198 lines
7.2 KiB
Python
198 lines
7.2 KiB
Python
import sys
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import compileall
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import imp
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import os
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import py_compile
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import shutil
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import struct
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import subprocess
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import tempfile
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import unittest
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import io
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from test import support
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class CompileallTests(unittest.TestCase):
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def setUp(self):
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self.directory = tempfile.mkdtemp()
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self.source_path = os.path.join(self.directory, '_test.py')
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self.bc_path = imp.cache_from_source(self.source_path)
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with open(self.source_path, 'w') as file:
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file.write('x = 123\n')
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self.source_path2 = os.path.join(self.directory, '_test2.py')
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self.bc_path2 = imp.cache_from_source(self.source_path2)
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shutil.copyfile(self.source_path, self.source_path2)
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def tearDown(self):
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shutil.rmtree(self.directory)
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def data(self):
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with open(self.bc_path, 'rb') as file:
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data = file.read(8)
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mtime = int(os.stat(self.source_path).st_mtime)
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compare = struct.pack('<4sl', imp.get_magic(), mtime)
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return data, compare
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def recreation_check(self, metadata):
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"""Check that compileall recreates bytecode when the new metadata is
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used."""
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if not hasattr(os, 'stat'):
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return
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py_compile.compile(self.source_path)
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self.assertEqual(*self.data())
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with open(self.bc_path, 'rb') as file:
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bc = file.read()[len(metadata):]
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with open(self.bc_path, 'wb') as file:
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file.write(metadata)
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file.write(bc)
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self.assertNotEqual(*self.data())
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compileall.compile_dir(self.directory, force=False, quiet=True)
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self.assertTrue(*self.data())
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def test_mtime(self):
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# Test a change in mtime leads to a new .pyc.
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self.recreation_check(struct.pack('<4sl', imp.get_magic(), 1))
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def test_magic_number(self):
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# Test a change in mtime leads to a new .pyc.
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self.recreation_check(b'\0\0\0\0')
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def test_compile_files(self):
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# Test compiling a single file, and complete directory
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for fn in (self.bc_path, self.bc_path2):
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try:
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os.unlink(fn)
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except:
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pass
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compileall.compile_file(self.source_path, force=False, quiet=True)
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self.assertTrue(os.path.isfile(self.bc_path) and
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not os.path.isfile(self.bc_path2))
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os.unlink(self.bc_path)
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compileall.compile_dir(self.directory, force=False, quiet=True)
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self.assertTrue(os.path.isfile(self.bc_path) and
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os.path.isfile(self.bc_path2))
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os.unlink(self.bc_path)
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os.unlink(self.bc_path2)
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def test_no_pycache_in_non_package(self):
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# Bug 8563 reported that __pycache__ directories got created by
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# compile_file() for non-.py files.
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data_dir = os.path.join(self.directory, 'data')
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data_file = os.path.join(data_dir, 'file')
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os.mkdir(data_dir)
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# touch data/file
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with open(data_file, 'w'):
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pass
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compileall.compile_file(data_file)
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self.assertFalse(os.path.exists(os.path.join(data_dir, '__pycache__')))
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class EncodingTest(unittest.TestCase):
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"""Issue 6716: compileall should escape source code when printing errors
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to stdout."""
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def setUp(self):
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self.directory = tempfile.mkdtemp()
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self.source_path = os.path.join(self.directory, '_test.py')
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with open(self.source_path, 'w', encoding='utf-8') as file:
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file.write('# -*- coding: utf-8 -*-\n')
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file.write('print u"\u20ac"\n')
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def tearDown(self):
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shutil.rmtree(self.directory)
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def test_error(self):
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try:
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orig_stdout = sys.stdout
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sys.stdout = io.TextIOWrapper(io.BytesIO(),encoding='ascii')
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compileall.compile_dir(self.directory)
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finally:
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sys.stdout = orig_stdout
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class CommandLineTests(unittest.TestCase):
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"""Test some aspects of compileall's CLI."""
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def setUp(self):
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self.addCleanup(self._cleanup)
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self.directory = tempfile.mkdtemp()
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self.pkgdir = os.path.join(self.directory, 'foo')
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os.mkdir(self.pkgdir)
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# Touch the __init__.py and a package module.
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with open(os.path.join(self.pkgdir, '__init__.py'), 'w'):
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pass
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with open(os.path.join(self.pkgdir, 'bar.py'), 'w'):
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pass
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sys.path.insert(0, self.directory)
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def _cleanup(self):
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support.rmtree(self.directory)
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assert sys.path[0] == self.directory, 'Missing path'
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del sys.path[0]
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# Ensure that the default behavior of compileall's CLI is to create
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# PEP 3147 pyc/pyo files.
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for name, ext, switch in [
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('normal', 'pyc', []),
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('optimize', 'pyo', ['-O']),
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('doubleoptimize', 'pyo', ['-OO'])
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]:
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def f(self, ext=ext, switch=switch):
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retcode = subprocess.call(
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[sys.executable] + switch +
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['-m', 'compileall', '-q', self.pkgdir])
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self.assertEqual(retcode, 0)
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# Verify the __pycache__ directory contents.
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cachedir = os.path.join(self.pkgdir, '__pycache__')
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self.assertTrue(os.path.exists(cachedir))
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expected = sorted(base.format(imp.get_tag(), ext) for base in
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('__init__.{}.{}', 'bar.{}.{}'))
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self.assertEqual(sorted(os.listdir(cachedir)), expected)
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# Make sure there are no .pyc files in the source directory.
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self.assertFalse([pyc_file for pyc_file in os.listdir(self.pkgdir)
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if pyc_file.endswith(ext)])
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locals()['test_pep3147_paths_' + name] = f
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def test_legacy_paths(self):
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# Ensure that with the proper switch, compileall leaves legacy
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# pyc/pyo files, and no __pycache__ directory.
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retcode = subprocess.call(
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(sys.executable, '-m', 'compileall', '-b', '-q', self.pkgdir))
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self.assertEqual(retcode, 0)
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# Verify the __pycache__ directory contents.
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cachedir = os.path.join(self.pkgdir, '__pycache__')
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self.assertFalse(os.path.exists(cachedir))
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expected = sorted(['__init__.py', '__init__.pyc', 'bar.py', 'bar.pyc'])
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self.assertEqual(sorted(os.listdir(self.pkgdir)), expected)
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def test_multiple_runs(self):
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# Bug 8527 reported that multiple calls produced empty
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# __pycache__/__pycache__ directories.
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retcode = subprocess.call(
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(sys.executable, '-m', 'compileall', '-q', self.pkgdir))
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self.assertEqual(retcode, 0)
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# Verify the __pycache__ directory contents.
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cachedir = os.path.join(self.pkgdir, '__pycache__')
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self.assertTrue(os.path.exists(cachedir))
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cachecachedir = os.path.join(cachedir, '__pycache__')
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self.assertFalse(os.path.exists(cachecachedir))
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# Call compileall again.
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retcode = subprocess.call(
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(sys.executable, '-m', 'compileall', '-q', self.pkgdir))
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self.assertEqual(retcode, 0)
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self.assertTrue(os.path.exists(cachedir))
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self.assertFalse(os.path.exists(cachecachedir))
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def test_main():
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support.run_unittest(
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CommandLineTests,
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CompileallTests,
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EncodingTest,
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)
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if __name__ == "__main__":
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test_main()
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