@ -15,7 +15,6 @@ from .config import (
from . util import (
find_python ,
SubprocessError ,
get_available_python_versions ,
ANSIBLE_TEST_TARGET_TOOLS_ROOT ,
display ,
remove_tree ,
@ -85,49 +84,21 @@ def create_virtual_environment(
system_site_packages : bool = False ,
pip : bool = False ,
) - > bool :
""" Create a virtual environment using venv or virtualenv for the requested Python version."""
""" Create a virtual environment using venv for the requested Python version."""
if not os . path . exists ( python . path ) :
# the requested python version could not be found
return False
if str_to_version ( python . version ) > = ( 3 , 0 ) :
# use the built-in 'venv' module on Python 3.x
# creating a virtual environment using 'venv' when running in a virtual environment created by 'virtualenv' results
# in a copy of the original virtual environment instead of creation of a new one
# avoid this issue by only using "real" python interpreters to invoke 'venv'
for real_python in iterate_real_pythons ( python . version ) :
if run_venv ( args , real_python , system_site_packages , pip , path ) :
display . info ( ' Created Python %s virtual environment using " venv " : %s ' % ( python . version , path ) , verbosity = 1 )
return True
# something went wrong, most likely the package maintainer for the Python installation removed ensurepip
# which will prevent creation of a virtual environment without installation of other OS packages
# use the installed 'virtualenv' module on the Python requested version
if run_virtualenv ( args , python . path , python . path , system_site_packages , pip , path ) :
display . info ( ' Created Python %s virtual environment using " virtualenv " : %s ' % ( python . version , path ) , verbosity = 1 )
return True
available_pythons = get_available_python_versions ( )
for available_python_version , available_python_interpreter in sorted ( available_pythons . items ( ) ) :
if available_python_interpreter == python . path :
# already attempted to use this interpreter
continue
virtualenv_version = get_virtualenv_version ( args , available_python_interpreter )
if not virtualenv_version :
# virtualenv not available for this Python or we were unable to detect the version
continue
# try using 'virtualenv' from another Python to setup the desired version
if run_virtualenv ( args , available_python_interpreter , python . path , system_site_packages , pip , path ) :
display . info ( ' Created Python %s virtual environment using " virtualenv " on Python %s : %s ' % ( python . version , available_python_version , path ) ,
verbosity = 1 )
# creating a virtual environment using 'venv' when running in a virtual environment created by 'virtualenv' results
# in a copy of the original virtual environment instead of creation of a new one
# avoid this issue by only using "real" python interpreters to invoke 'venv'
for real_python in iterate_real_pythons ( python . version ) :
if run_venv ( args , real_python , system_site_packages , pip , path ) :
display . info ( ' Created Python %s virtual environment using " venv " : %s ' % ( python . version , path ) , verbosity = 1 )
return True
# no suitable 'virtualenv' available
# something went wrong, most likely the package maintainer for the Python installation removed ensurepip
# which will prevent creation of a virtual environment without installation of other OS packages
return False
@ -210,72 +181,3 @@ def run_venv(
return False
return True
def run_virtualenv (
args : EnvironmentConfig ,
run_python : str ,
env_python : str ,
system_site_packages : bool ,
pip : bool ,
path : str ,
) - > bool :
""" Create a virtual environment using the ' virtualenv ' module. """
# always specify which interpreter to use to guarantee the desired interpreter is provided
# otherwise virtualenv may select a different interpreter than the one running virtualenv
cmd = [ run_python , ' -m ' , ' virtualenv ' , ' --python ' , env_python ]
if system_site_packages :
cmd . append ( ' --system-site-packages ' )
if not pip :
cmd . append ( ' --no-pip ' )
# these options provide consistency with venv, which does not install them without pip
cmd . append ( ' --no-setuptools ' )
cmd . append ( ' --no-wheel ' )
cmd . append ( path )
try :
run_command ( args , cmd , capture = True )
except SubprocessError as ex :
remove_tree ( path )
if args . verbosity > 1 :
display . error ( ex . message )
return False
return True
def get_virtualenv_version ( args : EnvironmentConfig , python : str ) - > t . Optional [ tuple [ int , . . . ] ] :
""" Get the virtualenv version for the given python interpreter, if available, otherwise return None. """
try :
cache = get_virtualenv_version . cache # type: ignore[attr-defined]
except AttributeError :
cache = get_virtualenv_version . cache = { } # type: ignore[attr-defined]
if python not in cache :
try :
stdout = run_command ( args , [ python , ' -m ' , ' virtualenv ' , ' --version ' ] , capture = True ) [ 0 ]
except SubprocessError as ex :
stdout = ' '
if args . verbosity > 1 :
display . error ( ex . message )
version = None
if stdout :
# noinspection PyBroadException
try :
version = str_to_version ( stdout . strip ( ) )
except Exception : # pylint: disable=broad-except
pass
cache [ python ] = version
version = cache [ python ]
return version
Matt Clay
12 months ago
committed by