Switch from setup.py to poetry

.gitignore

@@ -6,3 +6,4 @@ dist/
 htmlcov/
 .tox/
 build/
+.venv/

.travis.yml

@@ -1,19 +1,20 @@
 language: python
 python:
-  - "2.7"
   - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"
   - "3.8"
+before_install:
+  - curl -sSL https://raw.githubusercontent.com/sdispater/poetry/master/get-poetry.py | python - -y --preview
+  - source $HOME/.poetry/env
 install:
-  - pip install flake8
-  - pip install coveralls
+  - poetry install
 script:
-  - flake8 .
-  - coverage run --branch --source pyuca test.py
-  - coverage run --append --branch --source pyuca -m doctest pyuca/utils.py
-  - coverage run --append --branch --source pyuca full_test.py
+  - poetry run flake8 .
+  - poetry run coverage run --branch --source pyuca test.py
+  - poetry run coverage run --append --branch --source pyuca -m doctest pyuca/utils.py
+  - poetry run coverage run --append --branch --source pyuca full_test.py
 after_success:
-  - coveralls
+  - poetry run coveralls
 sudo: false

pyproject.toml

@@ -0,0 +1,36 @@
+[tool.poetry]
+name = "pyuca"
+version = "1.2"
+description = "a Python implementation of the Unicode Collation Algorithm"
+license = "MIT"
+readme = "README.md"
+repository = "http://github.com/jtauber/pyuca"
+authors = ["James Tauber <jtauber@jtauber.com>"]
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3.4",
+  "Programming Language :: Python :: 3.5",
+  "Programming Language :: Python :: 3.6",
+  "Programming Language :: Python :: 3.7",
+  "Programming Language :: Python :: 3.8",
+  "Topic :: Text Processing"
+]
+packages = [
+  { include = "pyuca" },
+  { include = "AUTHORS", format = "sdist" },
+  { include = "test.py", format = "sdist" },
+  { include = "full_test.py", format = "sdist" },
+  { include = "CollationTest", format = "sdist" },
+]
+
+[tool.poetry.dependencies]
+python = "^3.4"
+
+[tool.poetry.dev-dependencies]
+flake8 = "^3.7.9"
+coveralls = "^1.9.2"
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"