588 lines
23 KiB
Python
588 lines
23 KiB
Python
"""Tests for 'site'.
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Tests assume the initial paths in sys.path once the interpreter has begun
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executing have not been removed.
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"""
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import unittest
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import test.support
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from test.support import captured_stderr, TESTFN, EnvironmentVarGuard
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import builtins
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import os
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import sys
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import re
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import encodings
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import urllib.request
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import urllib.error
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import shutil
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import subprocess
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import sysconfig
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import tempfile
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from copy import copy
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# These tests are not particularly useful if Python was invoked with -S.
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# If you add tests that are useful under -S, this skip should be moved
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# to the class level.
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if sys.flags.no_site:
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raise unittest.SkipTest("Python was invoked with -S")
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import site
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OLD_SYS_PATH = None
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def setUpModule():
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global OLD_SYS_PATH
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OLD_SYS_PATH = sys.path[:]
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if site.ENABLE_USER_SITE and not os.path.isdir(site.USER_SITE):
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# need to add user site directory for tests
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try:
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os.makedirs(site.USER_SITE)
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# modify sys.path: will be restored by tearDownModule()
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site.addsitedir(site.USER_SITE)
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except PermissionError as exc:
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raise unittest.SkipTest('unable to create user site directory (%r): %s'
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% (site.USER_SITE, exc))
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def tearDownModule():
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sys.path[:] = OLD_SYS_PATH
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class HelperFunctionsTests(unittest.TestCase):
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"""Tests for helper functions.
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"""
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def setUp(self):
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"""Save a copy of sys.path"""
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self.sys_path = sys.path[:]
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self.old_base = site.USER_BASE
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self.old_site = site.USER_SITE
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self.old_prefixes = site.PREFIXES
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self.original_vars = sysconfig._CONFIG_VARS
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self.old_vars = copy(sysconfig._CONFIG_VARS)
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def tearDown(self):
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"""Restore sys.path"""
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sys.path[:] = self.sys_path
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site.USER_BASE = self.old_base
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site.USER_SITE = self.old_site
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site.PREFIXES = self.old_prefixes
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sysconfig._CONFIG_VARS = self.original_vars
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sysconfig._CONFIG_VARS.clear()
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sysconfig._CONFIG_VARS.update(self.old_vars)
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def test_makepath(self):
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# Test makepath() have an absolute path for its first return value
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# and a case-normalized version of the absolute path for its
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# second value.
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path_parts = ("Beginning", "End")
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original_dir = os.path.join(*path_parts)
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abs_dir, norm_dir = site.makepath(*path_parts)
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self.assertEqual(os.path.abspath(original_dir), abs_dir)
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if original_dir == os.path.normcase(original_dir):
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self.assertEqual(abs_dir, norm_dir)
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else:
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self.assertEqual(os.path.normcase(abs_dir), norm_dir)
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def test_init_pathinfo(self):
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dir_set = site._init_pathinfo()
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for entry in [site.makepath(path)[1] for path in sys.path
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if path and os.path.exists(path)]:
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self.assertIn(entry, dir_set,
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"%s from sys.path not found in set returned "
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"by _init_pathinfo(): %s" % (entry, dir_set))
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def pth_file_tests(self, pth_file):
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"""Contain common code for testing results of reading a .pth file"""
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self.assertIn(pth_file.imported, sys.modules,
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"%s not in sys.modules" % pth_file.imported)
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self.assertIn(site.makepath(pth_file.good_dir_path)[0], sys.path)
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self.assertFalse(os.path.exists(pth_file.bad_dir_path))
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def test_addpackage(self):
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# Make sure addpackage() imports if the line starts with 'import',
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# adds directories to sys.path for any line in the file that is not a
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# comment or import that is a valid directory name for where the .pth
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# file resides; invalid directories are not added
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pth_file = PthFile()
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pth_file.cleanup(prep=True) # to make sure that nothing is
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# pre-existing that shouldn't be
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try:
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pth_file.create()
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site.addpackage(pth_file.base_dir, pth_file.filename, set())
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self.pth_file_tests(pth_file)
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finally:
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pth_file.cleanup()
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def make_pth(self, contents, pth_dir='.', pth_name=TESTFN):
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# Create a .pth file and return its (abspath, basename).
