# Software License Agreement (BSD License)
#
# Copyright (c) 2013, Open Source Robotics Foundation, Inc.
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#
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# modification, are permitted provided that the following conditions
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#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
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# with the distribution.
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# the names of its contributors may be used to endorse or promote
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from __future__ import print_function
from .release_file import ReleaseFile
[docs]class ReleaseCache(object):
_type = 'cache'
def __init__(self, name, data=None, distribution_file_data=None):
assert data or distribution_file_data
if data:
assert 'type' in data, "Expected file type is '%s'" % ReleaseCache._type
assert data['type'] == ReleaseCache._type, "Expected file type is '%s', not '%s'" % (ReleaseCache._type, data['type'])
assert 'version' in data, "Release cache file for '%s' lacks required version information" % name
self.version = int(data['version'])
assert self.version > 1, "Unable to handle '%s' format version '%d' anymore, please update your '%s' file to version '2'" % (ReleaseCache._type, self.version, ReleaseCache._type)
assert self.version == 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)" % (ReleaseCache._type, self.version)
assert 'name' in data, "Release cache file for '%s' lacks required name information" % name
assert data['name'] == name, "Release cache file for '%s' does not match the name '%s'" % (name, data['name'])
else:
self.version = 2
self._distribution_file_data = data['distribution_file'] if data else distribution_file_data
self.release_file = ReleaseFile(name, self._distribution_file_data)
self.package_xmls = data['release_package_xmls'] if data else {}
# for backward compatibility only
def __getattr__(self, name):
if name == 'release_package_xmls':
return self.package_xmls
raise AttributeError
[docs] def get_data(self):
data = {}
data['type'] = 'cache'
data['version'] = 2
data['name'] = self.release_file.name
data['distribution_file'] = self._distribution_file_data
data['package_xmls'] = self.package_xmls
return data
[docs] def update_distribution(self, distribution_file_data):
# remove packages which are not in the old distribution file
self._remove_obsolete_entries()
self._distribution_file_data = distribution_file_data
rel_file = ReleaseFile(self.distribution_file.name, self._distribution_file_data)
# remove all package xmls if repository information has changed
for pkg_name in sorted(rel_file.packages.keys()):
if pkg_name not in self.release_file.packages:
continue
if pkg_name in self.package_xmls and self._get_repo_info(rel_file, pkg_name) != self._get_repo_info(self.release_file, pkg_name):
del self.package_xmls[pkg_name]
self.release_file = rel_file
# remove packages which are not in the new distribution file
self._remove_obsolete_entries()
def _get_repo_info(self, dist_file, pkg_name):
pkg = dist_file.packages[pkg_name]
repo = dist_file.repositories[pkg.repository_name]
return (repo.version, repo.url)
def _remove_obsolete_entries(self):
for pkg_name in self.package_xmls.keys():
if pkg_name not in self.release_file.packages:
print('- REMOVE', pkg_name)
del self.package_xmls[pkg_name]