477 lines
17 KiB
Python
477 lines
17 KiB
Python
import sys
|
|
import os
|
|
import marshal
|
|
import imp
|
|
import struct
|
|
import time
|
|
import unittest
|
|
|
|
from test import support
|
|
from test.test_importhooks import ImportHooksBaseTestCase, test_src, test_co
|
|
|
|
from zipfile import ZipFile, ZipInfo, ZIP_STORED, ZIP_DEFLATED
|
|
|
|
import zipimport
|
|
import linecache
|
|
import doctest
|
|
import inspect
|
|
import io
|
|
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(-0x100000000 + int(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)
|
|
|
|
|
|
TESTMOD = "ziptestmodule"
|
|
TESTPACK = "ziptestpackage"
|
|
TESTPACK2 = "ziptestpackage2"
|
|
TEMP_ZIP = os.path.abspath("junk95142.zip")
|
|
|
|
pyc_file = imp.cache_from_source(TESTMOD + '.py')
|
|
pyc_ext = ('.pyc' if __debug__ else '.pyo')
|
|
|
|
|
|
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
|
|
with open(TEMP_ZIP, "rb") as f:
|
|
data = f.read()
|
|
with open(TEMP_ZIP, "wb") as f:
|
|
f.write(stuff)
|
|
f.write(data)
|
|
|
|
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
|
|
badmagic_pyc = bytearray(test_pyc)
|
|
badmagic_pyc[0] ^= 0x04 # flip an arbitrary bit
|
|
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
|
|
badmagic_pyc = bytearray(test_pyc)
|
|
badmagic_pyc[0] ^= 0x04 # flip an arbitrary bit
|
|
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):
|
|
badtime_pyc = bytearray(test_pyc)
|
|
# flip the second bit -- not the first as that one isn't stored in the
|
|
# .py's mtime in the zip archive.
|
|
badtime_pyc[7] ^= 0x02
|
|
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 = bytes(x for x in range(256))
|
|
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") != b"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=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)
|
|
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"
|
|
z = ZipFile(filename, "w")
|
|
zinfo = ZipInfo(TESTMOD + ".py", time.localtime(NOW))
|
|
zinfo.compress_type = self.compression
|
|
z.writestr(zinfo, test_src)
|
|
z.close()
|
|
try:
|
|
zipimport.zipimporter(filename)
|
|
finally:
|
|
os.remove(filename)
|
|
|
|
|
|
@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)
|
|
|
|
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)
|
|
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, 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(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:
|
|
support.run_unittest(
|
|
UncompressedZipImportTestCase,
|
|
CompressedZipImportTestCase,
|
|
BadFileZipImportTestCase,
|
|
)
|
|
finally:
|
|
support.unlink(TESTMOD)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|