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			761 lines
		
	
	
	
		
			29 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			761 lines
		
	
	
	
		
			29 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| import sys
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| import os
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| import marshal
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| import importlib
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| import importlib.util
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| import struct
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| import time
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| import unittest
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| 
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| from test import support
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| 
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| from zipfile import ZipFile, ZipInfo, ZIP_STORED, ZIP_DEFLATED
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| 
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| import zipimport
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| import linecache
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| import doctest
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| import inspect
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| import io
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| from traceback import extract_tb, extract_stack, print_tb
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| try:
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|     import zlib
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| except ImportError:
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|     zlib = None
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| 
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| test_src = """\
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| def get_name():
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|     return __name__
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| def get_file():
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|     return __file__
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| """
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| test_co = compile(test_src, "<???>", "exec")
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| raise_src = 'def do_raise(): raise TypeError\n'
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| 
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| def make_pyc(co, mtime, size):
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|     data = marshal.dumps(co)
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|     if type(mtime) is type(0.0):
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|         # Mac mtimes need a bit of special casing
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|         if mtime < 0x7fffffff:
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|             mtime = int(mtime)
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|         else:
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|             mtime = int(-0x100000000 + int(mtime))
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|     pyc = (importlib.util.MAGIC_NUMBER +
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|         struct.pack("<iii", 0, int(mtime), size & 0xFFFFFFFF) + data)
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|     return pyc
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| 
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| def module_path_to_dotted_name(path):
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|     return path.replace(os.sep, '.')
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| 
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| NOW = time.time()
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| test_pyc = make_pyc(test_co, NOW, len(test_src))
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| 
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| 
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| TESTMOD = "ziptestmodule"
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| TESTPACK = "ziptestpackage"
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| TESTPACK2 = "ziptestpackage2"
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| TEMP_DIR = os.path.abspath("junk95142")
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| TEMP_ZIP = os.path.abspath("junk95142.zip")
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| 
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| pyc_file = importlib.util.cache_from_source(TESTMOD + '.py')
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| pyc_ext = '.pyc'
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| 
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| 
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| class ImportHooksBaseTestCase(unittest.TestCase):
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| 
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|     def setUp(self):
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|         self.path = sys.path[:]
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|         self.meta_path = sys.meta_path[:]
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|         self.path_hooks = sys.path_hooks[:]
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|         sys.path_importer_cache.clear()
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|         self.modules_before = support.modules_setup()
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| 
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|     def tearDown(self):
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|         sys.path[:] = self.path
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|         sys.meta_path[:] = self.meta_path
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|         sys.path_hooks[:] = self.path_hooks
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|         sys.path_importer_cache.clear()
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|         support.modules_cleanup(*self.modules_before)
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| 
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| 
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| class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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| 
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|     compression = ZIP_STORED
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| 
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|     def setUp(self):
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|         # We're reusing the zip archive path, so we must clear the
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|         # cached directory info and linecache.
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|         linecache.clearcache()
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|         zipimport._zip_directory_cache.clear()
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|         ImportHooksBaseTestCase.setUp(self)
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| 
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|     def makeTree(self, files, dirName=TEMP_DIR):
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|         # Create a filesystem based set of modules/packages
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|         # defined by files under the directory dirName.
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|         self.addCleanup(support.rmtree, dirName)
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| 
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|         for name, (mtime, data) in files.items():
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|             path = os.path.join(dirName, name)
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|             if path[-1] == os.sep:
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|                 if not os.path.isdir(path):
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|                     os.makedirs(path)
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|             else:
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|                 dname = os.path.dirname(path)
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|                 if not os.path.isdir(dname):
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|                     os.makedirs(dname)
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|                 with open(path, 'wb') as fp:
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|                     fp.write(data)
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| 
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|     def makeZip(self, files, zipName=TEMP_ZIP, **kw):
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|         # Create a zip archive based set of modules/packages
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|         # defined by files in the zip file zipName.  If the
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|         # key 'stuff' exists in kw it is prepended to the archive.
