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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ""" Test harness for the venv module. Copyright (C) 2011-2012 Vinay Sajip. Licensed to the PSF under a contributor agreement. """ import ensurepip import os import os.path import re import shutil import struct import subprocess import sys import tempfile from test.support import (captured_stdout, captured_stderr, requires_zlib, can_symlink, EnvironmentVarGuard, rmtree, import_module, skip_if_broken_multiprocessing_synchronize) import unittest import venv from unittest.mock import patch try: import ctypes except ImportError: ctypes = None # Platforms that set sys._base_executable can create venvs from within # another venv, so no need to skip tests that require venv.create(). requireVenvCreate = unittest.skipUnless( sys.prefix == sys.base_prefix or sys._base_executable != sys.executable, 'cannot run venv.create from within a venv on this platform') def check_output(cmd, encoding=None): p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, encoding=encoding) out, err = p.communicate() if p.returncode: raise subprocess.CalledProcessError( p.returncode, cmd, out, err) return out, err class BaseTest(unittest.TestCase): """Base class for venv tests.""" maxDiff = 80 * 50 def setUp(self): self.env_dir = os.path.realpath(tempfile.mkdtemp()) if os.name == 'nt': self.bindir = 'Scripts' self.lib = ('Lib',) self.include = 'Include' else: self.bindir = 'bin' self.lib = ('lib', 'python%d.%d' % sys.version_info[:2]) self.include = 'include' executable = sys._base_executable self.exe = os.path.split(executable)[-1] if (sys.platform == 'win32' and os.path.lexists(executable) and not os.path.exists(executable)): self.cannot_link_exe = True else: self.cannot_link_exe = False def tearDown(self): rmtree(self.env_dir) def run_with_capture(self, func, *args, **kwargs): with captured_stdout() as output: with captured_stderr() as error: func(*args, **kwargs) return output.getvalue(), error.getvalue() def get_env_file(self, *args): return os.path.join(self.env_dir, *args) def get_text_file_contents(self, *args, encoding='utf-8'): with open(self.get_env_file(*args), 'r', encoding=encoding) as f: result = f.read() return result class BasicTest(BaseTest): """Test venv module functionality.""" def isdir(self, *args): fn = self.get_env_file(*args) self.assertTrue(os.path.isdir(fn)) def test_defaults(self): """ Test the create function with default arguments. """ rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) self.isdir(self.bindir) self.isdir(self.include) self.isdir(*self.lib) # Issue 21197 p = self.get_env_file('lib64') conditions = ((struct.calcsize('P') == 8) and (os.name == 'posix') and (sys.platform != 'darwin')) if conditions: self.assertTrue(os.path.islink(p)) else: self.assertFalse(os.path.exists(p)) data = self.get_text_file_contents('pyvenv.cfg') executable = sys._base_executable path = os.path.dirname(executable) self.assertIn('home = %s' % path, data) fn = self.get_env_file(self.bindir, self.exe) if not os.path.exists(fn): # diagnostics for Windows buildbot failures bd = self.get_env_file(self.bindir) print('Contents of %r:' % bd) print(' %r' % os.listdir(bd)) self.assertTrue(os.path.exists(fn), 'File %r should exist.' % fn) def test_prompt(self): env_name = os.path.split(self.env_dir)[1] rmtree(self.env_dir) builder = venv.EnvBuilder() self.run_with_capture(builder.create, self.env_dir) context = builder.ensure_directories(self.env_dir) data = self.get_text_file_contents('pyvenv.cfg') self.assertEqual(context.prompt, '(%s) ' % env_name) self.assertNotIn("prompt = ", data) rmtree(self.env_dir) builder = venv.EnvBuilder(prompt='My prompt') self.run_with_capture(builder.create, self.env_dir) context = builder.ensure_directories(self.env_dir) data = self.get_text_file_contents('pyvenv.cfg') self.assertEqual(context.prompt, '(My prompt) ') self.assertIn("prompt = 'My prompt'\n", data) rmtree(self.env_dir) builder = venv.EnvBuilder(prompt='.') cwd = os.path.basename(os.getcwd()) self.run_with_capture(builder.create, self.env_dir) context = builder.ensure_directories(self.env_dir) data = self.get_text_file_contents('pyvenv.cfg') self.assertEqual(context.prompt, '(%s) ' % cwd) self.assertIn("prompt = '%s'\n" % cwd, data) def test_upgrade_dependencies(self): builder = venv.EnvBuilder() bin_path = 'Scripts' if sys.platform == 'win32' else 'bin' python_exe = os.path.split(sys.executable)[1] with tempfile.TemporaryDirectory() as fake_env_dir: expect_exe = os.path.normcase( os.path.join(fake_env_dir, bin_path, python_exe) ) if sys.platform == 'win32': expect_exe = os.path.normcase(os.path.realpath(expect_exe)) def pip_cmd_checker(cmd): cmd[0] = os.path.normcase(cmd[0]) self.assertEqual( cmd, [ expect_exe, '-m', 'pip', 'install', '--upgrade', 'pip', 'setuptools' ] ) fake_context = builder.ensure_directories(fake_env_dir) with patch('venv.subprocess.check_call', pip_cmd_checker): builder.upgrade_dependencies(fake_context) @requireVenvCreate def test_prefixes(self): """ Test that the prefix values are as expected. """ # check a venv's prefixes rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) envpy = os.path.join(self.env_dir, self.bindir, self.exe) cmd = [envpy, '-c', None] for prefix, expected in ( ('prefix', self.env_dir), ('exec_prefix', self.env_dir), ('base_prefix', sys.base_prefix), ('base_exec_prefix', sys.base_exec_prefix)): cmd[2] = 'import sys; print(sys.%s)' % prefix out, err = check_output(cmd) self.assertEqual(out.strip(), expected.encode()) if sys.platform == 'win32': ENV_SUBDIRS = ( ('Scripts',), ('Include',), ('Lib',), ('Lib', 'site-packages'), ) else: ENV_SUBDIRS = ( ('bin',), ('include',), ('lib',), ('lib', 'python%d.%d' % sys.version_info[:2]), ('lib', 'python%d.%d' % sys.version_info[:2], 'site-packages'), ) def create_contents(self, paths, filename): """ Create some files in the environment which are unrelated to the virtual environment. """ for subdirs in paths: d = os.path.join(self.env_dir, *subdirs) os.mkdir(d) fn = os.path.join(d, filename) with open(fn, 'wb') as f: f.write(b'Still here?') def test_overwrite_existing(self): """ Test creating environment in an existing directory. """ self.create_contents(self.ENV_SUBDIRS, 'foo') venv.create(self.env_dir) for subdirs in self.ENV_SUBDIRS: fn = os.path.join(self.env_dir, *(subdirs + ('foo',))) self.assertTrue(os.path.exists(fn)) with open(fn, 'rb') as f: self.assertEqual(f.read(), b'Still here?') builder = venv.EnvBuilder(clear=True) builder.create(self.env_dir) for subdirs in self.ENV_SUBDIRS: fn = os.path.join(self.env_dir, *(subdirs + ('foo',))) self.assertFalse(os.path.exists(fn)) def clear_directory(self, path): for fn in os.listdir(path): fn = os.path.join(path, fn) if os.path.islink(fn) or os.path.isfile(fn): os.remove(fn) elif os.path.isdir(fn): rmtree(fn) def test_unoverwritable_fails(self): #create a file clashing with directories in the env dir for paths in self.ENV_SUBDIRS[:3]: fn = os.path.join(self.env_dir, *paths) with open(fn, 'wb') as f: f.write(b'') self.assertRaises((ValueError, OSError), venv.create, self.env_dir) self.clear_directory(self.env_dir) def test_upgrade(self): """ Test upgrading an existing environment directory. """ # See Issue #21643: the loop needs to run twice to ensure # that everything works on the upgrade (the first run just creates # the venv). for upgrade in (False, True): builder = venv.EnvBuilder(upgrade=upgrade) self.run_with_capture(builder.create, self.env_dir) self.isdir(self.bindir) self.isdir(self.include) self.isdir(*self.lib) fn = self.get_env_file(self.bindir, self.exe) if not os.path.exists(fn): # diagnostics for Windows buildbot failures bd = self.get_env_file(self.bindir) print('Contents of %r:' % bd) print(' %r' % os.listdir(bd)) self.assertTrue(os.path.exists(fn), 'File %r should exist.' % fn) def test_isolation(self): """ Test isolation from system site-packages """ for ssp, s in ((True, 'true'), (False, 'false')): builder = venv.EnvBuilder(clear=True, system_site_packages=ssp) builder.create(self.env_dir) data = self.get_text_file_contents('pyvenv.cfg') self.assertIn('include-system-site-packages = %s\n' % s, data) @unittest.skipUnless(can_symlink(), 'Needs symlinks') def test_symlinking(self): """ Test symlinking works as expected """ for usl in (False, True): builder = venv.EnvBuilder(clear=True, symlinks=usl) builder.create(self.env_dir) fn = self.get_env_file(self.bindir, self.exe) # Don't test when False, because e.g. 