Revised the documentation in the "flask_digest_auth.auth" module.

docs/source/flask_digest_auth.rst

@@ -1,24 +1,37 @@
 flask\_digest\_auth package
 ===========================
 
-The ``DigestAuth`` Class
-------------------------
-.. autoclass:: flask_digest_auth.DigestAuth
-    :members:
-    :undoc-members:
-    :show-inheritance:
+Submodules
+----------
 
-The ``make_password_hash`` Function
------------------------------------
-.. autofunction:: flask_digest_auth.make_password_hash
+flask\_digest\_auth.algo module
+-------------------------------
 
-The ``calc_response`` Function
-------------------------------
-.. autofunction:: flask_digest_auth.calc_response
+.. automodule:: flask_digest_auth.algo
+   :members:
+   :undoc-members:
+   :show-inheritance:
 
-The ``Client`` Test Class
--------------------------
-.. autoclass:: flask_digest_auth.Client
-    :members:
-    :undoc-members:
-    :show-inheritance:
+flask\_digest\_auth.auth module
+-------------------------------
+
+.. automodule:: flask_digest_auth.auth
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+flask\_digest\_auth.test module
+-------------------------------
+
+.. automodule:: flask_digest_auth.test
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+Module contents
+---------------
+
+.. automodule:: flask_digest_auth
+   :members:
+   :undoc-members:
+   :show-inheritance:

docs/source/index.rst

@@ -26,6 +26,7 @@ Indices and tables
 ==================
 
 * :ref:`genindex`
+* :ref:`modindex`
 * :ref:`search`
 
 .. _HTTP Digest Authentication: https://en.wikipedia.org/wiki/Digest_access_authentication

docs/source/intro.rst

@@ -63,7 +63,7 @@ The username is part of the hash.  If the user changes their username,
 you need to ask their password, to generate and store the new password
 hash.
 
-See :meth:`flask_digest_auth.make_password_hash`.
+See :func:`flask_digest_auth.algo.make_password_hash`.
 
 
 Flask-Digest-Auth Alone
@@ -118,7 +118,7 @@ logging the log in event, adding the log in counter, etc.
     def on_login(user: User) -> None:
         user.visits = user.visits + 1
 
-See :meth:`flask_digest_auth.DigestAuth.register_on_login`.
+See :meth:`flask_digest_auth.auth.DigestAuth.register_on_login`.
 
 
 Log Out
@@ -127,7 +127,7 @@ Log Out
 Flask-Digest-Auth supports log out.  The user will be prompted for the
 new username and password.
 
-See :meth:`flask_digest_auth.DigestAuth.logout`.
+See :meth:`flask_digest_auth.auth.DigestAuth.logout`.
 
 
 Test Client
@@ -136,7 +136,7 @@ Test Client
 Flask-Digest-Auth comes with a test client that supports HTTP digest
 authentication.
 
-See :class:`flask_digest_auth.Client`.
+See :class:`flask_digest_auth.test.Client`.
 
 Also see :ref:`example-unittest` and :ref:`example-pytest`.
 

docs/source/modules.rst

@@ -0,0 +1,7 @@
+src
+===
+
+.. toctree::
+   :maxdepth: 4
+
+   flask_digest_auth

src/flask_digest_auth/auth.py

@@ -16,8 +16,9 @@
 #  limitations under the License.
 
 """The HTTP Digest Authentication.
-See RFC 2617 HTTP Authentication: Basic and Digest Access Authentication
+See `RFC 2617`_ HTTP Authentication: Basic and Digest Access Authentication
 
+.. _RFC 2617: https://www.rfc-editor.org/rfc/rfc2617
 """
 from __future__ import annotations
 
@@ -417,21 +418,30 @@ class DigestAuth:
 
 
 class AuthState:
-    """The authorization state."""
+    """The authentication state.  It keeps the status in the earlier
+    authentication stage, so that the latter response stage knows how to
+    response.
+    """
 
     def __init__(self):
         """Constructs the authorization state."""
         self.opaque: t.Optional[str] = None
+        """The opaque value specified by the client, if valid."""
         self.stale: t.Optional[bool] = None
+        """The stale value, if there is a previous log in attempt."""
 
 
 class UnauthorizedException(Exception):
-    """The exception thrown when the authentication is failed."""
-    pass
+    """The exception thrown when the authentication fails."""
 
 
 class BasePasswordHashGetter:
-    """The base password hash getter."""
+    """The base callback that given the username, returns the password hash,
+    or None if the user does not exist.  The default is to raise an
+    :class:`UnboundLocalError` if the callback is not registered yet.
+
+    See :meth:`flask_digest_auth.auth.DigestAuth.register_get_password`
+    """
 
     @staticmethod
     def __call__(username: str) -> t.Optional[str]:
@@ -447,7 +457,12 @@ class BasePasswordHashGetter:
 
 
 class BaseUserGetter:
-    """The base user getter."""
+    """The base callback that given the username, returns the user, or None if
+    the user does not exist.  The default is to raise an
+    :class:`UnboundLocalError` if the callback is not registered yet.
+
+    See :meth:`flask_digest_auth.auth.DigestAuth.register_get_user`
+    """
 
     @staticmethod
     def __call__(username: str) -> t.Optional[t.Any]:
@@ -463,7 +478,11 @@ class BaseUserGetter:
 
 
 class BaseOnLogInCallback:
-    """The base callback when the user logs in."""
+    """The base callback to run when the user logs in, given the logged-in
+    user.  The default does nothing.
+
+    See :meth:`flask_digest_auth.auth.DigestAuth.register_on_login`
+    """
 
     @staticmethod
     def __call__(user: t.Any) -> None: