Static type analysis

pyproject.toml

@@ -29,7 +29,7 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.6.1"
+python = "^3.7.3"
 Flask = "^1.0"
 numpy = "1.19.2" # Exact version so we can guarantee a wheel
 Pillow = "^7.2.0"
@@ -43,7 +43,10 @@ expiringdict = "^1.2.1"
 camera-stage-mapping = "0.1.4"
 picamerax = ">=20.9.1"
 pyyaml = "^5.3.1"
-labthings = "^1.1.4"
+labthings = {git = "https://github.com/labthings/python-labthings", develop = true}
+typing-extensions = "^3.7.4"  # Needed for some type-hints in Python < 3.8 (e.g. Literal)
+pytest-cov = "^2.10.1"
+piexif = "^1.1.3"
 
 [tool.poetry.extras]
 rpi = ["RPi.GPIO"]
@@ -58,6 +61,9 @@ rope = "^0.14.0"
 pylint = "^2.3"
 black = {version = "^18.3-alpha.0",allow-prereleases = true}
 pytest = "^6.1.2"
+mypy = "^0.790"
+poethepoet = "^0.9.0"
+freezegun = "^1.0.0"
 
 [tool.black]
 exclude = '(\.eggs|\.git|\.venv|node_modules/)'
@@ -73,3 +79,16 @@ line_length = 88
 [tool.pylint.'MESSAGES CONTROL']
 disable = "fixme,C,R"
 max-line-length = 88
+
+[tool.poe.tasks]
+black = "black ."
+black_check = "black --check ."
+isort = "isort ."
+pylint = "pylint openflexure_microscope"
+mypy = "mypy openflexure_microscope"
+test = "pytest ."
+
+format = ["black", "isort"]
+lint = ["pylint", "mypy"]
+
+check = ["format", "lint", "test"]