'python' is always # symlinked to 'python3.3' in the env, even when symlinking in # general isn't wanted. if usl: if self.cannot_link_exe: # Symlinking is skipped when our executable is already a # special app symlink self.assertFalse(os.path.islink(fn)) else: self.assertTrue(os.path.islink(fn)) # If a venv is created from a source build and that venv is used to # run the test, the pyvenv.cfg in the venv created in the test will # point to the venv being used to run the test, and we lose the link # to the source build - so Python can't initialise properly. @requireVenvCreate def test_executable(self): """ Test that the sys.executable value is as expected. """ rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) out, err = check_output([envpy, '-c', 'import sys; print(sys.executable)']) self.assertEqual(out.strip(), envpy.encode()) @unittest.skipUnless(can_symlink(), 'Needs symlinks') def test_executable_symlinks(self): """ Test that the sys.executable value is as expected. """ rmtree(self.env_dir) builder = venv.EnvBuilder(clear=True, symlinks=True) builder.create(self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) out, err = check_output([envpy, '-c', 'import sys; print(sys.executable)']) self.assertEqual(out.strip(), envpy.encode()) @unittest.skipUnless(os.name == 'nt', 'only relevant on Windows') def test_unicode_in_batch_file(self): """ Test handling of Unicode paths """ rmtree(self.env_dir) env_dir = os.path.join(os.path.realpath(self.env_dir), 'ϼўТλФЙ') builder = venv.EnvBuilder(clear=True) builder.create(env_dir) activate = os.path.join(env_dir, self.bindir, 'activate.bat') envpy = os.path.join(env_dir, self.bindir, self.exe) out, err = check_output( [activate, '&', self.exe, '-c', 'print(0)'], encoding='oem', ) self.assertEqual(out.strip(), '0') @requireVenvCreate def test_multiprocessing(self): """ Test that the multiprocessing is able to spawn. """ # bpo-36342: Instantiation of a Pool object imports the # multiprocessing.synchronize module. Skip the test if this module # cannot be imported. skip_if_broken_multiprocessing_synchronize() rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) out, err = check_output([envpy, '-c', 'from multiprocessing import Pool; ' 'pool = Pool(1); ' 'print(pool.apply_async("Python".lower).get(3)); ' 'pool.terminate()']) self.assertEqual(out.strip(), "python".encode()) @unittest.skipIf(os.name == 'nt', 'not relevant on Windows') def test_deactivate_with_strict_bash_opts(self): bash = shutil.which("bash") if bash is None: self.skipTest("bash required for this test") rmtree(self.env_dir) builder = venv.EnvBuilder(clear=True) builder.create(self.env_dir) activate = os.path.join(self.env_dir, self.bindir, "activate") test_script = os.path.join(self.env_dir, "test_strict.sh") with open(test_script, "w") as f: f.write("set -euo pipefail\n" f"source {activate}\n" "deactivate\n") out, err = check_output([bash, test_script]) self.assertEqual(out, "".encode()) self.assertEqual(err, "".encode()) @unittest.skipUnless(sys.platform == 'darwin', 'only relevant on macOS') def test_macos_env(self): rmtree(self.env_dir) builder = venv.EnvBuilder() builder.create(self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) out, err = check_output([envpy, '-c', 'import os; print("__PYVENV_LAUNCHER__" in os.environ)']) self.assertEqual(out.strip(), 'False'.encode()) @requireVenvCreate class EnsurePipTest(BaseTest): """Test venv module installation of pip.""" def assert_pip_not_installed(self): envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) out, err = check_output([envpy, '-c', 'try:\n import pip\nexcept ImportError:\n print("OK")']) # We force everything to text, so unittest gives the detailed diff # if we get unexpected results err = err.decode("latin-1") # Force to text, prevent decoding errors self.assertEqual(err, "") out = out.decode("latin-1") # Force to text, prevent decoding errors self.assertEqual(out.strip(), "OK") def test_no_pip_by_default(self): rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) self.assert_pip_not_installed() def test_explicit_no_pip(self): rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir, with_pip=False) self.assert_pip_not_installed() def test_devnull(self): # Fix for issue #20053 uses os.devnull to force a config file to # appear empty. However http://bugs.python.org/issue20541 means # that doesn't currently work properly on Windows. Once that is # fixed, the "win_location" part of test_with_pip should be restored with open(os.devnull, "rb") as f: self.assertEqual(f.read(), b"") self.assertTrue(os.path.exists(os.devnull)) def