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pth_dir = os.path.abspath(pth_dir)
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pth_basename = pth_name + '.pth'
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pth_fn = os.path.join(pth_dir, pth_basename)
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pth_file = open(pth_fn, 'w', encoding='utf-8')
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self.addCleanup(lambda: os.remove(pth_fn))
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pth_file.write(contents)
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pth_file.close()
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return pth_dir, pth_basename
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def test_addpackage_import_bad_syntax(self):
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# Issue 10642
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pth_dir, pth_fn = self.make_pth("import bad)syntax\n")
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with captured_stderr() as err_out:
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site.addpackage(pth_dir, pth_fn, set())
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self.assertRegex(err_out.getvalue(), "line 1")
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self.assertRegex(err_out.getvalue(),
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re.escape(os.path.join(pth_dir, pth_fn)))
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# XXX: the previous two should be independent checks so that the
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# order doesn't matter. The next three could be a single check
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# but my regex foo isn't good enough to write it.
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self.assertRegex(err_out.getvalue(), 'Traceback')
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self.assertRegex(err_out.getvalue(), r'import bad\)syntax')
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self.assertRegex(err_out.getvalue(), 'SyntaxError')
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def test_addpackage_import_bad_exec(self):
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# Issue 10642
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pth_dir, pth_fn = self.make_pth("randompath\nimport nosuchmodule\n")
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with captured_stderr() as err_out:
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site.addpackage(pth_dir, pth_fn, set())
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self.assertRegex(err_out.getvalue(), "line 2")
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self.assertRegex(err_out.getvalue(),
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re.escape(os.path.join(pth_dir, pth_fn)))
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# XXX: ditto previous XXX comment.
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self.assertRegex(err_out.getvalue(), 'Traceback')
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self.assertRegex(err_out.getvalue(), 'ModuleNotFoundError')
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def test_addpackage_import_bad_pth_file(self):
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# Issue 5258
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pth_dir, pth_fn = self.make_pth("abc\x00def\n")
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with captured_stderr() as err_out:
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site.addpackage(pth_dir, pth_fn, set())
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self.assertRegex(err_out.getvalue(), "line 1")
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self.assertRegex(err_out.getvalue(),
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re.escape(os.path.join(pth_dir, pth_fn)))
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# XXX: ditto previous XXX comment.
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self.assertRegex(err_out.getvalue(), 'Traceback')
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self.assertRegex(err_out.getvalue(), 'ValueError')
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def test_addsitedir(self):
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# Same tests for test_addpackage since addsitedir() essentially just
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# calls addpackage() for every .pth file in the directory
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pth_file = PthFile()
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pth_file.cleanup(prep=True) # Make sure that nothing is pre-existing
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# that is tested for
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try:
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pth_file.create()
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site.addsitedir(pth_file.base_dir, set())
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self.pth_file_tests(pth_file)
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finally:
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pth_file.cleanup()
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@unittest.skipUnless(site.ENABLE_USER_SITE, "requires access to PEP 370 "
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"user-site (site.ENABLE_USER_SITE)")
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def test_s_option(self):
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# (ncoghlan) Change this to use script_helper...
