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# Copyright 2017 Lars Wirzenius
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
# =*= License: GPL-3+ =*=
import jinja2
import yaml
class Spec:
def __init__(self):
self._dict = None
def load_file(self, f):
self._dict = yaml.safe_load(f)
def as_dict(self):
return dict(self._dict)
def get_steps(self, params):
return expand_templates(self._dict["steps"], params)
def expand_templates(value, params):
if isinstance(value, str):
template = jinja2.Template(value)
return template.render(**params)
elif isinstance(value, int):
return value
elif isinstance(value, list):
return [expand_templates(x, params) for x in value]
elif isinstance(value, dict):
return {key: expand_templates(value[key], params) for key in value}
else:
assert 0, "Unknown value type: {!r}".format(value)
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