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|         self.addCleanup(support.unlink, zipName)
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| 
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|         with ZipFile(zipName, "w") as z:
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|             for name, (mtime, data) in files.items():
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|                 zinfo = ZipInfo(name, time.localtime(mtime))
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|                 zinfo.compress_type = self.compression
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|                 z.writestr(zinfo, data)
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|             comment = kw.get("comment", None)
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|             if comment is not None:
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|                 z.comment = comment
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| 
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|         stuff = kw.get("stuff", None)
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|         if stuff is not None:
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|             # Prepend 'stuff' to the start of the zipfile
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|             with open(zipName, "rb") as f:
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|                 data = f.read()
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|             with open(zipName, "wb") as f:
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|                 f.write(stuff)
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|                 f.write(data)
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| 
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|     def doTest(self, expected_ext, files, *modules, **kw):
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|         self.makeZip(files, **kw)
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| 
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|         sys.path.insert(0, TEMP_ZIP)
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| 
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|         mod = importlib.import_module(".".join(modules))
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| 
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|         call = kw.get('call')
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|         if call is not None:
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|             call(mod)
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| 
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|         if expected_ext:
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|             file = mod.get_file()
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|             self.assertEqual(file, os.path.join(TEMP_ZIP,
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|                                  *modules) + expected_ext)
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| 
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|     def testAFakeZlib(self):
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|         #
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|         # This could cause a stack overflow before: importing zlib.py
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|         # from a compressed archive would cause zlib to be imported
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|         # which would find zlib.py in the archive, which would... etc.
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|         #
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|         # This test *must* be executed first: it must be the first one
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|         # to trigger zipimport to import zlib (zipimport caches the
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|         # zlib.decompress function object, after which the problem being
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|         # tested here wouldn't be a problem anymore...
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|         # (Hence the 'A' in the test method name: to make it the first
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|         # item in a list sorted by name, like unittest.makeSuite() does.)
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|         #
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|         # This test fails on platforms on which the zlib module is
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|         # statically linked, but the problem it tests for can't
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|         # occur in that case (builtin modules are always found first),
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|         # so we'll simply skip it then. Bug #765456.
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|         #
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|         if "zlib" in sys.builtin_module_names:
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|             self.skipTest('zlib is a builtin module')
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|         if "zlib" in sys.modules:
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|             del sys.modules["zlib"]
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|         files = {"zlib.py": (NOW, test_src)}
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|         try:
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|             self.doTest(".py", files, "zlib")
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|         except ImportError:
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|             if self.compression != ZIP_DEFLATED:
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|                 self.fail("expected test to not raise ImportError")
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|         else:
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|             if self.compression != ZIP_STORED:
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|                 self.fail("expected test to raise ImportError")
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| 
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|     def testPy(self):
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|         files = {TESTMOD + ".py": (NOW, test_src)}
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|         self.doTest(".py", files, TESTMOD)
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| 
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|     def testPyc(self):
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|         files = {TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         self.doTest(pyc_ext, files, TESTMOD)
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| 
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|     def testBoth(self):
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|         files = {TESTMOD + ".py": (NOW, test_src),
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|                  TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         self.doTest(pyc_ext, files, TESTMOD)
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| 
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|     def testUncheckedHashBasedPyc(self):
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|         source = b"state = 'old'"
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|         source_hash = importlib.util.source_hash(source)
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|         bytecode = importlib._bootstrap_external._code_to_hash_pyc(
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|             compile(source, "???", "exec"),
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|             source_hash,
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|             False, # unchecked
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|         )
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|         files = {TESTMOD + ".py": (NOW, "state = 'new'"),
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|                  TESTMOD + ".pyc": (NOW - 20, bytecode)}
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|         def check(mod):
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|             self.assertEqual(mod.state, 'old')
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|         self.doTest(None, files, TESTMOD, call=check)
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| 
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|     def testEmptyPy(self):
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|         files = {TESTMOD + ".py": (NOW, "")}
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|         self.doTest(None, files, TESTMOD)
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| 
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|     def testBadMagic(self):
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|         # make pyc magic word invalid, forcing loading from .py
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|         badmagic_pyc = bytearray(test_pyc)
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|         badmagic_pyc[0] ^= 0x04  # flip an arbitrary bit
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|         files = {TESTMOD + ".py": (NOW, test_src),
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|                  TESTMOD + pyc_ext: (NOW, badmagic_pyc)}
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|         self.doTest(".py", files, TESTMOD)
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| 
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|     def testBadMagic2(self):
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|         # make pyc magic word invalid, causing an ImportError
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|         badmagic_pyc = bytearray(test_pyc)
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|         badmagic_pyc[0] ^= 0x04  # flip an arbitrary bit
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|         files = {TESTMOD + pyc_ext: (NOW, badmagic_pyc)}
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|         try:
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|             self.doTest(".py", files, TESTMOD)
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|         except ImportError:
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|             pass
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|         else:
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|             self.fail("expected ImportError; import from bad pyc")
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| 
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|     def testBadMTime(self):
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|         badtime_pyc = bytearray(test_pyc)
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|         # flip the second bit -- not the first as that one isn't stored in the
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|         # .py's mtime in the zip archive.
