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new_installer.py
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new_installer.py
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# New Installer class
import re
import click
import shutil
from os import makedirs, remove, rename
from os.path import isdir, join, basename
from . import util
from .api import api_request
from .config import Config
from .profile import Profile
from .downloader import FileDownloader
from .unpacker import FileUnpacker
class NewInstaller(object):
def __init__(self, package):
self.package = package
self.config = Config()
self.profile = Profile()
data = self.config.packages[package]
self.version = self._get_version(
data['repository']['name'],
data['repository']['organization'],
data['release']['tag_name']
)
self.arch = self._get_architecture()
self.compressed_name = data['release']['compressed_name'].replace('%V', self.version).replace('%A', self.arch)
self.uncompressed_name = data['release']['uncompressed_name'].replace('%V', self.version).replace('%A', self.arch)
self.package_name = data['release']['package_name']
if isinstance(data['release']['extension'], dict):
for os in ['linux', 'darwin', 'windows']:
if os in self.arch:
self.extension = data['release']['extension'][os]
else:
self.extension = data['release']['extension']
self.tarball = self._get_tarball_name(
self.compressed_name,
self.extension
)
self.download_url = self._get_download_url(
data['repository']['name'],
data['repository']['organization'],
data['release']['tag_name'].replace('%V', self.version),
self.tarball
)
self.packages_dir = join(util.get_home_dir(), 'packages')
def install(self, version=None):
if version:
self.version = version
if self.package is not None:
click.echo("Installing %s package:" % click.style(self.package, fg="cyan"))
if not isdir(self.packages_dir):
makedirs(self.packages_dir)
assert isdir(self.packages_dir)
try:
dlpath = None
dlpath = self._download(self.download_url)
if dlpath:
package_dir = join(self.packages_dir, self.package)
if isdir(package_dir):
shutil.rmtree(package_dir)
self._unpack(dlpath, self.packages_dir)
except Exception:
click.secho('Package {0} not found'.format(
self.tarball), fg='red')
else:
if dlpath:
remove(dlpath)
self.profile.add(self.package, self.version)
self.profile.save()
click.secho(
'Package \'{0}\' has been successfully installed!'.format(
self.package
), fg='green')
# Rename unpacked dir to package dir
unpack_dir = join(self.packages_dir, self.uncompressed_name)
package_dir = join(self.packages_dir, self.package_name)
if isdir(unpack_dir):
rename(unpack_dir, package_dir)
def uninstall(self):
if self.package is not None:
if isdir(join(self.packages_dir, self.package_name)):
click.echo("Uninstalling %s package" % click.style(self.package, fg="cyan"))
shutil.rmtree(join(self.packages_dir, self.package_name))
click.secho(
'Package \'{0}\' has been successfully uninstalled!'.format(
self.package
), fg='green')
else:
click.secho('Package \'{0}\' is not installed'.format(
self.package), fg='red')
self.profile.remove(self.package)
self.profile.save()
def _get_architecture(self):
return util.get_systype()
def _get_download_url(self, name, organization, tag, tarball):
url = 'https://github.com/{0}/{1}/releases/download/{2}/{3}'.format(
organization,
name,
tag,
tarball)
return url
def _get_tarball_name(self, name, extension):
tarball = '{0}.{1}'.format(
name,
extension)
return tarball
def _get_version(self, name, organization, tag_name):
version = ''
releases = api_request('{}/releases/latest'.format(name), organization)
if releases is not None and 'tag_name' in releases:
pattern = tag_name.replace('%V', '(?P<v>.*?)') + '$'
match = re.search(pattern, releases['tag_name'])
if match:
version = match.group('v')
return version
def _download(self, url, sha1=None, forced=False):
if self.profile.check_version(self.package, self.version) or forced:
fd = FileDownloader(url, self.packages_dir)
click.secho('Download ' + basename(fd.get_filepath()))
fd.start()
# fd.verify(sha1)
return fd.get_filepath()
else:
click.secho('Already installed. Version {0}'.format(
self.profile.get_version(self.package)), fg='yellow')
return None
def _unpack(self, pkgpath, pkgdir):
fu = FileUnpacker(pkgpath, pkgdir)
return fu.start()