1"""parse Package-List field
3@copyright: 2014, Ansgar Burchardt <ansgar@debian.org>
4@license: GPL-2+
5"""
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21from daklib.architecture import match_architecture
22from daklib.utils import extract_component_from_section
24from collections.abc import Mapping
25from typing import Optional
28class InvalidSource(Exception):
29 pass
32class PackageListEntry:
33 def __init__(self, name, package_type, section, component, priority, **other):
34 self.name = name
35 self.type = package_type
36 self.section = section
37 self.component = component
38 self.priority = priority
39 self.other = other
41 self.architectures = self._architectures()
43 def _architectures(self) -> Optional[list[str]]:
44 archs = self.other.get("arch", None)
45 if archs is None:
46 return None
47 return archs.split(',')
49 def built_on_architecture(self, architecture: str) -> Optional[bool]:
50 archs = self.architectures
51 if archs is None:
52 return None
53 for arch in archs:
54 if match_architecture(architecture, arch):
55 return True
56 return False
58 def built_in_suite(self, suite) -> Optional[bool]:
59 built: Optional[bool] = False
60 for arch in suite.architectures:
61 if arch.arch_string == 'source':
62 continue
63 built_on_arch = self.built_on_architecture(arch.arch_string)
64 if built_on_arch:
65 return True
66 if built_on_arch is None:
67 built = None
68 return built
70 def built_in_default_profile(self) -> bool:
71 # See man:dsc(5) and https://bugs.debian.org/913965#77
72 profiles_and = self.other.get('profile')
73 if profiles_and is None:
74 return True
75 return all(
76 any(profile.startswith("!") for profile in profiles_or.split("+"))
77 for profiles_or in profiles_and.split(",")
78 )
81class PackageList:
82 def __init__(self, source: Mapping[str, str]):
83 if 'Package-List' in source:
84 self.package_list = self._parse(source)
85 elif 'Binary' in source: 85 ↛ 88line 85 didn't jump to line 88, because the condition on line 85 was never false
86 self.package_list = self._parse_fallback(source)
87 else:
88 raise InvalidSource('Source package has neither Package-List nor Binary field.')
90 self.fallback = any(entry.architectures is None for entry in self.package_list)
92 def _binaries(self, source: Mapping[str, str]) -> set[str]:
93 return set(name.strip() for name in source['Binary'].split(","))
95 def _parse(self, source: Mapping[str, str]) -> list[PackageListEntry]:
96 package_list = []
98 binaries_binary = self._binaries(source)
99 binaries_package_list = set()
101 for line in source['Package-List'].split("\n"):
102 if not line:
103 continue
104 fields = line.split()
105 if len(fields) < 4: 105 ↛ 106line 105 didn't jump to line 106, because the condition on line 105 was never true
106 raise InvalidSource("Package-List entry has less than four fields.")
108 # <name> <type> <component/section> <priority> [arch=<arch>[,<arch>]...]
109 name = fields[0]
110 package_type = fields[1]
111 section, component = extract_component_from_section(fields[2])
112 priority = fields[3]
113 other = dict(kv.split('=', 1) for kv in fields[4:])
115 if name in binaries_package_list: 115 ↛ 116line 115 didn't jump to line 116, because the condition on line 115 was never true
116 raise InvalidSource("Package-List has two entries for '{0}'.".format(name))
117 if name not in binaries_binary: 117 ↛ 118line 117 didn't jump to line 118, because the condition on line 117 was never true
118 raise InvalidSource("Package-List lists {0} which is not listed in Binary.".format(name))
119 binaries_package_list.add(name)
121 entry = PackageListEntry(name, package_type, section, component, priority, **other)
122 package_list.append(entry)
124 if len(binaries_binary) != len(binaries_package_list): 124 ↛ 125line 124 didn't jump to line 125, because the condition on line 124 was never true
125 raise InvalidSource("Package-List and Binaries fields have a different number of entries.")
127 return package_list
129 def _parse_fallback(self, source: Mapping[str, str]) -> list[PackageListEntry]:
130 package_list = []
132 for binary in self._binaries(source):
133 name = binary
134 package_type = None
135 component = None
136 section = None
137 priority = None
138 other = dict()
140 entry = PackageListEntry(name, package_type, section, component, priority, **other)
141 package_list.append(entry)
143 return package_list
145 def packages_for_suite(self, suite, only_default_profile=True) -> list[PackageListEntry]:
146 packages = []
147 for entry in self.package_list:
148 if only_default_profile and not entry.built_in_default_profile():
149 continue
150 built = entry.built_in_suite(suite)
151 if built or built is None:
152 packages.append(entry)
153 return packages
155 def has_arch_indep_packages(self) -> Optional[bool]:
156 has_arch_indep: Optional[bool] = False
157 for entry in self.package_list:
158 built = entry.built_on_architecture('all')
159 if built:
160 return True
161 if built is None:
162 has_arch_indep = None
163 return has_arch_indep
165 def has_arch_dep_packages(self) -> Optional[bool]:
166 has_arch_dep: Optional[bool] = False
167 for entry in self.package_list:
168 built_on_all = entry.built_on_architecture('all')
169 if built_on_all is False:
170 return True
171 if built_on_all is None:
172 has_arch_dep = None
173 return has_arch_dep