Update get-poetry.py script to work with Python 2.7

import sys

import tempfile

from contextlib import contextmanager

from email.parser import Parser

from pathlib import Path

from glob import glob

try:

    from urllib.request import urlopen

except ImportError:

    from urllib2 import urlopen

FOREGROUND_COLORS = {

    return '{}{}\033[0m'.format(STYLES[style], text)

@contextmanager

def temporary_directory(*args, **kwargs):

    try:

        from tempfile import TemporaryDirectory

        with TemporaryDirectory(*args, **kwargs) as name:

            yield name

    except ImportError:

        name = tempfile.mkdtemp(*args, **kwargs)

        yield name

        shutil.rmtree(name)

class Installer:

    def run(self):

        print(colorize('info', 'Retrieving metadata'))

        with urlopen(self.METADATA_URL) as r:

        r = urlopen(self.METADATA_URL)

        metadata = json.loads(r.read().decode())

        r.close()

        print('')

        releases = sorted(

    def install(self, version):

        # Most of the work will be delegated to pip

        with tempfile.TemporaryDirectory(prefix='poetry-installer-') as dir:

            dir = Path(dir)

            dist = dir / 'dist'

        with temporary_directory(prefix='poetry-installer-') as dir:

            dist = os.path.join(dir, 'dist')

            print('  - Getting dependencies')

            self.call(

                'pip', 'install', 'poetry=={}'.format(version),

                '--target', str(dist)

                '--target', dist

            )

            print('  - Vendorizing dependencies')

            poetry_dir = dist / 'poetry'

            vendor_dir = poetry_dir / '_vendor'

            poetry_dir = os.path.join(dist, 'poetry')

            vendor_dir = os.path.join(poetry_dir, '_vendor')

            # Everything, except poetry itself, should

            # be put in the _vendor directory

            for file in dist.glob('*'):

                if file.name.startswith('poetry'):

            for file in glob(os.path.join(dist, '*')):

                if os.path.basename(file).startswith('poetry'):

                    continue

                dest = vendor_dir / file.name

                if file.is_dir():

                    shutil.copytree(str(file), str(dest))

                    shutil.rmtree(str(file))

                dest = os.path.join(vendor_dir, os.path.basename(file))

                if os.path.isdir(file):

                    shutil.copytree(file, dest)

                    shutil.rmtree(file)

                else:

                    shutil.copy(str(file), str(dest))

                    os.unlink(str(file))

                    shutil.copy(file, dest)

                    os.unlink(file)

            wheel_data = dist / 'poetry-{}.dist-info'.format(version) / 'WHEEL'

            with wheel_data.open() as f:

            wheel_data = os.path.join(

                dist, 'poetry-{}.dist-info'.format(version), 'WHEEL'

            )

            with open(wheel_data) as f:

                wheel_data = Parser().parsestr(f.read())

            tag = wheel_data['Tag']

            print('  - Installing {}'.format(colorize('info', 'poetry')))

            shutil.make_archive(

                str(dir / 'poetry-{}-{}'.format(version, tag)),

                os.path.join(dir, 'poetry-{}-{}'.format(version, tag)),

                format='zip',

                root_dir=str(dist)

            )

            os.rename(

                str(dir / 'poetry-{}-{}.zip'.format(version, tag)),

                str(dir / 'poetry-{}-{}.whl'.format(version, tag)),

                os.path.join(dir, 'poetry-{}-{}.zip'.format(version, tag)),

                os.path.join(dir, 'poetry-{}-{}.whl'.format(version, tag))

            )

            self.call(

                'pip', 'install',

                '--upgrade',

                '--no-deps',

                str(dir / 'poetry-{}-{}.whl'.format(version, tag))

                os.path.join(dir, 'poetry-{}-{}.whl'.format(version, tag))

            )

        print('')