| import sys |
| import os |
| import marshal |
| import imp |
| import struct |
| import time |
| import unittest |
| |
| from test import test_support |
| from test.test_importhooks import ImportHooksBaseTestCase, test_src, test_co |
| |
| # some tests can be ran even without zlib |
| try: |
| import zlib |
| except ImportError: |
| zlib = None |
| |
| from zipfile import ZipFile, ZipInfo, ZIP_STORED, ZIP_DEFLATED |
| |
| import zipimport |
| import linecache |
| import doctest |
| import inspect |
| import StringIO |
| from traceback import extract_tb, extract_stack, print_tb |
| raise_src = 'def do_raise(): raise TypeError\n' |
| |
| def make_pyc(co, mtime): |
| data = marshal.dumps(co) |
| if type(mtime) is type(0.0): |
| # Mac mtimes need a bit of special casing |
| if mtime < 0x7fffffff: |
| mtime = int(mtime) |
| else: |
| mtime = int(-0x100000000L + long(mtime)) |
| pyc = imp.get_magic() + struct.pack("<i", int(mtime)) + data |
| return pyc |
| |
| def module_path_to_dotted_name(path): |
| return path.replace(os.sep, '.') |
| |
| NOW = time.time() |
| test_pyc = make_pyc(test_co, NOW) |
| |
| |
| if __debug__: |
| pyc_ext = ".pyc" |
| else: |
| pyc_ext = ".pyo" |
| |
| |
| TESTMOD = "ziptestmodule" |
| TESTPACK = "ziptestpackage" |
| TESTPACK2 = "ziptestpackage2" |
| TEMP_ZIP = os.path.abspath("junk95142" + os.extsep + "zip") |
| |
| |
| class UncompressedZipImportTestCase(ImportHooksBaseTestCase): |
| |
| compression = ZIP_STORED |
| |
| def setUp(self): |
| # We're reusing the zip archive path, so we must clear the |
| # cached directory info and linecache |
| linecache.clearcache() |
| zipimport._zip_directory_cache.clear() |
| ImportHooksBaseTestCase.setUp(self) |
| |
| def doTest(self, expected_ext, files, *modules, **kw): |
| z = ZipFile(TEMP_ZIP, "w") |
| try: |
| for name, (mtime, data) in files.items(): |
| zinfo = ZipInfo(name, time.localtime(mtime)) |
| zinfo.compress_type = self.compression |
| z.writestr(zinfo, data) |
| z.close() |
| |
| stuff = kw.get("stuff", None) |
| if stuff is not None: |
| # Prepend 'stuff' to the start of the zipfile |
| f = open(TEMP_ZIP, "rb") |
| data = f.read() |
| f.close() |
| |
| f = open(TEMP_ZIP, "wb") |
| f.write(stuff) |
| f.write(data) |
| f.close() |
| |
| sys.path.insert(0, TEMP_ZIP) |
| |
| mod = __import__(".".join(modules), globals(), locals(), |
| ["__dummy__"]) |
| |
| call = kw.get('call') |
| if call is not None: |
| call(mod) |
| |
| if expected_ext: |
| file = mod.get_file() |
| self.assertEqual(file, os.path.join(TEMP_ZIP, |
| *modules) + expected_ext) |
| finally: |
| z.close() |
| os.remove(TEMP_ZIP) |
| |
| def testAFakeZlib(self): |
| # |
| # This could cause a stack overflow before: importing zlib.py |
| # from a compressed archive would cause zlib to be imported |
| # which would find zlib.py in the archive, which would... etc. |
| # |
| # This test *must* be executed first: it must be the first one |
| # to trigger zipimport to import zlib (zipimport caches the |
| # zlib.decompress function object, after which the problem being |
| # tested here wouldn't be a problem anymore... |
| # (Hence the 'A' in the test method name: to make it the first |
| # item in a list sorted by name, like unittest.makeSuite() does.) |
| # |
| # This test fails on platforms on which the zlib module is |
| # statically linked, but the problem it tests for can't |
| # occur in that case (builtin modules are always found first), |
| # so we'll simply skip it then. Bug #765456. |
| # |
| if "zlib" in sys.builtin_module_names: |
| return |
| if "zlib" in sys.modules: |
| del sys.modules["zlib"] |
| files = {"zlib.py": (NOW, test_src)} |
| try: |
| self.doTest(".py", files, "zlib") |
| except ImportError: |
| if self.compression != ZIP_DEFLATED: |
| self.fail("expected test to not raise ImportError") |
| else: |
| if self.compression != ZIP_STORED: |
| self.fail("expected test to raise ImportError") |
| |
| def testPy(self): |
| files = {TESTMOD + ".py": (NOW, test_src)} |
| self.doTest(".py", files, TESTMOD) |
| |
| def testPyc(self): |
| files = {TESTMOD + pyc_ext: (NOW, test_pyc)} |
| self.doTest(pyc_ext, files, TESTMOD) |
| |
| def testBoth(self): |
| files = {TESTMOD + ".py": (NOW, test_src), |
| TESTMOD + pyc_ext: (NOW, test_pyc)} |
| self.doTest(pyc_ext, files, TESTMOD) |
| |
| def testEmptyPy(self): |
| files = {TESTMOD + ".py": (NOW, "")} |
| self.doTest(None, files, TESTMOD) |
| |
| def testBadMagic(self): |
| # make pyc magic word invalid, forcing loading from .py |
| m0 = ord(test_pyc[0]) |
| m0 ^= 0x04 # flip an arbitrary bit |
| badmagic_pyc = chr(m0) + test_pyc[1:] |
| files = {TESTMOD + ".py": (NOW, test_src), |
| TESTMOD + pyc_ext: (NOW, badmagic_pyc)} |
| self.doTest(".py", files, TESTMOD) |
| |
| def testBadMagic2(self): |
| # make pyc magic word invalid, causing an ImportError |
| m0 = ord(test_pyc[0]) |
