/usr/share/pyshared/germinate/germinator.py is in python-germinate 2.8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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"""Expand seeds into dependency-closed lists of packages."""
# Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2011 Canonical Ltd.
#
# Germinate 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, or (at your option) any
# later version.
#
# Germinate 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 Germinate; see the file COPYING. If not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301, USA.
from __future__ import print_function
import sys
import re
import fnmatch
import logging
import collections
import apt_pkg
from germinate.archive import IndexType
from germinate.seeds import AtomicFile, SeedStructure, _ensure_unicode
# TODO: would be much more elegant to reduce our recursion depth!
sys.setrecursionlimit(2000)
__all__ = [
'Germinator',
]
_logger = logging.getLogger(__name__)
def _progress(msg, *args, **kwargs):
_logger.info(msg, *args, extra={'progress': True}, **kwargs)
class SeedReason(object):
def __init__(self, branch, name):
self._branch = branch
self._name = name
def __str__(self):
if self._branch is None:
return '%s seed' % self._name.title()
else:
return '%s %s seed' % (self._branch.title(), self._name)
class BuildDependsReason(object):
def __init__(self, src):
self._src = src
def __str__(self):
return '%s (Build-Depend)' % self._src
class RecommendsReason(object):
def __init__(self, pkg):
self._pkg = pkg
def __str__(self):
return '%s (Recommends)' % self._pkg
class DependsReason(object):
def __init__(self, pkg):
self._pkg = pkg
def __str__(self):
return self._pkg
class ExtraReason(object):
def __init__(self, src):
self._src = src
def __str__(self):
return 'Generated by %s' % self._src
class RescueReason(object):
def __init__(self, src):
self._src = src
def __str__(self):
return 'Rescued from %s' % self._src
class SeedKernelVersions(object):
"""A virtual seed entry representing lexically scoped Kernel-Version."""
def __init__(self, kernel_versions):
self.kernel_versions = set(kernel_versions)
class GerminatedSeed(object):
def __init__(self, germinator, name, structure, raw_seed):
self._germinator = germinator
self._name = name
self._structure = structure
self._raw_seed = raw_seed
self._copy = None
self._entries = []
self._features = set()
self._recommends_entries = []
self._close_seeds = set()
self._depends = set()
self._build_depends = set()
self._sourcepkgs = set()
self._build_sourcepkgs = set()
self._pkgprovides = {}
self._build = set()
self._not_build = set()
self._build_srcs = set()
self._not_build_srcs = set()
self._reasons = {}
self._blacklist = set()
self._blacklist_seen = False
# Note that this relates to the vestigial global blacklist file, not
# to the per-seed blacklist entries in _blacklist.
self._blacklisted = set()
self._includes = {}
self._excludes = {}
self._seed_reason = SeedReason(structure.branch, name)
self._grown = False
self._cache_inner_seeds = None
self._cache_strictly_outer_seeds = None
self._cache_outer_seeds = None
def copy_plant(self, structure):
"""Return a copy of this seed attached to a different structure.
At this point, we only copy the parts of this seed that were filled
in by planting; the copy may be aborted if it transpires that it
needs to be grown independently after all. The copy may be
completed after all seeds have been planted by calling copy_grow."""
new = GerminatedSeed(self._germinator, self._name, structure,
self._raw_seed)
new._copy = self
# We deliberately don't take copies of anything; deep copies would
# take up substantial amounts of memory.
new._entries = self._entries
new._features = self._features
new._recommends_entries = self._recommends_entries
new._close_seeds = self._close_seeds
new._blacklist = self._blacklist
new._includes = self._includes
new._excludes = self._excludes
new._seed_reason = SeedReason(structure.branch, self._name)
return new
def copy_growth(self):
"""Complete copying of this seed."""
if self._copy is None:
return
# Does this seed still look the same as the one it was copied from
# after we've finished planting it?
if self != self._copy:
self._copy = None
return
copy = self._copy
assert copy._grown
# We deliberately don't take copies of anything; this seed has been
# grown and thus should not be modified further, and deep copies
# would take up substantial amounts of memory.
self._entries = copy._entries
self._recommends_entries = copy._recommends_entries
self._depends = copy._depends
self._build_depends = copy._build_depends
self._sourcepkgs = copy._sourcepkgs
self._build_sourcepkgs = copy._build_sourcepkgs
self._build = copy._build
self._not_build = copy._not_build
self._build_srcs = copy._build_srcs
self._not_build_srcs = copy._not_build_srcs
self._reasons = copy._reasons
self._blacklist_seen = False
self._blacklisted = copy._blacklisted
self._grown = True
@property
def name(self):
return self._name
@property
def structure(self):
return self._structure
def __str__(self):
return self._name
@property
def entries(self):
return [
e for e in self._entries
if not isinstance(e, SeedKernelVersions)]
@property
def recommends_entries(self):
return [
e for e in self._recommends_entries
if not isinstance(e, SeedKernelVersions)]
@property
def depends(self):
return set(self._depends)
@property
def build_depends(self):
return set(self._build_depends)
def __eq__(self, other):
def eq_blacklist_seen(left_name, right_name):
# Ignore KeyError in the following; if seeds haven't been
# planted yet, they can't have seen blacklist entries from outer
# seeds.
try:
left_seed = self._germinator._seeds[left_name]
if left_seed._blacklist_seen:
return False
except KeyError:
pass
try:
right_seed = other._germinator._seeds[right_name]
if right_seed._blacklist_seen:
return False
except KeyError:
pass
return True
def eq_inheritance(left_name, right_name):
if left_name == "extra":
left_inherit = self.structure.names + ["extra"]
else:
left_inherit = self.structure.inner_seeds(left_name)
if right_name == "extra":
right_inherit = other.structure.names + ["extra"]
else:
right_inherit = other.structure.inner_seeds(right_name)
if len(left_inherit) != len(right_inherit):
return False
left_branch = self.structure.branch
right_branch = other.structure.branch
for left, right in zip(left_inherit, right_inherit):
if left != right:
return False
left_seedname = self._germinator._make_seed_name(
left_branch, left)
right_seedname = other._germinator._make_seed_name(
right_branch, right)
if not eq_blacklist_seen(left_seedname, right_seedname):
return False
return True
if isinstance(other, GerminatedSeed):
if self._raw_seed != other._raw_seed:
return False
if not eq_inheritance(self.name, other.name):
return False
try:
left_lesser = self._germinator._strictly_outer_seeds(self)
right_lesser = other._germinator._strictly_outer_seeds(other)
left_close = [l for l in left_lesser
if self.name in l._close_seeds]
right_close = [l for l in right_lesser
if other.name in l._close_seeds]
if left_close != right_close:
return False
left_branch = self.structure.branch
right_branch = other.structure.branch
for close_seed in left_close:
left_seedname = self._germinator._make_seed_name(
left_branch, close_seed)
right_seedname = self._germinator._make_seed_name(
right_branch, close_seed)
if not eq_inheritance(left_seedname, right_seedname):
return False
except KeyError:
pass
return True
else:
return NotImplemented
def __ne__(self, other):
return not self == other
__hash__ = None
class GerminatedSeedStructure(object):
def __init__(self, structure):
self._structure = structure
# TODO: move to collections.OrderedDict with 2.7
self._seednames = []
self._all = set()
self._all_srcs = set()
self._all_reasons = {}
self._blacklist = {}
self._rdepends_cache_entries = None
class GerminatorOutput(collections.MutableMapping, object):
def __init__(self):
self._dict = {}
def __iter__(self):
return iter(self._dict)
def __len__(self):
return len(self._dict)
def __getitem__(self, key):
if isinstance(key, SeedStructure):
return self._dict[key.branch]
else:
return self._dict[key]
def __setitem__(self, key, value):
if isinstance(key, SeedStructure):
self._dict[key.branch] = value
else:
self._dict[key] = value
def __delitem__(self, key):
if isinstance(key, SeedStructure):
del self._dict[key.branch]
else:
del self._dict[key]
class Germinator(object):
"""A dependency expander."""
