404 lines
16 KiB
Python
404 lines
16 KiB
Python
"""Test harness for the zipapp module."""
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import io
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import pathlib
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import stat
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import sys
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import tempfile
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import unittest
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import zipapp
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import zipfile
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from test.support import requires_zlib
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from unittest.mock import patch
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class ZipAppTest(unittest.TestCase):
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"""Test zipapp module functionality."""
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def setUp(self):
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tmpdir = tempfile.TemporaryDirectory()
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self.addCleanup(tmpdir.cleanup)
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self.tmpdir = pathlib.Path(tmpdir.name)
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def test_create_archive(self):
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# Test packing a directory.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target))
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self.assertTrue(target.is_file())
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def test_create_archive_with_pathlib(self):
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# Test packing a directory using Path objects for source and target.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(source, target)
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self.assertTrue(target.is_file())
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def test_create_archive_with_subdirs(self):
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# Test packing a directory includes entries for subdirectories.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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(source / 'foo').mkdir()
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(source / 'bar').mkdir()
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(source / 'foo' / '__init__.py').touch()
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target = io.BytesIO()
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zipapp.create_archive(str(source), target)
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target.seek(0)
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with zipfile.ZipFile(target, 'r') as z:
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self.assertIn('foo/', z.namelist())
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self.assertIn('bar/', z.namelist())
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def test_create_archive_with_filter(self):
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# Test packing a directory and using filter to specify
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# which files to include.
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def skip_pyc_files(path):
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return path.suffix != '.pyc'
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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(source / 'test.py').touch()
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(source / 'test.pyc').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(source, target, filter=skip_pyc_files)
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with zipfile.ZipFile(target, 'r') as z:
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self.assertIn('__main__.py', z.namelist())
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self.assertIn('test.py', z.namelist())
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self.assertNotIn('test.pyc', z.namelist())
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def test_create_archive_filter_exclude_dir(self):
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# Test packing a directory and using a filter to exclude a
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# subdirectory (ensures that the path supplied to include
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# is relative to the source location, as expected).
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def skip_dummy_dir(path):
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return path.parts[0] != 'dummy'
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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(source / 'test.py').touch()
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(source / 'dummy').mkdir()
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(source / 'dummy' / 'test2.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(source, target, filter=skip_dummy_dir)
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with zipfile.ZipFile(target, 'r') as z:
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self.assertEqual(len(z.namelist()), 2)
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self.assertIn('__main__.py', z.namelist())
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self.assertIn('test.py', z.namelist())
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def test_create_archive_default_target(self):
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# Test packing a directory to the default name.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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zipapp.create_archive(str(source))
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expected_target = self.tmpdir / 'source.pyz'
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self.assertTrue(expected_target.is_file())
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@requires_zlib()
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def test_create_archive_with_compression(self):
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# Test packing a directory into a compressed archive.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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(source / 'test.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(source, target, compressed=True)
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with zipfile.ZipFile(target, 'r') as z:
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for name in ('__main__.py', 'test.py'):
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self.assertEqual(z.getinfo(name).compress_type,
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zipfile.ZIP_DEFLATED)
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def test_no_main(self):
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# Test that packing a directory with no __main__.py fails.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / 'foo.py').touch()
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target = self.tmpdir / 'source.pyz'
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with self.assertRaises(zipapp.ZipAppError):
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zipapp.create_archive(str(source), str(target))
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def test_main_and_main_py(self):
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# Test that supplying a main argument with __main__.py fails.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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with self.assertRaises(zipapp.ZipAppError):
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zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
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def test_main_written(self):
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# Test that the __main__.py is written correctly.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / 'foo.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
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with zipfile.ZipFile(str(target), 'r') as z:
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self.assertIn('__main__.py', z.namelist())
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self.assertIn(b'pkg.mod.fn()', z.read('__main__.py'))
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def test_main_only_written_once(self):
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# Test that we don't write multiple __main__.py files.