| m0 ^= 0x04 # flip an arbitrary bit |
| badmagic_pyc = chr(m0) + test_pyc[1:] |
| files = {TESTMOD + pyc_ext: (NOW, badmagic_pyc)} |
| try: |
| self.doTest(".py", files, TESTMOD) |
| except ImportError: |
| pass |
| else: |
| self.fail("expected ImportError; import from bad pyc") |
| |
| def testBadMTime(self): |
| t3 = ord(test_pyc[7]) |
| t3 ^= 0x02 # flip the second bit -- not the first as that one |
| # isn't stored in the .py's mtime in the zip archive. |
| badtime_pyc = test_pyc[:7] + chr(t3) + test_pyc[8:] |
| files = {TESTMOD + ".py": (NOW, test_src), |
| TESTMOD + pyc_ext: (NOW, badtime_pyc)} |
| self.doTest(".py", files, TESTMOD) |
| |
| def testPackage(self): |
| packdir = TESTPACK + os.sep |
| files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc), |
| packdir + TESTMOD + pyc_ext: (NOW, test_pyc)} |
| self.doTest(pyc_ext, files, TESTPACK, TESTMOD) |
| |
| def testDeepPackage(self): |
| packdir = TESTPACK + os.sep |
| packdir2 = packdir + TESTPACK2 + os.sep |
| files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc), |
| packdir2 + "__init__" + pyc_ext: (NOW, test_pyc), |
| packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)} |
| self.doTest(pyc_ext, files, TESTPACK, TESTPACK2, TESTMOD) |
| |
| def testZipImporterMethods(self): |
| packdir = TESTPACK + os.sep |
| packdir2 = packdir + TESTPACK2 + os.sep |
| files = {packdir + "__init__" + pyc_ext: (NOW, test_pyc), |
| packdir2 + "__init__" + pyc_ext: (NOW, test_pyc), |
| packdir2 + TESTMOD + pyc_ext: (NOW, test_pyc)} |
| |
| z = ZipFile(TEMP_ZIP, "w") |
| try: |
| for name, (mtime, data) in files.items(): |
| zinfo = ZipInfo(name, time.localtime(mtime)) |
| zinfo.compress_type = self.compression |
| z.writestr(zinfo, data) |
| z.close() |
| |
| zi = zipimport.zipimporter(TEMP_ZIP) |
| self.assertEqual(zi.archive, TEMP_ZIP) |
| self.assertEqual(zi.is_package(TESTPACK), True) |
| mod = zi.load_module(TESTPACK) |
| self.assertEqual(zi.get_filename(TESTPACK), mod.__file__) |
| |
| 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) |
| __import__(mod_name) |
| mod = sys.modules[mod_name] |
| 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) |
| finally: |
| z.close() |
| os.remove(TEMP_ZIP) |
| |
| 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)} |
| |
| z = ZipFile(TEMP_ZIP, "w") |
| try: |
| for name, (mtime, data) in files.items(): |
| zinfo = ZipInfo(name, time.localtime(mtime)) |
| zinfo.compress_type = self.compression |
| z.writestr(zinfo, data) |
| z.close() |
| |
| 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) |
| |
| mod_path = TESTPACK2 + os.sep + TESTMOD |
| mod_name = module_path_to_dotted_name(mod_path) |
| __import__(mod_name) |
| mod = sys.modules[mod_name] |
| 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__) |
| finally: |
| z.close() |
| os.remove(TEMP_ZIP) |
| |
| def testGetData(self): |
| z = ZipFile(TEMP_ZIP, "w") |
| z.compression = self.compression |
| try: |
| name = "testdata.dat" |
| data = "".join([chr(x) for x in range(256)]) * 500 |
| z.writestr(name, data) |
| z.close() |
| zi = zipimport.zipimporter(TEMP_ZIP) |
| self.assertEqual(data, zi.get_data(name)) |
| self.assertIn('zipimporter object', repr(zi)) |
| finally: |
| z.close() |
| os.remove(TEMP_ZIP) |
| |
| def testImporterAttr(self): |
| src = """if 1: # indent hack |
| def get_file(): |
| return __file__ |
| if __loader__.get_data("some.data") != "some data": |
| raise AssertionError, "bad data"\n""" |
| pyc = make_pyc(compile(src, "<???>", "exec"), NOW) |
| files = {TESTMOD + pyc_ext: (NOW, pyc), |
| "some.data": (NOW, "some data")} |
| self.doTest(pyc_ext, files, TESTMOD) |
| |
| 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="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) |
| 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 = StringIO.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.skipUnless(zlib, "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) |
| |
| def testFilenameTooLong(self): |
| self.assertZipFailure('A' * 33000) |
| |
| def testEmptyFile(self): |
| test_support.unlink(TESTMOD) |
| open(TESTMOD, 'w+').close() |
| self.assertZipFailure(TESTMOD) |
| |
| def testFileUnreadable(self): |
| test_support.unlink(TESTMOD) |
| fd = os.open(TESTMOD, os.O_CREAT, 000) |
| try: |
| os.close(fd) |
| self.assertZipFailure(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, 0666) |
| test_support.unlink(TESTMOD) |
| |
| def testNotZipFile(self): |
| test_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): |
| test_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(IOError, 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: |
| test_support.run_unittest( |
| UncompressedZipImportTestCase, |
| CompressedZipImportTestCase, |
| BadFileZipImportTestCase, |
| ) |
| finally: |
| test_support.unlink(TESTMOD) |
| |
| if __name__ == "__main__": |
| test_main() |