# Initialisation.
# ---------------
def __init__(self, arch):
"""Create a dependency expander.
Each instance of this class can only process a single architecture,
but can process multiple seed structures against it.
"""
self._arch = arch
apt_pkg.config.set("APT::Architecture", self._arch)
# Global hints file.
self._hints = {}
# Parsed representation of the archive.
self._packages = {}
self._packagetype = {}
self._provides = {}
self._sources = {}
# All the seeds we know about, regardless of seed structure.
self._seeds = {}
# The current Kernel-Version value for the seed currently being
# processed. This just saves us passing a lot of extra method
# arguments around.
self._di_kernel_versions = None
# Results of germination for each seed structure.
self._output = GerminatorOutput()
# Parsing.
# --------
def parse_hints(self, f):
"""Parse a hints file."""
for line in f:
if line.startswith("#") or not len(line.rstrip()): continue
words = line.rstrip().split(None)
if len(words) != 2:
continue
self._hints[words[1]] = words[0]
f.close()
def _parse_package(self, section, pkgtype):
"""Parse a section from a Packages file."""
pkg = section["Package"]
ver = section["Version"]
# If we have already seen an equal or newer version of this package,
# then skip this section.
if pkg in self._packages:
last_ver = self._packages[pkg]["Version"]
if apt_pkg.version_compare(last_ver, ver) >= 0:
return
self._packages[pkg] = {}
self._packagetype[pkg] = pkgtype
self._packages[pkg]["Section"] = \
section.get("Section", "").split('/')[-1]
self._packages[pkg]["Version"] = ver
self._packages[pkg]["Maintainer"] = \
_ensure_unicode(section.get("Maintainer", ""))
self._packages[pkg]["Essential"] = section.get("Essential", "")
for field in "Pre-Depends", "Depends", "Recommends":
value = section.get(field, "")
self._packages[pkg][field] = apt_pkg.parse_depends(value)
for field in "Size", "Installed-Size":
value = section.get(field, "0")
self._packages[pkg][field] = int(value)
src = section.get("Source", pkg)
idx = src.find("(")
if idx != -1:
src = src[:idx].strip()
self._packages[pkg]["Source"] = src
self._packages[pkg]["Provides"] = apt_pkg.parse_depends(
section.get("Provides", ""))
if pkg in self._provides:
self._provides[pkg].append(pkg)
self._packages[pkg]["Kernel-Version"] = section.get("Kernel-Version", "")
def _parse_source(self, section):
"""Parse a section from a Sources file."""
src = section["Package"]
ver = section["Version"]
# If we have already seen an equal or newer version of this source,
# then skip this section.
if src in self._sources:
last_ver = self._sources[src]["Version"]
if apt_pkg.version_compare(last_ver, ver) >= 0:
return
self._sources[src] = {}
self._sources[src]["Maintainer"] = \
_ensure_unicode(section.get("Maintainer", ""))
self._sources[src]["Version"] = ver
for field in "Build-Depends", "Build-Depends-Indep":
value = section.get(field, "")
self._sources[src][field] = apt_pkg.parse_src_depends(value)
binaries = apt_pkg.parse_depends(section.get("Binary", src))
self._sources[src]["Binaries"] = [ b[0][0] for b in binaries ]
def parse_archive(self, archive):
"""Parse an archive.
This must be called before planting any seeds.
"""
for indextype, section in archive.sections():
if indextype == IndexType.PACKAGES:
self._parse_package(section, "deb")
elif indextype == IndexType.SOURCES:
self._parse_source(section)
elif indextype == IndexType.INSTALLER_PACKAGES:
self._parse_package(section, "udeb")
else:
raise ValueError("Unknown index type %d" % indextype)
# Construct a more convenient representation of Provides fields.
for pkg in sorted(self._packages):
for prov in self._packages[pkg]["Provides"]:
if prov[0][0] not in self._provides:
self._provides[prov[0][0]] = []
if prov[0][0] in self._packages:
self._provides[prov[0][0]].append(prov[0][0])
self._provides[prov[0][0]].append(pkg)
def parse_blacklist(self, structure, f):
"""Parse a blacklist file, used to indicate unwanted packages."""
output = self._output[structure]
name = ''
for line in f:
line = line.strip()
if line.startswith('# blacklist: '):
name = line[13:]
elif not line or line.startswith('#'):
continue
else:
output._blacklist[line] = name
f.close()
# Seed structure handling. We need to wrap a few methods.
# --------------------------------------------------------
def _inner_seeds(self, seed):
if seed._cache_inner_seeds is None:
branch = seed.structure.branch
if seed.name == "extra":
seed._cache_inner_seeds = [
self._seeds[self._make_seed_name(branch, seedname)]
for seedname in seed.structure.names + ["extra"]]
else:
seed._cache_inner_seeds = [
self._seeds[self._make_seed_name(branch, seedname)]
for seedname in seed.structure.inner_seeds(seed.name)]
return seed._cache_inner_seeds
def _strictly_outer_seeds(self, seed):
if seed._cache_strictly_outer_seeds is None:
branch = seed.structure.branch
ret = []
for seedname in seed.structure.strictly_outer_seeds(seed.name):
ret.append(self._seeds[self._make_seed_name(branch, seedname)])
try:
ret.append(self._seeds[self._make_seed_name(branch, "extra")])
except KeyError:
pass
seed._cache_strictly_outer_seeds = ret
return seed._cache_strictly_outer_seeds
def _outer_seeds(self, seed):
if seed._cache_outer_seeds is None:
branch = seed.structure.branch
ret = []
for seedname in seed.structure.outer_seeds(seed.name):
ret.append(self._seeds[self._make_seed_name(branch, seedname)])
try:
ret.append(self._seeds[self._make_seed_name(branch, "extra")])
except KeyError:
pass
seed._cache_outer_seeds = ret
return seed._cache_outer_seeds
def _supported(self, seed):
try:
return self._get_seed(seed.structure, seed.structure.supported)
except KeyError:
return None
# The main germination algorithm.
# -------------------------------
def _filter_packages(self, packages, pattern):
"""Filter a list of packages, returning those that match the given
pattern. The pattern may either be a shell-style glob, or (if
surrounded by slashes) an extended regular expression."""
if pattern.startswith('/') and pattern.endswith('/'):
patternre = re.compile(pattern[1:-1])
filtered = [p for p in packages if patternre.search(p) is not None]
elif '*' in pattern or '?' in pattern or '[' in pattern:
filtered = fnmatch.filter(packages, pattern)
else:
# optimisation for common case
if pattern in packages:
return [pattern]
else:
return []
return sorted(filtered)
def _substitute_seed_vars(self, substvars, pkg):
"""Process substitution variables. These look like ${name} (e.g.
