def fixed_environment_variables():
orig_environ = os.environ.copy()
for var in dict(os.environ):
if var not in ENV_WHITELIST:
del os.environ[var]
# disable casual interaction with python.org
os.environ['PIP_INDEX_URL'] = '(total garbage)'
os.environ[
'PYTHONWARNINGS'] = 'ignore:Support for Python 3.0-3.2 has been dropped.:UserWarning'
# normalize $PATH
from sys import executable
from os import defpath
from os.path import dirname
assert defpath.startswith(':')
os.environ['PATH'] = dirname(executable) + defpath
yield
os.environ.clear()
os.environ.update(orig_environ)
def fixed_environment_variables():
orig_environ = os.environ.copy()
for var in dict(os.environ):
if var not in ENV_WHITELIST:
del os.environ[var]
# disable casual interaction with python.org
os.environ["PIP_INDEX_URL"] = "(total garbage)"
# we can't ignore the python2.6 warning this way because $PYTHONWARNINGS was invented in python2.7
os.environ["PYTHONWARNINGS"] = "ignore:Support for Python 3.0-3.2 has been dropped.:UserWarning"
# normalize $PATH
from sys import executable
from os import defpath
from os.path import dirname
assert defpath.startswith(":")
os.environ["PATH"] = dirname(executable) + defpath
yield
os.environ.clear()
os.environ.update(orig_environ)
def fixed_environment_variables():
orig_environ = os.environ.copy()
for var in dict(os.environ):
if var not in ENV_WHITELIST:
del os.environ[var]
# disable casual interaction with python.org
os.environ['PIP_INDEX_URL'] = '(total garbage)'
os.environ['PYTHONWARNINGS'] = 'ignore:Support for Python 3.0-3.2 has been dropped.:UserWarning'
# Fixes argparse help tests.
os.environ['COLUMNS'] = '1000'
# normalize $PATH
from sys import executable
from os import defpath
from os.path import dirname
assert defpath.startswith(':')
os.environ['PATH'] = dirname(executable) + defpath
yield
os.environ.clear()
os.environ.update(orig_environ)