upgrade to Python 3.8.2

:=

.python-version

@@ -1 +1 @@
-3.7.3
+3.8.2

.travis.yml

@@ -1,11 +1,11 @@
 language: python
-python: 3.7.3
+python: 3.8.2
 
 env:
   global:
     - TRAVIS_NODE_VERSION=10.19.0
 
-dist: xenial
+dist: bionic
 
 addons:
   hosts:

Dockerfile

@@ -45,7 +45,7 @@ RUN gulp dist
 
 # Now we're going to build our actual application, but not the actual production
 # image that it gets deployed into.
-FROM python:3.7.3-slim-stretch as build
+FROM python:3.8.2-slim-buster as build
 
 # Define whether we're building a production or a development image. This will
 # generally be used to control whether or not we install our development and
@@ -121,7 +121,7 @@ RUN set -x \
 
 # Now we're going to build our actual application image, which will eventually
 # pull in the static files that were built above.
-FROM python:3.7.3-slim-stretch
+FROM python:3.8.2-slim-buster
 
 # Setup some basic environment variables that are ~never going to change.
 ENV PYTHONUNBUFFERED 1
@@ -146,7 +146,7 @@ RUN set -x \
 RUN set -x \
     && apt-get update \
     && apt-get install --no-install-recommends -y \
-        libpq5 libxml2 libxslt1.1 libcurl3  \
+        libpq5 libxml2 libxslt1.1 libcurl4  \
         $(if [ "$DEVEL" = "yes" ]; then echo 'bash libjpeg62 postgresql-client'; fi) \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*

Makefile

@@ -53,9 +53,9 @@ default:
 	@exit 1
 
 .state/env/pyvenv.cfg: requirements/dev.txt requirements/docs.txt requirements/lint.txt requirements/ipython.txt
-	# Create our Python 3.7 virtual environment
+	# Create our Python 3.8 virtual environment
 	rm -rf .state/env
-	python3.7 -m venv .state/env
+	python3.8 -m venv .state/env
 
 	# install/upgrade general requirements
 	.state/env/bin/python -m pip install --upgrade pip setuptools wheel

docs/api-reference/legacy.rst

@@ -120,7 +120,7 @@ The API endpoint served at `upload.pypi.org/legacy/
 <https://upload.pypi.org/legacy/>`_ is Warehouse's emulation of the
 legacy PyPI upload API. This is the endpoint that tools such as `twine
 <https://twine.readthedocs.io/>`_ and `distutils
-<https://docs.python.org/3.7/distutils/packageindex.html#the-upload-command>`_
+<https://docs.python.org/3.8/distutils/packageindex.html#the-upload-command>`_
 use to `upload distributions to PyPI
 <https://packaging.python.org/tutorials/distributing-packages/>`_.
 

docs/development/getting-started.rst

@@ -581,12 +581,12 @@ Use :command:`make` to build the documentation. For example:
 The HTML documentation index can now be found at
 :file:`docs/_build/html/index.html`.
 
-Building the docs requires Python 3.7. If it is not installed, the
+Building the docs requires Python 3.8. If it is not installed, the
 :command:`make` command will give the following error message:
 
 .. code-block:: console
 
-  make: python3.7: Command not found
+  make: python3.8: Command not found
   Makefile:53: recipe for target '.state/env/pyvenv.cfg' failed
   make: *** [.state/env/pyvenv.cfg] Error 127
 

