Current File : //proc/self/root/usr/lib/python2.7/site-packages/ansible/plugins/lookup/together.py
# (c) 2013, Bradley Young <young.bradley@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from ansible.compat.six.moves import zip_longest
from ansible.errors import AnsibleError
from ansible.plugins.lookup import LookupBase
from ansible.utils.listify import listify_lookup_plugin_terms
class LookupModule(LookupBase):
"""
Transpose a list of arrays:
[1, 2, 3], [4, 5, 6] -> [1, 4], [2, 5], [3, 6]
Replace any empty spots in 2nd array with None:
[1, 2], [3] -> [1, 3], [2, None]
"""
def _lookup_variables(self, terms):
results = []
for x in terms:
intermediate = listify_lookup_plugin_terms(x, templar=self._templar, loader=self._loader)
results.append(intermediate)
return results
def run(self, terms, variables=None, **kwargs):
terms = self._lookup_variables(terms)
my_list = terms[:]
if len(my_list) == 0:
raise AnsibleError("with_together requires at least one element in each list")
return [self._flatten(x) for x in zip_longest(*my_list, fillvalue=None)]
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