Source code for daklib.packagelist
"""parse Package-List field
@copyright: 2014, Ansgar Burchardt <ansgar@debian.org>
@license: GPL-2+
"""
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from daklib.architecture import match_architecture
from daklib.utils import extract_component_from_section
from collections.abc import Mapping
from typing import Optional
[docs]class InvalidSource(Exception):
pass
[docs]class PackageListEntry:
def __init__(self, name, package_type, section, component, priority, **other):
self.name = name
self.type = package_type
self.section = section
self.component = component
self.priority = priority
self.other = other
self.architectures = self._architectures()
[docs] def _architectures(self) -> Optional[list[str]]:
archs = self.other.get("arch", None)
if archs is None:
return None
return archs.split(',')
[docs] def built_on_architecture(self, architecture: str) -> Optional[bool]:
archs = self.architectures
if archs is None:
return None
for arch in archs:
if match_architecture(architecture, arch):
return True
return False
[docs] def built_in_suite(self, suite) -> Optional[bool]:
built: Optional[bool] = False
for arch in suite.architectures:
if arch.arch_string == 'source':
continue
built_on_arch = self.built_on_architecture(arch.arch_string)
if built_on_arch:
return True
if built_on_arch is None:
built = None
return built
[docs] def built_in_default_profile(self) -> bool:
# See man:dsc(5) and https://bugs.debian.org/913965#77
profiles_and = self.other.get('profile')
if profiles_and is None:
return True
return all(
any(profile.startswith("!") for profile in profiles_or.split("+"))
for profiles_or in profiles_and.split(",")
)
[docs]class PackageList:
def __init__(self, source: Mapping[str, str]):
if 'Package-List' in source:
self.package_list = self._parse(source)
elif 'Binary' in source:
self.package_list = self._parse_fallback(source)
else:
raise InvalidSource('Source package has neither Package-List nor Binary field.')
self.fallback = any(entry.architectures is None for entry in self.package_list)
[docs] def _binaries(self, source: Mapping[str, str]) -> set[str]:
return set(name.strip() for name in source['Binary'].split(","))
[docs] def _parse(self, source: Mapping[str, str]) -> list[PackageListEntry]:
package_list = []
binaries_binary = self._binaries(source)
binaries_package_list = set()
for line in source['Package-List'].split("\n"):
if not line:
continue
fields = line.split()
if len(fields) < 4:
raise InvalidSource("Package-List entry has less than four fields.")
# <name> <type> <component/section> <priority> [arch=<arch>[,<arch>]...]
name = fields[0]
package_type = fields[1]
section, component = extract_component_from_section(fields[2])
priority = fields[3]
other = dict(kv.split('=', 1) for kv in fields[4:])
if name in binaries_package_list:
raise InvalidSource("Package-List has two entries for '{0}'.".format(name))
if name not in binaries_binary:
raise InvalidSource("Package-List lists {0} which is not listed in Binary.".format(name))
binaries_package_list.add(name)
entry = PackageListEntry(name, package_type, section, component, priority, **other)
package_list.append(entry)
if len(binaries_binary) != len(binaries_package_list):
raise InvalidSource("Package-List and Binaries fields have a different number of entries.")
return package_list
[docs] def _parse_fallback(self, source: Mapping[str, str]) -> list[PackageListEntry]:
package_list = []
for binary in self._binaries(source):
name = binary
package_type = None
component = None
section = None
priority = None
other = dict()
entry = PackageListEntry(name, package_type, section, component, priority, **other)
package_list.append(entry)
return package_list
[docs] def packages_for_suite(self, suite, only_default_profile=True) -> list[PackageListEntry]:
packages = []
for entry in self.package_list:
if only_default_profile and not entry.built_in_default_profile():
continue
built = entry.built_in_suite(suite)
if built or built is None:
packages.append(entry)
return packages
[docs] def has_arch_indep_packages(self) -> Optional[bool]:
has_arch_indep: Optional[bool] = False
for entry in self.package_list:
built = entry.built_on_architecture('all')
if built:
return True
if built is None:
has_arch_indep = None
return has_arch_indep
[docs] def has_arch_dep_packages(self) -> Optional[bool]:
has_arch_dep: Optional[bool] = False
for entry in self.package_list:
built_on_all = entry.built_on_architecture('all')
if built_on_all is False:
return True
if built_on_all is None:
has_arch_dep = None
return has_arch_dep