Upgrade for TensorFlow 2.7.0 (#395)

* Upgrade for TensorFlow 2.7.0

* Rebase and fix ops packages

* Remove obsolete patch

* Fix graph custom gradient support with TensorFlow 2.7.0

Also fix execution order plugins for javacpp-parser

* Remove broken version of python3.exe from MSYS2 on GitHub Actions

Co-authored-by: Karl Lessard <karl.lessard@gmail.com>

Author: saudet

.github/workflows/ci.yml

@@ -203,7 +203,7 @@ jobs:
         run: |
           set "PATH=C:\msys64\usr\bin;%PATH%"
           echo Removing broken stuff from WSL and MSYS2
-          rm "C:/WINDOWS/system32/bash.EXE" "C:/msys64/usr/bin/python.exe"
+          rm "C:/WINDOWS/system32/bash.EXE" "C:/msys64/usr/bin/python.exe" "C:/msys64/usr/bin/python3.exe"
           python -m pip install numpy six
           echo Removing old versions of MSVC that interfere with Bazel
           bash.exe -lc "find 'C:/Program Files (x86)/Microsoft Visual Studio/2019/Enterprise/VC/' -iname '14.1*' -exec rm -Rf {} \;"

tensorflow-core/tensorflow-core-api/WORKSPACE

@@ -12,17 +12,16 @@ http_archive(
 #        ":tensorflow-macosx.patch",
 #        ":tensorflow-windows.patch", # https://github.com/tensorflow/tensorflow/issues/25213
         ":tensorflow-proto.patch",
-        ":custom-grad-helpers.patch",
         ":custom-grad-symbols.patch",
     ],
     patch_tool = "patch",
     patch_args = ["-p1"],
     patch_cmds = ["grep -rl 'java_package' tensorflow/core | xargs sed -i.bak 's/^\(.* java_package = \"org\.tensorflow\.\)\(.*\"\)/\\1proto.\\2'/"],
     urls = [
-       "https://github.com/tensorflow/tensorflow/archive/refs/tags/v2.6.0.tar.gz",
+       "https://github.com/tensorflow/tensorflow/archive/refs/tags/v2.7.0.tar.gz",
     ],
-    sha256 = "41b32eeaddcbc02b0583660bcf508469550e4cd0f86b22d2abe72dfebeacde0f",
-    strip_prefix = "tensorflow-2.6.0"
+    sha256 = "bb124905c7fdacd81e7c842b287c169bbf377d29c74c9dacc04f96c9793747bb",
+    strip_prefix = "tensorflow-2.7.0"
 )
 
 # START: Upstream TensorFlow dependencies