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# Copyright (c) 2013, Open Source Robotics Foundation, Inc.
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from .package import Package
from .repository import Repository
[docs]class DistributionFile(object):
_type = 'distribution'
def __init__(self, name, data):
self.name = name
assert 'type' in data, "Expected file type is '%s'" % DistributionFile._type
assert data['type'] == DistributionFile._type, "Expected file type is '%s', not '%s'" % (DistributionFile._type, data['type'])
assert 'version' in data, "Source file for '%s' lacks required version information" % self.name
assert int(data['version']) in [1, 2], "Unable to handle '%s' format version '%d', please update rosdistro (e.g. on Ubuntu/Debian use: sudo apt-get update && sudo apt-get install --only-upgrade python-rosdistro)" % (DistributionFile._type, int(data['version']))
self.version = int(data['version'])
self.repositories = {}
self.release_packages = {}
self.source_packages = {}
if 'repositories' in data and data['repositories']:
for repo_name in sorted(data['repositories'].keys()):
repo_data = data['repositories'][repo_name]
repo = Repository(repo_name, repo_data.get('doc', None), repo_data.get('release', None), repo_data.get('source', None), repo_data)
self.repositories[repo_name] = repo
if repo.release_repository:
for pkg_name in repo.release_repository.package_names:
self._add_package(pkg_name, repo)
if repo.doc_repository:
for dep in repo.doc_repository.depends:
assert dep in data['repositories'].keys(), "Doc repository '%s' depends on non-existing repository '%s'" % (repo_name, dep)
self.release_platforms = {}
if 'release_platforms' in data and data['release_platforms']:
for os_name in data['release_platforms'].keys():
self.release_platforms[os_name] = []
for os_code_name in data['release_platforms'][os_name]:
assert os_code_name not in self.release_platforms[os_name], "Distribution '%s' specifies the os_code_name '%s' multiple times for the os_name '%s'" % (self.name, os_code_name, os_name)
self.release_platforms[os_name].append(os_code_name)
self.tags = []
if 'tags' in data and data['tags']:
for tag in data['tags']:
self.tags.append(tag)
[docs] def merge(self, other_dist_file):
assert self.name == other_dist_file.name
assert self.version == other_dist_file.version
# assert that the release platforms of the other dist file are a subset
for os_name, os_code_names in \
other_dist_file.release_platforms.items():
assert os_name in self.release_platforms.keys()
for os_code_name in os_code_names:
assert os_code_name in self.release_platforms[os_name]
self.release_platforms = dict(other_dist_file.release_platforms)
for repo_name, other_repo in other_dist_file.repositories.items():
# remove existing repo before adding other
if repo_name in self.repositories:
self_repo = self.repositories[repo_name]
# remove corresponding release packages
if self_repo.release_repository:
for pkg_name in self_repo.release_repository.package_names:
del self.release_packages[pkg_name]
self.repositories[repo_name] = other_repo
if other_repo.release_repository:
for pkg_name in other_repo.release_repository.package_names:
# add corresponding release packages
self.release_packages[pkg_name] = \
other_dist_file.release_packages[pkg_name]
for tag in other_dist_file.tags:
if tag not in self.tags:
self.tags.append(tag)
def _add_package(self, pkg_name, repo):
assert pkg_name not in self.release_packages, "Duplicate package name '%s' exists in repository '%s' as well as in repository '%s'" % (pkg_name, repo.name, self.release_packages[pkg_name].repository_name)
self.release_packages[pkg_name] = Package(pkg_name, repo.name)
[docs] def get_data(self):
data = {}
data['type'] = DistributionFile._type
data['version'] = self.version
data['repositories'] = {}
for repo_name in sorted(self.repositories.keys()):
repo = self.repositories[repo_name]
data['repositories'][repo_name] = repo.get_data()
data['release_platforms'] = self.release_platforms
if self.tags:
data['tags'] = self.tags
return data
[docs]def create_distribution_file(dist_name, data):
if not isinstance(data, list):
return DistributionFile(dist_name, data)
combined_dist_file = None
for d in data:
dist_file = DistributionFile(dist_name, d)
if combined_dist_file is None:
combined_dist_file = dist_file
else:
combined_dist_file.merge(dist_file)
return combined_dist_file