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https://github.com/python/cpython.git
synced 2025-08-04 00:48:58 +00:00
Merge for issue #17633
This commit is contained in:
Brett Cannon
commit
43cfd8240c
2 changed files with 248 additions and 48 deletions
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@ -1,6 +1,7 @@
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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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@ -48,6 +49,7 @@ test_pyc = make_pyc(test_co, NOW, len(test_src))
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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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pyc_file = importlib.util.cache_from_source(TESTMOD + '.py')
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@ -77,45 +79,64 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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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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# 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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def doTest(self, expected_ext, files, *modules, **kw):
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z = ZipFile(TEMP_ZIP, "w")
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try:
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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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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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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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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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z.close()
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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(TEMP_ZIP, "rb") as f:
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data = f.read()
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with open(TEMP_ZIP, "wb") as f:
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f.write(stuff)
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f.write(data)
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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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sys.path.insert(0, TEMP_ZIP)
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def doTest(self, expected_ext, files, *modules, **kw):
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self.makeZip(files, **kw)
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mod = __import__(".".join(modules), globals(), locals(),
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["__dummy__"])
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sys.path.insert(0, TEMP_ZIP)
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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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mod = importlib.import_module(".".join(modules))
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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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call = kw.get('call')
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if call is not None:
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call(mod)
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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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finally:
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z.close()
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os.remove(TEMP_ZIP)
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def testAFakeZlib(self):
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#
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@ -201,7 +222,9 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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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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def testDeepPackage(self):
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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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@ -209,6 +232,167 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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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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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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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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zip1 = os.path.abspath("path1.zip")
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self.makeZip(files1, zip1)
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zip2 = TEMP_DIR
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self.makeTree(files2, zip2)
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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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# 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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# 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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# 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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# 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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# 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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# 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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# 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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# 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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# 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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# 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])
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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("path2.zip", mod.__file__.split(os.sep)[-3])
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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("path2.zip", p1.split(os.sep)[-3])
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self.assertEqual("path1.zip", p2.split(os.sep)[-3])
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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('path2.zip', mod.__file__.split(os.sep)[-4])
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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('path2.zip', mod.__file__.split(os.sep)[-4])
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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 testZipImporterMethods(self):
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packdir = TESTPACK + os.sep
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packdir2 = packdir + TESTPACK2 + os.sep
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@ -240,7 +424,7 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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mod = zi.load_module(TESTPACK)
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self.assertEqual(zi.get_filename(TESTPACK), mod.__file__)
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existing_pack_path = __import__(TESTPACK).__path__[0]
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existing_pack_path = importlib.import_module(TESTPACK).__path__[0]
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expected_path_path = os.path.join(TEMP_ZIP, TESTPACK)
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self.assertEqual(existing_pack_path, expected_path_path)
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@ -250,8 +434,8 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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mod_path = packdir2 + TESTMOD
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mod_name = module_path_to_dotted_name(mod_path)
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__import__(mod_name)
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mod = sys.modules[mod_name]
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mod = importlib.import_module(mod_name)
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self.assertTrue(mod_name in sys.modules)
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self.assertEqual(zi.get_source(TESTPACK), None)
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self.assertEqual(zi.get_source(mod_path), None)
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self.assertEqual(zi.get_filename(mod_path), mod.__file__)
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@ -308,13 +492,13 @@ class UncompressedZipImportTestCase(ImportHooksBaseTestCase):
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mod_path = TESTPACK2 + os.sep + TESTMOD
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mod_name = module_path_to_dotted_name(mod_path)
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__import__(mod_name)
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mod = sys.modules[mod_name]
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mod = importlib.import_module(mod_name)
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self.assertTrue(mod_name in sys.modules)
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self.assertEqual(zi.get_source(TESTPACK2), None)
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self.assertEqual(zi.get_source(mod_path), None)
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self.assertEqual(zi.get_filename(mod_path), mod.__file__)
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# To pass in the module name instead of the path, we must use the
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# right importer
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# right importer.
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loader = mod.__loader__
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self.assertEqual(loader.get_source(mod_name), None)
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self.assertEqual(loader.get_filename(mod_name), mod.__file__)
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