"kernel-image-${Kernel-Version}"). The name is case-insensitive.
Substitution variables are set with a line that looks like
" * name: value [value ...]", values being whitespace-separated.
A package containing substitution variables will be expanded into
one package for each possible combination of values of those
variables."""
pieces = re.split(r'(\${.*?})', pkg)
substituted = [[]]
for piece in pieces:
if piece.startswith("${") and piece.endswith("}"):
name = piece[2:-1].lower()
if name in substvars:
# Duplicate substituted once for each available substvar
# expansion.
newsubst = []
for value in substvars[name]:
for substpieces in substituted:
newsubstpieces = list(substpieces)
newsubstpieces.append(value)
newsubst.append(newsubstpieces)
substituted = newsubst
else:
_logger.error("Undefined seed substvar: %s", name)
else:
for substpieces in substituted:
substpieces.append(piece)
substpkgs = []
for substpieces in substituted:
substpkgs.append("".join(substpieces))
return substpkgs
def _already_seeded(self, seed, pkg):
"""Has pkg already been seeded in this seed or in one from
which we inherit?"""
for innerseed in self._inner_seeds(seed):
if (pkg in innerseed._entries or
pkg in innerseed._recommends_entries):
return True
return False
def _make_seed_name(self, branch, seedname):
return '%s/%s' % (branch, seedname)
def _plant_seed(self, structure, seedname, raw_seed):
"""Add a seed."""
seed = GerminatedSeed(self, seedname, structure, structure[seedname])
full_seedname = self._make_seed_name(structure.branch, seedname)
for existing in self._seeds.itervalues():
if seed == existing:
_logger.info("Already planted seed %s" % seed)
self._seeds[full_seedname] = existing.copy_plant(structure)
self._output[structure]._seednames.append(seedname)
return
self._seeds[full_seedname] = seed
self._output[structure]._seednames.append(seedname)
seedpkgs = []
seedrecommends = []
substvars = {}
for line in raw_seed:
if line.lower().startswith('task-seeds:'):
seed._close_seeds.update(line[11:].strip().split())
seed._close_seeds.discard(seedname)
continue
if not line.startswith(" * "):
continue
pkg = line[3:].strip()
if pkg.find("#") != -1:
pkg = pkg[:pkg.find("#")]
colon = pkg.find(":")
if colon != -1:
# Special header
name = pkg[:colon]
name = name.lower()
value = pkg[colon + 1:]
values = value.strip().split()
if name == "kernel-version":
# Allows us to pick the right modules later
_logger.warning("Allowing d-i kernel versions: %s", values)
# Remember the point in the seed at which we saw this,
# so that we can handle it correctly while expanding
# dependencies.
seedpkgs.append(SeedKernelVersions(values))
elif name == "feature":
_logger.warning("Setting features {%s} for seed %s",
', '.join(values), seed)
seed._features.update(values)
elif name.endswith("-include"):
included_seed = name[:-8]
if (included_seed not in structure.names and
included_seed != "extra"):
_logger.error("Cannot include packages from unknown "
"seed: %s", included_seed)
else:
_logger.warning("Including packages from %s: %s",
included_seed, values)
if included_seed not in seed._includes:
seed._includes[included_seed] = []
seed._includes[included_seed].extend(values)
elif name.endswith("-exclude"):
excluded_seed = name[:-8]
if (excluded_seed not in structure.names and
excluded_seed != "extra"):
_logger.error("Cannot exclude packages from unknown "
"seed: %s", excluded_seed)
else:
_logger.warning("Excluding packages from %s: %s",
excluded_seed, values)
if excluded_seed not in seed._excludes:
seed._excludes[excluded_seed] = []
seed._excludes[excluded_seed].extend(values)
substvars[name] = values
continue
pkg = pkg.strip()
if pkg.endswith("]"):
archspec = []
startarchspec = pkg.rfind("[")
if startarchspec != -1:
archspec = pkg[startarchspec + 1:-1].split()
pkg = pkg[:startarchspec - 1]
posarch = [x for x in archspec if not x.startswith('!')]
negarch = [x[1:] for x in archspec if x.startswith('!')]
if self._arch in negarch:
continue
if posarch and self._arch not in posarch:
continue
pkg = pkg.split()[0]
# a leading ! indicates a per-seed blacklist; never include this
# package in the given seed or any of its inner seeds, no matter
# what
if pkg.startswith('!'):
pkg = pkg[1:]
is_blacklist = True
else:
is_blacklist = False
# a (pkgname) indicates that this is a recommend
# and not a depends
if pkg.startswith('(') and pkg.endswith(')'):
pkg = pkg[1:-1]
pkgs = self._filter_packages(self._packages, pkg)
if not pkgs:
pkgs = [pkg] # virtual or expanded; check again later
for pkg in pkgs:
seedrecommends.extend(self._substitute_seed_vars(
substvars, pkg))
if pkg.startswith('%'):
pkg = pkg[1:]
if pkg in self._sources:
pkgs = [p for p in self._sources[pkg]["Binaries"]
if p in self._packages]
else:
_logger.warning("Unknown source package: %s", pkg)
pkgs = []
else:
pkgs = self._filter_packages(self._packages, pkg)
if not pkgs:
pkgs = [pkg] # virtual or expanded; check again later
if is_blacklist:
for pkg in pkgs:
_logger.info("Blacklisting %s from %s", pkg, seed)
seed._blacklist.update(self._substitute_seed_vars(
substvars, pkg))
else:
for pkg in pkgs:
seedpkgs.extend(self._substitute_seed_vars(substvars, pkg))
di_kernel_versions = None
for pkg in seedpkgs:
if isinstance(pkg, SeedKernelVersions):
di_kernel_versions = pkg
continue
if pkg in self._hints and self._hints[pkg] != seed.name:
_logger.warning("Taking the hint: %s", pkg)
continue
if pkg in self._packages:
# Ordinary package
if self._already_seeded(seed, pkg):
_logger.warning("Duplicated seed: %s", pkg)
elif self._is_pruned(di_kernel_versions, pkg):
_logger.warning("Pruned %s from %s", pkg, seed)
else:
if pkg in seedrecommends:
seed._recommends_entries.append(pkg)
else:
seed._entries.append(pkg)
elif pkg in self._provides:
# Virtual package, include everything
msg = "Virtual %s package: %s" % (seed, pkg)
for vpkg in self._provides[pkg]:
if self._already_seeded(seed, vpkg):
pass
elif self._is_pruned(di_kernel_versions, vpkg):
pass
else:
msg += "\n - %s" % vpkg
if pkg in seedrecommends:
seed._recommends_entries.append(vpkg)
else:
seed._entries.append(vpkg)
_logger.info("%s", msg)
else:
# No idea
_logger.error("Unknown %s package: %s", seed, pkg)
for pkg in self._hints:
if (self._hints[pkg] == seed.name and
not self._already_seeded(seed, pkg)):
if pkg in self._packages:
if pkg in seedrecommends:
seed._recommends_entries.append(pkg)
else:
seed._entries.append(pkg)
else:
_logger.error("Unknown hinted package: %s", pkg)
def plant_seeds(self, structure, seeds=None):
"""Add all seeds found in a seed structure."""
