modernize CI setup

- use GitHub Actions for CI
- use pre-commit (black, flake8, pyupgrade)
- add support for Python 3.9

.pre-commit-config.yaml

@@ -1,5 +1,14 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: stable
+    rev: 20.8b1
     hooks:
       - id: black
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: "3.8.4"
+    hooks:
+      - id: flake8
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.7.4
+    hooks:
+    - id: pyupgrade
+      args: [--py36-plus]

CHANGES.txt

@@ -19,6 +19,8 @@ CHANGES
 
 - Make Python 3.6 the minimal version
 
+- Use GitHub Actions for CI.
+
 0.8 (2016-12-28)
 ================
 

CREDITS.txt

@@ -5,4 +5,6 @@ CREDITS
 
 * Denis Krienbühl (bug reports)
 
+* Jürgen Gmach (CI)
+
 * Special thanks to CONTACT software.

README.rst

@@ -1,3 +1,17 @@
+.. image:: https://github.com/morepath/more.transaction/workflows/CI/badge.svg?branch=master
+   :target: https://github.com/morepath/more.transaction/actions?workflow=CI
+   :alt: CI Status
+
+.. image:: https://coveralls.io/repos/github/morepath/more.transaction/badge.svg?branch=master
+    :target: https://coveralls.io/github/morepath/more.transaction?branch=master
+
+.. image:: https://img.shields.io/pypi/v/more.transaction.svg
+  :target: https://pypi.org/project/more.transaction/
+
+.. image:: https://img.shields.io/pypi/pyversions/more.transaction.svg
+  :target: https://pypi.org/project/more.transaction/
+
+
 more.transaction: SQLAlchemy and ZODB integration for Morepath
 ==============================================================
 
@@ -9,12 +23,3 @@ See https://github.com/morepath/morepath_sqlalchemy for a demo.
 .. _transaction: https://pypi.python.org/pypi/transaction
 
 .. _Morepath: http://morepath.readthedocs.org
-
-Build Status
-------------
-
-.. image:: https://travis-ci.com/morepath/more.transaction.svg?branch=master
-    :target: https://travis-ci.com/morepath/more.transaction
-
-.. image:: https://coveralls.io/repos/morepath/more.transaction/badge.svg?branch=master
-    :target: https://coveralls.io/r/morepath/more.transaction?branch=master

more/transaction/tests/test_default_commit_veto.py

@@ -60,7 +60,7 @@ def test_it_true_x_tm_anythingelse():
     assert callFUT(response)
 
 
-class DummyRequest(object):
+class DummyRequest:
     path_info = "/"
 
     def __init__(self):
@@ -71,7 +71,7 @@ def make_body_seekable(self):
         self.made_seekable += 1
 
 
-class DummyResponse(object):
+class DummyResponse:
     def __init__(self, status="200 OK", headers=None):
         self.status = status
         if headers is None:

more/transaction/tests/test_transaction.py

@@ -13,7 +13,7 @@ class TestApp(TransactionApp):
         attempts = 0
 
     @TestApp.path("/{type}/{id}")
-    class Document(object):
+    class Document:
         def __init__(self, type, id):
             self.type = type
             self.id = id
@@ -43,7 +43,7 @@ class TestApp(TransactionApp):
         attempts = 0
 
     @TestApp.path("/foo/bar")
-    class Foo(object):
+    class Foo:
         pass
 
     @TestApp.view(model=Foo)
@@ -59,7 +59,7 @@ def view_foo(self, request):
     # if the unconsumed path is reset wrongly, it'll accidentally pick
     # up this model instead of Foo
     @TestApp.path("/bar/foo")
-    class Bar(object):
+    class Bar:
         pass
 
     @TestApp.view(model=Bar)
@@ -88,7 +88,7 @@ def mount_testapp():
         return TestApp()
 
     @TestApp.path("/sub")
-    class Foo(object):
+    class Foo:
         pass
 
     @TestApp.view(model=Foo)
@@ -329,18 +329,18 @@ def handler(request):
     assert txn.committed
 
 
-class DummySettingsSectionContainer(object):
+class DummySettingsSectionContainer:
     def __init__(self):
         self.transaction = DummyTransactionSettingSection()
 
 
-class DummyTransactionSettingSection(object):
+class DummyTransactionSettingSection:
     def __init__(self):
         self.attempts = 1
         self.commit_veto = None
 
 
-class DummyApp(object):
+class DummyApp:
     def __init__(self):
         self.settings = DummySettingsSectionContainer()
 
@@ -372,7 +372,7 @@ def get(self):
         return self
 
     def setUser(self, name, path="/"):
-        self.username = "%s:%s" % (path, name)
+        self.username = f"{path}:{name}"
 
     def isDoomed(self):
         return self.doomed
@@ -393,7 +393,7 @@ def note(self, value):
         self._note = value
 
 
-class DummyRequest(object):
+class DummyRequest:
     path = "/"
     identity = morepath.NO_IDENTITY
 
@@ -412,7 +412,7 @@ def path_info(self):
         return self.path
 
 
-class DummyResponse(object):
+class DummyResponse:
     def __init__(self, status="200 OK", headers=None):
         self.status = status
         if headers is None: