Drop Python 2 installation support.

Dockerfile-debian-python2-sqlite

@@ -1,80 +0,0 @@
-# A Dockerfile for MediaGoblin hacking.
-#
-# See Dockerfile-debian-python3-sqlite for documentation.
-
-FROM debian:buster
-
-RUN apt-get update && apt-get install -y \
-automake \
-git \
-nodejs \
-npm \
-python-dev \
-python-lxml \
-python-pil \
-virtualenv
-
-# RUN apt-get install -y \
-# python-alembic \
-# python-celery \
-# python-jsonschema \
-# python-kombu \
-# python-lxml \
-# python-migrate  \
-# python-mock \
-# python-py \
-# python-pytest \
-# python-pytest-xdist \
-# python-six \
-# python-snowballstemmer \
-# python-sphinx \
-# python-sphinxcontrib.websupport \
-# python-webtest
-
-# RUN apt-get install -y \
-# gstreamer1.0-libav \
-# gstreamer1.0-plugins-bad \
-# gstreamer1.0-plugins-base \
-# gstreamer1.0-plugins-good \
-# gstreamer1.0-plugins-ugly \
-# python-gst-1.0
-
-# RUN apt-get install -y \
-# gir1.2-gst-plugins-base-1.0 \
-# gir1.2-gstreamer-1.0 \
-# gstreamer1.0-tools \
-# python-gi
-
-RUN mkdir /opt/mediagoblin
-RUN chown -R www-data:www-data /opt/mediagoblin
-WORKDIR /opt/mediagoblin
-
-RUN mkdir --mode=g+w /var/www
-RUN chown root:www-data /var/www
-
-RUN groupadd --system mediagoblin --gid 1024 && adduser www-data mediagoblin
-
-USER www-data
-
-RUN echo "1"
-
-RUN git clone --depth=1 git://git.savannah.gnu.org/mediagoblin.git --branch master .
-# RUN git clone --depth=1 https://gitlab.com/BenSturmfels/mediagoblin.git --branch master .
-
-RUN ./bootstrap.sh
-RUN VIRTUALENV_FLAGS='--system-site-packages' ./configure --without-python3
-
-RUN make
-
-RUN ./bin/python -m pytest ./mediagoblin/tests --boxed
-
-# RUN echo '[[mediagoblin.media_types.audio]]' >> mediagoblin.ini
-# RUN echo '[[mediagoblin.media_types.video]]' >> mediagoblin.ini
-
-RUN ./bin/gmg dbupdate
-RUN ./bin/gmg adduser --username admin --password a --email admin@example.com
-RUN ./bin/gmg makeadmin admin
-
-EXPOSE 6543/tcp
-
-CMD ["./lazyserver.sh", "--server-name=broadcast"]

Makefile.in

@@ -45,7 +45,6 @@ datarootdir = @datarootdir@
 pkgdatadir = $(datadir)/@PACKAGE_NAME@
 pkgincludedir = $(includedir)/@PACKAGE_NAME@
 PYTHONPATH = $(pythondir)$(PATH_SEPARATOR)$(DESTDIR)$(pythondir)
-USE_PYTHON3 = @USE_PYTHON3@
 
 EXTLIB_INSTALLS = extlib/jquery extlib/video.js extlib/leaflet extlib/tinymce
 

configure.ac

@@ -79,26 +79,10 @@ dnl
 dnl In this section, we check for the presence of important commands
 dnl and programs.
 
-dnl--A bit simpler python init----------------------------------------
+AC_CHECK_PROGS([PYTHON], [python3], [none])
-dnl Expect python2.7 or python2.6 unless --with-python3 is given.
+AS_IF([test "x$PYTHON" = xnone],
-dnl----
+	    [AC_MSG_FAILURE(
-
+		[--with-python3 given but no acceptable python3 could be found])])
-
-AC_ARG_WITH([python3],
-	[AS_HELP_STRING([--with-python3], [Set up to use Python 3 by default.])],
-	[],
-	[with_python3=yes])
-AS_IF([test "x$with_python3" != xno],
-        AC_CHECK_PROGS([PYTHON], [python3], [none])
-        AC_SUBST([USE_PYTHON3], [true])
-	AS_IF([test "x$PYTHON" = xnone],
-              [AC_MSG_FAILURE(
-		[--with-python3 given but no acceptable python3 could be found])]),
-      AC_CHECK_PROGS([PYTHON], [python2.7], [none])
-      AC_SUBST([USE_PYTHON3], [false])
-      AS_IF([test "x$PYTHON" = xnone],
-              [AC_MSG_FAILURE(
-		[No acceptable python (2.7) could be found])]))
 
 dnl----
 dnl With the following set of macros, we implement an option 

docs/source/siteadmin/deploying.rst

@@ -56,7 +56,7 @@ Dependencies
 
 MediaGoblin has the following core dependencies:
 
-- Python 3.4+ (Python 2.7 is supported, but not recommended)
+- Python 3.4+
 - `python3-lxml <http://lxml.de/>`_
 - `git <http://git-scm.com/>`_
 - `SQLite <http://www.sqlite.org/>`_/`PostgreSQL <http://www.postgresql.org/>`_
@@ -82,13 +82,6 @@ Issue the following commands:
     sudo dnf install automake gcc git-core make nodejs npm python3-devel \
     python3-lxml python3-pillow virtualenv
 
-.. note::
-
-   MediaGoblin now uses Python 3 by default. To use Python 2, you may
-   instead substitute from "python3" to "python" for most package
-   names in the Debian instructions and this should cover dependency
-   installation. Python 2 installation has not been tested on Fedora.
-
 For a production deployment, you'll also need Nginx as frontend web
 server and RabbitMQ to store the media processing queue::
 
@@ -265,11 +258,6 @@ Set up the environment::
     $ VIRTUALENV_FLAGS='--system-site-packages' ./configure
     $ make
 
-.. note::
-
-   If you'd prefer to run MediaGoblin with Python 2, pass in
-   ``--without-python3`` to the ``./configure`` command.
-
 Create and set the proper permissions on the ``user_dev`` directory.
 This directory will be used to store uploaded media files::
 

docs/source/siteadmin/relnotes.rst

@@ -29,10 +29,12 @@ carefully, or at least skim over it.
 
 **Improvements:**
 
+ - Drop Python 2 installation support (Ben Sturmfels)
 
 **Bug fixes:**
 
 - Make LDAP plugin Python 3 compatible [#5607] (Olivier Mehani)
+- Pin a compatible version of WTForms (milquetoast)
 
 
 0.10.0

docs/source/siteadmin/upgrading.rst

@@ -58,20 +58,6 @@ Upgrade (upgrading to Python 3)
 6. Restart MediaGoblin
 
 
-Upgrade (remaining on Python 2 - not recommended)
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-1. Update to the latest release.  In your ``mediagoblin`` directory, run:
-   ``git fetch && git checkout -q stable && git submodule update``
-2. Remove your existing installation:
-   ``rm -rf bin include lib lib64 node_modules``
-3. Install MediaGoblin:
-   ``./bootstrap.sh && ./configure --without-python3 && make``
-4. Update the database:
-   ``./bin/gmg dbupdate``
-5. Restart MediaGoblin
-
-
 Updating your system Python
 ---------------------------
 

mediagoblin/__init__.py

@@ -14,16 +14,4 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import warnings
-
-import six
-
 from mediagoblin._version import __version__
-
-
-if six.PY2:
-    warnings.warn(
-        "MediaGoblin's Python 2 support will be removed in the next"
-        " release. Please consider switching to Python 3.",
-        DeprecationWarning,
-    )

setup.py

@@ -23,8 +23,6 @@ import re
 
 import sys
 
-PY2 = sys.version_info[0] == 2  # six is not installed yet
-
 READMEFILE = "README"
 VERSIONFILE = os.path.join("mediagoblin", "_version.py")
 VSRE = r"^__version__ = ['\"]([^'\"]*)['\"]"
@@ -40,86 +38,6 @@ def get_version():
         raise RuntimeError("Unable to find version string in %s." %
                            VERSIONFILE)
 
