Merge branch 'master' into fix-issue8525

* master: (1159 commits)
  bpo-34087: Fix buffer overflow in int(s) and similar functions (pythonGH-8274)
  bpo-34108: Fix double carriage return in 2to3 on Windows (python#8271)
  bpo-4260: Document that ctypes.xFUNCTYPE are decorators (pythonGH-7924)
  bpo-33723: Fix test_time.test_thread_time() (pythonGH-8267)
  bpo-33967: Remove use of deprecated assertRaisesRegexp() (pythonGH-8261)
  bpo-34080: Fix a memory leak in the compiler. (pythonGH-8222)
  Enable GUI testing on Travis Linux builds via Xvfb (pythonGH-7887)
  bpo-23927: Make getargs.c skipitem() skipping 'w*'. (pythonGH-8192)
  bpo-33648: Remove PY_WARN_ON_C_LOCALE (pythonGH-7114)
  bpo-34092, test_logging: increase SMTPHandlerTest timeout (pythonGH-8245)
  Simplify __all__ in multiprocessing (pythonGH-6856)
  bpo-34083: Update dict order in Functional HOWTO (pythonGH-8230)
  Doc: Point to Simple statements section instead of PEP (pythonGH-8238)
  bpo-29442: Replace optparse with argparse in setup.py (pythonGH-139)
  bpo-33597: Add What's New for PyGC_Head (pythonGH-8236)
  Dataclasses: Fix example on 30.6.8, add method should receive a list rather than an integer. (pythonGH-8038)
  Fix documentation for input and output tutorial (pythonGH-8231)
  bpo-34009: Expand on platform support changes (pythonGH-8022)
  Factor-out two substantially identical code blocks. (pythonGH-8219)
  bpo-34031: fix incorrect usage of self.fail in two tests (pythonGH-8091)
  ...

Author: CuriousLearner

.gitattributes

@@ -26,6 +26,7 @@ Lib/test/decimaltestdata/*.decTest -text
 Lib/test/test_email/data/*.txt -text
 Lib/test/xmltestdata/* -text
 Lib/test/coding20731.py -text
+Lib/test/test_importlib/data01/* -text
 
 # CRLF files
 *.bat text eol=crlf
@@ -36,3 +37,20 @@ Lib/test/coding20731.py -text
 *.proj text eol=crlf
 PCbuild/readme.txt text eol=crlf
 PC/readme.txt text eol=crlf
+
+# Generated files
+# https://github.com/github/linguist#generated-code
+Include/graminit.h          linguist-generated=true
+Python/graminit.h           linguist-generated=true
+Modules/clinic/*.h          linguist-generated=true
+Objects/clinic/*.h          linguist-generated=true
+PC/clinic/*.h               linguist-generated=true
+Python/clinic/*.h           linguist-generated=true
+Python/importlib.h          linguist-generated=true
+Python/importlib_external.h linguist-generated=true
+Include/Python-ast.h        linguist-generated=true
+Python/Python-ast.c         linguist-generated=true
+Include/opcode.h            linguist-generated=true
+Python/opcode_targets.h     linguist-generated=true
+Objects/typeslots.inc       linguist-generated=true
+Modules/unicodedata_db.h    linguist-generated=true

.github/CODEOWNERS

@@ -8,14 +8,21 @@
 **/*asyncio*                  @1st1 @asvetlov
 
 # Core
+**/*context*                  @1st1
 **/*genobject*                @1st1
+**/*hamt*                     @1st1
 
 # Hashing
 **/*hashlib*                  @python/crypto-team
 **/*pyhash*                   @python/crypto-team
 
-# Import (including importlib)
-**/*import*                   @python/import-team
+# Import (including importlib).
+# Ignoring importlib.h so as to not get flagged on
+# all pull requests that change the the emitted
+# bytecode.
+**/*import*.c                 @python/import-team
+**/*import*.py                @python/import-team
+
 