if structure not in self._output:
self._output[structure] = GerminatedSeedStructure(structure)
if seeds is not None:
structure.limit(seeds)
for name in structure.names:
with structure[name] as seed:
self._plant_seed(structure, name, seed)
def _is_pruned(self, di_kernel_versions, pkg):
"""Test whether pkg is for a forbidden d-i kernel version."""
if not di_kernel_versions or not di_kernel_versions.kernel_versions:
return False
kernvers = di_kernel_versions.kernel_versions
kernver = self._packages[pkg]["Kernel-Version"]
if kernver != "" and kernver not in kernvers:
return True
return False
def _weed_blacklist(self, pkgs, seed, build_tree, why):
"""Weed out blacklisted seed entries from a list."""
white = []
if build_tree:
outerseeds = [self._supported(seed)]
else:
outerseeds = self._outer_seeds(seed)
for pkg in pkgs:
for outerseed in outerseeds:
if outerseed is not None and pkg in outerseed._blacklist:
_logger.error("Package %s blacklisted in %s but seeded in "
"%s (%s)", pkg, outerseed, seed, why)
seed._blacklist_seen = True
break
else:
white.append(pkg)
return white
def grow(self, structure):
"""Grow the seeds."""
output = self._output[structure]
for seedname in output._seednames:
self._di_kernel_versions = None
seed = self._get_seed(structure, seedname)
if seed._copy:
seed.copy_growth()
if seed._grown:
_logger.info("Already grown seed %s" % seed)
# We still need to update a few structure-wide outputs.
output._all.update(seed._build)
output._all_srcs.update(seed._build_srcs)
for pkg, (why, build_tree,
recommends) in seed._reasons.iteritems():
if isinstance(why, SeedReason):
# Adjust this reason to refer to the correct branch.
why = seed._seed_reason
seed._reasons[pkg] = (why, build_tree, recommends)
self._remember_why(output._all_reasons, pkg, why,
build_tree, recommends)
continue
_progress("Resolving %s dependencies ...", seed)
# Check for blacklisted seed entries.
seed._entries = self._weed_blacklist(
seed._entries, seed, False, seed._seed_reason)
seed._recommends_entries = self._weed_blacklist(
seed._recommends_entries, seed, False, seed._seed_reason)
# Note that seedrecommends are not processed with
# recommends=True; that is reserved for Recommends of packages,
# not packages recommended by the seed. Changing this results in
# less helpful output when a package is recommended by an inner
# seed and required by an outer seed.
# We go through _get_seed_entries/_get_seed_recommends_entries
# here so that promoted dependencies are filtered out.
for pkg in self._get_seed_entries(structure, seedname):
if isinstance(pkg, SeedKernelVersions):
self._di_kernel_versions = pkg
else:
self._add_package(seed, pkg, seed._seed_reason)
for pkg in self._get_seed_recommends_entries(structure, seedname):
if isinstance(pkg, SeedKernelVersions):
self._di_kernel_versions = pkg
else:
self._add_package(seed, pkg, seed._seed_reason)
self._di_kernel_versions = None
for rescue_seedname in output._seednames:
self._rescue_includes(structure, seed.name, rescue_seedname,
build_tree=False)
if rescue_seedname == seed.name:
# only rescue from seeds up to and including the current
# seed; later ones have not been grown
break
self._rescue_includes(structure, seed.name, "extra",
build_tree=False)
seed._grown = True
try:
supported = self._get_seed(structure, structure.supported)
except KeyError:
supported = None
if supported is not None:
self._rescue_includes(structure, supported.name, "extra",
build_tree=True)
def add_extras(self, structure):
"""Add packages generated by the sources but not in any seed."""
output = self._output[structure]
seed = GerminatedSeed(self, "extra", structure, None)
self._seeds[self._make_seed_name(structure.branch, "extra")] = seed
output._seednames.append("extra")
self._di_kernel_versions = None
_progress("Identifying extras ...")
found = True
while found:
found = False
sorted_srcs = sorted(output._all_srcs)
for srcname in sorted_srcs:
for pkg in self._sources[srcname]["Binaries"]:
if pkg not in self._packages:
continue
if self._packages[pkg]["Source"] != srcname:
continue
if pkg in output._all:
continue
if pkg in self._hints and self._hints[pkg] != "extra":
_logger.warning("Taking the hint: %s", pkg)
continue
seed._entries.append(pkg)
self._add_package(seed, pkg, ExtraReason(srcname),
second_class=True)
found = True
def _allowed_dependency(self, pkg, depend, seed, build_depend):
"""Test whether a dependency arc is allowed.
Return True if pkg is allowed to satisfy a (build-)dependency using
depend within seed. Note that depend must be a real package.
If seed is None, check whether the (build-)dependency is allowed
within any seed.
"""
if depend not in self._packages:
_logger.warning("_allowed_dependency called with virtual package "
"%s", depend)
return False
if (seed is not None and
self._is_pruned(self._di_kernel_versions, depend)):
return False
if build_depend:
if self._packagetype[depend] == "deb":
return True
else:
return False
else:
if self._packagetype[pkg] == self._packagetype[depend]:
# If both packages have a Kernel-Version field, they must
# match.
pkgkernver = self._packages[pkg]["Kernel-Version"]
depkernver = self._packages[depend]["Kernel-Version"]
if (pkgkernver != "" and depkernver != "" and
pkgkernver != depkernver):
return False
return True
else:
return False
def _allowed_virtual_dependency(self, pkg, deptype):
"""Test whether a virtual dependency type is allowed.
Return True if pkg's dependency relationship type deptype may be
satisfied by a virtual package. (Versioned dependencies may not be
satisfied by virtual packages, unless pkg is a udeb.)
