setuptools import setup
 
 here = path.abspath(path.dirname(__file__))
 
@@ -21,8 +21,8 @@ def long_description():
 
 setup(
     name='doppler_env',
-    version='0.2.1',
-    python_requires='>=3.8',
+    version='0.2.2',
+    python_requires='>=3.6',
     description='Inject Doppler secrets as environment variables into your Python application during local development with debugging support for PyCharm and Visual Studio Code.',
     long_description=long_description(),
     long_description_content_type='text/markdown',
@@ -40,6 +40,8 @@ def long_description():
         'Topic :: Software Development :: Build Tools',
         'Topic :: Utilities',
         'License :: OSI Approved :: Apache Software License',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
     ],

src/doppler_env/__init__.py

@@ -7,22 +7,19 @@
 def doppler_secrets_env():
     import io
     import subprocess
-    import logging
     from dotenv import load_dotenv
 
     DOPPLER_ENV_COMMAND = os.environ.get(
         'DOPPLER_ENV_COMMAND', 'doppler secrets download --no-file --format env'
     )
-    process = subprocess.run(DOPPLER_ENV_COMMAND, shell=True, capture_output=True)
-    if process.returncode != 0:
-        logging.error('Doppler secrets fetch failed {process.returncode}')
-        if process.stderr:
-            logging.error(process.stderr)
-        if process.stdout:
-            logging.error(process.stdout)
-    else:
-        config = io.StringIO(process.stdout.decode('utf-8'))
-        load_dotenv(stream=config)
+
+    # If non-zero exit code, catch Python exception so only output is stderr from Doppler CLI
+    try:
+        env_vars = subprocess.check_output(DOPPLER_ENV_COMMAND.split()).decode('utf-8')
+    except subprocess.CalledProcessError as err:
+        exit(err.returncode)
+
+    load_dotenv(stream=io.StringIO(env_vars))
 
 
 if os.environ.get('DOPPLER_ENV') is not None: