Add build package + deploy to Travis

.travis.yml

@@ -66,3 +66,15 @@ script:
   - python ./azure_nosetests.py
 after_success:
   - bash <(curl -s https://codecov.io/bash)
+before_deploy:
+  - python ./before_deploy.py
+deploy:
+  provider: pypi
+  user: Laurent.Mazuel
+  password: $PYPIPASSWORD
+  server: https://test.pypi.org/legacy/
+  distributions: check # Hack, packages will be created by "before deploy" script
+  on:
+    tags: true
+    branch: testdeploy
+    python: '3.6' # Universal wheel, don't need to deploy with Py2.7

before_deploy.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+#-------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+#--------------------------------------------------------------------------
+
+import os
+import sys
+import re
+from pathlib import Path
+from build_package import create_package
+
+travis_tag = os.environ.get('TRAVIS_TAG')
+if not travis_tag:
+    print("TRAVIS_TAG environment variable is not present")
+    sys.exit()
+
+matching = re.match(r"^(?P<name>azure[a-z\-]*) (?P<version>[.0-9]+[rc0-9]*)$", travis_tag)
+if not matching:
+    print("TRAVIS_TAG is not '<package_name> <version>'")
+    sys.exit()
+
+name, version = matching.groups()
+create_package(name, '../dist')
+
+print("Produced:\n{}".format(list(Path('./dist').glob('*'))))
+
+pattern = "*{}*".format(version)
+packages = list(Path('./dist').glob(pattern))
+if not packages:
+    sys.exit("Package version does not match tag {}, abort".format(version))
+else:
+    print("Package created as expected")

build_package.py

@@ -13,9 +13,9 @@
 DEFAULT_DEST_FOLDER = "./dist"
 
 def create_package(name, dest_folder=DEFAULT_DEST_FOLDER):
-    os.chdir(name) # Will raise if not exists
-    check_call(['python', 'setup.py', 'bdist_wheel', '-d', dest_folder])
-    check_call(['python', 'setup.py', "sdist", "--format", "zip", '-d', dest_folder])
+    absdirpath = os.path.abspath(name)
+    check_call(['python', 'setup.py', 'bdist_wheel', '-d', dest_folder], cwd=absdirpath)
+    check_call(['python', 'setup.py', "sdist", "--format", "zip", '-d', dest_folder], cwd=absdirpath)
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description='Build Azure package.')