"""
if pkg in self._packagetype and self._packagetype[pkg] == "udeb":
return True
elif deptype == "":
return True
else:
return False
def _check_versioned_dependency(self, depname, depver, deptype):
"""Test whether a versioned dependency can be satisfied."""
if depname not in self._packages:
return False
if deptype == "":
return True
ver = self._packages[depname]["Version"]
compare = apt_pkg.version_compare(ver, depver)
if deptype == "<=":
return compare <= 0
elif deptype == ">=":
return compare >= 0
elif deptype == "<":
return compare < 0
elif deptype == ">":
return compare > 0
elif deptype == "=":
return compare == 0
elif deptype == "!=":
return compare != 0
else:
_logger.error("Unknown dependency comparator: %s" % deptype)
return False
def _unparse_dependency(self, depname, depver, deptype):
"""Return a string representation of a dependency."""
if deptype == "":
return depname
else:
return "%s (%s %s)" % (depname, deptype, depver)
def _follow_recommends(self, structure, seed=None):
"""Test whether we should follow Recommends for this seed."""
if seed is not None:
if "follow-recommends" in seed._features:
return True
if "no-follow-recommends" in seed._features:
return False
if "follow-recommends" in structure.features:
return True
return False
def _add_reverse(self, pkg, field, rdep):
"""Add a reverse dependency entry."""
if "Reverse-Depends" not in self._packages[pkg]:
self._packages[pkg]["Reverse-Depends"] = {}
if field not in self._packages[pkg]["Reverse-Depends"]:
self._packages[pkg]["Reverse-Depends"][field] = []
self._packages[pkg]["Reverse-Depends"][field].append(rdep)
def reverse_depends(self, structure):
"""Calculate the reverse dependency relationships."""
output = self._output[structure]
for pkg in output._all:
fields = ["Pre-Depends", "Depends"]
if (self._follow_recommends(structure) or
self._packages[pkg]["Section"] == "metapackages"):
fields.append("Recommends")
for field in fields:
for deplist in self._packages[pkg][field]:
for dep in deplist:
if dep[0] in output._all and \
self._allowed_dependency(pkg, dep[0], None, False):
self._add_reverse(dep[0], field, pkg)
for src in output._all_srcs:
for field in "Build-Depends", "Build-Depends-Indep":
for deplist in self._sources[src][field]:
for dep in deplist:
if dep[0] in output._all and \
self._allowed_dependency(src, dep[0], None, True):
self._add_reverse(dep[0], field, src)
for pkg in output._all:
if "Reverse-Depends" not in self._packages[pkg]:
continue
fields = ["Pre-Depends", "Depends"]
if (self._follow_recommends(structure) or
self._packages[pkg]["Section"] == "metapackages"):
fields.append("Recommends")
fields.extend(["Build-Depends", "Build-Depends-Indep"])
for field in fields:
if field not in self._packages[pkg]["Reverse-Depends"]:
continue
self._packages[pkg]["Reverse-Depends"][field].sort()
def _already_satisfied(self, seed, pkg, depend, build_depend=False, with_build=False):
"""Test whether a dependency has already been satisfied."""
(depname, depver, deptype) = depend
if self._allowed_virtual_dependency(pkg, deptype) and depname in self._provides:
trylist = [ d for d in self._provides[depname]
if d in self._packages and self._allowed_dependency(pkg, d, seed, build_depend) ]
elif (self._check_versioned_dependency(depname, depver, deptype) and
self._allowed_dependency(pkg, depname, seed, build_depend)):
trylist = [ depname ]
else:
return False
for trydep in trylist:
if with_build:
for innerseed in self._inner_seeds(seed):
if trydep in innerseed._build:
return True
else:
for innerseed in self._inner_seeds(seed):
if trydep in innerseed._not_build:
return True
if (trydep in seed._entries or
trydep in seed._recommends_entries):
return True
else:
return False
def _add_dependency(self, seed, pkg, dependlist, build_depend,
second_class, build_tree, recommends):
"""Add a single dependency.
Return True if a dependency was added, otherwise False.
"""
if build_tree and build_depend:
why = BuildDependsReason(self._packages[pkg]["Source"])
elif recommends:
why = RecommendsReason(pkg)
else:
why = DependsReason(pkg)
dependlist = self._weed_blacklist(dependlist, seed, build_tree, why)
if not dependlist:
return False
if build_tree:
for dep in dependlist:
seed._build_depends.add(dep)
else:
for dep in dependlist:
seed._depends.add(dep)
for dep in dependlist:
self._add_package(seed, dep, why,
build_tree, second_class, recommends)
return True
def _promote_dependency(self, seed, pkg, depend, close, build_depend,
second_class, build_tree, recommends):
"""Try to satisfy a dependency by promoting from a lesser seed.
If close is True, only "close-by" seeds (ones that generate the same
task, as defined by Task-Seeds headers) are considered. Return True
if a dependency was added, otherwise False.
"""
(depname, depver, deptype) = depend
if (self._check_versioned_dependency(depname, depver, deptype) and
self._allowed_dependency(pkg, depname, seed, build_depend)):
trylist = [ depname ]
elif (self._allowed_virtual_dependency(pkg, deptype) and
depname in self._provides):
trylist = [ d for d in self._provides[depname]
if d in self._packages and
self._allowed_dependency(pkg, d, seed,
build_depend) ]
else:
return False
for trydep in trylist:
lesserseeds = self._strictly_outer_seeds(seed)
if close:
lesserseeds = [l for l in lesserseeds
if seed.name in l._close_seeds]
for lesserseed in lesserseeds:
if (trydep in lesserseed._entries or
trydep in lesserseed._recommends_entries):
# Has it already been promoted from this seed?
already_promoted = False
for innerseed in self._inner_seeds(lesserseed):
if innerseed.name == lesserseed.name:
continue
if trydep in innerseed._depends:
already_promoted = True
break
if already_promoted:
continue
if second_class:
# "I'll get you next time, Gadget!"
# When processing the build tree, we don't promote
# packages from lesser seeds, since we still want to
# consider them (e.g.) part of ship even if they're
# build-dependencies of desktop. However, we do need
# to process them now anyway, since otherwise we
# might end up selecting the wrong alternative from
# an or-ed build-dependency.
pass
else:
# We want to remove trydep from lesserseed._entries
# and lesserseed._recommends_entries, but we can't
# because those might need to be copied for another
# seed structure; the removal is handled on output
# instead. Even so, it's still useful to log it
# here.
_logger.warning("Promoted %s from %s to %s to satisfy "
"%s", trydep, lesserseed, seed, pkg)
return self._add_dependency(seed, pkg, [trydep],
build_depend, second_class,
build_tree, recommends)
return False
def _new_dependency(self, seed, pkg, depend, build_depend,
second_class, build_tree, recommends):
"""Try to satisfy a dependency by adding a new package.
Return True if a dependency was added, otherwise False.