-pyversion_install_requires = []
-if PY2:
-    pyversion_install_requires.append('alabaster<=0.7.999') # Tested with 0.7.12
-    pyversion_install_requires.append('alembic<=1.4.999') # Tested with 1.4.2
-    pyversion_install_requires.append('amqp<=2.5.999') # Tested with 2.5.2
-    pyversion_install_requires.append('apipkg<=1.999') # Tested with 1.5
-    pyversion_install_requires.append('atomicwrites<=1.4.999') # Tested with 1.4.0
-    pyversion_install_requires.append('attrs<=19.3.999') # Tested with 19.3.0
-    pyversion_install_requires.append('Babel<=2.8.999') # Tested with 2.8.0
-    pyversion_install_requires.append('beautifulsoup4<=4.7.999') # Tested with 4.7.1
-    pyversion_install_requires.append('billiard<=3.5.0.999') # Tested with 3.5.0.5
-    pyversion_install_requires.append('celery<=4.2.999') # Tested with 4.2.2
-    pyversion_install_requires.append('certifi<=2020.4.5.999') # Tested with 2020.4.5.1
-    pyversion_install_requires.append('chardet<=3.0.999') # Tested with 3.0.4
-    pyversion_install_requires.append('configobj<=5.0.999') # Tested with 5.0.6
-    pyversion_install_requires.append('configparser<=5.0.999') # Tested with 5.0.0
-    pyversion_install_requires.append('contextlib2<=0.6.999') # Tested with 0.6.0.post1
-    pyversion_install_requires.append('decorator<=4.4.999') # Tested with 4.4.2
-    pyversion_install_requires.append('dnspython<=1.16.999') # Tested with 1.16.0
-    pyversion_install_requires.append('docutils<=0.999') # Tested with 0.16
-    pyversion_install_requires.append('email-validator<=1.0.999') # Tested with 1.0.5
-    pyversion_install_requires.append('execnet<=1.7.999') # Tested with 1.7.1
-    pyversion_install_requires.append('ExifRead<=2.1.999') # Tested with 2.1.2
-    pyversion_install_requires.append('funcsigs<=1.0.999') # Tested with 1.0.2
-    pyversion_install_requires.append('functools32<=3.2.999') # Tested with 3.2.3.post2
-    pyversion_install_requires.append('idna<=2.999') # Tested with 2.9
-    pyversion_install_requires.append('imagesize<=1.2.999') # Tested with 1.2.0
-    pyversion_install_requires.append('importlib-metadata<=1.6.999') # Tested with 1.6.0
-    pyversion_install_requires.append('itsdangerous<=1.1.999') # Tested with 1.1.0
-    pyversion_install_requires.append('Jinja2<=2.11.999') # Tested with 2.11.2
-    pyversion_install_requires.append('jsonschema<=3.2.999') # Tested with 3.2.0
-    pyversion_install_requires.append('kombu<=4.3.999') # Tested with 4.3.0
-    pyversion_install_requires.append('Mako<=1.1.999') # Tested with 1.1.2
-    pyversion_install_requires.append('Markdown<=3.1.999') # Tested with 3.1.1
-    pyversion_install_requires.append('MarkupSafe<=1.1.999') # Tested with 1.1.1
-    pyversion_install_requires.append('mock<=1.0.999') # Tested with 1.0.1
-    pyversion_install_requires.append('more-itertools<=5.0.999') # Tested with 5.0.0
-    pyversion_install_requires.append('oauthlib<=3.1.999') # Tested with 3.1.0
-    pyversion_install_requires.append('packaging<=20.999') # Tested with 20.3
-    pyversion_install_requires.append('Paste<=3.4.999') # Tested with 3.4.0
-    pyversion_install_requires.append('PasteDeploy<=2.1.999') # Tested with 2.1.0
-    pyversion_install_requires.append('PasteScript<=3.2.999') # Tested with 3.2.0
-    pyversion_install_requires.append('pathlib2<=2.3.999') # Tested with 2.3.5
-    pyversion_install_requires.append('pbr<=5.4.999') # Tested with 5.4.5
-    pyversion_install_requires.append('pkg-resources<=0.0.999') # Tested with 0.0.0
