Merge pull request #52 from jacebrowning/drop-python-2

Drop support for Python 2

.appveyor.yml

@@ -2,10 +2,6 @@ environment:
   global:
     RANDOM_SEED: 0
   matrix:
-    - PYTHON_MAJOR: 2
-      PYTHON_MINOR: 7
-    - PYTHON_MAJOR: 3
-      PYTHON_MINOR: 4
     - PYTHON_MAJOR: 3
       PYTHON_MINOR: 5
     - PYTHON_MAJOR: 3
@@ -14,7 +10,7 @@ environment:
       PYTHON_MINOR: 7
 
 cache:
-  - .venv -> Makefile
+  - .venv -> poetry.lock
 
 install:
   # Add Make and Python to the PATH
@@ -23,7 +19,9 @@ install:
   - set PATH=C:\Python%PYTHON_MAJOR%%PYTHON_MINOR%;%PATH%
   - set PATH=C:\Python%PYTHON_MAJOR%%PYTHON_MINOR%\Scripts;%PATH%
   # Install system dependencies
-  - pip install poetry
+  - set POETRY_PREVIEW=true
+  - curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python
+  - set PATH=%USERPROFILE%\.poetry\bin;%PATH%
   - make doctor
   # Install project dependencies
   - make install

.coveragerc

@@ -2,6 +2,15 @@
 
 branch = true
 
+data_file = .cache/coverage
+
 omit =
     .venv/*
     */tests/*
+    */__main__.py
+
+[report]
+
+exclude_lines =
+    pragma: no cover
+    raise NotImplementedError

.gitignore

@@ -3,6 +3,7 @@
 *.egg-info
 __pycache__
 .ipynb_checkpoints
+setup.py
 
 # Temporary OS files
 Icon*

.isort.cfg

@@ -2,12 +2,15 @@
 
 not_skip = __init__.py
 
-multi_line_output = 5
+multi_line_output = 3
 
+known_standard_library = dataclasses,typing_extensions
 known_third_party = click,log
 known_first_party = demo
 
 combine_as_imports = true
+force_grid_wrap = false
 include_trailing_comma = true
 
 lines_after_imports = 2
+line_length = 88

.mypy.ini

@@ -0,0 +1,7 @@
+[mypy]
+
+ignore_missing_imports = true
+no_implicit_optional = true
+check_untyped_defs = true
+
+cache_dir = .cache/mypy/

.pylint.ini

@@ -124,6 +124,9 @@ disable=
     too-many-arguments,
     too-many-branches,
     unpacking-non-sequence,
+    wildcard-import,
+    unused-wildcard-import,
+    singleton-comparison,
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option
@@ -143,7 +146,7 @@ evaluation=10.0 - ((float(5 * error + warning + refactor + convention) / stateme
 
 # Template used to display messages. This is a python new-style format string
 # used to format the message information. See doc for all details
-msg-template={path}:{line}:{column}: {msg_id}: {msg} ({symbol})
+#msg-template=
 
 # Set the output format. Available formats are text, parseable, colorized, json
 # and msvs (visual studio).You can also give a reporter class, eg
@@ -267,7 +270,7 @@ indent-after-paren=4
 indent-string='    '
 
 # Maximum number of characters on a single line.
-max-line-length=79
+max-line-length=88
 
 # Maximum number of lines in a module
 max-module-lines=1000

.scrutinizer.yml

@@ -3,7 +3,6 @@ build:
     override:
       - pylint-run --rcfile=.pylint.ini
       - py-scrutinizer-run
-
 checks:
   python:
     code_rating: true

.travis.yml

@@ -1,14 +1,10 @@
+dist: xenial
+
 language: python
 python:
-  - 2.7
-  - 3.4
   - 3.5
   - 3.6
-matrix:
-  include:
-    - python: 3.7
-      dist: xenial
-      sudo: true
+  - 3.7
 
 cache:
   pip: true
@@ -20,7 +16,10 @@ env:
     - RANDOM_SEED=0
 
 before_install:
-  - pip install poetry
+  - curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | POETRY_PREVIEW=true python
+  - source $HOME/.poetry/env
+  - mkdir -p $HOME/.config/pypoetry
+  - touch $HOME/.config/pypoetry/config.toml
   - make doctor
 
 install:

.verchew.ini

@@ -6,17 +6,17 @@ version = GNU Make
 [Python]
 
 cli = python
-version = Python 2.7.
+version = 3.5 || 3.6 || 3.7
 
 [Poetry]
 
 cli = poetry
-version = 0.12.
+version = 1.0
 
 [Graphviz]
 
 cli = dot
 cli_version_arg = -V
-version = 2.
+version = 2
 optional = true
 message = This is only needed to generate UML diagrams for documentation.

CONTRIBUTING.md

@@ -1,79 +1,76 @@
-# For Contributors
+# Setup
 
-## Setup
-
-### Requirements
+## Requirements
 
 * Make:
-    * Windows: http://mingw.org/download/installer
-    * Mac: http://developer.apple.com/xcode
-    * Linux: http://www.gnu.org/software/make
-* Poetry: https://poetry.eustace.io
-* Graphviz: http://www.graphviz.org/Download.php
+    * macOS: `$ xcode-select --install`
+    * Linux: [https://www.gnu.org/software/make](https://www.gnu.org/software/make)
+    * Windows: [https://mingw.org/download/installer](https://mingw.org/download/installer)
+* Python: `$ pyenv install`
+* Poetry: [https://poetry.eustace.io/docs/#installation](https://poetry.eustace.io/docs/#installation)
+* Graphviz:
+    * macOS: `$ brew install graphviz`
+    * Linux: [https://graphviz.org/download](https://graphviz.org/download/)
+    * Windows: [https://graphviz.org/download](https://graphviz.org/download/)
 
 To confirm these system dependencies are configured correctly:
 
-```sh
+```text
 $ make doctor
 ```
 
-### Installation
+## Installation
 
 Install project dependencies into a virtual environment:
 
-```sh
+```text
 $ make install
 ```
 
-## Development Tasks
+# Development Tasks
 
-### Testing
+## Manual
 
-Manually run the tests:
+Run the tests:
 
-```sh
+```text
 $ make test
 ```
 
-or keep them running on change:
+Run static analysis:
 
-```sh
-$ make watch
+```text
+$ make check
 ```
 
-> In order to have OS X notifications, `brew install terminal-notifier`.
-
-### Documentation
-
 Build the documentation:
 
-```sh
+```text
 $ make docs
 ```
 
-### Static Analysis
+## Automatic
 
-Run linters and static analyzers:
+Keep all of the above tasks running on change:
 
-```sh
-$ make pylint
-$ make pycodestyle
-$ make pydocstyle
-$ make check  # includes all checks
+```text
+$ make watch
 ```
 
-## Continuous Integration
+> In order to have OS X notifications, `brew install terminal-notifier`.
+
+# Continuous Integration
 
 The CI server will report overall build status:
 
-```sh
+```text
 $ make ci
 ```
 
-## Release Tasks
+# Release Tasks
 
 Release to PyPI:
 
-```sh
+```text
 $ make upload
 ```