Port to Python 3, use pipenv, add defaults to get_env_variable

Pipfile

@@ -0,0 +1,13 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+django = "*"
+
+[dev-packages]
+coverage = "*"
+
+[requires]
+python_version = "3.6"

Pipfile.lock

@@ -0,0 +1,74 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "4f2c26123afdb8df49819165b8514b1bc786124c6079304035cf1171d5da9c22"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.6"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "django": {
+            "hashes": [
+                "sha256:1ffab268ada3d5684c05ba7ce776eaeedef360712358d6a6b340ae9f16486916",
+                "sha256:dd46d87af4c1bf54f4c926c3cfa41dc2b5c15782f15e4329752ce65f5dad1c37"
+            ],
+            "index": "pypi",
+            "version": "==2.1.3"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:31cb35c89bd7d333cd32c5f278fca91b523b0834369e757f4c5641ea252236ca",
+                "sha256:8e0f8568c118d3077b46be7d654cc8167fa916092e28320cde048e54bfc9f1e6"
+            ],
+            "version": "==2018.7"
+        }
+    },
+    "develop": {
+        "coverage": {
+            "hashes": [
+                "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
+                "sha256:0a1f9b0eb3aa15c990c328535655847b3420231af299386cfe5efc98f9c250fe",
+                "sha256:0cc941b37b8c2ececfed341444a456912e740ecf515d560de58b9a76562d966d",
+                "sha256:10e8af18d1315de936d67775d3a814cc81d0747a1a0312d84e27ae5610e313b0",
+                "sha256:1b4276550b86caa60606bd3572b52769860a81a70754a54acc8ba789ce74d607",
+                "sha256:1e8a2627c48266c7b813975335cfdea58c706fe36f607c97d9392e61502dc79d",
+                "sha256:2b224052bfd801beb7478b03e8a66f3f25ea56ea488922e98903914ac9ac930b",
+                "sha256:447c450a093766744ab53bf1e7063ec82866f27bcb4f4c907da25ad293bba7e3",
+                "sha256:46101fc20c6f6568561cdd15a54018bb42980954b79aa46da8ae6f008066a30e",
+                "sha256:4710dc676bb4b779c4361b54eb308bc84d64a2fa3d78e5f7228921eccce5d815",
+                "sha256:510986f9a280cd05189b42eee2b69fecdf5bf9651d4cd315ea21d24a964a3c36",
+                "sha256:5535dda5739257effef56e49a1c51c71f1d37a6e5607bb25a5eee507c59580d1",
+                "sha256:5a7524042014642b39b1fcae85fb37556c200e64ec90824ae9ecf7b667ccfc14",
+                "sha256:5f55028169ef85e1fa8e4b8b1b91c0b3b0fa3297c4fb22990d46ff01d22c2d6c",
+                "sha256:6694d5573e7790a0e8d3d177d7a416ca5f5c150742ee703f3c18df76260de794",
+                "sha256:6831e1ac20ac52634da606b658b0b2712d26984999c9d93f0c6e59fe62ca741b",
+                "sha256:77f0d9fa5e10d03aa4528436e33423bfa3718b86c646615f04616294c935f840",
+                "sha256:828ad813c7cdc2e71dcf141912c685bfe4b548c0e6d9540db6418b807c345ddd",
+                "sha256:85a06c61598b14b015d4df233d249cd5abfa61084ef5b9f64a48e997fd829a82",
+                "sha256:8cb4febad0f0b26c6f62e1628f2053954ad2c555d67660f28dfb1b0496711952",
+                "sha256:a5c58664b23b248b16b96253880b2868fb34358911400a7ba39d7f6399935389",
+                "sha256:aaa0f296e503cda4bc07566f592cd7a28779d433f3a23c48082af425d6d5a78f",
+                "sha256:ab235d9fe64833f12d1334d29b558aacedfbca2356dfb9691f2d0d38a8a7bfb4",
+                "sha256:b3b0c8f660fae65eac74fbf003f3103769b90012ae7a460863010539bb7a80da",
+                "sha256:bab8e6d510d2ea0f1d14f12642e3f35cefa47a9b2e4c7cea1852b52bc9c49647",
+                "sha256:c45297bbdbc8bb79b02cf41417d63352b70bcb76f1bbb1ee7d47b3e89e42f95d",
+                "sha256:d19bca47c8a01b92640c614a9147b081a1974f69168ecd494687c827109e8f42",
+                "sha256:d64b4340a0c488a9e79b66ec9f9d77d02b99b772c8b8afd46c1294c1d39ca478",
+                "sha256:da969da069a82bbb5300b59161d8d7c8d423bc4ccd3b410a9b4d8932aeefc14b",
+                "sha256:ed02c7539705696ecb7dc9d476d861f3904a8d2b7e894bd418994920935d36bb",
+                "sha256:ee5b8abc35b549012e03a7b1e86c09491457dba6c94112a2482b18589cc2bdb9"
+            ],
+            "index": "pypi",
+            "version": "==4.5.2"
+        }
+    }
+}