-    pyversion_install_requires.append('pluggy<=0.13.999') # Tested with 0.13.1
-    pyversion_install_requires.append('py<=1.8.999') # Tested with 1.8.1
-    pyversion_install_requires.append('py-bcrypt<=0.999') # Tested with 0.4
-    pyversion_install_requires.append('Pygments<=2.5.999') # Tested with 2.5.2
-    pyversion_install_requires.append('PyLD<=1.0.999') # Tested with 1.0.5
-    pyversion_install_requires.append('pyparsing<=2.4.999') # Tested with 2.4.7
-    pyversion_install_requires.append('pyrsistent<=0.16.999') # Tested with 0.16.0
-    pyversion_install_requires.append('pytest<=4.6.999') # Tested with 4.6.9
-    pyversion_install_requires.append('pytest-forked<=1.1.999') # Tested with 1.1.3
-    pyversion_install_requires.append('pytest-xdist<=1.31.999') # Tested with 1.31.0
-    pyversion_install_requires.append('python-dateutil<=2.8.999') # Tested with 2.8.1
-    pyversion_install_requires.append('python-editor<=1.0.999') # Tested with 1.0.4
-    pyversion_install_requires.append('pytz<=2020.999') # Tested with 2020.1
-    pyversion_install_requires.append('requests<=2.23.999') # Tested with 2.23.0
-    pyversion_install_requires.append('scandir<=1.10.999') # Tested with 1.10.0
-    pyversion_install_requires.append('six<=1.12.999') # Tested with 1.12.0
-    pyversion_install_requires.append('snowballstemmer<=2.0.999') # Tested with 2.0.0
-    pyversion_install_requires.append('Sphinx<=1.8.999') # Tested with 1.8.5
-    pyversion_install_requires.append('sphinxcontrib-websupport<=1.2.999') # Tested with 1.2.2
-    pyversion_install_requires.append('SQLAlchemy<=1.3.999') # Tested with 1.3.16
-    pyversion_install_requires.append('sqlalchemy-migrate<=0.13.999') # Tested with 0.13.0
-    pyversion_install_requires.append('sqlparse<=0.3.999') # Tested with 0.3.1
-    pyversion_install_requires.append('Tempita<=0.5.999') # Tested with 0.5.3.dev0
-    pyversion_install_requires.append('typing<=3.7.4.999') # Tested with 3.7.4.1
-    pyversion_install_requires.append('Unidecode<=1.1.999') # Tested with 1.1.1
-    pyversion_install_requires.append('urllib3<=1.25.999') # Tested with 1.25.9
-    pyversion_install_requires.append('vine<=1.3.999') # Tested with 1.3.0
-    pyversion_install_requires.append('waitress<=1.4.999') # Tested with 1.4.3
-    pyversion_install_requires.append('wcwidth<=0.1.999') # Tested with 0.1.9
-    pyversion_install_requires.append('WebOb<=1.8.999') # Tested with 1.8.6
-    pyversion_install_requires.append('WebTest<=2.0.999') # Tested with 2.0.35
-    pyversion_install_requires.append('Werkzeug<=0.16.999') # Tested with 0.16.1
-    pyversion_install_requires.append('WTForms<=2.3.999') # Tested with 2.3.1
-    pyversion_install_requires.append('zipp<=1.2.999') # Tested with 1.2.0
-
 install_requires = [
     'waitress',
     'alembic>=0.7.5',
@@ -151,7 +69,7 @@ install_requires = [
     'PasteScript',
     'requests>=2.6.0',
     'certifi>=2017.4.17', # Reported to be a requirement on Fedora 31 (TODO: test)
-    'PyLD<2.0.0', # Python 2, but also breaks a Python 3 test if >= 2.0.0.
+    'PyLD<2.0.0', # Breaks a Python 3 test if >= 2.0.0.
     'ExifRead>=2.0.0',
     'email-validator', # Seems that WTForms must have dropped this.
     # This is optional:
@@ -160,11 +78,7 @@ install_requires = [
     # their package managers.
     # 'lxml',
     # 'Pillow',
-] + pyversion_install_requires
+]
-
-if not PY2:
-    # PyPI version (1.4.2) does not have proper Python 3 support
-    install_requires.append('ExifRead>=2.0.0')
 
 with open(READMEFILE, encoding="utf-8") as fobj:
     long_description = fobj.read()