Add tox

- Put extras_require to setup.py
- Add mypy

mypy.ini

@@ -0,0 +1,12 @@
+[mypy]
+warn_unused_ignores = True
+ignore_missing_imports = True
+strict_optional = False
+check_untyped_defs = True
+disallow_incomplete_defs = True
+disallow_untyped_defs = True
+disallow_any_generics = True
+disallow_untyped_calls = True
+warn_redundant_casts = True
+warn_unused_configs = True
+strict_equality = True

setup.py

@@ -7,6 +7,26 @@ classifiers = [
 ]
 
 
+# pylint: disable=invalid-name
+extras_require = {
+    "test": [
+        "codecov",
+        "pytest",
+        "pytest-cov",
+        "pytest-asyncio",
+    ],
+    "lint": [
+        "pylint",
+        "mypy",
+    ],
+    "dev": [
+        "tox",
+    ],
+}
+
+extras_require["dev"] = extras_require["test"] + extras_require["lint"] + extras_require["dev"]
+
+
 setuptools.setup(
     name="libp2p",
     description="libp2p implementation written in python",
@@ -26,6 +46,7 @@ setuptools.setup(
         "lru-dict>=1.1.6",
         "aio_timers>=0.0.1,<0.1.0",
     ],
+    extras_require=extras_require,
     packages=setuptools.find_packages(exclude=["tests", "tests.*"]),
     zip_safe=False,
 )

tox.ini

@@ -0,0 +1,21 @@
+# Reference: https://github.com/ethereum/py_ecc/blob/d0da74402210ea1503ef83b3c489d5b5eba7f7bf/tox.ini
+
+[tox]
+envlist =
+    py37-test
+    lint
+
+[testenv]
+deps =
+extras = test
+commands =
+    pytest --cov=./libp2p tests/
+basepython =
+    py37: python3.7
+
+[testenv:lint]
+basepython = python3
+extras = dev
+commands =
+    pylint --rcfile={toxinidir}/.pylintrc libp2p tests
+    mypy -p p2pclient --config-file {toxinidir}/mypy.ini