Pisilinux3/pisi
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* packagedb'yi cogaltmaya basla

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* repodb'ye basla
* installer'i biraz duzenle
* temizlik
This commit is contained in:
Eray Özkural
2005-07-24 19:48:07 +00:00
parent 5c920137da
commit 6be64b8191
5 changed files with 90 additions and 54 deletions
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pisi/install.py
+50 -38
View File
@@ -10,7 +10,7 @@ from config import config
from constants import const
from ui import ui
from installdb import installdb
from packagedb import packagedb
from packagedb import packagedb, inst_packagedb
import dependency
from metadata import MetaData
import comariface
@@ -22,19 +22,32 @@ class InstallError(Exception):
class Installer:
"Installer class, provides install routines for pisi packages"
def __init__(self, package_fname):
self.package = Package(package_fname)
self.package.read()
self.metadata = self.package.metadata
self.files = self.package.files
def install(self):
self.pkginfo = self.metadata.package
self.check_requirements()
self.check_relations()
self.reinstall()
self.extractInstall()
self.storePisiFiles()
self.registerCOMARScripts()
self.update_databases()
def extractInstall(self):
"unzip package in place"
ui.info('Extracting files\n')
self.package.extract_dir_flat('install', config.destdir)
def storePisiFiles(self):
# put files.xml, metadata.xml, actions.py and COMAR scripts
# somewhere in the file system. We'll need these in future...
"""put files.xml, metadata.xml, actions.py and COMAR scripts
somewhere in the file system. We'll need these in future..."""
ui.info('Storing %s\n' % const.files_xml)
self.package.extract_file(const.files_xml, self.package.pkg_dir())
@@ -50,7 +63,8 @@ class Installer:
self.package.extract_file(fpath, self.package.pkg_dir())
def registerCOMARScripts(self):
# register COMAR scripts
"register COMAR scripts"
for pcomar in self.metadata.package.providesComar:
scriptPath = os.path.join(self.package.comar_dir(),pcomar.script)
ui.info("Registering COMAR script %s\n" % pcomar.script)
@@ -60,72 +74,70 @@ class Installer:
if not ret:
ui.error("registerScript failed. Be sure that comard is running!\n")
def check_requirements(self):
"""check system requirements"""
#TODO: IS THERE ENOUGH SPACE?
# what to do if / is split into /usr, /var, etc.
pass
def install(self):
# check file system requirements
# what to do if / is split into /usr, /var, etc.?
pkginfo = self.metadata.package
def check_relations(self):
# check if package is in database
if not packagedb.has_package(pkginfo.name):
packagedb.add_package(pkginfo) # terrible solution it seems
# TODO: when repodb comes alive, this will put it into 3rd
# party packagedb
if not packagedb.has_package(self.pkginfo.name):
packagedb.add_package(self.pkginfo) # terrible solution it seems
# check conflicts
for pkg in self.metadata.package.conflicts:
if installdb.has_package(pkginfo):
if installdb.has_package(self.pkginfo):
raise InstallError("Package conflicts " + pkg)
# check dependencies
if not dependency.installable(pkginfo.name):
ui.error('Dependencies for ' + pkginfo.name +
if not dependency.installable(self.pkginfo.name):
ui.error('Dependencies for ' + self.pkginfo.name +
' not satisfied\n')
raise InstallError("Package not installable")
if installdb.is_installed(pkginfo.name): # is this a reinstallation?
(iversion, irelease) = installdb.get_version(pkginfo.name)
def reinstall(self):
"check reinstall, confirm action, and remove package if reinstall"
if pkginfo.version == iversion and pkginfo.release == irelease:
if installdb.is_installed(self.pkginfo.name): # is this a reinstallation?
