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# Copyright 2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-src/portage/pym/Attic/portage_db_flat.py,v 1.13.2.6 2005/04/19 07:14:17 ferringb Exp $
cvs_id_string="$Id: portage_db_flat.py,v 1.13.2.6 2005/04/19 07:14:17 ferringb Exp $"[5:-2]
import os, portage_db_flat_hash, portage_db_flat
class database(portage_db_flat_hash.database):
def get_values(self, key):
if not key:
raise KeyError("key is not valid")
try:
myf = open(self.fullpath + key, "r")
except OSError:
raise KeyError("key is not valid")
mtime = os.fstat(myf.fileno()).st_mtime
data = myf.read().splitlines()
# easy attempt first.
if len(data) != portage_db_flat.magic_line_count:
d = dict(map(lambda x: x.split("=",1), data))
d["_mtime_"] = mtime
return portage_db_flat_hash.database.get_values(self, key, d)
# this one's interesting.
d = {}
for line in data:
# yes, meant to iterate over a string.
hashed = False
for idx, c in enumerate(line):
if not c.isalpha():
if c == "=" and idx > 0:
hashed = True
d[line[:idx]] = line[idx + 1:]
elif c == "_" or c.isdigit():
continue
break
elif not c.isupper():
break
if not hashed:
# non hashed.
data.append(mtime)
return portage_db_flat.database.get_values(self, key, data=data)
d["_mtime_"] = mtime
return portage_db_flat_hash.database.get_values(self, key, data=d)
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