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# Part of the A-A-P recipe executive: Install a package
# Copyright (C) 2002-2003 Stichting NLnet Labs
# Permission to copy and use this file is specified in the file COPYING.
# If this file is missing you can find it here: http://www.a-a-p.org/COPYING
import os.path
from Util import *
from RecPython import *
from RecPos import RecPos
from Message import *
from CopyMove import remote_copy_move
from DoRead import doread
from DoAddDef import doadddef
from DoBuild import dobuild
def doinstall(pkgname):
"""
Install package "pkgname".
Returns zero for success, non-zero for an error.
"""
return install_pkg([RecPos("install package")], {}, pkgname)
def assert_pkg(rpstack, recdict, pkgname, optional = 0):
"""
Assert that package "pkgname" is installed.
Install it when it isn't present.
"""
# Check if a command with the package name exists.
while 1:
if program_path(pkgname):
return;
# Can't find it, ask the user what to do.
if optional:
opt = "c. Continue anyway\n"
else:
opt = ""
r = raw_input(('Cannot find package "%s"!\n' % pkgname) +
("1. Let Aap attempt installing the package\n"
"2. Retry (install it yourself first)\n"
"%s"
"q. Quit\n"
"Choice: " % opt))
if not r:
continue
if optional and (r[0] == "c" or r[0] == 'C'):
return;
if r[0] == "q" or r[0] == 'Q':
recipe_error(rpstack, _('Package "%s" was not found') % pkgname)
if r[0] == "1":
break
# Install the package.
install_pkg(rpstack, recdict, pkgname)
def install_pkg(rpstack, recdict, pkgname):
"""
Install package "pkgname".
"""
# Decide what directory the package recipes are located in.
# E.g., for Unix: ~/.aap/packages/pkgname/
home = home_dir()
if not home:
recipe_error(rpstack, _('No $HOME found'))
return None
pkgdir = os.path.join(home, "packages", pkgname)
# Create the directory when needed.
try:
assert_dir(rpstack, recdict, pkgdir)
except StandardError, e:
recipe_error(rpstack, (_('Cannot create directory "%s": ') % pkgdir)
+ str(e))
try:
# Change directory to where package recipes are located.
# Remember the current directory, so that we can go back.
old_cwd = os.getcwd()
try:
goto_dir(recdict, pkgdir)
except StandardError, e:
recipe_error(rpstack, (_('Cannot change to directory "%s": ')
% pkgdir) + str(e))
# Obtain the bootstrap recipe from the A-A-P web server.
recipe = "boot.aap"
url = ("http://www.a-a-p.org/package.php?package=%s&osname=%s"
% (pkgname, osname()))
failed = remote_copy_move(rpstack, recdict, 1,
[ {"name" : url } ], {"name" : recipe},
{"force": 1}, 0, errmsg = 1)
if failed:
recipe_error(rpstack, _('Cannot obtain package recipe for "%s"')
% pkgname)
# Create a Work object and fill it with the recipe contents.
work = doread(0, recipe = recipe)
recdict = work.recdict
# Note: we don't add the default dependencies (install, clean) here.
# Execute the recipe.
if has_target(recdict, "all"):
# This normally downloads and builds the package.
dobuild(work, "all")
if has_target(recdict, "install"):
# Found an install target, execute it.
dobuild(work, "install")
else:
# No install target, something must have gone wrong.
msg_error(recdict,
_("Package recipe does not contain an install target"))
finally:
# Go back to the directory where we started.
goto_dir(recdict, old_cwd)
return work
# vim: set sw=4 et sts=4 tw=79 fo+=l:
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