/usr/lib/python2.7/dist-packages/dcos/cmds.py is in python-dcos 0.2.0-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | import collections
from dcos.errors import DCOSException
Command = collections.namedtuple(
'Command',
['hierarchy', 'arg_keys', 'function'])
"""Describe a CLI command.
:param hierarchy: the noun and verbs that need to be set for the command to
execute
:type hierarchy: list of str
:param arg_keys: the arguments that must get passed to the function; the order
of the keys determines the order in which they get passed to
the function
:type arg_keys: list of str
:param function: the function to execute
:type function: func(args) -> int
"""
def execute(cmds, args):
"""Executes one of the commands based on the arguments passed.
:param cmds: commands to try to execute; the order determines the order of
evaluation
:type cmds: list of Command
:param args: command line arguments
:type args: dict
:returns: the process status
:rtype: int
"""
for hierarchy, arg_keys, function in cmds:
# Let's find if the function matches the command
match = True
for positional in hierarchy:
if not args[positional]:
match = False
if match:
params = [args[name] for name in arg_keys]
return function(*params)
raise DCOSException('Could not find a command with the passed arguments')
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