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|         badtime_pyc[11] ^= 0x02
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|         files = {TESTMOD + ".py": (NOW, test_src),
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|                  TESTMOD + pyc_ext: (NOW, badtime_pyc)}
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|         self.doTest(".py", files, TESTMOD)
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| 
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|     def testPackage(self):
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|         packdir = TESTPACK + os.sep
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|         files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc),
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|                  packdir + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         self.doTest(pyc_ext, files, TESTPACK, TESTMOD)
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| 
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|     def testSubPackage(self):
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|         # Test that subpackages function when loaded from zip
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|         # archives.
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|         packdir = TESTPACK + os.sep
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|         packdir2 = packdir + TESTPACK2 + os.sep
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|         files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc),
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|                  packdir2 + "__init__" + pyc_ext: (NOW, test_pyc),
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|                  packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         self.doTest(pyc_ext, files, TESTPACK, TESTPACK2, TESTMOD)
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| 
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|     def testSubNamespacePackage(self):
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|         # Test that implicit namespace subpackages function
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|         # when loaded from zip archives.
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|         packdir = TESTPACK + os.sep
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|         packdir2 = packdir + TESTPACK2 + os.sep
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|         # The first two files are just directory entries (so have no data).
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|         files = {packdir: (NOW, ""),
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|                  packdir2: (NOW, ""),
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|                  packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         self.doTest(pyc_ext, files, TESTPACK, TESTPACK2, TESTMOD)
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| 
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|     def testMixedNamespacePackage(self):
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|         # Test implicit namespace packages spread between a
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|         # real filesystem and a zip archive.
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|         packdir = TESTPACK + os.sep
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|         packdir2 = packdir + TESTPACK2 + os.sep
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|         packdir3 = packdir2 + TESTPACK + '3' + os.sep
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|         files1 = {packdir: (NOW, ""),
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|                   packdir + TESTMOD + pyc_ext: (NOW, test_pyc),
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|                   packdir2: (NOW, ""),
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|                   packdir3: (NOW, ""),
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|                   packdir3 + TESTMOD + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + '3' + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         files2 = {packdir: (NOW, ""),
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|                   packdir + TESTMOD + '2' + pyc_ext: (NOW, test_pyc),
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|                   packdir2: (NOW, ""),
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|                   packdir2 + TESTMOD + '2' + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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| 
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|         zip1 = os.path.abspath("path1.zip")
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|         self.makeZip(files1, zip1)
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| 
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|         zip2 = TEMP_DIR
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|         self.makeTree(files2, zip2)
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| 
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|         # zip2 should override zip1.
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|         sys.path.insert(0, zip1)
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|         sys.path.insert(0, zip2)
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| 
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|         mod = importlib.import_module(TESTPACK)
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| 
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|         # if TESTPACK is functioning as a namespace pkg then
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|         # there should be two entries in the __path__.
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|         # First should be path2 and second path1.
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|         self.assertEqual(2, len(mod.__path__))
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|         p1, p2 = mod.__path__
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|         self.assertEqual(os.path.basename(TEMP_DIR), p1.split(os.sep)[-2])
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|         self.assertEqual("path1.zip", p2.split(os.sep)[-2])
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| 
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|         # packdir3 should import as a namespace package.
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|         # Its __path__ is an iterable of 1 element from zip1.
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|         mod = importlib.import_module(packdir3.replace(os.sep, '.')[:-1])
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|         self.assertEqual(1, len(mod.__path__))
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|         mpath = list(mod.__path__)[0].split('path1.zip' + os.sep)[1]
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|         self.assertEqual(packdir3[:-1], mpath)
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| 
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|         # TESTPACK/TESTMOD only exists in path1.
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|         mod = importlib.import_module('.'.join((TESTPACK, TESTMOD)))
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|         self.assertEqual("path1.zip", mod.__file__.split(os.sep)[-3])
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| 
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|         # And TESTPACK/(TESTMOD + '2') only exists in path2.
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|         mod = importlib.import_module('.'.join((TESTPACK, TESTMOD + '2')))
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|         self.assertEqual(os.path.basename(TEMP_DIR),
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|                          mod.__file__.split(os.sep)[-3])
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| 
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|         # One level deeper...
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|         subpkg = '.'.join((TESTPACK, TESTPACK2))
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|         mod = importlib.import_module(subpkg)
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|         self.assertEqual(2, len(mod.__path__))
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|         p1, p2 = mod.__path__
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|         self.assertEqual(os.path.basename(TEMP_DIR), p1.split(os.sep)[-3])
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|         self.assertEqual("path1.zip", p2.split(os.sep)[-3])
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| 
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|         # subpkg.TESTMOD exists in both zips should load from zip2.
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|         mod = importlib.import_module('.'.join((subpkg, TESTMOD)))
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|         self.assertEqual(os.path.basename(TEMP_DIR),
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|                          mod.__file__.split(os.sep)[-4])
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| 
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|         # subpkg.TESTMOD + '2' only exists in zip2.