"""
(depname, depver, deptype) = depend
if (self._check_versioned_dependency(depname, depver, deptype) and
self._allowed_dependency(pkg, depname, seed, build_depend)):
virtual = None
elif self._allowed_virtual_dependency(pkg, deptype) and depname in self._provides:
virtual = depname
else:
if build_depend:
desc = "build-dependency"
elif recommends:
desc = "recommendation"
else:
desc = "dependency"
_logger.error("Unknown %s %s by %s", desc,
self._unparse_dependency(depname, depver, deptype),
pkg)
return False
dependlist = [depname]
if virtual is not None:
reallist = [ d for d in self._provides[virtual]
if d in self._packages and self._allowed_dependency(pkg, d, seed, build_depend) ]
if len(reallist):
depname = reallist[0]
# If the depending package isn't a d-i kernel module but the
# dependency is, then pick all the modules for other allowed
# kernel versions too.
if (self._packages[pkg]["Kernel-Version"] == "" and
self._packages[depname]["Kernel-Version"] != ""):
dependlist = [ d for d in reallist
if not self._di_kernel_versions or
self._packages[d]["Kernel-Version"] in self._di_kernel_versions ]
else:
dependlist = [depname]
_logger.info("Chose %s out of %s to satisfy %s",
", ".join(dependlist), virtual, pkg)
else:
_logger.error("Nothing to choose out of %s to satisfy %s",
virtual, pkg)
return False
return self._add_dependency(seed, pkg, dependlist, build_depend,
second_class, build_tree, recommends)
def _add_dependency_tree(self, seed, pkg, depends,
build_depend=False,
second_class=False,
build_tree=False,
recommends=False):
"""Add a package's dependency tree."""
if build_depend: build_tree = True
if build_tree: second_class = True
for deplist in depends:
for dep in deplist:
# TODO cjwatson 2008-07-02: At the moment this check will
# catch an existing Recommends and we'll never get as far as
# calling _remember_why with a dependency, so seed._reasons
# will be a bit inaccurate. We may need another pass for
# Recommends to fix this.
if self._already_satisfied(seed, pkg, dep, build_depend, second_class):
break
else:
firstdep = True
for dep in deplist:
if firstdep:
# For the first (preferred) alternative, we may
# consider promoting it from any lesser seed.
close = False
firstdep = False
else:
# Other alternatives are less favoured, and will
# only be promoted from closely-allied seeds.
close = True
if self._promote_dependency(seed, pkg, dep, close,
build_depend, second_class,
build_tree, recommends):
if len(deplist) > 1:
_logger.info("Chose %s to satisfy %s", dep[0], pkg)
break
else:
for dep in deplist:
if self._new_dependency(seed, pkg, dep,
build_depend,
second_class, build_tree,
recommends):
if len(deplist) > 1:
_logger.info("Chose %s to satisfy %s", dep[0],
pkg)
break
else:
if len(deplist) > 1:
_logger.error("Nothing to choose to satisfy %s",
pkg)
def _remember_why(self, reasons, pkg, why, build_tree=False,
recommends=False):
"""Remember why this package was added to the output for this seed."""
if pkg in reasons:
old_why, old_build_tree, old_recommends = reasons[pkg]
# Reasons from the dependency tree beat reasons from the
# build-dependency tree; but pick the first of either type that
# we see. Within either tree, dependencies beat recommendations.
if not old_build_tree and build_tree:
return
if old_build_tree == build_tree:
if not old_recommends or recommends:
return
reasons[pkg] = (why, build_tree, recommends)
def _add_package(self, seed, pkg, why,
second_class=False,
build_tree=False,
recommends=False):
"""Add a package and its dependency trees."""
if self._is_pruned(self._di_kernel_versions, pkg):
_logger.warning("Pruned %s from %s", pkg, seed)
return
if build_tree:
outerseeds = [self._supported(seed)]
else:
outerseeds = self._outer_seeds(seed)
for outerseed in outerseeds:
if outerseed is not None and pkg in outerseed._blacklist:
_logger.error("Package %s blacklisted in %s but seeded in %s "
"(%s)", pkg, outerseed, seed, why)
seed._blacklist_seen = True
return
if build_tree: second_class=True
output = self._output[seed.structure]
if pkg not in output._all:
output._all.add(pkg)
for innerseed in self._inner_seeds(seed):
if pkg in innerseed._build:
break
else:
seed._build.add(pkg)
if not build_tree:
for innerseed in self._inner_seeds(seed):
if pkg in innerseed._not_build:
break
else:
seed._not_build.add(pkg)
# Remember why the package was added to the output for this seed.
# Also remember a reason for "all" too, so that an aggregated list
# of all selected packages can be constructed easily.
self._remember_why(seed._reasons, pkg, why, build_tree, recommends)
self._remember_why(output._all_reasons, pkg, why, build_tree,
recommends)
for prov in self._packages[pkg]["Provides"]:
if prov[0][0] not in seed._pkgprovides:
seed._pkgprovides[prov[0][0]] = set()
seed._pkgprovides[prov[0][0]].add(pkg)
self._add_dependency_tree(seed, pkg,
self._packages[pkg]["Pre-Depends"],
second_class=second_class,
build_tree=build_tree)
self._add_dependency_tree(seed, pkg,
self._packages[pkg]["Depends"],
second_class=second_class,
build_tree=build_tree)
if (self._follow_recommends(seed.structure, seed) or
self._packages[pkg]["Section"] == "metapackages"):
self._add_dependency_tree(seed, pkg,
self._packages[pkg]["Recommends"],
second_class=second_class,
build_tree=build_tree,
recommends=True)
src = self._packages[pkg]["Source"]
if src not in self._sources:
_logger.error("Missing source package: %s (for %s)", src, pkg)
return
if second_class:
for innerseed in self._inner_seeds(seed):
if src in innerseed._build_srcs:
return
else:
for innerseed in self._inner_seeds(seed):
if src in innerseed._not_build_srcs:
return
if build_tree:
seed._build_sourcepkgs.add(src)
if src in output._blacklist:
seed._blacklisted.add(src)
else:
seed._not_build_srcs.add(src)
seed._sourcepkgs.add(src)
output._all_srcs.add(src)
seed._build_srcs.add(src)
self._add_dependency_tree(seed, pkg,
self._sources[src]["Build-Depends"],
build_depend=True)
self._add_dependency_tree(seed, pkg,
self._sources[src]["Build-Depends-Indep"],
build_depend=True)
def _rescue_includes(self, structure, seedname, rescue_seedname,
build_tree):
"""Rescue packages matching certain patterns from other seeds."""
