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# Copyright: 2005 Gentoo Foundation
# Author(s): Brian Harring (ferringb@gentoo.org)
# License: GPL2
# $Id$
import os, re, stat, types
from portage.cache import flat_hash
import portage.eclass_cache
from portage.cache.template import reconstruct_eclasses
from portage.cache.mappings import ProtectedDict
# this is the old cache format, flat_list. count maintained here.
magic_line_count = 22
# store the current key order *here*.
class database(flat_hash.database):
complete_eclass_entries = False
auxdbkey_order=('DEPEND', 'RDEPEND', 'SLOT', 'SRC_URI',
'RESTRICT', 'HOMEPAGE', 'LICENSE', 'DESCRIPTION',
'KEYWORDS', 'INHERITED', 'IUSE', 'CDEPEND',
'PDEPEND', 'PROVIDE', 'EAPI', 'PROPERTIES')
autocommits = True
_hashed_re = re.compile('^(\\w+)=([^\n]*)')
def __init__(self, location, *args, **config):
loc = location
super(database, self).__init__(location, *args, **config)
self.location = os.path.join(loc, "metadata","cache")
self.ec = portage.eclass_cache.cache(loc)
def __getitem__(self, cpv):
return flat_hash.database.__getitem__(self, cpv)
def _parse_data(self, data, cpv):
_hashed_re_match = self._hashed_re.match
data = list(data)
d = {}
for line in data:
hashed = False
hashed_match = _hashed_re_match(line)
if hashed_match is None:
d.clear()
try:
for i, key in enumerate(self.auxdbkey_order):
d[key] = data[i].rstrip("\n")
except IndexError:
pass
break
else:
d[hashed_match.group(1)] = hashed_match.group(2)
if "_eclasses_" not in d:
if "INHERITED" in d:
d["_eclasses_"] = self.ec.get_eclass_data(d["INHERITED"].split(), from_master_only=True)
del d["INHERITED"]
else:
d["_eclasses_"] = {}
elif isinstance(d["_eclasses_"], basestring):
# We skip this if flat_hash.database._parse_data() was called above
# because it calls reconstruct_eclasses() internally.
d["_eclasses_"] = reconstruct_eclasses(None, d["_eclasses_"])
for x in self._known_keys:
d.setdefault(x, '')
return d
def _setitem(self, cpv, values):
flat_hash.database._setitem(self, cpv, values)
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