95 lines
2.5 KiB
Python
95 lines
2.5 KiB
Python
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import uuid
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import prettytable
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from glanceclient import exceptions
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# Decorator for cli-args
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def arg(*args, **kwargs):
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def _decorator(func):
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# Because of the sematics of decorator composition if we just append
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# to the options list positional options will appear to be backwards.
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func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
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return func
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return _decorator
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def pretty_choice_list(l):
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return ', '.join("'%s'" % i for i in l)
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def print_list(objs, fields, formatters={}):
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pt = prettytable.PrettyTable([f for f in fields], caching=False)
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pt.aligns = ['l' for f in fields]
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for o in objs:
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row = []
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for field in fields:
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if field in formatters:
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row.append(formatters[field](o))
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else:
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field_name = field.lower().replace(' ', '_')
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data = getattr(o, field_name, '')
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row.append(data)
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pt.add_row(row)
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pt.printt(sortby=fields[0])
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def print_dict(d):
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pt = prettytable.PrettyTable(['Property', 'Value'], caching=False)
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pt.aligns = ['l', 'l']
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[pt.add_row(list(r)) for r in d.iteritems()]
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pt.printt(sortby='Property')
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def find_resource(manager, name_or_id):
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"""Helper for the _find_* methods."""
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# first try to get entity as integer id
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try:
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if isinstance(name_or_id, int) or name_or_id.isdigit():
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return manager.get(int(name_or_id))
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except exceptions.NotFound:
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pass
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# now try to get entity as uuid
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try:
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uuid.UUID(str(name_or_id))
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return manager.get(name_or_id)
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except (ValueError, exceptions.NotFound):
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pass
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# finally try to find entity by name
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try:
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return manager.find(name=name_or_id)
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except exceptions.NotFound:
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msg = "No %s with a name or ID of '%s' exists." % \
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(manager.resource_class.__name__.lower(), name_or_id)
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raise exceptions.CommandError(msg)
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def unauthenticated(f):
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""" Adds 'unauthenticated' attribute to decorated function.
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Usage:
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@unauthenticated
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def mymethod(f):
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...
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"""
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f.unauthenticated = True
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return f
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def isunauthenticated(f):
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"""
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Checks to see if the function is marked as not requiring authentication
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with the @unauthenticated decorator. Returns True if decorator is
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set to True, False otherwise.
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"""
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return getattr(f, 'unauthenticated', False)
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def string_to_bool(arg):
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return arg.strip().lower() in ('t', 'true', 'yes', '1')
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