Adopt src code layout (#96)

* adopt src layout
* mark package as typed
* cleanup metadata

Author: ssbarnea

.pre-commit-config.yaml

@@ -50,7 +50,7 @@ repos:
       - id: mypy
         # empty args needed in order to match mypy cli behavior
         args: []
-        entry: mypy pytest_molecule/
+        entry: mypy src/
         pass_filenames: false
         additional_dependencies:
           - molecule

setup.cfg

@@ -1,9 +1,6 @@
 [aliases]
 dists = clean --all sdist bdist_wheel
 
-[bdist_wheel]
-universal = 1
-
 [metadata]
 name = pytest-molecule
 url = https://github.com/ansible-community/pytest-molecule
@@ -53,6 +50,8 @@ keywords =
 [options]
 use_scm_version = True
 python_requires = >=3.6
+package_dir =
+  = src
 packages = find:
 include_package_data = True
 zip_safe = False
@@ -89,4 +88,7 @@ pytest11 =
     molecule = pytest_molecule
 
 [options.packages.find]
-where = .
+where = src
+
+[options.package_data]
+pytest_molecule = py.typed

pytest_molecule/__init__.py renamed to src/pytest_molecule/__init__.py

@@ -12,8 +12,6 @@ isolated_build = True
 [testenv]
 description =
     Unit testing
-install_command =
-    python -c 'import subprocess, sys; pip_inst_cmd = sys.executable, "-m", "pip", "install"; subprocess.check_call(pip_inst_cmd + ("pip<19.1", )); subprocess.check_call(pip_inst_cmd + tuple(sys.argv[1:]))' {opts} {packages}
 usedevelop = True
 commands =
     ansible-inventory --graph
@@ -87,6 +85,7 @@ description =
 deps =
     build >= 0.5.0
     twine >= 3.4.1
+usedevelop = False
 commands =
   # build wheel and sdist using PEP-517
   {envpython} -c 'import os.path, shutil, sys; \