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https://bugs.python.org/issue1674555
--- Lib/site.py
+++ Lib/site.py
@@ -546,8 +546,12 @@
known_paths = venv(known_paths)
if ENABLE_USER_SITE is None:
ENABLE_USER_SITE = check_enableusersite()
- known_paths = addusersitepackages(known_paths)
- known_paths = addsitepackages(known_paths)
+ if os.environ.get("_PYTHONNOSITEPACKAGES") is None:
+ known_paths = addusersitepackages(known_paths)
+ known_paths = addsitepackages(known_paths)
+ else:
+ # Initialize USER_BASE and USER_SITE.
+ getusersitepackages()
setquit()
setcopyright()
sethelper()
--- Lib/test/regrtest.py
+++ Lib/test/regrtest.py
@@ -143,6 +143,7 @@
import unittest
import warnings
from inspect import isabstract
+from subprocess import Popen, PIPE
try:
import threading
@@ -434,7 +435,6 @@
subprocess exits, its return code, stdout and stderr are returned as a
3-tuple.
"""
- from subprocess import Popen, PIPE
base_cmd = ([sys.executable] + support.args_from_interpreter_flags() +
['-X', 'faulthandler', '-m', 'test.regrtest'])
# required to spawn a new process with PGO flag on/off
@@ -657,9 +657,62 @@
support.use_resources = ns.use_resources
save_modules = sys.modules.keys()
+ def _runtest(test, verbose, quiet, huntrleaks=False, use_resources=None,
+ output_on_failure=False, failfast=False, match_tests=None,
+ timeout=None, *, pgo=False):
+ if test == "test_site":
+ base_cmd = ([sys.executable] + support.args_from_interpreter_flags() +
+ ['-X', 'faulthandler', '-m', 'test.regrtest'])
+ # required to spawn a new process with PGO flag on/off
+ if pgo:
+ base_cmd = base_cmd + ['--pgo']
+ slaveargs = ((test, verbose, quiet),
+ dict(huntrleaks=huntrleaks,
+ use_resources=use_resources,
+ output_on_failure=output_on_failure,
+ timeout=timeout, failfast=failfast,
+ match_tests=match_tests, pgo=pgo))
+ env = os.environ.copy()
+ try:
+ del env["_PYTHONNOSITEPACKAGES"]
+ except KeyError:
+ pass
+ popen = Popen(base_cmd + ['--slaveargs', json.dumps(slaveargs)],
+ stdout=PIPE, stderr=PIPE,
+ universal_newlines=True,
+ close_fds=(os.name != 'nt'),
+ cwd=support.SAVEDCWD,
+ env=env)
+ stdout, stderr = popen.communicate()
+ retcode = popen.wait()
+ stdout, _, result = stdout.strip().rpartition("\n")
+ if retcode != 0:
+ result = (CHILD_ERROR, None)
+ else:
+ if not result:
+ return (None, None)
+ result = json.loads(result)
+ stdout = stdout.rstrip()
+ stderr = stderr.rstrip()
+ if stdout:
+ print(stdout)
+ if stderr and not pgo:
+ print(stderr, file=sys.stderr)
+ sys.stdout.flush()
+ sys.stderr.flush()
+ if result[0] == INTERRUPTED:
+ raise KeyboardInterrupt
+ return result
+ else:
+ return runtest(test, verbose, quiet, huntrleaks=huntrleaks,
+ use_resources=use_resources,
+ output_on_failure=output_on_failure,
+ failfast=failfast, match_tests=match_tests,
+ timeout=timeout, pgo=pgo)
+
def accumulate_result(test, result):
ok, test_time = result
- if ok not in (CHILD_ERROR, INTERRUPTED):
+ if ok not in (None, CHILD_ERROR, INTERRUPTED):
test_times.append((test_time, test))
if ok == PASSED:
good.append(test)
@@ -773,15 +826,15 @@
if ns.trace:
# If we're tracing code coverage, then we don't exit with status
# if on a false return value from main.
- tracer.runctx('runtest(test, ns.verbose, ns.quiet, timeout=ns.timeout)',
+ tracer.runctx('_runtest(test, ns.verbose, ns.quiet, timeout=ns.timeout)',
globals=globals(), locals=vars())
else:
try:
- result = runtest(test, ns.verbose, ns.quiet,
- ns.huntrleaks,
- output_on_failure=ns.verbose3,
- timeout=ns.timeout, failfast=ns.failfast,
- match_tests=ns.match_tests, pgo=ns.pgo)
+ result = _runtest(test, ns.verbose, ns.quiet,
+ ns.huntrleaks,
+ output_on_failure=ns.verbose3,
+ timeout=ns.timeout, failfast=ns.failfast,
+ match_tests=ns.match_tests, pgo=ns.pgo)
accumulate_result(test, result)
except KeyboardInterrupt:
interrupted = True
@@ -835,8 +888,8 @@
sys.stdout.flush()
try:
ns.verbose = True
- ok = runtest(test, True, ns.quiet, ns.huntrleaks,
- timeout=ns.timeout, pgo=ns.pgo)
+ ok = _runtest(test, True, ns.quiet, ns.huntrleaks,
+ timeout=ns.timeout, pgo=ns.pgo)
except KeyboardInterrupt:
# print a newline separate from the ^C
print()
@@ -1261,8 +1314,9 @@
for name, get, restore in self.resource_info():
current = get()
original = saved_values.pop(name)
- # Check for changes to the resource's value
- if current != original:
+ # Check for changes to the resource's value. test_site is always run
+ # in a subprocess and is allowed to change os.environ and sys.path.
+ if current != original and self.testname != "test_site":
self.changed = True
restore(original)
if not self.quiet and not self.pgo:
--- Lib/test/test_site.py
+++ Lib/test/test_site.py
@@ -8,6 +8,7 @@
import test.support
from test.support import captured_stderr, TESTFN, EnvironmentVarGuard
import builtins
+import importlib
import os
import sys
import re
@@ -26,6 +27,10 @@
import site
+if "_PYTHONNOSITEPACKAGES" in os.environ:
+ del os.environ["_PYTHONNOSITEPACKAGES"]
+ importlib.reload(site)
+
if site.ENABLE_USER_SITE and not os.path.isdir(site.USER_SITE):
# need to add user site directory for tests
try:
@@ -443,8 +448,11 @@
def test_startup_imports(self):
# This tests checks which modules are loaded by Python when it
# initially starts upon startup.
+ env = os.environ.copy()
+ env["_PYTHONNOSITEPACKAGES"] = "1"
popen = subprocess.Popen([sys.executable, '-I', '-v', '-c',
'import sys; print(set(sys.modules))'],
+ env=env,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
stdout, stderr = popen.communicate()
--- Makefile.pre.in
+++ Makefile.pre.in
@@ -1016,7 +1016,7 @@
######################################################################
TESTOPTS= $(EXTRATESTOPTS)
-TESTPYTHON= $(RUNSHARED) ./$(BUILDPYTHON) $(TESTPYTHONOPTS)
+TESTPYTHON= _PYTHONNOSITEPACKAGES=1 $(RUNSHARED) ./$(BUILDPYTHON) $(TESTPYTHONOPTS)
TESTRUNNER= $(TESTPYTHON) $(srcdir)/Tools/scripts/run_tests.py
TESTTIMEOUT= 3600
|
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