237 lines
8.5 KiB
Python
237 lines
8.5 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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from test.test_support import TestSkipped, TestFailed, run_unittest, TESTFN
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import __builtin__
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import os
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import sys
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import encodings
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import tempfile
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# Need to make sure to not import 'site' if someone specified ``-S`` at the
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# command-line. Detect this by just making sure 'site' has not been imported
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# already.
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if "site" in sys.modules:
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import site
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else:
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raise TestSkipped("importation of site.py suppressed")
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class HelperFunctionsTests(unittest.TestCase):
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"""Tests for helper functions.
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The setting of the encoding (set using sys.setdefaultencoding) used by
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the Unicode implementation is not tested.
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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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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_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.failUnlessEqual(os.path.abspath(original_dir), abs_dir)
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if original_dir == os.path.normcase(original_dir):
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self.failUnlessEqual(abs_dir, norm_dir)
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else:
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self.failUnlessEqual(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.isdir(path)]:
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self.failUnless(entry in 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.failUnless(pth_file.imported in sys.modules,
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"%s not in sys.path" % pth_file.imported)
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self.failUnless(site.makepath(pth_file.good_dir_path)[0] in sys.path)
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self.failUnless(not 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 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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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>>FILE, "#import @bad module name"
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print>>FILE, "\n"
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print>>FILE, "import %s" % self.imported
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print>>FILE, self.good_dirname
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print>>FILE, self.bad_dirname
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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__file__(self):
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# Make sure all imported modules have their __file__ attribute
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# as an absolute path.
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# Handled by abs__file__()
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site.abs__file__()
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for module in (sys, os, __builtin__):
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try:
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self.failUnless(os.path.isabs(module.__file__), `module`)
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except AttributeError:
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continue
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# We could try everything in sys.modules; however, when regrtest.py
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# runs something like test_frozen before test_site, then we will
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# be testing things loaded *after* test_site did path normalization
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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.failUnless(path not in seen_paths)
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seen_paths.add(path)
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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 __builtin__
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self.failUnless(hasattr(__builtin__, "quit"))
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self.failUnless(hasattr(__builtin__, "exit"))
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def test_setting_copyright(self):
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# 'copyright' and 'credits' should be in __builtin__
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self.failUnless(hasattr(__builtin__, "copyright"))
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self.failUnless(hasattr(__builtin__, "credits"))
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def test_setting_help(self):
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# 'help' should be set in __builtin__
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self.failUnless(hasattr(__builtin__, "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.itervalues():
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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_setdefaultencoding_removed(self):
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# Make sure sys.setdefaultencoding is gone
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self.failUnless(not hasattr(sys, "setdefaultencoding"))
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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 not sys.modules.has_key("sitecustomize"):
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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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def test_main():
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run_unittest(HelperFunctionsTests, ImportSideEffectTests)
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if __name__ == "__main__":
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test_main()
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