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|         mod = importlib.import_module('.'.join((subpkg, TESTMOD + '2')))
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|         self.assertEqual(os.path.basename(TEMP_DIR),
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|                          mod.__file__.split(os.sep)[-4])
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| 
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|         # Finally subpkg.TESTMOD + '3' only exists in zip1.
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|         mod = importlib.import_module('.'.join((subpkg, TESTMOD + '3')))
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|         self.assertEqual('path1.zip', mod.__file__.split(os.sep)[-4])
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| 
 | |
|     def testNamespacePackage(self):
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|         # Test implicit namespace packages spread between multiple zip
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|         # archives.
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|         packdir = TESTPACK + os.sep
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|         packdir2 = packdir + TESTPACK2 + os.sep
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|         packdir3 = packdir2 + TESTPACK + '3' + os.sep
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|         files1 = {packdir: (NOW, ""),
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|                   packdir + TESTMOD + pyc_ext: (NOW, test_pyc),
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|                   packdir2: (NOW, ""),
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|                   packdir3: (NOW, ""),
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|                   packdir3 + TESTMOD + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + '3' + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         zip1 = os.path.abspath("path1.zip")
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|         self.makeZip(files1, zip1)
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| 
 | |
|         files2 = {packdir: (NOW, ""),
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|                   packdir + TESTMOD + '2' + pyc_ext: (NOW, test_pyc),
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|                   packdir2: (NOW, ""),
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|                   packdir2 + TESTMOD + '2' + pyc_ext: (NOW, test_pyc),
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|                   packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
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|         zip2 = os.path.abspath("path2.zip")
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|         self.makeZip(files2, zip2)
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| 
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|         # zip2 should override zip1.
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|         sys.path.insert(0, zip1)
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|         sys.path.insert(0, zip2)
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| 
 | |
|         mod = importlib.import_module(TESTPACK)
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| 
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|         # if TESTPACK is functioning as a namespace pkg then
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|         # there should be two entries in the __path__.
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|         # First should be path2 and second path1.
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|         self.assertEqual(2, len(mod.__path__))
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|         p1, p2 = mod.__path__
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|         self.assertEqual("path2.zip", p1.split(os.sep)[-2])
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|         self.assertEqual("path1.zip", p2.split(os.sep)[-2])
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| 
 | |
|         # packdir3 should import as a namespace package.
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|         # Tts __path__ is an iterable of 1 element from zip1.
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|         mod = importlib.import_module(packdir3.replace(os.sep, '.')[:-1])
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|         self.assertEqual(1, len(mod.__path__))
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|         mpath = list(mod.__path__)[0].split('path1.zip' + os.sep)[1]
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|         self.assertEqual(packdir3[:-1], mpath)
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| 
 | |
|         # TESTPACK/TESTMOD only exists in path1.
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|         mod = importlib.import_module('.'.join((TESTPACK, TESTMOD)))
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|         self.assertEqual("path1.zip", mod.__file__.split(os.sep)[-3])
 | |
| 
 | |
|         # And TESTPACK/(TESTMOD + '2') only exists in path2.
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|         mod = importlib.import_module('.'.join((TESTPACK, TESTMOD + '2')))
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|         self.assertEqual("path2.zip", mod.__file__.split(os.sep)[-3])
 | |
| 
 | |
|         # One level deeper...
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|         subpkg = '.'.join((TESTPACK, TESTPACK2))
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|         mod = importlib.import_module(subpkg)
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|         self.assertEqual(2, len(mod.__path__))
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|         p1, p2 = mod.__path__
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|         self.assertEqual("path2.zip", p1.split(os.sep)[-3])
 | |
|         self.assertEqual("path1.zip", p2.split(os.sep)[-3])
 | |
| 
 | |
|         # subpkg.TESTMOD exists in both zips should load from zip2.
 | |
|         mod = importlib.import_module('.'.join((subpkg, TESTMOD)))
 | |
|         self.assertEqual('path2.zip', mod.__file__.split(os.sep)[-4])
 | |
| 
 | |
|         # subpkg.TESTMOD + '2' only exists in zip2.
 | |
|         mod = importlib.import_module('.'.join((subpkg, TESTMOD + '2')))
 | |
|         self.assertEqual('path2.zip', mod.__file__.split(os.sep)[-4])
 | |
| 
 | |
|         # Finally subpkg.TESTMOD + '3' only exists in zip1.
