65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
# (c) 2013, Bradley Young <young.bradley@gmail.com>
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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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import ansible.utils as utils
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from ansible.utils import safe_eval
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import ansible.errors as errors
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from itertools import izip_longest
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def flatten(terms):
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ret = []
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for term in terms:
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if isinstance(term, list):
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ret.extend(term)
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elif isinstance(term, tuple):
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ret.extend(term)
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else:
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ret.append(term)
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return ret
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class LookupModule(object):
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"""
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Transpose a list of arrays:
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[1, 2, 3], [4, 5, 6] -> [1, 4], [2, 5], [3, 6]
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Replace any empty spots in 2nd array with None:
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[1, 2], [3] -> [1, 3], [2, None]
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"""
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def __init__(self, basedir=None, **kwargs):
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self.basedir = basedir
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def __lookup_injects(self, terms, inject):
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results = []
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for x in terms:
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intermediate = utils.listify_lookup_plugin_terms(x, self.basedir, inject)
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results.append(intermediate)
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return results
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def run(self, terms, inject=None, **kwargs):
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# this code is common with 'items.py' consider moving to utils if we need it again
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terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject)
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terms = self.__lookup_injects(terms, inject)
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my_list = terms[:]
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if len(my_list) == 0:
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raise errors.AnsibleError("with_together requires at least one element in each list")
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return [flatten(x) for x in izip_longest(*my_list, fillvalue=None)]
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