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# Copyright: 2005 Gentoo Foundation
# Author(s): Brian Harring (ferringb@gentoo.org)
# License: GPL2
# $Header: /local/data/ulm/cvs/history/var/cvsroot/gentoo-src/portage/portage/vdb/repository.py,v 1.2 2005/07/13 05:51:35 ferringb Exp $
# hack, remove when it's fixed
raise Exception("sorry, this won't work with current portage namespace layout. plsfix, kthnx")
import os,stat
import prototype, errors
#needed to grab the PN
import portage_versions
class tree(prototype.tree):
def __init__(self, base):
super(tree,self).__init__()
self.base = base
try:
st = os.lstat(self.base)
if not stat.S_ISDIR(st.st_mode):
raise errors.InitializationError("base not a dir: %s" % self.base)
elif not st.st_mode & (os.X_OK|os.R_OK):
raise errors.InitializationError("base lacks read/executable: %s" % self.base)
except OSError:
raise errors.InitializationError("lstat failed on base %s" % self.base)
def _get_categories(self, *optionalCategory):
# return if optionalCategory is passed... cause it's not yet supported
if len(optionalCategory):
return {}
try: return tuple([x for x in os.listdir(self.base) \
if stat.S_ISDIR(os.lstat(os.path.join(self.base,x)).st_mode) and x != "All"])
except (OSError, IOError), e:
raise KeyError("failed fetching categories: %s" % str(e))
def _get_packages(self, category):
cpath = os.path.join(self.base,category.lstrip(os.path.sep))
l=[]
try:
for x in os.listdir(cpath):
if stat.S_ISDIR(os.stat(os.path.join(cpath,x)).st_mode) and not x.endswith(".lockfile"):
l.append(portage_versions.pkgsplit(x)[0])
return tuple(l)
except (OSError, IOError), e:
raise KeyError("failed fetching packages for category %s: %s" % \
(os.path.join(self.base,category.lstrip(os.path.sep)), str(e)))
def _get_versions(self, catpkg):
pkg = catpkg.split("/")[-1]
l=[]
try:
cpath=os.path.join(self.base, os.path.dirname(catpkg.lstrip("/").rstrip("/")))
for x in os.listdir(cpath):
if x.startswith(pkg) and stat.S_ISDIR(os.stat(os.path.join(cpath,x)).st_mode) and not x.endswith(".lockfile"):
ver=portage_versions.pkgsplit(x)
#pkgsplit returns -r0, when it's not always there
if ver[2] == "r0":
if x.endswith(ver[2]):
l.append("%s-%s" % (ver[1], ver[2]))
else:
l.append(ver[1])
else:
l.append("%s-%s" % (ver[1], ver[2]))
return tuple(l)
except (OSError, IOError), e:
raise KeyError("failed fetching packages for package %s: %s" % \
(os.path.join(self.base,catpkg.lstrip(os.path.sep)), str(e)))
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