 | |
|         mod = importlib.import_module('.'.join((subpkg, TESTMOD + '3')))
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|         self.assertEqual('path1.zip', mod.__file__.split(os.sep)[-4])
 | |
| 
 | |
|     def testZipImporterMethods(self):
 | |
|         packdir = TESTPACK + os.sep
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|         packdir2 = packdir + TESTPACK2 + os.sep
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|         files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc),
 | |
|                  packdir2 + "__init__" + pyc_ext: (NOW, test_pyc),
 | |
|                  packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc),
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|                  "spam" + pyc_ext: (NOW, test_pyc)}
 | |
| 
 | |
|         self.addCleanup(support.unlink, TEMP_ZIP)
 | |
|         with ZipFile(TEMP_ZIP, "w") as z:
 | |
|             for name, (mtime, data) in files.items():
 | |
|                 zinfo = ZipInfo(name, time.localtime(mtime))
 | |
|                 zinfo.compress_type = self.compression
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|                 zinfo.comment = b"spam"
 | |
|                 z.writestr(zinfo, data)
 | |
| 
 | |
|         zi = zipimport.zipimporter(TEMP_ZIP)
 | |
|         self.assertEqual(zi.archive, TEMP_ZIP)
 | |
|         self.assertEqual(zi.is_package(TESTPACK), True)
 | |
| 
 | |
|         find_mod = zi.find_module('spam')
 | |
|         self.assertIsNotNone(find_mod)
 | |
|         self.assertIsInstance(find_mod, zipimport.zipimporter)
 | |
|         self.assertFalse(find_mod.is_package('spam'))
 | |
|         load_mod = find_mod.load_module('spam')
 | |
|         self.assertEqual(find_mod.get_filename('spam'), load_mod.__file__)
 | |
| 
 | |
|         mod = zi.load_module(TESTPACK)
 | |
|         self.assertEqual(zi.get_filename(TESTPACK), mod.__file__)
 | |
| 
 | |
|         existing_pack_path = importlib.import_module(TESTPACK).__path__[0]
 | |
|         expected_path_path = os.path.join(TEMP_ZIP, TESTPACK)
 | |
|         self.assertEqual(existing_pack_path, expected_path_path)
 | |
| 
 | |
|         self.assertEqual(zi.is_package(packdir + '__init__'), False)
 | |
|         self.assertEqual(zi.is_package(packdir + TESTPACK2), True)
 | |
|         self.assertEqual(zi.is_package(packdir2 + TESTMOD), False)
 | |
| 
 | |
|         mod_path = packdir2 + TESTMOD
 | |
|         mod_name = module_path_to_dotted_name(mod_path)
 | |
|         mod = importlib.import_module(mod_name)
 | |
|         self.assertTrue(mod_name in sys.modules)
 | |
|         self.assertEqual(zi.get_source(TESTPACK), None)
 | |
|         self.assertEqual(zi.get_source(mod_path), None)
 | |
|         self.assertEqual(zi.get_filename(mod_path), mod.__file__)
 | |
|         # To pass in the module name instead of the path, we must use the
 | |
|         # right importer
 | |
|         loader = mod.__loader__
 | |
|         self.assertEqual(loader.get_source(mod_name), None)
 | |
|         self.assertEqual(loader.get_filename(mod_name), mod.__file__)
 | |
| 
 | |
|         # test prefix and archivepath members
 | |
|         zi2 = zipimport.zipimporter(TEMP_ZIP + os.sep + TESTPACK)
 | |
|         self.assertEqual(zi2.archive, TEMP_ZIP)
 | |
|         self.assertEqual(zi2.prefix, TESTPACK + os.sep)
 | |
| 
 | |
|     def testZipImporterMethodsInSubDirectory(self):
 | |
|         packdir = TESTPACK + os.sep
 | |
|         packdir2 = packdir + TESTPACK2 + os.sep
 | |
|         files = {packdir2 + "__init__" + pyc_ext: (NOW, test_pyc),
 | |
|                  packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)}
 | |
| 
 | |
|         self.addCleanup(support.unlink, TEMP_ZIP)
 | |
|         with ZipFile(TEMP_ZIP, "w") as z:
 | |
|             for name, (mtime, data) in files.items():
 | |
|                 zinfo = ZipInfo(name, time.localtime(mtime))
 | |
|                 zinfo.compress_type = self.compression
 | |
|                 zinfo.comment = b"eggs"
 | |