 # SSL
 **/*ssl*                      @python/crypto-team

.github/CONTRIBUTING.rst

@@ -8,6 +8,10 @@ Build Status
 
   + `Stable buildbots <http://buildbot.python.org/3.x.stable/>`_
 
+- 3.7
+
+  + `Stable buildbots <http://buildbot.python.org/3.7.stable/>`_
+
 - 3.6
 
   + `Stable buildbots <http://buildbot.python.org/3.6.stable/>`_

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,10 +1,30 @@
-!!! If this is a backport PR (PR made against branches other than `master`),
+<!--
+Thanks for your contribution!
+Please read this comment in its entirety. It's quite important.
+
+# Pull Request title
+
+It should be in the following format:
+
+```
+bpo-NNNN: Summary of the changes made
+```
+
+Where: bpo-NNNN refers to the issue number in the https://bugs.python.org.
+
+Most PRs will require an issue number. Trivial changes, like fixing a typo, do not need an issue.
+
+# Backport Pull Request title
+
+If this is a backport PR (PR made against branches other than `master`),
 please ensure that the PR title is in the following format:
+
 ```
 [X.Y] <title from the original PR> (GH-NNNN)
 ```
+
 Where: [X.Y] is the branch name, e.g. [3.6].
 
 GH-NNNN refers to the PR number from `master`.
 
-PLEASE: Remove this headline!!!
+-->

.github/appveyor.yml

@@ -1,35 +1,38 @@
-version: 3.7.0a0.{build}
+version: 3.8build{build}
 clone_depth: 5
 branches:
   only:
     - master
     - /\d\.\d/
     - buildbot-custom
 cache:
-  - externals -> PCbuild\*
+  - externals -> PCbuild
+before_build:
+  - ps: |+
+      if ($env:APPVEYOR_RE_BUILD) {
+        echo 'Doing full build due to re-build request.'
+      } elseif (!$env:APPVEYOR_PULL_REQUEST_HEAD_COMMIT) {
+        echo 'Not a PR, doing full build.'
+      } else {
+        git fetch -q origin +refs/heads/$env:APPVEYOR_REPO_BRANCH
+        $mergebase = git merge-base HEAD FETCH_HEAD
+        $changes = git diff --name-only HEAD $mergebase | grep -vE '(\.rst$)|(^Doc)|(^Misc)'
+        If (!$changes) {
+          echo 'Only docs were updated, stopping build process.'
+          Exit-AppveyorBuild
+        } else {
+          echo 'Doing full build due to non-doc changes in these files:'
+          echo $changes
+        }
+      }
+
+
 build_script:
-- cmd: PCbuild\build.bat -e
-- cmd: PCbuild\win32\python.exe -m test.pythoninfo
+  - cmd: PCbuild\build.bat -e
+  - cmd: PCbuild\win32\python.exe -m test.pythoninfo
 test_script:
-- cmd: PCbuild\rt.bat -q -uall -u-cpu -rwW --slowest --timeout=1200 --fail-env-changed -j0
+  - cmd: PCbuild\rt.bat -q -uall -u-cpu -u-largefile -rwW --slowest --timeout=1200 --fail-env-changed -j0
 environment:
   HOST_PYTHON: C:\Python36\python.exe
 image:
-- Visual Studio 2017
-
-# Only trigger AppVeyor if actual code or its configuration changes
-only_commits:
-  files:
-    - .github/appveyor.yml
-    - .gitattributes
-    - Grammar/
-    - Include/
-    - Lib/
-    - Modules/
-    - Objects/
-    - PC/
-    - PCbuild/
-    - Parser/
-    - Programs/
-    - Python/
-    - Tools/
+  - Visual Studio 2017

.gitignore

@@ -113,3 +113,5 @@ Tools/ssl/amd64
 Tools/ssl/win32
 .vs/
 .vscode/
+gmon.out
+.mypy_cache/