requirements/main.txt

@@ -732,36 +732,46 @@ zope.deprecation==4.3.0 \
     --hash=sha256:7d52e134bbaaa0d72e1e2bc90f0587f1adc116c4bdf15912afaf2f1e8856b224 \
     --hash=sha256:c83cfef3085d10dcb07de5a59a2d95713865befa46e0e88784c5648610fba789 \
     # via pyramid, pyramid-jinja2
-zope.interface==4.6.0 \
-    --hash=sha256:086707e0f413ff8800d9c4bc26e174f7ee4c9c8b0302fbad68d083071822316c \
-    --hash=sha256:1157b1ec2a1f5bf45668421e3955c60c610e31913cc695b407a574efdbae1f7b \
-    --hash=sha256:11ebddf765bff3bbe8dbce10c86884d87f90ed66ee410a7e6c392086e2c63d02 \
-    --hash=sha256:14b242d53f6f35c2d07aa2c0e13ccb710392bcd203e1b82a1828d216f6f6b11f \
-    --hash=sha256:1b3d0dcabc7c90b470e59e38a9acaa361be43b3a6ea644c0063951964717f0e5 \
-    --hash=sha256:20a12ab46a7e72b89ce0671e7d7a6c3c1ca2c2766ac98112f78c5bddaa6e4375 \
-    --hash=sha256:298f82c0ab1b182bd1f34f347ea97dde0fffb9ecf850ecf7f8904b8442a07487 \
-    --hash=sha256:2f6175722da6f23dbfc76c26c241b67b020e1e83ec7fe93c9e5d3dd18667ada2 \
-    --hash=sha256:3b877de633a0f6d81b600624ff9137312d8b1d0f517064dfc39999352ab659f0 \
-    --hash=sha256:4265681e77f5ac5bac0905812b828c9fe1ce80c6f3e3f8574acfb5643aeabc5b \
-    --hash=sha256:550695c4e7313555549aa1cdb978dc9413d61307531f123558e438871a883d63 \
-    --hash=sha256:5f4d42baed3a14c290a078e2696c5f565501abde1b2f3f1a1c0a94fbf6fbcc39 \
-    --hash=sha256:62dd71dbed8cc6a18379700701d959307823b3b2451bdc018594c48956ace745 \
-    --hash=sha256:7040547e5b882349c0a2cc9b50674b1745db551f330746af434aad4f09fba2cc \
-    --hash=sha256:7e099fde2cce8b29434684f82977db4e24f0efa8b0508179fce1602d103296a2 \
-    --hash=sha256:7e5c9a5012b2b33e87980cee7d1c82412b2ebabcb5862d53413ba1a2cfde23aa \
-    --hash=sha256:81295629128f929e73be4ccfdd943a0906e5fe3cdb0d43ff1e5144d16fbb52b1 \
-    --hash=sha256:95cc574b0b83b85be9917d37cd2fad0ce5a0d21b024e1a5804d044aabea636fc \
-    --hash=sha256:968d5c5702da15c5bf8e4a6e4b67a4d92164e334e9c0b6acf080106678230b98 \
-    --hash=sha256:9e998ba87df77a85c7bed53240a7257afe51a07ee6bc3445a0bf841886da0b97 \
-    --hash=sha256:a0c39e2535a7e9c195af956610dba5a1073071d2d85e9d2e5d789463f63e52ab \
-    --hash=sha256:a15e75d284178afe529a536b0e8b28b7e107ef39626a7809b4ee64ff3abc9127 \
-    --hash=sha256:a6a6ff82f5f9b9702478035d8f6fb6903885653bff7ec3a1e011edc9b1a7168d \
-    --hash=sha256:b639f72b95389620c1f881d94739c614d385406ab1d6926a9ffe1c8abbea23fe \
-    --hash=sha256:bad44274b151d46619a7567010f7cde23a908c6faa84b97598fd2f474a0c6891 \
-    --hash=sha256:bbcef00d09a30948756c5968863316c949d9cedbc7aabac5e8f0ffbdb632e5f1 \
-    --hash=sha256:d788a3999014ddf416f2dc454efa4a5dbeda657c6aba031cf363741273804c6b \
-    --hash=sha256:eed88ae03e1ef3a75a0e96a55a99d7937ed03e53d0cffc2451c208db445a2966 \
-    --hash=sha256:f99451f3a579e73b5dd58b1b08d1179791d49084371d9a47baad3b22417f0317 \
+zope.interface==4.7.2 \
+    --hash=sha256:34381fcecc6e6f57d72bc2fab6175976eeacdd61dbb34427a37b260238278199 \
+    --hash=sha256:4d0830e1d544b2c303064ec01923de2b9d6f5b5d0d78608a91d758b0f469361c \
+    --hash=sha256:73a618e734803ded8b8d8f14f9a6371c6a1acc445840cf6ae57733041e796671 \
+    --hash=sha256:a82d36ecc28e72904388f72f57f3c04aee7c43a019e302d61944b3886c261be3 \
