Merge branch 'release/4.4.1'

Author: GrahamDumpleton

docs/release-notes/index.rst

@@ -5,6 +5,7 @@ Release Notes
 .. toctree::
    :maxdepth: 2
 
+   version-4.4.1.rst
    version-4.4.0.rst
 
    version-4.3.2.rst

docs/release-notes/version-4.4.0.rst

@@ -269,7 +269,7 @@ for this feature to work.
 specified and at the same time the ``--debug-mode`` option is specified,
 then coverage analysis is enabled. When the server is exited, then the
 profiler data will be output to the ``pstats.dat`` file under the server
-working directory, or the file specified using the ``profiler-output-file``
+working directory, or the file specified using the ``--profiler-output-file``
 option.
 
 12. Added the ``--python-path`` option to ``mod_wsgi-express`` to specify

docs/release-notes/version-4.4.1.rst

@@ -0,0 +1,79 @@
+=============
+Version 4.4.1
+=============
+
+Version 4.4.1 of mod_wsgi can be obtained from:
+
+  https://codeload.github.com/GrahamDumpleton/mod_wsgi/tar.gz/4.4.1
+
+Known Issues
+------------
+
+1. The makefiles for building mod_wsgi on Windows are currently broken and
+need updating. As most new changes relate to mod_wsgi daemon mode, which is
+not supported under Windows, you should keep using the last available
+binary for version 3.X on Windows instead.
+
+Bugs Fixed
+----------
+
+1. Process crashes could occur when request content had been consumed by
+the WSGI application. The trigger was when the Python ``wsgi.input`` was
+still in existence after the web request had finished. The destruction of
+the ``wsgi.input`` object was accessing memory which had already been
+released back to the Apache memory pools and potentially reused. This could
+cause crashes or other unexplained behaviour. This issue was introduced in
+version 4.4.0 of mod_wsgi.
+
+Features Changed
+----------------
+
+1. When an error occurs in writing back a response to the HTTP client,
+during the consumption of the iterable returned by the WSGI application,
+the message will now be logged at debug level rather than error level. Note
+that under Apache 2.2 it isn't possible to suppress the message generated
+by Apache itself from the core_output_filter, so that may still appear.
+
+2. The ``--profiler-output-file`` option for ``mod_wsgi-express`` was
+changed to ``--profiler-directory`` and now refers to a directory, with
+individual pstats files being added to the directory for each session
+rather than reusing the same name all the time.
+
+New Features
+------------
+
+1. Added the ``--server-mpm`` option to ``mod_wsgi-express``. With this
+option, if you are using Apache 2.4 with dynamically loadable MPM modules
+and more than one option for the MPM is available, you can specify your
+preference for which is used. If not specified, then the precedence order
+for MPMs is 'event', 'worker' and finally 'prefork'.
+
+2. Added ``static`` as an option for ``--application-type`` when running
+``mod_wsgi-express``. When set as ``static``, only static files will be
+served. One can still set specific handler types for different extensions
+which may invoke a Python handler script, but there will be no global
+fallback WSGI application for any URLs that do not map to static files. In
+these cases a normal HTTP 404 response will be returned instead.
+
+3. Added ``--host-access-script`` option to ``mod_wsgi-express`` to allow
+a Python script to be provided which can control host access. This uses
+the ``WSGIAccessScript`` directive and the handler script should define an
+``allow_access(environ, host)`` function which returns ``True`` if access is
+allowed or ``False`` if blocked.
+
+4. Added ``--debugger-startup`` option to be used in conjunction with
+the ``--enable-debugger`` option of ``mod_wsgi-express`` when in debug mode.
+The option will cause the debugger to be activated on server start before
+any requests are handled to allow breakpoints to be set.
+
+5. Added a ``socket-user`` option to ``WSGIDaemonProcess`` to allow the
+owner of the UNIX listener socket for the daemon process group to be
+overridden. This can be used when using mod_ruid2 to change the owner of
+the socket from the default Apache user, to the user under which mod_ruid2
+will run Apache when handling requests. This is necessary otherwise the
+Apache child worker process will not be able to connect to the listener
+socket for the mod_wsgi daemon process to proxy the request to the WSGI
+application.
+
+6. Added a ``--enable-recorder`` option for enabling request recording when
+also using debug mode.

setup.py

@@ -175,6 +175,27 @@ def _version():
         match = re.search(pattern, fp.read(), flags=re.MULTILINE)
     return match.group('version')
 
+# Final check to make sure a shared library for Python does actually
+# exist. Warn if one doesn't as we really want a shared library.
+
+SHARED_LIBRARY_WARNING = """
+WARNING: The Python installation you are using does not appear to have
+been installed with a shared library, or in the case of MacOS X, as a
+framework. Where these are not present, the compilation of mod_wsgi may
+fail, or if it does succeed, will result in extra memory being used by
+all processes at run time as a result of the static library needing to
+be loaded in its entirety to every process. It is highly recommended
+that you reinstall the Python installation being used from source code,
+supplying the '--enable-shared' option to the 'configure' script when
+configuring the source code prior to building and installing it.
+"""
+
+if (not get_python_config('Py_ENABLE_SHARED') and
+        not get_python_config('PYTHONFRAMEWORK')):
+    print(SHARED_LIBRARY_WARNING)
+
+# Now finally run distutils.
+
 setup(name = 'mod_wsgi',
     version = _version(),
     description = 'Installer for Apache/mod_wsgi.',