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86 lines
2.3 KiB
86 lines
2.3 KiB
#!/usr/bin/env python
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"""Fetch the most recent GAE SDK and decompress it in the current directory.
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Usage:
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fetch_gae_sdk.py [<dest_dir>]
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Current releases are listed here:
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https://www.googleapis.com/storage/v1/b/appengine-sdks/o?prefix=featured
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"""
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from __future__ import print_function
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import json
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import os
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import StringIO
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import sys
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import urllib2
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import zipfile
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_SDK_URL = (
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'https://www.googleapis.com/storage/v1/b/appengine-sdks/o?prefix=featured')
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def get_gae_versions():
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try:
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version_info_json = urllib2.urlopen(_SDK_URL).read()
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except:
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return {}
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try:
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version_info = json.loads(version_info_json)
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except:
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return {}
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return version_info.get('items', {})
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def _version_tuple(v):
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version_string = os.path.splitext(v['name'])[0].rpartition('_')[2]
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return tuple(int(x) for x in version_string.split('.'))
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def get_sdk_urls(sdk_versions):
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python_releases = [v for v in sdk_versions
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if v['name'].startswith('featured/google_appengine')]
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current_releases = sorted(python_releases, key=_version_tuple,
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reverse=True)
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return [release['mediaLink'] for release in current_releases]
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def main(argv):
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if len(argv) > 2:
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print('Usage: {0} [<destination_dir>]'.format(argv[0]))
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return 1
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dest_dir = argv[1] if len(argv) > 1 else '.'
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if not os.path.exists(dest_dir):
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os.makedirs(dest_dir)
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if os.path.exists(os.path.join(dest_dir, 'google_appengine')):
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print('GAE SDK already installed at {0}, exiting.'.format(dest_dir))
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return 0
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sdk_versions = get_gae_versions()
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if not sdk_versions:
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print('Error fetching GAE SDK version info')
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return 1
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sdk_urls = get_sdk_urls(sdk_versions)
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for sdk_url in sdk_urls:
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try:
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sdk_contents = StringIO.StringIO(urllib2.urlopen(sdk_url).read())
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break
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except:
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pass
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else:
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print('Could not read SDK from any of ', sdk_urls)
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return 1
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sdk_contents.seek(0)
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try:
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zip_contents = zipfile.ZipFile(sdk_contents)
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zip_contents.extractall(dest_dir)
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except:
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print('Error extracting SDK contents')
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return 1
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if __name__ == '__main__':
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sys.exit(main(sys.argv[:]))
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