+    --hash=sha256:b0029f193d91a1e0085e4a99dd71e4c63a3e7826ec4a8d2ea457f02e1b6b0bb4 \
+    --hash=sha256:2690fd5b042062d866017db11ce1e12d4862df28614cc2915dc57e52b46a8594 \
+    --hash=sha256:0616040d5a18786aff5d25ef6e1fa0f875b7ba5b6f1a923c1153be81dd9c65ad \
+    --hash=sha256:6f1e8914eee2e3a0bcf435d963ca5cf3a3df89a47cbd3e2b16343bc875194fed \
+    --hash=sha256:a41a34c55887743ee124e8f696217dec1a7eead1164d27ef27dfae528c396a23 \
+    --hash=sha256:d8a0cb84de725ccd6abd9b5bd32cb94a11db336076fb6d459f1fed23d0719e0c \
+    --hash=sha256:a36e7e1972109504dfa0995a89b6c24a990113eb4cedef93d0eaf1452901b6ac \
+    --hash=sha256:1033e7bb858c398580ca7cbb50f15b715e6031d5772f8a1bde4042c12300a52a \
+    --hash=sha256:ae6c4a1fa696c12c3b654fa0d160f3781271f0edbbb0ae50f285a91f2a272a09 \
+    --hash=sha256:64446f9baa2c51f47b0e272939c583ffd220e67f5bcbc2f18dd244c5a46a7018 \
+    --hash=sha256:a7b50fa86c1bd863ef3b3314da62928c015a732bb0aef220852b9606104f0df5 \
+    --hash=sha256:a9fce290a6ba88e5e6e81dd1e800c045212df69ab69d1de0d303b1af9cec692f \
+    --hash=sha256:f044fec9c7e1b0ec6fdf0d3abc648c2f3b9128933051a9a73af52dbdd9e6d6e9 \
+    --hash=sha256:23c4a70a9abb8faa35e2967e2e7cbd9225512b706b6eb96b01eb1ccbb2b632c3 \
+    --hash=sha256:61b95dbfd03ce2a55c38da711cba7130605dbef4839ca12b53c46827826c5c5b \
+    --hash=sha256:98a21acc7d1e45fcb700831b66ec6c84a3c2a5a94868d72ef83565966adc474f \
+    --hash=sha256:6f2bf246ee9350f428860c37db6158cfb27a7e585d60b2bb3b88864810875835 \
+    --hash=sha256:b12241fac561b635329c3275e911a53e104b43875b99d31332d006d52e180912 \
+    --hash=sha256:7d3c4f10b7a8502a68a8eadcd57e86a35e3948af3edee7bd49a21b225361b0da \
+    --hash=sha256:02339c53bbf7e438dec371af1f401e4843f9dc5765b3b032032b195dd72b47f2 \
+    --hash=sha256:31fdcc9eaf2c379e8b416184a0749ce3f95fdaf206b092b63bdc065aecca6a95 \
+    --hash=sha256:9e67e9fa7dc43210ad766cd6eef133d9d256a530fe07e5585685cdc742170d10 \
+    --hash=sha256:b906dda76ab70b6905ef3014260e7f1c861a0c4841e29826eb34a6187255504b \
+    --hash=sha256:07de051fac6dedc6c659034f80bc46623edc776c757fa26f3f467954b12d2403 \
+    --hash=sha256:36e7438d2f71153cea6b119ddd2648bc010cec4368fd8e7170e50090c0d7ed19 \
+    --hash=sha256:4855384c27fe7e31efbee32f74659421d64e5bfa8b7df2ec08d306d0f3d4cee6 \
+    --hash=sha256:3b6a2ef2c6b4e9786939bd9861e7b98bc01cb3024f87c8cf4b78872f2afcf584 \
+    --hash=sha256:eb92c733be08c6e2b8dfd4613d1b3c2f345ca4f83219d40fda4680333d3a0dc4 \
+    --hash=sha256:07a8bb9110854c0ab9329adbbec7050af242a78a62e226ab49e9c2182090f501 \
+    --hash=sha256:11db683f49652b34aa87904b27d00f9032fa2db7f1f9676c05b13361a3c7547c \
+    --hash=sha256:65cef4766be4be9372621cd17773424302c21785dfaf6e9bd5b64b1f1264f9cc \
+    --hash=sha256:08ae0a88ac29b92faff069e0511ad27197b3274bdf67ebd8c75aaeb05823c7af \
+    --hash=sha256:993051db4278f9ec3b191ae823a7bb32b6a91fed6e960d43500fc4ce64cdb4e0 \
+    --hash=sha256:d79da12a15edd6d7c366766954c4b6de0247e85ba35ee2ad9f37f972e7080f8a \
+    --hash=sha256:fd1101bd3fcb4f4cf3485bb20d6cb0b56909b94d3bd2a53a6cb9d381c3da3365 \
     # via pyramid, pyramid-retry, pyramid-services, repoze.sendmail, transaction, wired, zope.sqlalchemy
 zope.sqlalchemy==1.0 \
     --hash=sha256:9316a1a8bb9e4f9f59332acf1ad2cc8b664f19a4bde5f68be7f61f3e11f80514 \