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#
# Copyright (C) 2018, 2019 Codethink Limited
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Valentin David <valentin.david@codethink.co.uk>
import collections.abc
import os
from ruamel import yaml
from buildstream import Element, ElementError, Scope
class SnapImageElement(Element):
def configure(self, node):
self.node_validate(node, [
'directory', 'include', 'exclude', 'metadata',
'include-orphans'
])
self.directory = self.node_subst_member(node, 'directory')
self.include = self.node_get_member(node, list, 'include')
self.exclude = self.node_get_member(node, list, 'exclude')
self.include_orphans = self.node_get_member(node, bool, 'include-orphans')
self.metadata = self._clean_meta_data(node.get('metadata'))
def _clean_meta_data(self, node):
ret = {}
for k, v in node.items():
if not k.startswith('__bst'):
if isinstance(v, collections.abc.Mapping):
ret[k] = self._clean_meta_data(v)
elif isinstance(v, list):
ret[k] = self.node_subst_list(node, k)
else:
ret[k] = self.node_subst_member(node, k)
return ret
def preflight(self):
runtime_deps = list(self.dependencies(Scope.RUN, recurse=False))
if runtime_deps:
raise ElementError("{}: Only build type dependencies supported by flatpak_image elements"
.format(self))
sources = list(self.sources())
if sources:
raise ElementError("{}: flatpak_image elements may not have sources".format(self))
def get_unique_key(self):
key = {}
key['directory'] = self.directory
key['include'] = sorted(self.include)
key['exclude'] = sorted(self.exclude)
key['include-orphans'] = self.include_orphans
key['metadata'] = self.metadata
key['version'] = 7
return key
def configure_sandbox(self, sandbox):
pass
def stage(self, sandbox):
pass
def assemble(self, sandbox):
basedir = sandbox.get_directory()
reldirectory = os.path.relpath(self.directory, os.sep)
rootdir = os.path.join(basedir, reldirectory)
metadir = os.path.join(rootdir, 'meta')
metadata = os.path.join(metadir, 'snap.yaml')
with self.timed_activity("Creating snap image", silent_nested=True):
self.stage_dependency_artifacts(sandbox,
Scope.BUILD,
include=self.include,
exclude=self.exclude,
orphans=self.include_orphans)
os.makedirs(metadir, exist_ok=True)
with open(metadata, 'w') as file:
yaml.dump(self.metadata, file)
return os.path.join(os.sep, reldirectory)
def setup():
return SnapImageElement
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