def _get_multi_packages(self):
"""
Get the package info for each sub package, sorted in a order such that
you don't need to install different ones.
"""
# Get all the internal packages
packages = self._data['packages']
pkg_names = set(packages.keys())
# Build a graph of the dependencies amongst the packages in this XPD
dep_graph = {}
for name, data in self._data['packages'].iteritems():
if data:
for dep in data.get('dependencies', []):
if dep in pkg_names:
dep_graph.setdefault(name, []).append(dep)
else:
dep_graph[name] = []
# Topologically sort them so we start with the package that has no
# dependencies
sorted_names = sorted(util.topological_sort(dep_graph))
# Produce the package data in sorted form
results = []
for pkg_name in sorted_names:
pkg_data = packages.get(pkg_name)
if pkg_data is None:
pkg_data = {}
# Lookup the version and dependencies, for this package, but fall
# back full package version
results.append({
'name':
pkg_name,
'version':
pkg_data.get('version', self.version),
'description':
pkg_data.get('description', self.description),
'dirs':
pkg_data.get('dirs', []),
'files':
pkg_data.get('files', []),
'dependencies':
pkg_data.get('dependencies', self.dependencies),
})
return results
def test_topological_sort(self):
"""
Test basic topological sort
"""
# Basic dependency graph
graph = {
'libmulti' : [],
'libmulti-dev' : ['libmulti'],
'multi-tools' : ['libmulti'],
}
actual = sorted(util.topological_sort(graph))
expected = ['libmulti', 'libmulti-dev', 'multi-tools']
self.assertEqual(expected, actual)
def _get_multi_packages(self):
"""
Get the package info for each sub package, sorted in a order such that
you don't need to install different ones.
"""
# Get all the internal packages
packages = self._data['packages']
pkg_names = set(packages.keys())
# Build a graph of the dependencies amongst the packages in this XPD
dep_graph = {}
for name, data in self._data['packages'].iteritems():
if data:
for dep in data.get('dependencies', []):
if dep in pkg_names:
dep_graph.setdefault(name, []).append(dep)
else:
dep_graph[name] = []
# Topologically sort them so we start with the package that has no
# dependencies
sorted_names = sorted(util.topological_sort(dep_graph))
# Produce the package data in sorted form
results = []
for pkg_name in sorted_names:
pkg_data = packages.get(pkg_name)
if pkg_data is None:
pkg_data = {}
# Lookup the version and dependencies, for this package, but fall
# back full package version
results.append({
'name' : pkg_name,
'version' : pkg_data.get('version', self.version),
'description' : pkg_data.get('description', self.description),
'dirs' : pkg_data.get('dirs', []),
'files' : pkg_data.get('files', []),
'dependencies' : pkg_data.get('dependencies', self.dependencies),
})
return results
