feat: use bcrypt directly instead of passlib

apparently passlib has not been updated in years, and the combo with
latest bcrypt v5 was causing errors

https://github.com/pyca/bcrypt/issues/1082
https://github.com/pyca/bcrypt/issues/1079
https://foss.heptapod.net/python-libs/passlib/-/issues/196

pyproject.toml

@@ -26,6 +26,7 @@ classifiers = [
 ]
 requires-python = ">= 3.8"
 dependencies = [
+        "bcrypt",
         "humanize",
         'importlib-metadata; python_version < "3.10"',
         "importlib_resources ; python_version < '3.9'",
@@ -39,7 +40,7 @@ dependencies = [
 
 
 [project.optional-dependencies]
-db = ["SQLAlchemy", "alembic", "alembic-postgresql-enum", "passlib"]
+db = ["SQLAlchemy", "alembic", "alembic-postgresql-enum"]
 docs = ["Sphinx", "sphinxcontrib-programoutput", "enum-tools[sphinx]", "furo"]
 tests = ["pylint", "pytest", "pytest-cov", "tox"]
 

src/wuttjamaican/auth.py

@@ -29,18 +29,11 @@ This defines the default :term:`auth handler`.
 import secrets
 import uuid as _uuid
 
+import bcrypt
+
 from wuttjamaican.app import GenericHandler
 
 
-# nb. this only works if passlib is installed (part of 'db' extra)
-try:
-    from passlib.context import CryptContext
-except ImportError:  # pragma: no cover
-    pass
-else:
-    password_context = CryptContext(schemes=["bcrypt"])
-
-
 class AuthHandler(GenericHandler):  # pylint: disable=too-many-public-methods
     """
     Base class and default implementation for the :term:`auth
@@ -143,7 +136,7 @@ class AuthHandler(GenericHandler):  # pylint: disable=too-many-public-methods
 
         :returns: ``True`` if password matches; else ``False``.
         """
-        return password_context.verify(password, user.password)
+        return bcrypt.checkpw(password.encode("utf-8"), user.password.encode("utf-8"))
 
     def get_role(self, session, key):
         """
@@ -419,7 +412,9 @@ class AuthHandler(GenericHandler):  # pylint: disable=too-many-public-methods
 
         :param password: New password in plain text.
         """
-        user.password = password_context.hash(password)
+        user.password = bcrypt.hashpw(
+            password.encode("utf-8"), bcrypt.gensalt()
+        ).decode("utf-8")
 
     def get_role_administrator(self, session):
         """

tests/test_app.py

@@ -415,8 +415,8 @@ app_title = WuttaTest
         self.assertEqual(ver, version("SQLAlchemy"))
 
         # can also specify the dist
-        ver = self.app.get_version(dist="passlib")
-        self.assertEqual(ver, version("passlib"))
+        ver = self.app.get_version(dist="progress")
+        self.assertEqual(ver, version("progress"))
 
     def test_make_title(self):
         text = self.app.make_title("foo_bar")