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usersite = site.USER_SITE
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self.assertIn(usersite, sys.path)
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env = os.environ.copy()
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rc = subprocess.call([sys.executable, '-c',
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'import sys; sys.exit(%r in sys.path)' % usersite],
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env=env)
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self.assertEqual(rc, 1)
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env = os.environ.copy()
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rc = subprocess.call([sys.executable, '-s', '-c',
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'import sys; sys.exit(%r in sys.path)' % usersite],
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env=env)
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if usersite == site.getsitepackages()[0]:
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self.assertEqual(rc, 1)
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else:
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self.assertEqual(rc, 0, "User site still added to path with -s")
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env = os.environ.copy()
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env["PYTHONNOUSERSITE"] = "1"
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rc = subprocess.call([sys.executable, '-c',
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'import sys; sys.exit(%r in sys.path)' % usersite],
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env=env)
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if usersite == site.getsitepackages()[0]:
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self.assertEqual(rc, 1)
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else:
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self.assertEqual(rc, 0,
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"User site still added to path with PYTHONNOUSERSITE")
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env = os.environ.copy()
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env["PYTHONUSERBASE"] = "/tmp"
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rc = subprocess.call([sys.executable, '-c',
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'import sys, site; sys.exit(site.USER_BASE.startswith("/tmp"))'],
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env=env)
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self.assertEqual(rc, 1,
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"User base not set by PYTHONUSERBASE")
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def test_getuserbase(self):
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site.USER_BASE = None
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user_base = site.getuserbase()
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# the call sets site.USER_BASE
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self.assertEqual(site.USER_BASE, user_base)
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# let's set PYTHONUSERBASE and see if it uses it
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site.USER_BASE = None
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import sysconfig
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sysconfig._CONFIG_VARS = None
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with EnvironmentVarGuard() as environ:
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environ['PYTHONUSERBASE'] = 'xoxo'
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self.assertTrue(site.getuserbase().startswith('xoxo'),
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site.getuserbase())
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def test_getusersitepackages(self):
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site.USER_SITE = None
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site.USER_BASE = None
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user_site = site.getusersitepackages()
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# the call sets USER_BASE *and* USER_SITE
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self.assertEqual(site.USER_SITE, user_site)
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self.assertTrue(user_site.startswith(site.USER_BASE), user_site)
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def test_getsitepackages(self):
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site.PREFIXES = ['xoxo']
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dirs = site.getsitepackages()
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if (sys.platform == "darwin" and
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sysconfig.get_config_var("PYTHONFRAMEWORK")):
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# OS X framework builds
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site.PREFIXES = ['Python.framework']
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dirs = site.getsitepackages()
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self.assertEqual(len(dirs), 2)
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wanted = os.path.join('/Library',
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sysconfig.get_config_var("PYTHONFRAMEWORK"),
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'%d.%d' % sys.version_info[:2],
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'site-packages')
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self.assertEqual(dirs[1], wanted)
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elif os.sep == '/':
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# OS X non-framwework builds, Linux, FreeBSD, etc
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self.assertEqual(len(dirs), 1)
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wanted = os.path.join('xoxo', 'lib',
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'python%d.%d' % sys.version_info[:2],
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'site-packages')
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self.assertEqual(dirs[0], wanted)
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else:
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# other platforms
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self.assertEqual(len(dirs), 2)
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self.assertEqual(dirs[0], 'xoxo')
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wanted = os.path.join('xoxo', 'lib', 'site-packages')
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self.assertEqual(dirs[1], wanted)
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class PthFile(object):
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"""Helper class for handling testing of .pth files"""
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def __init__(self, filename_base=TESTFN, imported="time",
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good_dirname="__testdir__", bad_dirname="__bad"):
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"""Initialize instance variables"""
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self.filename = filename_base + ".pth"
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self.base_dir = os.path.abspath('')
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self.file_path = os.path.join(self.base_dir, self.filename)
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self.imported = imported
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self.good_dirname = good_dirname
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self.bad_dirname = bad_dirname
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self.good_dir_path = os.path.join(self.base_dir, self.good_dirname)
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self.bad_dir_path = os.path.join(self.base_dir, self.bad_dirname)
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def create(self):
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"""Create a .pth file with a comment, blank lines, an ``import
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<self.imported>``, a line with self.good_dirname, and a line with
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self.bad_dirname.
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Creation of the directory for self.good_dir_path (based off of
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self.good_dirname) is also performed.
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Make sure to call self.cleanup() to undo anything done by this method.