README.rst

@@ -1,5 +1,20 @@
+=========
 gvacommon
 =========
 
 This module contains code that is intended to be shared between gnuviechadmin
 components.
+
+Install dependencies
+====================
+
+.. code-block::
+
+   pipenv install --dev
+
+Run tests
+=========
+
+.. code-block::
+
+   pipenv run coverage run --branch setup.py test

gvacommon/__init__.py

@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2015-2016  Jan Dittberner
+# Copyright (C) 2015-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -15,4 +15,4 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
-__version__ = '0.3.1'
+__version__ = '0.4.0'

gvacommon/settings_utils.py

@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2016  Jan Dittberner
+# Copyright (C) 2016-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -20,7 +20,7 @@ from django.core.exceptions import ImproperlyConfigured
 from os import environ
 
 
-def get_env_variable(var_name):
+def get_env_variable(var_name, type=str, default=None):
     """
     Get a setting from an environment variable.
 
@@ -30,7 +30,9 @@ def get_env_variable(var_name):
     :rtype: str
     """
     try:
-        return environ[var_name]
+        return type(environ[var_name])
     except KeyError:
+        if default is not None:
+            return default
         error_msg = "Set the %s environment variable" % var_name
         raise ImproperlyConfigured(error_msg)

gvacommon/tests/test_celeryrouters.py

@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2014-2016  Jan Dittberner
+# Copyright (C) 2014-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -19,8 +19,6 @@
 Tests for gvacommon celery router code.
 
 """
-from __future__ import absolute_import, unicode_literals
-
 import unittest
 
 from gvacommon.celeryrouters import GvaRouter

gvacommon/tests/test_settings_utils.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2016  Jan Dittberner
+# Copyright (C) 2016-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -38,3 +38,15 @@ class GetEnvVariableTest(TestCase):
             get_env_variable('missingvariable')
         self.assertEqual(
             str(e.exception), 'Set the missingvariable environment variable')
+
+    def test_typed_variable(self):
+        os.environ['testvariable'] = '42'
+        self.assertEqual(get_env_variable('testvariable'), '42')
+        self.assertEqual(get_env_variable('testvariable', int), 42)
+        self.assertIsInstance(get_env_variable('testvariable', int), int)
+
+    def test_get_default_for_missing_variable(self):
+        if 'missingvariable' in os.environ:
+            del os.environ['missingvariable']
+        self.assertEqual(get_env_variable(
+            'missingvariable', default='test'), 'test')

gvacommon/tests/test_viewmixins.py

@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2014-2016  Jan Dittberner
+# Copyright (C) 2014-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -19,23 +19,16 @@
 Tests for gvacommon code.
 
 """
-from __future__ import absolute_import, unicode_literals
-
 import unittest
-
+from unittest.mock import MagicMock
-try:
-    from unittest.Mock import MagicMock
-except ImportError:
-    from mock import MagicMock
 
 import django
+from django.conf import settings
+from django.contrib.auth import get_user_model
 from django.db import connection
 from django.http import HttpResponseForbidden
-from django.conf import settings
 from django.views.generic import View
 
-from django.contrib.auth import get_user_model
-
 if not settings.configured:
     settings.configure(
         DEBUG=True,

requirements.txt

@@ -1,3 +0,0 @@
-# This file is here because many Platforms as a Service look for
-#	requirements.txt in the root directory of a project.
--r requirements/base.txt

requirements/base.txt

@@ -1 +0,0 @@
-Django>=1.9.2,<2

requirements/test.txt

@@ -1,4 +0,0 @@
-# Test dependencies go here.
--r base.txt
-coverage==4.0.3
-mock==1.3.0

setup.py

@@ -1,6 +1,6 @@
 #
 # gvacommon - common parts of gnuviechadmin
-# Copyright (C) 2016  Jan Dittberner
+# Copyright (C) 2016-2018  Jan Dittberner
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by