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# Fedora Developer Shell
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# Authors: Yaakov M. Nemoy <ynemoy@redhat.com>
#
from __future__ import with_statement
from os import listdir, getcwd
from os.path import expanduser, expandvars, abspath
from re import compile, DOTALL
from subprocess import Popen
from urllib import urlopen, urlretrieve
from base.base import log
from base.module import Module
from base.exceptions import ExecutionException
from base.util import pwd, one
from base.vars import orig_src_dir, haskell_compiler
from modules.dirfactory import DirFactory
from modules.sourceball import SourceBall
class Cabal(Module):
def __init__(self, name, root='~/haskell'):
self.name = name
self.root = expanduser(root)
with pwd(self.root):
self.package = DirFactory(name)
self.original = orig_src_dir
self.compiler = haskell_compiler
def copy_in(self, tarball):
tarball = abspath(tarball)
with pwd(self.root):
self.package.add_sourceball(tarball)
def find_setup(self, orig=''):
setup_re = compile("Setup\.l?hs")
return one(listdir(getcwd()), setup_re.search)
def compile_setup(self, orig=''):
log.debug('code_dir is ' + self.package.code_dir)
with pwd(self.package.code_dir):
with file('ghc.log', 'a') as ghc_out:
log.debug('ghc.log file is ' + str(ghc_out))
log.debug('source_dir is ' + self.package.source_dir(orig))
with pwd(self.package.source_dir(orig)):
setup_f = self.find_setup(orig)
p = Popen([self.compiler, '--make', setup_f],
stdout = ghc_out, stderr = ghc_out)
log.info('Building %s, please wait...' % setup_f)
p.wait()
def configure(self, target='home', orig=''):
user = True if target == 'home' else False
self.compile_setup(orig)
with pwd(self.package.code_dir):
with file('cabal.log', 'a') as cabal_out:
log.debug('source_dir is ' + self.package.source_dir(orig))
with pwd(self.package.source_dir(orig)):
args = [abspath('Setup'), 'configure'] + \
(['--user', '--prefix=' + expanduser('~')] if user else [])
p = Popen(args, stdout=cabal_out, stderr=cabal_out)
log.info('Configuring %s, please wait...' % self.name)
p.wait()
def build(self, orig=''):
'''This is not safe to run on an unconfigured source dir'''
self.compile_setup(orig)
with pwd(self.package.code_dir):
with file('cabal.log', 'a') as cabal_out:
with pwd(self.package.source_dir(orig)):
args = [abspath('Setup'), 'build']
p = Popen(args, stdout=cabal_out, stderr=cabal_out)
log.info('Building %s, please wait...' % self.name)
p.wait()
def install(self, orig=''):
'''This is not safe to run on an unconfigured source dir'''
self.compile_setup(orig)
with pwd(self.package.code_dir):
with file('cabal.log', 'a') as cabal_out:
with pwd(self.package.source_dir(orig)):
args = [abspath('Setup'), 'install']
p = Popen(args, stdout=cabal_out, stderr=cabal_out)
log.info('Building %s, please wait...' % self.name)
p.wait()
def install_source(self, target='home', orig=''):
self.configure(target, orig)
self.build(orig)
self.install(orig)
def install_sourceball(self, tarball, target='home'):
self.copy_in(tarball)
self.install_source(target, '')
def get_from_hackage(self, pkg, ver):
sb_file = self.hackage_url(pkg, ver)
self.copy_in(sb_file)
def get_latest(self, pkg):
ver = self.latest_version(pkg)
self.get_from_hackage(pkg, ver)
def install_from_hackage(self, pkg, ver, target='home'):
self.get_from_hackage(pkg, ver)
self.install_source(target, '')
def install_latest(self, pkg, target='home'):
self.get_latest(pkg)
self.install_source(target, '')
def source_dir(self, *args):
with pwd(self.package.code_dir):
return abspath(self.package.cfg['source'] + (self.orig_src_dir if original else ""))
def latest_version(self, pkg):
hackage_title = compile(r'<title.*?>HackageDB: (.*)-(.*)</title.*?>', DOTALL)
site = 'http://hackage.haskell.org/cgi-bin/hackage-scripts/package/' + pkg
u = urlopen(site)
page = u.read()
match = hackage_title.search(page)
groups = match.groups()
print groups
if pkg == groups[0]:
return groups[1]
else:
raise ExecutionException("package does not match package name, can't determine version, sorry")
def hackage_url(self, pkg, ver):
return 'http://hackage.haskell.org/packages/archive/' + \
pkg + '/' + ver + '/' + pkg + '-' + ver + '.tar.gz'
def close(self):
self.package.close()
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