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"""
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FILE = open(self.file_path, 'w')
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try:
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print("#import @bad module name", file=FILE)
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print("\n", file=FILE)
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print("import %s" % self.imported, file=FILE)
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print(self.good_dirname, file=FILE)
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print(self.bad_dirname, file=FILE)
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finally:
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FILE.close()
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os.mkdir(self.good_dir_path)
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def cleanup(self, prep=False):
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"""Make sure that the .pth file is deleted, self.imported is not in
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sys.modules, and that both self.good_dirname and self.bad_dirname are
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not existing directories."""
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if os.path.exists(self.file_path):
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os.remove(self.file_path)
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if prep:
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self.imported_module = sys.modules.get(self.imported)
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if self.imported_module:
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del sys.modules[self.imported]
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else:
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if self.imported_module:
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sys.modules[self.imported] = self.imported_module
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if os.path.exists(self.good_dir_path):
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os.rmdir(self.good_dir_path)
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if os.path.exists(self.bad_dir_path):
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os.rmdir(self.bad_dir_path)
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class ImportSideEffectTests(unittest.TestCase):
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"""Test side-effects from importing 'site'."""
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def setUp(self):
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"""Make a copy of sys.path"""
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self.sys_path = sys.path[:]
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def tearDown(self):
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"""Restore sys.path"""
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sys.path[:] = self.sys_path
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def test_abs_paths(self):
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# Make sure all imported modules have their __file__ and __cached__
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# attributes as absolute paths. Arranging to put the Lib directory on
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# PYTHONPATH would cause the os module to have a relative path for
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# __file__ if abs_paths() does not get run. sys and builtins (the
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# only other modules imported before site.py runs) do not have
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# __file__ or __cached__ because they are built-in.
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parent = os.path.relpath(os.path.dirname(os.__file__))
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env = os.environ.copy()
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env['PYTHONPATH'] = parent
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code = ('import os, sys',
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# use ASCII to avoid locale issues with non-ASCII directories
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'os_file = os.__file__.encode("ascii", "backslashreplace")',
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r'sys.stdout.buffer.write(os_file + b"\n")',
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'os_cached = os.__cached__.encode("ascii", "backslashreplace")',
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r'sys.stdout.buffer.write(os_cached + b"\n")')
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command = '\n'.join(code)
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# First, prove that with -S (no 'import site'), the paths are
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# relative.
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proc = subprocess.Popen([sys.executable, '-S', '-c', command],
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env=env,
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stdout=subprocess.PIPE)
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stdout, stderr = proc.communicate()
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self.assertEqual(proc.returncode, 0)
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os__file__, os__cached__ = stdout.splitlines()[:2]
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self.assertFalse(os.path.isabs(os__file__))
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self.assertFalse(os.path.isabs(os__cached__))
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# Now, with 'import site', it works.
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proc = subprocess.Popen([sys.executable, '-c', command],
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env=env,
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stdout=subprocess.PIPE)
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stdout, stderr = proc.communicate()
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self.assertEqual(proc.returncode, 0)
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os__file__, os__cached__ = stdout.splitlines()[:2]
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self.assertTrue(os.path.isabs(os__file__),
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"expected absolute path, got {}"
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.format(os__file__.decode('ascii')))
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self.assertTrue(os.path.isabs(os__cached__),
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"expected absolute path, got {}"
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.format(os__cached__.decode('ascii')))
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def test_no_duplicate_paths(self):
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# No duplicate paths should exist in sys.path
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# Handled by removeduppaths()
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site.removeduppaths()
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seen_paths = set()
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for path in sys.path:
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self.assertNotIn(path, seen_paths)
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seen_paths.add(path)
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@unittest.skip('test not implemented')
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def test_add_build_dir(self):
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# Test that the build directory's Modules directory is used when it
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# should be.
