#!/usr/bin/python3
# public domain
import apt_pkg
import apt.cache
import re
import time
import os
apt_pkg.init()
def flatten_once(lst):
for sublst in lst:
for elem in sublst:
yield elem
def traverse(pc, c, interm_all_pkgs, seen=()):
ret = False
for dep in flatten_once(c.dependencies):
if dep.name in seen:
continue
try:
depc = pc[dep.name].candidate
except KeyError:
continue
if depc is None:
continue
if depc.record.get("Multi-Arch") == "foreign":
continue
if depc.architecture == 'all':
if dep.name in interm_all_pkgs: # short cut
ret = True
elif traverse(pc, depc, interm_all_pkgs, seen + (dep.name,)):
interm_all_pkgs.add(dep.name)
ret = True
else:
ret = True
return ret
def main():
rootdir = os.path.expanduser("~/.chdist/sid")
pc = apt.cache.Cache(rootdir=rootdir)
interm_all_pkgs = set()
for p in pc:
c = p.candidate
if not c:
continue
if c.architecture != 'amd64':
continue
for dep in flatten_once(c.dependencies):
try:
depc = pc[dep.name].candidate
except KeyError:
continue
if depc is None:
continue
if depc.architecture != 'all':
continue
if depc.record.get("Multi-Arch") == "foreign":
continue
if traverse(pc, depc, interm_all_pkgs):
interm_all_pkgs.add(dep.name)
groups = [
("Java", re.compile("^java:lib.*-java$")),
("Mono", re.compile("^cli-mono:libmono-.*-cil$")),
("Perl", re.compile("^perl:lib.*-perl$")),
("Python", re.compile("^(python|zope):python3?-")),
("Ruby", re.compile("^ruby:ruby-")),
("Node", re.compile("^web:node-")),
("R", re.compile("^gnu-r:r-(cran|bioc)-")),
("Go", re.compile("^devel:golang-.*-dev$")),
("cross libs", re.compile("^(lib)?devel:lib.*-.*-cross$")),
("-common and -data", re.compile(".*-(common|data)$")),
]
summary = {}
pkgs = []
for p in interm_all_pkgs:
c = pc[p]
found = "Others"
for name, pattern in groups:
if pattern.match("%s:%s" % (c.candidate.section, p)):
found = name
break
summary[found] = summary.get(found, 0) + 1
pkgs.append((c.candidate.section, p))
summary = sorted(summary.items(), key=lambda pair: -pair[1])
pkgs.sort()
print("""Multiarch interpreter issue size
Multiarch interpreter issue size
""")
print("Last updated: %s
" % time.asctime())
print("Total affected packages: %d
" % len(pkgs))
print("This page lists architecture independent packages from sid/amd64 that are on a dependency path from an architecture dependent package to another architecture dependent package.
")
print("Summary
")
print("| Group | affected packages |
|---|
")
for item in summary:
print("| %s | %d |
" % item)
print("
")
print("Details
")
print("| Section | Package |
|---|
")
for item in pkgs:
print("| %s | %s |
" % item)
print("
")
print(" Source at people.d.o:/home/helmutg/multiarch_interpreter_workaround.py
")
if __name__ == "__main__":
main()