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#!/usr/bin/python
# -*- coding: utf-8 -*-
""" Checks what slots are used for a package in its reverse dependencies. """
import portage
import sys
#from pprint import pprint
def main():
trees = portage.create_trees()
trees["/"]["porttree"].settings = portage.settings
portdb = trees["/"]["porttree"]
portdb.dbapi.settings = portage.settings
portdb.dbapi.porttrees = [portage.portdb.porttree_root]
# does it make sense to remove _all_ useless stuff or just leave it as it is?
#portdb.dbapi._aux_cache_keys.clear()
#portdb.dbapi._aux_cache_keys.update(["EAPI", "KEYWORDS", "SLOT"])
res_slots = {}
# Loop through all package names
for cp in portdb.dbapi.cp_all():
#print(cp)
# Get versions
cpvrs = portdb.dbapi.xmatch('match-all', cp)
# Group by slots
slots = {}
for cpvr in cpvrs:
slot = portdb.dbapi.aux_get(cpvr, ["SLOT"])[0]
if slot is None:
slot = 0
if not slot in slots:
slots[slot] = []
slots[slot].append(cpvr)
# XXX: Walk through slots (walk twice for ~arch and arch)
for slot in sorted(slots):
cpvr = portage.versions.best(slots[slot])
depends = portdb.dbapi.aux_get(cpvr, ['DEPEND', 'RDEPEND', 'PDEPEND'])
depends = set(portage.dep.use_reduce(' '.join(depends), matchall=True, flat=True))
depends = [dep for dep in depends if portage.dep.isvalidatom(dep)]
#print('DEPEND:')
#pprint(depends)
for depend in depends:
if portage.dep.dep_getkey(depend) == sys.argv[1]:
mypkg_slot = portage.dep.dep_getslot(depend)
if mypkg_slot is None:
mypkg_slot = "unset"
if mypkg_slot not in res_slots:
res_slots[mypkg_slot] = [(cpvr, depend)]
else:
res_slots[mypkg_slot].append((cpvr, depend))
#print(portage.dep.dep_getkey(depend) + ' uses ' + sys.argv[1] + ' slot ' + portage.dep.dep_getslot(depend))
for slot in sorted(res_slots):
print('%s:%s' % (sys.argv[1], slot))
for rescpv in res_slots[slot]:
print(' %s (as %s)' % rescpv)
if __name__ == "__main__":
main()
## vim:set sts=4 ts=4 sw=4 expandtab:
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