do_test_with_pip(self, system_site_packages): rmtree(self.env_dir) with EnvironmentVarGuard() as envvars: # pip's cross-version compatibility may trigger deprecation # warnings in current versions of Python. Ensure related # environment settings don't cause venv to fail. envvars["PYTHONWARNINGS"] = "e" # ensurepip is different enough from a normal pip invocation # that we want to ensure it ignores the normal pip environment # variable settings. We set PIP_NO_INSTALL here specifically # to check that ensurepip (and hence venv) ignores it. # See http://bugs.python.org/issue19734 envvars["PIP_NO_INSTALL"] = "1" # Also check that we ignore the pip configuration file # See http://bugs.python.org/issue20053 with tempfile.TemporaryDirectory() as home_dir: envvars["HOME"] = home_dir bad_config = "[global]\nno-install=1" # Write to both config file names on all platforms to reduce # cross-platform variation in test code behaviour win_location = ("pip", "pip.ini") posix_location = (".pip", "pip.conf") # Skips win_location due to http://bugs.python.org/issue20541 for dirname, fname in (posix_location,): dirpath = os.path.join(home_dir, dirname) os.mkdir(dirpath) fpath = os.path.join(dirpath, fname) with open(fpath, 'w') as f: f.write(bad_config) # Actually run the create command with all that unhelpful # config in place to ensure we ignore it try: self.run_with_capture(venv.create, self.env_dir, system_site_packages=system_site_packages, with_pip=True) except subprocess.CalledProcessError as exc: # The output this produces can be a little hard to read, # but at least it has all the details details = exc.output.decode(errors="replace") msg = "{}\n\n**Subprocess Output**\n{}" self.fail(msg.format(exc, details)) # Ensure pip is available in the virtual environment envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) # Ignore DeprecationWarning since pip code is not part of Python out, err = check_output([envpy, '-W', 'ignore::DeprecationWarning', '-I', '-m', 'pip', '--version']) # We force everything to text, so unittest gives the detailed diff # if we get unexpected results err = err.decode("latin-1") # Force to text, prevent decoding errors self.assertEqual(err, "") out = out.decode("latin-1") # Force to text, prevent decoding errors expected_version = "pip {}".format(ensurepip.version()) self.assertEqual(out[:len(expected_version)], expected_version) env_dir = os.fsencode(self.env_dir).decode("latin-1") self.assertIn(env_dir, out) # http://bugs.python.org/issue19728 # Check the private uninstall command provided for the Windows # installers works (at least in a virtual environment) with EnvironmentVarGuard() as envvars: out, err = check_output([envpy, '-W', 'ignore::DeprecationWarning', '-I', '-m', 'ensurepip._uninstall']) # We force everything to text, so unittest gives the detailed diff # if we get unexpected results err = err.decode("latin-1") # Force to text, prevent decoding errors # Ignore the warning: # "The directory '$HOME/.cache/pip/http' or its parent directory # is not owned by the current user and the cache has been disabled. # Please check the permissions and owner of that directory. If # executing pip with sudo, you may want sudo's -H flag." # where $HOME is replaced by the HOME environment variable. err = re.sub("^(WARNING: )?The directory .* or its parent directory " "is not owned or is not writable by the current user.*$", "", err, flags=re.MULTILINE) self.assertEqual(err.rstrip(), "") # Being fairly specific regarding the expected behaviour for the # initial bundling phase in Python 3.4. If the output changes in # future pip versions, this test can likely be relaxed further. out = out.decode("latin-1") # Force to text, prevent decoding errors self.assertIn("Successfully uninstalled pip", out) self.assertIn("Successfully uninstalled setuptools", out) # Check pip is now gone from the virtual environment. This only # applies in the system_site_packages=False case, because in the # other case, pip may still be available in the system site-packages if not system_site_packages: self.assert_pip_not_installed() # Issue #26610: pip/pep425tags.py requires ctypes @unittest.skipUnless(ctypes, 'pip requires ctypes') @requires_zlib() def test_with_pip(self): self.do_test_with_pip(False) self.do_test_with_pip(True) if __name__ == "__main__": unittest.main()