Add github-release.py script

Summary:
This script can be used for uploading relases sources and binaries
to github.

Reviewers: hans

Reviewed By: hans

Subscribers: llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D64841

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366977 91177308-0d34-0410-b5e6-96231b3b80d8

Author: tstellar

utils/release/github-upload-release.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+# ===-- github-release.py  -------------------------------------------------===#
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+#===------------------------------------------------------------------------===#
+#
+# Create and manage releases in the llvm github project.
+# 
+# This script requires python3 and the PyGithub module.
+#
+# Example Usage:
+#
+# You will need to obtain a personal access token for your github account in
+# order to use this script.  Instructions for doing this can be found here:
+# https://help.github.com/en/articles/creating-a-personal-access-token-for-the-command-line
+#
+# Create a new release from an existing tag:
+# ./github-release.py --token $github_token --release 8.0.1-rc4 create
+#
+# Upload files for a release
+# ./github-release.py --token $github_token --release 8.0.1-rc4 upload --files llvm-8.0.1rc4.src.tar.xz
+#
+# You can upload as many files as you want at a time and use wildcards e.g.
+# ./github-release.py --token $github_token --release 8.0.1-rc4 upload --files *.src.*
+#===------------------------------------------------------------------------===#
+
+
+import argparse
+import github
+
+def create_release(repo, release, tag = None, name = None, message = None):
+    if not tag:
+        tag = 'llvmorg-{}'.format(release)
+
+    if not name:
+        name = 'LLVM {}'.format(release)
+
+    if not message:
+        message = 'LLVM {} Release'.format(release)
+
+    prerelease = True if "rc" in release else False
+
+    repo.create_git_release(tag = tag, name = name, message = message,
+                            prerelease = prerelease)
+
+def upload_files(repo, release, files):
+    release = repo.get_release('llvmorg-{}'.format(release))
+    for f in files:
+        print('Uploading {}'.format(f))
+        release.upload_asset(f)
+        print("Done")
+    
+
+
+parser = argparse.ArgumentParser()
+parser.add_argument('command', type=str, choices=['create', 'upload'])
+
+# All args
+parser.add_argument('--token', type=str)
+parser.add_argument('--release', type=str)
+
+# Upload args
+parser.add_argument('--files', nargs='+', type=str)
+
+
+args = parser.parse_args()
+
+github = github.Github(args.token)
+llvm_repo = github.get_organization('llvm').get_repo('llvm-project')
+
+if args.command == 'create':
+    create_release(llvm_repo, args.release)
+if args.command == 'upload':
+    upload_files(llvm_repo, args.release, args.files)