def _install_setuptools_and_zc_buildout(self):
from os.path import join, exists
from os import environ, remove
with utils.open_buildout_configfile() as buildout:
cachedir = buildout.get("buildout", "download-cache")
cache_dist = join(cachedir, "dist")
cmd = []
packages = []
# in case dependencies are frozen, we need to use the frozen version of setuptools and zc.buildout
with utils.open_buildout_configfile() as buildout:
for package in ['setuptools', 'zc.buildout', 'pip']:
if buildout.has_option("versions", package):
packages += [
'{}=={}'.format(package,
buildout.get("versions", package))
]
else:
packages += [package]
env = environ.copy()
env['PYTHONPATH'] = ''
utils.execute_assert_success([
utils.get_isolated_executable('python'), 'get-pip.py',
'--prefix=%s' % join('parts', 'python')
] + packages,
env=env)
remove('get-pip.py')
utils.execute_assert_success([
utils.get_isolated_executable('pip'), 'download', '--dest',
cache_dist
] + packages,
env=env)
def install_isolated_python_if_necessary(self):
from os import environ
if not self.arguments.get("--use-isolated-python", False):
return
self._remove_setuptools_egg_link()
if not assertions.is_isolated_python_exists() or self.arguments.get("--newest", False):
with utils.buildout_parameters_context(['buildout:develop=', 'buildout:versions=no', 'no:key=value']):
utils.execute_with_buildout("install {}".format(self.get_isolated_python_section_name()))
self._get_pip()
self._install_setuptools_and_zc_buildout()
env = environ.copy()
env['PYTHONPATH'] = ''
utils.execute_assert_success([utils.get_isolated_executable('buildout'), 'bootstrap'], env=env)
def install_isolated_python_if_necessary(self):
from os import environ
if not self.arguments.get("--use-isolated-python", False):
return
self._remove_setuptools_egg_link()
if not assertions.is_isolated_python_exists() or self.arguments.get("--newest", False):
with utils.buildout_parameters_context(['buildout:develop=', 'buildout:versions=no', 'no:key=value']):
utils.execute_with_buildout("install {}".format(self.get_isolated_python_section_name()))
self._get_pip()
self._install_setuptools_and_zc_buildout()
env = environ.copy()
env['PYTHONPATH'] = ''
utils.execute_assert_success([utils.get_isolated_executable('buildout'), 'bootstrap'], env=env)
def _install_setuptools_and_zc_buildout(self):
from os.path import join, exists
from os import environ, remove
with utils.open_buildout_configfile() as buildout:
cachedir = buildout.get("buildout", "download-cache")
cache_dist = join(cachedir, "dist")
cmd = []
packages = []
# in case dependencies are frozen, we need to use the frozen version of setuptools and zc.buildout
with utils.open_buildout_configfile() as buildout:
for package in ['setuptools', 'zc.buildout', 'pip']:
if buildout.has_option("versions", package):
packages += ['{}=={}'.format(package, buildout.get("versions", package))]
else:
packages += [package]
env = environ.copy()
env['PYTHONPATH'] = ''
utils.execute_assert_success([utils.get_isolated_executable('python'), 'get-pip.py', '--prefix=%s' % join('parts', 'python')] + packages, env=env)
remove('get-pip.py')
utils.execute_assert_success([utils.get_isolated_executable('python'), '-m', 'pip', 'download', '--dest', cache_dist] + packages, env=env)