Make _fix_argv() somewhat compatible with Argparse action='append'
Python Argparse supports the 'append' action [1] which is super handy to allow a user to repeat several times the same argument, each time with different values. This doesn't work with occ that tries to "fix argv" but raises this error: os_client_config.exceptions.OpenStackConfigException: The following options were given: '--foo,--foo' which contain duplicates except that one has _ and one has -. There is no sane way for us to know what you're doing. Remove the duplicate option and try again This patch tweak the _fix_argv() function so that it doesn't explode if the duplicate option has no '_' not '-' in its name. Change-Id: I4f06b6aff8d3ab1df45637399bc3a9b4b61764a9 Related-bug: #1685630
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@ -19,6 +19,7 @@ import collections
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import copy
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import json
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import os
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import re
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import sys
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import warnings
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@ -146,7 +147,9 @@ def _fix_argv(argv):
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# over the place.
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processed = collections.defaultdict(list)
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for index in range(0, len(argv)):
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if argv[index].startswith('--'):
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# If the value starts with '--' and has '-' or '_' in it, then
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# it's worth looking at it
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if re.match('^--.*(_|-)+.*', argv[index]):
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split_args = argv[index].split('=')
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orig = split_args[0]
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new = orig.replace('_', '-')
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@ -702,6 +702,17 @@ class TestConfigArgparse(base.TestCase):
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self.assertEqual(cc.config['auth']['password'], 'pass')
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self.assertEqual(cc.config['auth']['auth_url'], 'auth-url')
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def test_argparse_action_append_no_underscore(self):
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c = config.OpenStackConfig(config_files=[self.no_yaml],
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vendor_files=[self.no_yaml],
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secure_files=[self.no_yaml])
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parser = argparse.ArgumentParser()
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parser.add_argument('--foo', action='append')
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argv = ['--foo', '1', '--foo', '2']
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c.register_argparse_arguments(parser, argv=argv)
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opts, _remain = parser.parse_known_args(argv)
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self.assertEqual(opts.foo, ['1', '2'])
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def test_argparse_underscores_duplicate(self):
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c = config.OpenStackConfig(config_files=[self.no_yaml],
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vendor_files=[self.no_yaml],
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