output = self._output[structure]
try:
seed = self._get_seed(structure, seedname)
except KeyError:
return
if (rescue_seedname not in structure.names and
rescue_seedname != "extra"):
return
# Find all the source packages.
rescue_srcs = set()
if rescue_seedname == "extra":
rescue_seeds = self._inner_seeds(seed)
else:
rescue_seeds = [self._get_seed(structure, rescue_seedname)]
for one_rescue_seed in rescue_seeds:
if build_tree:
rescue_srcs |= one_rescue_seed._build_srcs
else:
rescue_srcs |= one_rescue_seed._not_build_srcs
# For each source, add any binaries that match the include/exclude
# patterns.
for src in rescue_srcs:
rescue = [p for p in self._sources[src]["Binaries"]
if p in self._packages]
included = set()
if rescue_seedname in seed._includes:
for include in seed._includes[rescue_seedname]:
included |= set(self._filter_packages(rescue, include))
if rescue_seedname in seed._excludes:
for exclude in seed._excludes[rescue_seedname]:
included -= set(self._filter_packages(rescue, exclude))
for pkg in included:
if pkg in output._all:
continue
for lesserseed in self._strictly_outer_seeds(seed):
if pkg in lesserseed._entries:
seed._entries.remove(pkg)
_logger.warning("Promoted %s from %s to %s due to "
"%s-Includes",
pkg, lesserseed, seed,
rescue_seedname.title())
break
_logger.debug("Rescued %s from %s to %s", pkg,
rescue_seedname, seed)
if build_tree:
seed._build_depends.add(pkg)
else:
seed._depends.add(pkg)
self._add_package(seed, pkg, RescueReason(src),
build_tree=build_tree)
# Accessors.
# ----------
def get_source(self, pkg):
"""Return the name of the source package that builds pkg."""
return self._packages[pkg]["Source"]
def is_essential(self, pkg):
"""Test whether pkg is Essential."""
return self._packages[pkg].get("Essential", "no") == "yes"
def _get_seed(self, structure, seedname):
"""Return the GerminatedSeed for this structure and seed name."""
full_seedname = self._make_seed_name(structure.branch, seedname)
return self._seeds[full_seedname]
def _get_seed_entries(self, structure, seedname):
"""Return the explicitly seeded entries for this seed.
This includes virtual SeedKernelVersions entries.
"""
seed = self._get_seed(structure, seedname)
output = set(seed._entries)
for innerseed in self._inner_seeds(seed):
if innerseed.name == seed.name:
continue
output -= innerseed._depends
# Take care to preserve the original ordering.
# Use a temporary variable to work around a pychecker bug.
ret = [e for e in seed._entries if e in output]
return ret
def get_seed_entries(self, structure, seedname):
"""Return the explicitly seeded entries for this seed."""
# Use a temporary variable to work around a pychecker bug.
ret = [
e for e in self._get_seed_entries(structure, seedname)
if not isinstance(e, SeedKernelVersions)]
return ret
def _get_seed_recommends_entries(self, structure, seedname):
"""Return the explicitly seeded Recommends entries for this seed.
This includes virtual SeedKernelVersions entries.
"""
seed = self._get_seed(structure, seedname)
output = set(seed._recommends_entries)
for innerseed in self._inner_seeds(seed):
if innerseed.name == seed.name:
continue
output -= innerseed._depends
# Take care to preserve the original ordering.
# Use a temporary variable to work around a pychecker bug.
ret = [e for e in seed._recommends_entries if e in output]
return ret
def get_seed_recommends_entries(self, structure, seedname):
"""Return the explicitly seeded Recommends entries for this seed."""
# Use a temporary variable to work around a pychecker bug.
ret = [
e for e in self._get_seed_recommends_entries(structure, seedname)
if not isinstance(e, SeedKernelVersions)]
return ret
def get_depends(self, structure, seedname):
"""Return the dependencies of this seed."""
return self._get_seed(structure, seedname).depends
def get_full(self, structure, seedname):
"""Return the full (run-time) dependency expansion of this seed."""
seed = self._get_seed(structure, seedname)
return (set(self.get_seed_entries(structure, seedname)) |
set(self.get_seed_recommends_entries(structure, seedname)) |
seed._depends)
def get_build_depends(self, structure, seedname):
"""Return the build-dependencies of this seed."""
output = set(self._get_seed(structure, seedname)._build_depends)
for outerseedname in structure.outer_seeds(seedname):
output -= self.get_full(structure, outerseedname)
return output
def get_all(self, structure):
"""Return all the packages in this structure."""
return list(self._output[structure]._all)
# Methods for writing output to files.
# ------------------------------------
def _write_list(self, reasons, filename, pkgset):
pkglist = sorted(pkgset)
pkg_len = len("Package")
src_len = len("Source")
why_len = len("Why")
mnt_len = len("Maintainer")
for pkg in pkglist:
_pkg_len = len(pkg)
if _pkg_len > pkg_len: pkg_len = _pkg_len
_src_len = len(self._packages[pkg]["Source"])
if _src_len > src_len: src_len = _src_len
_why_len = len(str(reasons[pkg][0]))
if _why_len > why_len: why_len = _why_len
_mnt_len = len(self._packages[pkg]["Maintainer"])
if _mnt_len > mnt_len: mnt_len = _mnt_len
size = 0
installed_size = 0
with AtomicFile(filename) as f:
print("%-*s | %-*s | %-*s | %-*s | %-15s | %-15s" %
(pkg_len, "Package",
src_len, "Source",
why_len, "Why",
mnt_len, "Maintainer",
"Deb Size (B)",
"Inst Size (KB)"), file=f)
print(("-" * pkg_len) + "-+-" + ("-" * src_len) + "-+-"
+ ("-" * why_len) + "-+-" + ("-" * mnt_len) + "-+-"
+ ("-" * 15) + "-+-" + ("-" * 15) + "-", file=f)
for pkg in pkglist:
size += self._packages[pkg]["Size"]
installed_size += self._packages[pkg]["Installed-Size"]
print("%-*s | %-*s | %-*s | %-*s | %15d | %15d" %
(pkg_len, pkg,
src_len, self._packages[pkg]["Source"],
why_len, reasons[pkg][0],
mnt_len, self._packages[pkg]["Maintainer"],
self._packages[pkg]["Size"],
self._packages[pkg]["Installed-Size"]), file=f)
print(("-" * (pkg_len + src_len + why_len + mnt_len + 9))
+ "-+-" + ("-" * 15) + "-+-" + ("-" * 15) + "-", file=f)
print("%*s | %15d | %15d" %
((pkg_len + src_len + why_len + mnt_len + 9), "",
size, installed_size), file=f)
def _write_source_list(self, filename, srcset):
srclist = sorted(srcset)
src_len = len("Source")
mnt_len = len("Maintainer")
for src in srclist:
_src_len = len(src)
if _src_len > src_len: src_len = _src_len
_mnt_len = len(self._sources[src]["Maintainer"])
if _mnt_len > mnt_len: mnt_len = _mnt_len
with AtomicFile(filename) as f:
fmt = "%-*s | %-*s"
print(fmt % (src_len, "Source", mnt_len, "Maintainer"), file=f)
print(("-" * src_len) + "-+-" + ("-" * mnt_len) + "-", file=f)
for src in srclist:
print(fmt % (src_len, src, mnt_len,
self._sources[src]["Maintainer"]), file=f)
def write_full_list(self, structure, filename, seedname):
"""Write the full (run-time) dependency expansion of this seed."""