|                 z.writestr(zinfo, data)
 | |
| 
 | |
|         zi = zipimport.zipimporter(TEMP_ZIP + os.sep + packdir)
 | |
|         self.assertEqual(zi.archive, TEMP_ZIP)
 | |
|         self.assertEqual(zi.prefix, packdir)
 | |
|         self.assertEqual(zi.is_package(TESTPACK2), True)
 | |
|         mod = zi.load_module(TESTPACK2)
 | |
|         self.assertEqual(zi.get_filename(TESTPACK2), mod.__file__)
 | |
| 
 | |
|         self.assertEqual(
 | |
|             zi.is_package(TESTPACK2 + os.sep + '__init__'), False)
 | |
|         self.assertEqual(
 | |
|             zi.is_package(TESTPACK2 + os.sep + TESTMOD), False)
 | |
| 
 | |
|         pkg_path = TEMP_ZIP + os.sep + packdir + TESTPACK2
 | |
|         zi2 = zipimport.zipimporter(pkg_path)
 | |
|         find_mod_dotted = zi2.find_module(TESTMOD)
 | |
|         self.assertIsNotNone(find_mod_dotted)
 | |
|         self.assertIsInstance(find_mod_dotted, zipimport.zipimporter)
 | |
|         self.assertFalse(zi2.is_package(TESTMOD))
 | |
|         load_mod = find_mod_dotted.load_module(TESTMOD)
 | |
|         self.assertEqual(
 | |
|             find_mod_dotted.get_filename(TESTMOD), load_mod.__file__)
 | |
| 
 | |
|         mod_path = TESTPACK2 + os.sep + TESTMOD
 | |
|         mod_name = module_path_to_dotted_name(mod_path)
 | |
|         mod = importlib.import_module(mod_name)
 | |
|         self.assertTrue(mod_name in sys.modules)
 | |
|         self.assertEqual(zi.get_source(TESTPACK2), None)
 | |
|         self.assertEqual(zi.get_source(mod_path), None)
 | |
|         self.assertEqual(zi.get_filename(mod_path), mod.__file__)
 | |
|         # To pass in the module name instead of the path, we must use the
 | |
|         # right importer.
 | |
|         loader = mod.__loader__
 | |
|         self.assertEqual(loader.get_source(mod_name), None)
 | |
|         self.assertEqual(loader.get_filename(mod_name), mod.__file__)
 | |
| 
 | |
|     def testGetData(self):
 | |
|         self.addCleanup(support.unlink, TEMP_ZIP)
 | |
|         with ZipFile(TEMP_ZIP, "w") as z:
 | |
|             z.compression = self.compression
 | |
|             name = "testdata.dat"
 | |
|             data = bytes(x for x in range(256))
 | |
|             z.writestr(name, data)
 | |
| 
 | |
|         zi = zipimport.zipimporter(TEMP_ZIP)
 | |
|         self.assertEqual(data, zi.get_data(name))
 | |
|         self.assertIn('zipimporter object', repr(zi))
 | |
| 
 | |
|     def testImporterAttr(self):
 | |
|         src = """if 1:  # indent hack
 | |
|         def get_file():
 | |
|             return __file__
 | |
|         if __loader__.get_data("some.data") != b"some data":
 | |
|             raise AssertionError("bad data")\n"""
 | |
|         pyc = make_pyc(compile(src, "<???>", "exec"), NOW, len(src))
 | |
|         files = {TESTMOD + pyc_ext: (NOW, pyc),
 | |
|                  "some.data": (NOW, "some data")}
 | |
|         self.doTest(pyc_ext, files, TESTMOD)
 | |
| 
 | |
|     def testDefaultOptimizationLevel(self):
 | |
|         # zipimport should use the default optimization level (#28131)
 | |
|         src = """if 1:  # indent hack
 | |
|         def test(val):
 | |
|             assert(val)
 | |
|             return val\n"""
 | |
|         files = {TESTMOD + '.py': (NOW, src)}
 | |
|         self.makeZip(files)
 | |
|         sys.path.insert(0, TEMP_ZIP)
 | |
|         mod = importlib.import_module(TESTMOD)
 | |
|         self.assertEqual(mod.test(1), 1)
 | |
|         self.assertRaises(AssertionError, mod.test, False)
 | |
| 
 | |
|     def testImport_WithStuff(self):
 | |
|         # try importing from a zipfile which contains additional
 | |
|         # stuff at the beginning of the file
 | |
|         files = {TESTMOD + ".py": (NOW, test_src)}
 | |
|         self.doTest(".py", files, TESTMOD,
 | |
|                     stuff=b"Some Stuff"*31)
 | |
| 
 | |
|     def assertModuleSource(self, module):
 | |
|         self.assertEqual(inspect.getsource(module), test_src)
 | |
| 
 | |
|     def testGetSource(self):
 | |
|         files = {TESTMOD + ".py": (NOW, test_src)}
