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# (c) 2012, Michael DeHaan <michael.dehaan@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/>.
import ansible.utils as utils
from ansible.utils import safe_eval
import ansible.errors as errors
def flatten(terms):
ret = []
for term in terms:
if isinstance(term, list):
ret.extend(term)
elif isinstance(term, tuple):
ret.extend(term)
else:
ret.append(term)
return ret
def combine(a,b):
results = []
for x in a:
for y in b:
results.append(flatten([x,y]))
return results
class LookupModule(object):
def __init__(self, basedir=None, **kwargs):
self.basedir = basedir
def __lookup_injects(self, terms, inject):
results = []
for x in terms:
intermediate = utils.listify_lookup_plugin_terms(x, self.basedir, inject)
results.append(intermediate)
return results
def run(self, terms, inject=None, **kwargs):
# this code is common with 'items.py' consider moving to utils if we need it again
terms = utils.listify_lookup_plugin_terms(terms, self.basedir, inject)
terms = self.__lookup_injects(terms, inject)
my_list = terms[:]
my_list.reverse()
result = []
if len(my_list) == 0:
raise errors.AnsibleError("with_nested requires at least one element in the nested list")
result = my_list.pop()
while len(my_list) > 0:
result2 = combine(result, my_list.pop())
result = result2
new_result = []
for x in result:
new_result.append(flatten(x))
return new_result
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