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92a425a532
* Make it easier to find network modules Feedback has been it's difficult (via Google or directly) to find modules as some people search for the company name vs product name, therefore specify both. * "IOS XR" (not "IOS-XR")
228 lines
7.1 KiB
Python
228 lines
7.1 KiB
Python
#!/usr/bin/python
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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ANSIBLE_METADATA = {'metadata_version': '1.0',
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'status': ['preview'],
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'supported_by': 'core'}
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DOCUMENTATION = """
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---
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module: iosxr_command
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version_added: "2.1"
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author: "Ricardo Carrillo Cruz (@rcarrillocruz)"
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short_description: Run commands on remote devices running Cisco IOS XR
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description:
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- Sends arbitrary commands to an IOS XR node and returns the results
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read from the device. This module includes an
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argument that will cause the module to wait for a specific condition
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before returning or timing out if the condition is not met.
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- This module does not support running commands in configuration mode.
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Please use M(iosxr_config) to configure iosxr devices.
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extends_documentation_fragment: iosxr
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options:
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commands:
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description:
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- List of commands to send to the remote iosxr device over the
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configured provider. The resulting output from the command
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is returned. If the I(wait_for) argument is provided, the
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module is not returned until the condition is satisfied or
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the number of retries has expired.
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required: true
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wait_for:
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description:
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- List of conditions to evaluate against the output of the
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command. The task will wait for each condition to be true
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before moving forward. If the conditional is not true
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within the configured number of retries, the task fails.
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See examples.
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required: false
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default: null
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aliases: ['waitfor']
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version_added: "2.2"
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match:
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description:
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- The I(match) argument is used in conjunction with the
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I(wait_for) argument to specify the match policy. Valid
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values are C(all) or C(any). If the value is set to C(all)
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then all conditionals in the wait_for must be satisfied. If
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the value is set to C(any) then only one of the values must be
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satisfied.
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required: false
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default: all
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choices: ['any', 'all']
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version_added: "2.2"
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retries:
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description:
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- Specifies the number of retries a command should by tried
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before it is considered failed. The command is run on the
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target device every retry and evaluated against the
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I(wait_for) conditions.
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required: false
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default: 10
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interval:
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description:
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- Configures the interval in seconds to wait between retries
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of the command. If the command does not pass the specified
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conditions, the interval indicates how long to wait before
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trying the command again.
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required: false
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default: 1
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"""
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EXAMPLES = """
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tasks:
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- name: run show version on remote devices
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iosxr_command:
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commands: show version
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- name: run show version and check to see if output contains iosxr
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iosxr_command:
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commands: show version
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wait_for: result[0] contains IOS-XR
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- name: run multiple commands on remote nodes
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iosxr_command:
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commands:
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- show version
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- show interfaces
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- name: run multiple commands and evaluate the output
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iosxr_command:
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commands:
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- show version
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- show interfaces
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wait_for:
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- result[0] contains IOS-XR
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- result[1] contains Loopback0
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"""
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RETURN = """
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stdout:
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description: The set of responses from the commands
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: ['...', '...']
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stdout_lines:
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description: The value of stdout split into a list
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returned: always apart from low level errors (such as action plugin)
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type: list
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sample: [['...', '...'], ['...'], ['...']]
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failed_conditions:
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description: The list of conditionals that have failed
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returned: failed
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type: list
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sample: ['...', '...']
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"""
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import time
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.iosxr import run_commands
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from ansible.module_utils.network_common import ComplexList
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from ansible.module_utils.netcli import Conditional
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from ansible.module_utils.six import string_types
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from ansible.module_utils.iosxr import iosxr_argument_spec, check_args
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def to_lines(stdout):
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for item in stdout:
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if isinstance(item, string_types):
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item = str(item).split('\n')
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yield item
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def parse_commands(module, warnings):
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command = ComplexList(dict(
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command=dict(key=True),
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prompt=dict(),
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answer=dict()
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), module)
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commands = command(module.params['commands'])
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for index, item in enumerate(commands):
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if module.check_mode and not item['command'].startswith('show'):
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warnings.append(
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'only show commands are supported when using check mode, not '
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'executing `%s`' % item['command']
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)
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elif item['command'].startswith('conf'):
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module.fail_json(
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msg='iosxr_command does not support running config mode '
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'commands. Please use iosxr_config instead'
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)
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return commands
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def main():
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spec = dict(
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commands=dict(type='list', required=True),
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wait_for=dict(type='list', aliases=['waitfor']),
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match=dict(default='all', choices=['all', 'any']),
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retries=dict(default=10, type='int'),
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interval=dict(default=1, type='int')
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)
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spec.update(iosxr_argument_spec)
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module = AnsibleModule(argument_spec=spec,
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supports_check_mode=True)
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warnings = list()
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check_args(module, warnings)
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commands = parse_commands(module, warnings)
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wait_for = module.params['wait_for'] or list()
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conditionals = [Conditional(c) for c in wait_for]
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retries = module.params['retries']
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interval = module.params['interval']
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match = module.params['match']
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while retries > 0:
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responses = run_commands(module, commands)
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for item in list(conditionals):
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if item(responses):
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if match == 'any':
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conditionals = list()
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break
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conditionals.remove(item)
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if not conditionals:
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break
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time.sleep(interval)
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retries -= 1
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if conditionals:
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failed_conditions = [item.raw for item in conditionals]
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msg = 'One or more conditional statements have not be satisfied'
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module.fail_json(msg=msg, failed_conditions=failed_conditions)
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result = {
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'changed': False,
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'stdout': responses,
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'warnings': warnings,
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'stdout_lines': list(to_lines(responses))
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}
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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