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# XXX: implement
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pass
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def test_setting_quit(self):
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# 'quit' and 'exit' should be injected into builtins
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self.assertTrue(hasattr(builtins, "quit"))
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self.assertTrue(hasattr(builtins, "exit"))
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def test_setting_copyright(self):
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# 'copyright', 'credits', and 'license' should be in builtins
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self.assertTrue(hasattr(builtins, "copyright"))
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self.assertTrue(hasattr(builtins, "credits"))
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self.assertTrue(hasattr(builtins, "license"))
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def test_setting_help(self):
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# 'help' should be set in builtins
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self.assertTrue(hasattr(builtins, "help"))
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def test_aliasing_mbcs(self):
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if sys.platform == "win32":
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import locale
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if locale.getdefaultlocale()[1].startswith('cp'):
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for value in encodings.aliases.aliases.values():
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if value == "mbcs":
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break
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else:
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self.fail("did not alias mbcs")
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def test_sitecustomize_executed(self):
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# If sitecustomize is available, it should have been imported.
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if "sitecustomize" not in sys.modules:
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try:
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import sitecustomize
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except ImportError:
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pass
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else:
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self.fail("sitecustomize not imported automatically")
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@test.support.requires_resource('network')
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@test.support.system_must_validate_cert
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@unittest.skipUnless(sys.version_info[3] == 'final',
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'only for released versions')
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@unittest.skipUnless(hasattr(urllib.request, "HTTPSHandler"),
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'need SSL support to download license')
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def test_license_exists_at_url(self):
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# This test is a bit fragile since it depends on the format of the
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# string displayed by license in the absence of a LICENSE file.
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url = license._Printer__data.split()[1]
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req = urllib.request.Request(url, method='HEAD')
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try:
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with test.support.transient_internet(url):
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with urllib.request.urlopen(req) as data:
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code = data.getcode()
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except urllib.error.HTTPError as e:
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code = e.code
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self.assertEqual(code, 200, msg="Can't find " + url)
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class StartupImportTests(unittest.TestCase):
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def test_startup_imports(self):
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# This tests checks which modules are loaded by Python when it
|
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# initially starts upon startup.
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popen = subprocess.Popen([sys.executable, '-I', '-v', '-c',
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'import sys; print(set(sys.modules))'],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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encoding='utf-8')
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stdout, stderr = popen.communicate()
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modules = eval(stdout)
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|
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self.assertIn('site', modules)
