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Warn and exit if boto version is too old #15

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bb5dce6
Warn and exit if boto version is too old
jimbrowne May 31, 2013
0e8842d
Fix naive version comparison code (e.g. 2.15 > 2.8)
jimbrowne Nov 1, 2013
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17 changes: 16 additions & 1 deletion bin/boto-rsync
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,22 @@ def main():
num_cb = 10
rename = False
copy_file = True


# Boto < 2.0 missing __version__, hence try/except
# S3 encryption support present in 2.1.0 and later
desired_boto = '2.1.0'
boto_err = 'Boto version %s or later is required\n' % desired_boto
boto_err += 'Try: sudo easy_install boto\n'

try:
from pkg_resources import parse_version
if parse_version(boto.__version__) < parse_version(desired_boto):
sys.stdout.write(boto_err)
sys.exit(1)
except (AttributeError, NameError):
sys.stdout.write(boto_err)
sys.exit(1)

parser = argparse.ArgumentParser(
formatter_class=argparse.RawDescriptionHelpFormatter,
usage='%(prog)s [OPTIONS] SOURCE DESTINATION',
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