Add AppVeyor build with autoupload when commit is tagged with 'rel_*'

appveyor.yml

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+environment:
+  global:
+    PYPI_USERNAME:
+      secure: <insert secure variable here>
+    PYPI_PASSWORD:
+      secure: <insert secure variable here>
+
+  matrix:
+
+    # For Python versions available on Appveyor, see
+    # http://www.appveyor.com/docs/installed-software#python
+
+    - PYTHON: "C:\\Python26"
+    - PYTHON: "C:\\Python27"
+    - PYTHON: "C:\\Python33"
+    - PYTHON: "C:\\Python34"
+    - PYTHON: "C:\\Python35"
+    - PYTHON: "C:\\Python26-x64"
+    - PYTHON: "C:\\Python27-x64"
+    - PYTHON: "C:\\Python33-x64"
+      DISTUTILS_USE_SDK: "1"
+    - PYTHON: "C:\\Python34-x64"
+      DISTUTILS_USE_SDK: "1"
+    - PYTHON: "C:\\Python35-x64"
+
+version: "{build}"
+
+install:
+  # We need wheel installed to build wheels
+  - "%PYTHON%\\Scripts\\pip.exe install -U twine wheel"
+
+build_script:
+  # Put your build command here.
+  # If you don't need to build C extensions on 64-bit Python 3.3 or 3.4,
+  # you can remove "build.cmd" from the front of the command, as it's
+  # only needed to support those cases.
+  # Note that you must use the environment variable %PYTHON% to refer to
+  # the interpreter you're using - Appveyor does not do anything special
+  # to put the Python version you want to use on PATH.
+  - "appveyor\\build.cmd %PYTHON%\\python.exe setup.py bdist_wheel"
+
+after_build:
+  - "appveyor\\after_build.bat"
+
+artifacts:
+  # bdist_wheel puts your built wheel in the dist directory
+  - path: dist\*

appveyor/after_build.bat

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+appveyor\\build.cmd %PYTHON%\\python.exe setup.py bdist_wheel
+IF "%APPVEYOR_REPO_TAG%"=="true" (
+    IF "%APPVEYOR_REPO_TAG_NAME:~0,4%"=="rel_" (
+        %PYTHON%\\Scripts\\twine.exe upload -u %PYPI_USERNAME% -p %PYPI_PASSWORD% dist\*.whl
+    )
+)

appveyor/build.cmd

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+@echo off
+:: To build extensions for 64 bit Python 3, we need to configure environment
+:: variables to use the MSVC 2010 C++ compilers from GRMSDKX_EN_DVD.iso of:
+:: MS Windows SDK for Windows 7 and .NET Framework 4
+::
+:: More details at:
+:: https://github.com/cython/cython/wiki/64BitCythonExtensionsOnWindows
+
+IF "%DISTUTILS_USE_SDK%"=="1" (
+    ECHO Configuring environment to build with MSVC on a 64bit architecture
+    ECHO Using Windows SDK 7.1
+    "C:\Program Files\Microsoft SDKs\Windows\v7.1\Setup\WindowsSdkVer.exe" -q -version:v7.1
+    CALL "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64 /release
+    SET MSSdk=1
+    REM Need the following to allow tox to see the SDK compiler
+    SET TOX_TESTENV_PASSENV=DISTUTILS_USE_SDK MSSdk INCLUDE LIB
+) ELSE (
+    ECHO Using default MSVC build environment
+)
+
+CALL %*

appveyor/getwheels.py

@@ -0,0 +1,78 @@
+# coding: utf-8
+from __future__ import absolute_import, division, print_function
+
+import os
+import sys
+from textwrap import dedent
+
+import requests
+
+URL = 'https://ci.appveyor.com/api'
+TOKEN = os.getenv('APPVEYOR_TOKEN')
+ACCOUNT = 'zzzeek'  # AppVeyor username, assuming zzzeek
+PROJECT = 'sqlalchemy'
+
+if len(sys.argv) != 2:
+    sys.exit('getwheels.py <branch>')
+
+if TOKEN is None:
+    sys.exit('APPVEYOR_TOKEN env var not set.')
+
+branch = sys.argv[1]
+
+session = requests.Session()
+session.headers.update({'Authorization': 'Bearer ' + TOKEN})
+
+BRANCH_BUILD_URL = '{}/projects/{}/{}/branch/{}'.format(
+    URL, ACCOUNT, PROJECT, branch)
+
+response = session.get(BRANCH_BUILD_URL)
+response.raise_for_status()
+
+build_data = response.json()['build']
+
+message = dedent('''
+    Downloading wheels for latest build on branch {bd[branch]!r}.
+
+    Branch:          {bd[branch]}
+    AppVeyor build:  {bd[buildNumber]}
+    Commit ID:       {bd[commitId]}
+    Commit message:  {bd[message]}
+
+    Build status:    {bd[status]}
+'''.format(bd=build_data))
+
+print(message)
+
+if build_data['status'] == 'failed':
+    sys.exit('Build failed, aborting download.')
+elif build_data['status'] == 'running':
+    sys.exit('Build still running, aborting download.')
+
+job_ids = [job['jobId'] for job in build_data['jobs']]
+
+
+def download_artifact(artifact):
+    FILE_URL = '{}/buildjobs/{}/artifacts'.format(
+        URL, job_id, artifact['fileName'])
+
+    print('Downloading', artifact['fileName'])
+
+    response = session.get(FILE_URL, stream=True)
+    response.raise_for_status()
+
+    with open(artifact['fileName'], 'wb') as fp:
+        for chunk in response.iter_content(chunk_size=100 * 1024):
+            fp.write(chunk)
+
+try:
+    os.mkdir('dist')
+except OSError:
+    pass
+
+for job_id in job_ids:
+    ARTIFACTS_URL = '{}/buildjobs/{}/artifacts'.format(URL, job_id)
+    response = session.get(ARTIFACTS_URL)
+    for artifact in response.json():
+        if artifact['fileName'].endswith('.whl'):
+            download_artifact(artifact)