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import os
from collections import namedtuple
from subprocess import Popen
from subprocess import call
from subprocess import PIPE
def build_paths(home_dir):
obj = namedtuple('Paths', 'wd, home, bin, src, python')
wd = os.getcwd()
if home_dir.startswith(os.sep):
home = home_dir
else:
home = os.path.realpath(os.path.join(wd, home_dir))
bin = os.path.join(home, 'bin')
src = os.path.join(home, 'src')
python = os.path.join(bin, 'python')
return obj(wd, home, bin, src, python)
class EasyInstall(object):
def __init__(self, paths):
self._easy_install = os.path.join(paths.bin, 'easy_install')
def __call__(self, package):
cmd = [self._easy_install, '-Uv', package]
call(cmd)
class HgClone(object):
def __init__(self, paths, easy_install=EasyInstall):
self._easy_install = easy_install(paths)
self._paths = paths
self._hg_ = None
@property
def _hg(self):
if not self._hg_:
cmd = ['which', 'hg']
self._hg_ = Popen(cmd, stdout=PIPE, stderr=PIPE).communicate()[0]\
.strip()
if not self._hg_:
self._hg_ = os.path.join(self._paths.bin, 'hg')
if not os.path.exists(self._hg_):
self._easy_install('mercurial')
return self._hg_
def __call__(self, url, dest):
if not dest.startswith(os.sep):
dest = os.path.join(self._paths.home, dest)
cmd = [self._hg, 'clone', url, dest]
call(cmd)
class SetupPy(object):
FILE = 'setup.py'
def __init__(self, paths):
self._paths = paths
def __call__(self, dir, command):
path = os.path.join(self._paths.home, dir)
name = os.path.join(path, self.FILE)
if os.path.exists(name):
os.chdir(path)
cmd = [self._paths.python, name, command]
call(cmd)
class RunPythonProgram(object):
def __init__(self, paths):
self._paths = paths
def __call__(self, program):
path = os.path.join(self._paths.bin, program)
if os.path.exists(path):
cmd = [self._paths.python, path]
call(cmd)
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