bpo-33274: Compliance with DOM L1: return removed attribute

.gitattributes

@@ -0,0 +1,41 @@
+# Binary data types
+*.aif binary
+*.aifc binary
+*.aiff binary
+*.au binary
+*.bmp binary
+*.exe binary
+*.icns binary
+*.gif binary
+*.ico binary
+*.jpg binary
+*.pck binary
+*.png binary
+*.psd binary
+*.tar binary
+*.wav binary
+*.whl binary
+*.zip binary
+
+# Specific binary files
+Lib/test/sndhdrdata/sndhdr.* binary
+
+# Text files that should not be subject to eol conversion
+Lib/test/cjkencodings/* -text
+Lib/test/decimaltestdata/*.decTest -text
+Lib/test/test_email/data/*.txt -text
+Lib/test/xmltestdata/* -text
+Lib/test/coding20731.py -text
+
+# Special files in third party code
+Modules/zlib/zlib.map -text
+
+# CRLF files
+*.bat text eol=crlf
+*.ps1 text eol=crlf
+*.sln text eol=crlf
+*.vcxproj* text eol=crlf
+*.props text eol=crlf
+*.proj text eol=crlf
+PCbuild/readme.txt text eol=crlf
+PC/readme.txt text eol=crlf

.github/appveyor.yml

@@ -0,0 +1,38 @@
+version: 3.6build{build}
+clone_depth: 5
+branches:
+  only:
+    - master
+    - /\d\.\d/
+    - buildbot-custom
+cache:
+  - 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
+        }
+        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
+test_script:
+  - cmd: PCbuild\rt.bat -q -uall -u-cpu -rwW --slowest --timeout=1200 -j0
+environment:
+  HOST_PYTHON: C:\Python36\python.exe
+image:
+  - Visual Studio 2015
+  - Visual Studio 2017

.github/codecov.yml

@@ -0,0 +1,36 @@
+codecov:
+  strict_yaml_branch: master
+  notify:
+    require_ci_to_pass: true
+comment: off
+ignore:
+  - "Doc/**/*"
+  - "Misc/*"
+  - "Mac/**/*"
+  - "PC/**/*"
+  - "PCbuild/**/*"
+  - "Tools/**/*"
+  - "Grammar/*"
+coverage:
+  precision: 2
+  range:
+  - 70.0
+  - 100.0
+  round: down
+  status:
+    changes: off
+    project: off
+    patch:
+      default:
+        target: 100%
+        only_pulls: true
+        threshold: 0.05
+parsers:
+  gcov:
+    branch_detection:
+      conditional: true
+      loop: true
+      macro: false
+      method: false
+  javascript:
+    enable_partials: false

.gitignore

@@ -18,6 +18,10 @@
 .gdb_history
 Doc/build/
 Doc/venv/
+Doc/.venv/
+Doc/env/
+Doc/.env/
+Include/pydtrace_probes.h
 Lib/distutils/command/*.pdb
 Lib/lib2to3/*.pickle
 Lib/test/data/*
@@ -51,10 +55,12 @@ PCbuild/*.suo
 PCbuild/*.*sdf
 PCbuild/*-pgi
 PCbuild/*-pgo
+PCbuild/*.VC.db
+PCbuild/*.VC.opendb
 PCbuild/.vs/
 PCbuild/amd64/
 PCbuild/obj/
-PCBuild/win32/
+PCbuild/win32/
 .purify
 Parser/pgen
 __pycache__
@@ -94,3 +100,4 @@ Tools/ssl/amd64
 Tools/ssl/win32
 .vs/
 .vscode/
+gmon.out