seed = self._get_seed(structure, seedname)
self._write_list(seed._reasons, filename,
self.get_full(structure, seedname))
def write_seed_list(self, structure, filename, seedname):
"""Write the explicitly seeded entries for this seed."""
seed = self._get_seed(structure, seedname)
self._write_list(seed._reasons, filename,
self.get_seed_entries(structure, seedname))
def write_seed_recommends_list(self, structure, filename, seedname):
"""Write the explicitly seeded Recommends entries for this seed."""
seed = self._get_seed(structure, seedname)
self._write_list(seed._reasons, filename,
self.get_seed_recommends_entries(structure, seedname))
def write_depends_list(self, structure, filename, seedname):
"""Write the dependencies of this seed."""
seed = self._get_seed(structure, seedname)
self._write_list(seed._reasons, filename, seed._depends)
def write_build_depends_list(self, structure, filename, seedname):
"""Write the build-dependencies of this seed."""
seed = self._get_seed(structure, seedname)
self._write_list(seed._reasons, filename,
self.get_build_depends(structure, seedname))
def write_sources_list(self, structure, filename, seedname):
"""Write the source packages for this seed and its dependencies."""
seed = self._get_seed(structure, seedname)
self._write_source_list(filename, seed._sourcepkgs)
def write_build_sources_list(self, structure, filename, seedname):
"""Write the source packages for this seed's build-dependencies."""
seed = self._get_seed(structure, seedname)
build_sourcepkgs = seed._build_sourcepkgs
for buildseedname in structure.names:
buildseed = self._get_seed(structure, buildseedname)
build_sourcepkgs -= buildseed._sourcepkgs
self._write_source_list(filename, build_sourcepkgs)
def write_all_list(self, structure, filename):
"""Write all the packages in this structure."""
all_bins = set()
for seedname in structure.names:
all_bins |= self.get_full(structure, seedname)
all_bins |= self.get_build_depends(structure, seedname)
self._write_list(self._output[structure]._all_reasons, filename,
all_bins)
def write_all_source_list(self, structure, filename):
"""Write all the source packages for this structure."""
all_srcs = set()
for seedname in structure.names:
seed = self._get_seed(structure, seedname)
all_srcs |= seed._sourcepkgs
all_srcs |= seed._build_sourcepkgs
self._write_source_list(filename, all_srcs)
def write_supported_list(self, structure, filename):
"""Write the "supported+build-depends" list."""
sup_bins = set()
for seedname in structure.names:
if seedname == structure.supported:
sup_bins |= self.get_full(structure, seedname)
# Only include those build-dependencies that aren't already in
# the dependency outputs for inner seeds of supported. This
# allows supported+build-depends to be usable as an "everything
# else" output.
build_depends = set(self.get_build_depends(structure, seedname))
for innerseedname in structure.inner_seeds(structure.supported):
build_depends -= self.get_full(structure, innerseedname)
sup_bins |= build_depends
self._write_list(self._output[structure]._all_reasons, filename,
sup_bins)
def write_supported_source_list(self, structure, filename):
"""Write the "supported+build-depends" sources list."""
sup_srcs = set()
for seedname in structure.names:
seed = self._get_seed(structure, seedname)
if seedname == structure.supported:
sup_srcs |= seed._sourcepkgs
# Only include those build-dependencies that aren't already in
# the dependency outputs for inner seeds of supported. This
# allows supported+build-depends to be usable as an "everything
# else" output.
build_sourcepkgs = set(seed._build_sourcepkgs)
for innerseed in self._inner_seeds(self._supported(seed)):
build_sourcepkgs -= innerseed._sourcepkgs
sup_srcs |= build_sourcepkgs
self._write_source_list(filename, sup_srcs)
def write_all_extra_list(self, structure, filename):
"""Write the "all+extra" list."""
output = self._output[structure]
self._write_list(output._all_reasons, filename, output._all)
def write_all_extra_source_list(self, structure, filename):
"""Write the "all+extra" sources list."""
output = self._output[structure]
self._write_source_list(filename, output._all_srcs)
def write_rdepend_list(self, structure, filename, pkg):
"""Write a detailed analysis of reverse-dependencies."""
# First, build a cache of entries for each seed.
output = self._output[structure]
if output._rdepends_cache_entries is None:
cache_entries = {}
for seedname in output._seednames:
cache_entries[seedname] = self.get_seed_entries(
structure, seedname)
output._rdepends_cache_entries = cache_entries
# Then write out the list itself.
with AtomicFile(filename) as f:
print(pkg, file=f)
self._write_rdepend_list(structure, f, pkg, "", done=set())
def _write_rdepend_list(self, structure, f, pkg, prefix, stack=None,
done=None):
if stack is None:
stack = []
else:
stack = list(stack)
if pkg in stack:
print(prefix + "! loop", file=f)
return
stack.append(pkg)
if done is None:
done = set()
elif pkg in done:
print(prefix + "! skipped", file=f)
return
done.add(pkg)
output = self._output[structure]
cache_entries = output._rdepends_cache_entries
for seedname in output._seednames:
if pkg in cache_entries[seedname]:
print(prefix + "*", seedname.title(), "seed", file=f)
if "Reverse-Depends" not in self._packages[pkg]:
return
for field in ("Pre-Depends", "Depends", "Recommends",
"Build-Depends", "Build-Depends-Indep"):
if field not in self._packages[pkg]["Reverse-Depends"]:
continue
i = 0
print(prefix + "*", "Reverse", field + ":", file=f)
for dep in self._packages[pkg]["Reverse-Depends"][field]:
i += 1
print(prefix + " +- " + dep, file=f)
if field.startswith("Build-"):
continue
if i == len(self._packages[pkg]["Reverse-Depends"][field]):
extra = " "
else:
extra = " | "
self._write_rdepend_list(structure, f, dep, prefix + extra,
stack, done)
def write_provides_list(self, structure, filename):
"""Write a summary of which packages satisfied Provides."""
output = self._output[structure]
with AtomicFile(filename) as f:
all_pkgprovides = {}
for seedname in output._seednames:
seed = self._get_seed(structure, seedname)
for prov, provset in seed._pkgprovides.iteritems():
if prov not in all_pkgprovides:
all_pkgprovides[prov] = set()
all_pkgprovides[prov].update(provset)
for prov in sorted(all_pkgprovides.keys()):
print(prov, file=f)
for pkg in sorted(all_pkgprovides[prov]):
print("\t%s" % (pkg,), file=f)
print(file=f)
def write_blacklisted(self, structure, filename):
"""Write the list of blacklisted packages we encountered."""
output = self._output[structure]
with AtomicFile(filename) as fh:
all_blacklisted = set()
for seedname in output._seednames:
seed = self._get_seed(structure, seedname)
all_blacklisted.update(seed._blacklisted)
for pkg in sorted(all_blacklisted):
blacklist = output._blacklist[pkg]
fh.write('%s\t%s\n' % (pkg, blacklist))
|