 | |
|         self.doTest(".py", files, TESTMOD, call=self.assertModuleSource)
 | |
| 
 | |
|     def testGetCompiledSource(self):
 | |
|         pyc = make_pyc(compile(test_src, "<???>", "exec"), NOW, len(test_src))
 | |
|         files = {TESTMOD + ".py": (NOW, test_src),
 | |
|                  TESTMOD + pyc_ext: (NOW, pyc)}
 | |
|         self.doTest(pyc_ext, files, TESTMOD, call=self.assertModuleSource)
 | |
| 
 | |
|     def runDoctest(self, callback):
 | |
|         files = {TESTMOD + ".py": (NOW, test_src),
 | |
|                  "xyz.txt": (NOW, ">>> log.append(True)\n")}
 | |
|         self.doTest(".py", files, TESTMOD, call=callback)
 | |
| 
 | |
|     def doDoctestFile(self, module):
 | |
|         log = []
 | |
|         old_master, doctest.master = doctest.master, None
 | |
|         try:
 | |
|             doctest.testfile(
 | |
|                 'xyz.txt', package=module, module_relative=True,
 | |
|                 globs=locals()
 | |
|             )
 | |
|         finally:
 | |
|             doctest.master = old_master
 | |
|         self.assertEqual(log,[True])
 | |
| 
 | |
|     def testDoctestFile(self):
 | |
|         self.runDoctest(self.doDoctestFile)
 | |
| 
 | |
|     def doDoctestSuite(self, module):
 | |
|         log = []
 | |
|         doctest.DocFileTest(
 | |
|             'xyz.txt', package=module, module_relative=True,
 | |
|             globs=locals()
 | |
|         ).run()
 | |
|         self.assertEqual(log,[True])
 | |
| 
 | |
|     def testDoctestSuite(self):
 | |
|         self.runDoctest(self.doDoctestSuite)
 | |
| 
 | |
|     def doTraceback(self, module):
 | |
|         try:
 | |
|             module.do_raise()
 | |
|         except:
 | |
|             tb = sys.exc_info()[2].tb_next
 | |
| 
 | |
|             f,lno,n,line = extract_tb(tb, 1)[0]
 | |
|             self.assertEqual(line, raise_src.strip())
 | |
| 
 | |
|             f,lno,n,line = extract_stack(tb.tb_frame, 1)[0]
 | |
|             self.assertEqual(line, raise_src.strip())
 | |
| 
 | |
|             s = io.StringIO()
 | |
|             print_tb(tb, 1, s)
 | |
|             self.assertTrue(s.getvalue().endswith(raise_src))
 | |
|         else:
 | |
|             raise AssertionError("This ought to be impossible")
 | |
| 
 | |
|     def testTraceback(self):
 | |
|         files = {TESTMOD + ".py": (NOW, raise_src)}
 | |
|         self.doTest(None, files, TESTMOD, call=self.doTraceback)
 | |
| 
 | |
|     @unittest.skipIf(support.TESTFN_UNENCODABLE is None,
 | |
|                      "need an unencodable filename")
 | |
|     def testUnencodable(self):
 | |
|         filename = support.TESTFN_UNENCODABLE + ".zip"
 | |
|         self.addCleanup(support.unlink, filename)
 | |
|         with ZipFile(filename, "w") as z:
 | |
|             zinfo = ZipInfo(TESTMOD + ".py", time.localtime(NOW))
 | |
|             zinfo.compress_type = self.compression
 | |
|             z.writestr(zinfo, test_src)
 | |
|         zipimport.zipimporter(filename).load_module(TESTMOD)
 | |
| 
 | |
|     def testBytesPath(self):
 | |
|         filename = support.TESTFN + ".zip"
 | |
|         self.addCleanup(support.unlink, filename)
 | |
|         with ZipFile(filename, "w") as z:
 | |
|             zinfo = ZipInfo(TESTMOD + ".py", time.localtime(NOW))
 | |
|             zinfo.compress_type = self.compression
 | |
|             z.writestr(zinfo, test_src)
 | |
| 
 | |
|         zipimport.zipimporter(filename)
 | |
|         zipimport.zipimporter(os.fsencode(filename))
 | |
|         with self.assertRaises(TypeError):
 | |
|             zipimport.zipimporter(bytearray(os.fsencode(filename)))
 | |
|         with self.assertRaises(TypeError):
 | |
|             zipimport.zipimporter(memoryview(os.fsencode(filename)))
 | |
| 
 | |
|     def testComment(self):
 | |
|         files = {TESTMOD + ".py": (NOW, test_src)}
 | |
|         self.doTest(".py", files, TESTMOD, comment=b"comment")
 | |
| 
 | |
|     def testBeginningCruftAndComment(self):
 | |
|         files = {TESTMOD + ".py": (NOW, test_src)}
