From f495b1d0796a83689607eec9616a004312f67e02 Mon Sep 17 00:00:00 2001
From: irl <iain@learmonth.me>
Date: Sun, 15 May 2022 16:56:31 +0000
Subject: [PATCH] Add mypy to GitLab CI

---
 .gitlab-ci.yml         | 10 +++++++++-
 mypy.ini               | 27 +++++++++++++++++++++++++++
 requirements-types.txt |  4 ++++
 3 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 mypy.ini
 create mode 100644 requirements-types.txt

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 98719ba..a44ba6d 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,14 @@
 image: python:3.8-bullseye
 
-test:
+test:mypy:
+  script:
+      - cp config.yaml.example config.yaml
+      - apt update && apt install build-essential
+      - pip install -r requirements.txt --quiet
+      - pip install -r requirements-types.txt --quiet
+      - mypy app
+
+test:docs:
   stage: test
   script:
   - cp config.yaml.example config.yaml
diff --git a/mypy.ini b/mypy.ini
new file mode 100644
index 0000000..10e0f1a
--- /dev/null
+++ b/mypy.ini
@@ -0,0 +1,27 @@
+[mypy]
+; Ensure full coverage
+disallow_untyped_calls = True
+disallow_untyped_defs = True
+disallow_incomplete_defs = True
+disallow_untyped_decorators = True
+check_untyped_defs = True
+
+; Restrict dynamic typing
+disallow_any_generics = True
+disallow_subclassing_any = True
+warn_return_any = True
+
+; Know exactly what you're doing
+warn_redundant_casts = True
+warn_unused_ignores = True
+warn_unused_configs = True
+warn_unreachable = True
+show_error_codes = True
+
+; Explicit is better than implicit
+no_implicit_optional = True
+
+; Some libraries don't have hints yet
+ignore_missing_imports = True
+follow_imports = silent
+
diff --git a/requirements-types.txt b/requirements-types.txt
new file mode 100644
index 0000000..2be97fb
--- /dev/null
+++ b/requirements-types.txt
@@ -0,0 +1,4 @@
+mypy
+types-requests
+types-PyYAML
+types-python-dateutil