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|
|
|
# http://bugs.python.org/issue19205
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re_mods = {'re', '_sre', 'sre_compile', 'sre_constants', 'sre_parse'}
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|
# _osx_support uses the re module in many placs
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|
if sys.platform != 'darwin':
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self.assertFalse(modules.intersection(re_mods), stderr)
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|
# http://bugs.python.org/issue9548
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|
self.assertNotIn('locale', modules, stderr)
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|
if sys.platform != 'darwin':
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|
# http://bugs.python.org/issue19209
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|
self.assertNotIn('copyreg', modules, stderr)
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|
# http://bugs.python.org/issue19218>
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|
collection_mods = {'_collections', 'collections', 'functools',
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|
'heapq', 'itertools', 'keyword', 'operator',
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|
'reprlib', 'types', 'weakref'
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|
}.difference(sys.builtin_module_names)
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|
# http://bugs.python.org/issue28095
|
|
if sys.platform != 'darwin':
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|
self.assertFalse(modules.intersection(collection_mods), stderr)
|
|
|
|
def test_startup_interactivehook(self):
|
|
r = subprocess.Popen([sys.executable, '-c',
|
|
'import sys; sys.exit(hasattr(sys, "__interactivehook__"))']).wait()
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|
self.assertTrue(r, "'__interactivehook__' not added by site")
|
|
|
|
def test_startup_interactivehook_isolated(self):
|
|
# issue28192 readline is not automatically enabled in isolated mode
|
|
r = subprocess.Popen([sys.executable, '-I', '-c',
|
|
'import sys; sys.exit(hasattr(sys, "__interactivehook__"))']).wait()
|
|
self.assertFalse(r, "'__interactivehook__' added in isolated mode")
|
|
|
|
def test_startup_interactivehook_isolated_explicit(self):
|
|
# issue28192 readline can be explicitly enabled in isolated mode
|
|
r = subprocess.Popen([sys.executable, '-I', '-c',
|
|
'import site, sys; site.enablerlcompleter(); sys.exit(hasattr(sys, "__interactivehook__"))']).wait()
|
|
self.assertTrue(r, "'__interactivehook__' not added by enablerlcompleter()")
|
|
|
|
|
|
@unittest.skipUnless(sys.platform == 'win32', "only supported on Windows")
|
|
class _pthFileTests(unittest.TestCase):
|
|
|
|
def _create_underpth_exe(self, lines):
|
|
temp_dir = tempfile.mkdtemp()
|
|
self.addCleanup(test.support.rmtree, temp_dir)
|
|
exe_file = os.path.join(temp_dir, os.path.split(sys.executable)[1])
|
|
shutil.copy(sys.executable, exe_file)
|
|
_pth_file = os.path.splitext(exe_file)[0] + '._pth'
|
|
with open(_pth_file, 'w') as f:
|
|
for line in lines:
|
|
print(line, file=f)
|
|
return exe_file
|
|
|
|
def _calc_sys_path_for_underpth_nosite(self, sys_prefix, lines):
|
|
sys_path = []
|
|
for line in lines:
|
|
if not line or line[0] == '#':
|
|
continue
|
|
abs_path = os.path.abspath(os.path.join(sys_prefix, line))
|
|
sys_path.append(abs_path)
|
|
return sys_path
|
|
|
|
def test_underpth_nosite_file(self):
|
|
libpath = os.path.dirname(os.path.dirname(encodings.__file__))
|
|
exe_prefix = os.path.dirname(sys.executable)
|
|
pth_lines = [
|
|
'fake-path-name',
|
|
*[libpath for _ in range(200)],
|
|
'',
|
|
'# comment',
|
|
]
|
|
exe_file = self._create_underpth_exe(pth_lines)
|
|
sys_path = self._calc_sys_path_for_underpth_nosite(
|
|
os.path.dirname(exe_file),
|
|
pth_lines)
|
|
|
|
env = os.environ.copy()
|
|
env['PYTHONPATH'] = 'from-env'
|
|
env['PATH'] = '{};{}'.format(exe_prefix, os.getenv('PATH'))
|
|
output = subprocess.check_output([exe_file, '-c',
|
|
'import sys; print("\\n".join(sys.path) if sys.flags.no_site else "")'
|
|
], env=env, encoding='ansi')
|
|
actual_sys_path = output.rstrip().split('\n')
|
|
self.assert_(actual_sys_path, "sys.flags.no_site was False")
|
|
self.assertEqual(
|
|
actual_sys_path,
|
|
sys_path,
|
|
"sys.path is incorrect"
|
|
)
|
|
|
|
def test_underpth_file(self):
|
|
libpath = os.path.dirname(os.path.dirname(encodings.__file__))
|
|
exe_prefix = os.path.dirname(sys.executable)
|
|
exe_file = self._create_underpth_exe([
|
|
'fake-path-name',
|
|
*[libpath for _ in range(200)],
|
|
'',
|
|
'# comment',
|
|
'import site'
|
|
])
|
|
sys_prefix = os.path.dirname(exe_file)
|
|
env = os.environ.copy()
|
|
env['PYTHONPATH'] = 'from-env'
|
|
env['PATH'] = '{};{}'.format(exe_prefix, os.getenv('PATH'))
|
|
rc = subprocess.call([exe_file, '-c',
|
|
'import sys; sys.exit(not sys.flags.no_site and '
|
|
'%r in sys.path and %r in sys.path and %r not in sys.path and '
|
|
'all("\\r" not in p and "\\n" not in p for p in sys.path))' % (
|
|
os.path.join(sys_prefix, 'fake-path-name'),
|
|
libpath,
|
|
os.path.join(sys_prefix, 'from-env'),
|
|
)], env=env)
|
|
self.assertTrue(rc, "sys.path is incorrect")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|