 | |
|         self.doTest(".py", files, TESTMOD, stuff=b"cruft" * 64, comment=b"hi")
 | |
| 
 | |
|     def testLargestPossibleComment(self):
 | |
|         files = {TESTMOD + ".py": (NOW, test_src)}
 | |
|         self.doTest(".py", files, TESTMOD, comment=b"c" * ((1 << 16) - 1))
 | |
| 
 | |
| 
 | |
| @support.requires_zlib
 | |
| class CompressedZipImportTestCase(UncompressedZipImportTestCase):
 | |
|     compression = ZIP_DEFLATED
 | |
| 
 | |
| 
 | |
| class BadFileZipImportTestCase(unittest.TestCase):
 | |
|     def assertZipFailure(self, filename):
 | |
|         self.assertRaises(zipimport.ZipImportError,
 | |
|                           zipimport.zipimporter, filename)
 | |
| 
 | |
|     def testNoFile(self):
 | |
|         self.assertZipFailure('AdfjdkFJKDFJjdklfjs')
 | |
| 
 | |
|     def testEmptyFilename(self):
 | |
|         self.assertZipFailure('')
 | |
| 
 | |
|     def testBadArgs(self):
 | |
|         self.assertRaises(TypeError, zipimport.zipimporter, None)
 | |
|         self.assertRaises(TypeError, zipimport.zipimporter, TESTMOD, kwd=None)
 | |
|         self.assertRaises(TypeError, zipimport.zipimporter,
 | |
|                           list(os.fsencode(TESTMOD)))
 | |
| 
 | |
|     def testFilenameTooLong(self):
 | |
|         self.assertZipFailure('A' * 33000)
 | |
| 
 | |
|     def testEmptyFile(self):
 | |
|         support.unlink(TESTMOD)
 | |
|         support.create_empty_file(TESTMOD)
 | |
|         self.assertZipFailure(TESTMOD)
 | |
| 
 | |
|     def testFileUnreadable(self):
 | |
|         support.unlink(TESTMOD)
 | |
|         fd = os.open(TESTMOD, os.O_CREAT, 000)
 | |
|         try:
 | |
|             os.close(fd)
 | |
| 
 | |
|             with self.assertRaises(zipimport.ZipImportError) as cm:
 | |
|                 zipimport.zipimporter(TESTMOD)
 | |
|         finally:
 | |
|             # If we leave "the read-only bit" set on Windows, nothing can
 | |
|             # delete TESTMOD, and later tests suffer bogus failures.
 | |
|             os.chmod(TESTMOD, 0o666)
 | |
|             support.unlink(TESTMOD)
 | |
| 
 | |
|     def testNotZipFile(self):
 | |
|         support.unlink(TESTMOD)
 | |
|         fp = open(TESTMOD, 'w+')
 | |
|         fp.write('a' * 22)
 | |
|         fp.close()
 | |
|         self.assertZipFailure(TESTMOD)
 | |
| 
 | |
|     # XXX: disabled until this works on Big-endian machines
 | |
|     def _testBogusZipFile(self):
 | |
|         support.unlink(TESTMOD)
 | |
|         fp = open(TESTMOD, 'w+')
 | |
|         fp.write(struct.pack('=I', 0x06054B50))
 | |
|         fp.write('a' * 18)
 | |
|         fp.close()
 | |
|         z = zipimport.zipimporter(TESTMOD)
 | |
| 
 | |
|         try:
 | |
|             self.assertRaises(TypeError, z.find_module, None)
 | |
|             self.assertRaises(TypeError, z.load_module, None)
 | |
|             self.assertRaises(TypeError, z.is_package, None)
 | |
|             self.assertRaises(TypeError, z.get_code, None)
 | |
|             self.assertRaises(TypeError, z.get_data, None)
 | |
|             self.assertRaises(TypeError, z.get_source, None)
 | |
| 
 | |
|             error = zipimport.ZipImportError
 | |
|             self.assertEqual(z.find_module('abc'), None)
 | |
| 
 | |
|             self.assertRaises(error, z.load_module, 'abc')
 | |
|             self.assertRaises(error, z.get_code, 'abc')
 | |
|             self.assertRaises(OSError, z.get_data, 'abc')
 | |
|             self.assertRaises(error, z.get_source, 'abc')
 | |
|             self.assertRaises(error, z.is_package, 'abc')
 | |
|         finally:
 | |
|             zipimport._zip_directory_cache.clear()
 | |
| 
 | |
| 
 | |
| def test_main():
 | |
|     try:
 | |
|         support.run_unittest(
 | |
|               UncompressedZipImportTestCase,
 | |
|               CompressedZipImportTestCase,
 | |
|               BadFileZipImportTestCase,
 | |
|             )
 | |
|     finally:
 | |
|         support.unlink(TESTMOD)
 | |
| 
 | |
| if __name__ == "__main__":
 | |
|     test_main()
 | 