(iversion, irelease) = installdb.get_version(self.pkginfo.name)
if self.pkginfo.version == iversion and self.pkginfo.release == irelease:
if not ui.confirm('Re-install same version package?'):
raise InstallError('Package re-install declined')
else:
upgrade = False
# is this an upgrade?
# determine and report the kind of upgrade: version, release, build
if pkginfo.version > iversion:
if self.pkginfo.version > iversion:
ui.info('Upgrading to new upstream version')
upgrade = True
elif pkginfo.release > irelease:
elif self.pkginfo.release > irelease:
ui.info('Upgrading to new distribution release')
upgrade = True
# is this a downgrade? confirm this action.
if not upgrade:
if pkginfo.version < iversion:
if self.pkginfo.version < iversion:
x = 'Downgrade to old upstream version?'
elif pkginfo.release < irelease:
elif self.pkginfo.release < irelease:
x = 'Downgrade to old distribution release?'
if not ui.confirm(x):
raise InstallError('Package downgrade declined')
# remove old package then
operations.remove(pkginfo.name)
operations.remove(self.pkginfo.name)
# unzip package in place
self.extractInstall()
# store files.xml, metadata.xml and comar scripts for further usage
self.storePisiFiles()
# register comar scripts
self.registerCOMARScripts()
# update databases
def update_databases(self):
"update databases"
# installdb
installdb.install(self.metadata.package.name,
self.metadata.package.version,
self.metadata.package.release,
os.path.join(self.package.pkg_dir(), 'files.xml'))
self.metadata.package.release)
# installed packages
inst_packagedb.add_package(self.pkginfo)
pisi/installdb.py
+1 -9
View File
@@ -72,17 +72,12 @@ class InstallDB:
else:
return False
def install(self, pkg, version, release, files_xml):
def install(self, pkg, version, release):
"""install package with specific version and release"""
pkg = str(pkg)
if self.is_installed(pkg):
raise InstallDBError("already installed")
self.d[pkg] = ('i', version, release)
# files dosyasını config.lib_dir()+name+version+release+/files
# altına saklıyoruz zaten. bu yüzden bu işleme gerek
# yok. Paketin diğer dosyaları ile birlikte aynı dizin
# hiyerarşisi altında durması daha iyi...
# util.copy_file(files_xml, self.files_name(pkg, version, release))
def remove(self, pkg):
pkg = str(pkg)
@@ -93,9 +88,6 @@ class InstallDB:
pkg = str(pkg)
if self.d.has_key(pkg):
(status, version, release) = self.d[pkg]
#f = self.files_name(pkg, version, release)
#if util.check_file(f):
# os.unlink(f)
del self.d[pkg]
installdb = InstallDB()
pisi/operations.py
+1 -4
View File
@@ -6,7 +6,6 @@ from ui import ui
from purl import PUrl
import util
# all package operation interfaces are here
def remove(package_name):
@@ -59,9 +58,7 @@ def install(pkg):
def install_package(pkg_location):
from install import Installer
i = Installer(pkg_location)
i.install()
Installer(pkg_location).install()
def info(package_name):
pisi/packagedb.py
+4 -3
View File
@@ -18,9 +18,9 @@ from bsddb import db
class PackageDB(object):
"""PackageDB class provides an interface to the package database with
a delegated dbshelve object"""
def __init__(self):
def __init__(self, id):
util.check_dir(config.db_dir())
filename = os.path.join(config.db_dir(), 'package.bdb')
filename = os.path.join(config.db_dir(), 'package-' + id + '.bdb')
self.d = shelve.open(filename)
self.fdummy = open(filename)
fcntl.flock(self.fdummy, fcntl.LOCK_EX)
@@ -48,5 +48,6 @@ class PackageDB(object):
name = str(name)
del self.d[name]
packagedb = PackageDB()
packagedb = PackageDB('repo')
inst_packagedb = PackageDB('local')
pisi/repodb.py
+34
View File
@@ -0,0 +1,34 @@
# Author: Eray Ozkural
class RepoDB(object):
"""RepoDB maps repo ids to distribution information"""
def __init__(self):
filename = os.path.join(config.db_dir(), 'repo.bdb')
self.d = shelve.open(filename)
self.fdummy = open(filename)
fcntl.flock(self.fdummy, fcntl.LOCK_EX)
def __del__(self):
#fcntl.flock(self.fdummy, fcntl.LOCK_UN)
self.fdummy.close()
def has_distro(self, name):
name = str(name)
return self.d.has_key(name)
def get_distro(self, name):
name = str(name)
return self.d[name]
def add_distro(self, dist_info):
name = str(dist_info.name)
self.d[name] = dist_info
def clear(self):
self.d.clear()
def remove_repo(self, name):
name = str(name)
del self.d[name]
repodb = RepoDB()