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#!/usr/bin/env python
import glob
import os
import re
import shutil
import urllib.request
from grs.Constants import CONST
from grs.Execute import Execute
from grs.Rotator import Rotator
class Seed(Rotator):
""" doc here
more doc
"""
def __init__(self, stage_uri, tmpdir = CONST.TMPDIR, portage_configroot = \
CONST.PORTAGE_CONFIGROOT, package = CONST.PACKAGE, logfile = CONST.LOGFILE):
""" doc here
more doc
"""
self.stage_uri = stage_uri
self.portage_configroot = portage_configroot
self.package = package
filename = os.path.basename(stage_uri)
self.filepath = os.path.join(tmpdir, filename)
self.logfile = logfile
def seed(self):
""" doc here
more doc
"""
# Rotate the old portage_configroot and package out of the way
for directory in [self.portage_configroot, self.package]:
self.rotate(directory)
if os.path.isdir(directory):
shutil.move(directory, '%s.0' % directory)
os.makedirs(directory, mode=0o755, exist_ok=False)
# Download a stage tarball if we don't have one
if not os.path.isfile(self.filepath):
request = urllib.request.urlopen(self.stage_uri)
with open(self.filepath, 'wb') as f:
shutil.copyfileobj(request, f)
# Because python's tarfile sucks
cmd = 'tar --xattrs -xf %s -C %s' % (self.filepath, self.portage_configroot)
Execute(cmd, timeout=120, logfile=self.logfile)
#os.unlink(self.filepath)
|
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