def merge_packages(pkg1,
pkg2,
name1,
name2,
banned_packages=set(),
rewriter=None):
"""
Merges two previously loaded/parsed (using load_packages_file) packages
dictionaries, preferring `pkg1` over `pkg2`, and optionally discarding any
banned packages.
"""
new_pkgs = {}
package_names = set(pkg1.keys()).union(set(pkg2.keys()))
obsoletepkgs = []
for pkg in package_names:
pkg1_pkg = pkg1.get(pkg)
pkg2_pkg = pkg2.get(pkg)
if pkg1_pkg and pkg2_pkg:
if rewriter:
pkg1_pkg = rewriter(pkg1_pkg, name1)
new_pkgs[pkg] = pkg1_pkg
if package_newer(pkg1_pkg, pkg2_pkg):
obsoletepkgs.append(
'%s,%s,%s,%s' %
(globalvars.suite, pkg1_pkg.get('Package'),
pkg1_pkg.get('Version'), pkg2_pkg.get('Version')))
elif pkg1_pkg:
if not package_banned(pkg1_pkg, banned_packages):
if rewriter:
pkg1_pkg = rewriter(pkg1_pkg, name1)
new_pkgs[pkg] = pkg1_pkg
elif pkg2_pkg:
if not package_banned(pkg2_pkg, banned_packages):
if rewriter:
pkg2_pkg = rewriter(pkg2_pkg, name2)
new_pkgs[pkg] = pkg2_pkg
else:
assert False, 'Impossibru'
if obsoletepkgs:
obsoletepkgs = '\n'.join(obsoletepkgs) + '\n'
logtofile('%s-oldpackages.txt' % globalvars.suite,
obsoletepkgs,
redo=False)
return new_pkgs
def package_banned(pkg, banned_pkgs):
"""
Returns True is the package contains a banned dependency.
Currently checks and parses both the 'Depends:' and the 'Pre-Depends'
fields of the package.
"""
if pkg.get('Package') in banned_pkgs:
logtofile('bannedpackages.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
return True
depends = parse_dependencies(pkg.get('Depends', ''))
pre_depends = parse_dependencies(pkg.get('Pre-Depends', ''))
depends.extend(pre_depends)
if depends_on(depends, set(['libsystemd0'])):
logtofile('libsystemd.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
isbanned = depends_on_all_banned(depends, banned_pkgs)
if isbanned:
logtofile('bannedpackages.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
return isbanned
def package_banned(pkg, banned_pkgs):
"""
Returns True is the package contains a banned dependency.
Currently checks and parses both the 'Depends:' and the 'Pre-Depends'
fields of the package.
"""
if pkg.get('Package') in banned_pkgs:
logtofile('bannedpackages.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
return True
depends = parse_dependencies(pkg.get('Depends', ''))
pre_depends = parse_dependencies(pkg.get('Pre-Depends', ''))
depends = [v for v in depends]
pre_depends = [v for v in pre_depends]
deps = set(depends).union(set(pre_depends))
if 'libsystemd0' in deps:
logtofile('libsystemd.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
if bool(deps.intersection(banned_pkgs)):
logtofile('bannedpackages.txt',
'%s,%s\n' % (globalvars.suite, pkg.get('Package')))
return bool(deps.intersection(banned_pkgs))