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# The initial implementation had this bug; zip files allow
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# multiple entries with the same name
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source = self.tmpdir / 'source'
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source.mkdir()
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# Write 2 files, as the original bug wrote __main__.py
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# once for each file written :-(
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# See http://bugs.python.org/review/23491/diff/13982/Lib/zipapp.py#newcode67Lib/zipapp.py:67
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# (line 67)
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(source / 'foo.py').touch()
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(source / 'bar.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), main='pkg.mod:fn')
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with zipfile.ZipFile(str(target), 'r') as z:
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self.assertEqual(1, z.namelist().count('__main__.py'))
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def test_main_validation(self):
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# Test that invalid values for main are rejected.
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source = self.tmpdir / 'source'
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source.mkdir()
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target = self.tmpdir / 'source.pyz'
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problems = [
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'', 'foo', 'foo:', ':bar', '12:bar', 'a.b.c.:d',
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'.a:b', 'a:b.', 'a:.b', 'a:silly name'
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]
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for main in problems:
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with self.subTest(main=main):
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with self.assertRaises(zipapp.ZipAppError):
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zipapp.create_archive(str(source), str(target), main=main)
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def test_default_no_shebang(self):
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# Test that no shebang line is written to the target by default.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target))
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with target.open('rb') as f:
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self.assertNotEqual(f.read(2), b'#!')
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def test_custom_interpreter(self):
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# Test that a shebang line with a custom interpreter is written
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# correctly.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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with target.open('rb') as f:
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self.assertEqual(f.read(2), b'#!')
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self.assertEqual(b'python\n', f.readline())
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def test_pack_to_fileobj(self):
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# Test that we can pack to a file object.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = io.BytesIO()
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zipapp.create_archive(str(source), target, interpreter='python')
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self.assertTrue(target.getvalue().startswith(b'#!python\n'))
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def test_read_shebang(self):
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# Test that we can read the shebang line correctly.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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self.assertEqual(zipapp.get_interpreter(str(target)), 'python')
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def test_read_missing_shebang(self):
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# Test that reading the shebang line of a file without one returns None.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target))
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self.assertEqual(zipapp.get_interpreter(str(target)), None)
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def test_modify_shebang(self):
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# Test that we can change the shebang of a file.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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new_target = self.tmpdir / 'changed.pyz'
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zipapp.create_archive(str(target), str(new_target), interpreter='python2.7')
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self.assertEqual(zipapp.get_interpreter(str(new_target)), 'python2.7')
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def test_write_shebang_to_fileobj(self):
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# Test that we can change the shebang of a file, writing the result to a
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# file object.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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new_target = io.BytesIO()
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zipapp.create_archive(str(target), new_target, interpreter='python2.7')
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self.assertTrue(new_target.getvalue().startswith(b'#!python2.7\n'))
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def test_read_from_pathobj(self):
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# Test that we can copy an archive using a pathlib.Path object
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# for the source.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target1 = self.tmpdir / 'target1.pyz'
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target2 = self.tmpdir / 'target2.pyz'
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zipapp.create_archive(source, target1, interpreter='python')
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zipapp.create_archive(target1, target2, interpreter='python2.7')
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self.assertEqual(zipapp.get_interpreter(target2), 'python2.7')
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def test_read_from_fileobj(self):
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# Test that we can copy an archive using an open file object.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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temp_archive = io.BytesIO()
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zipapp.create_archive(str(source), temp_archive, interpreter='python')
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new_target = io.BytesIO()
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temp_archive.seek(0)
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zipapp.create_archive(temp_archive, new_target, interpreter='python2.7')
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self.assertTrue(new_target.getvalue().startswith(b'#!python2.7\n'))
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def test_remove_shebang(self):
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# Test that we can remove the shebang from a file.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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new_target = self.tmpdir / 'changed.pyz'
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zipapp.create_archive(str(target), str(new_target), interpreter=None)
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self.assertEqual(zipapp.get_interpreter(str(new_target)), None)
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def test_content_of_copied_archive(self):
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# Test that copying an archive doesn't corrupt it.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = io.BytesIO()
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zipapp.create_archive(str(source), target, interpreter='python')
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new_target = io.BytesIO()
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target.seek(0)
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zipapp.create_archive(target, new_target, interpreter=None)
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new_target.seek(0)
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with zipfile.ZipFile(new_target, 'r') as z:
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self.assertEqual(set(z.namelist()), {'__main__.py'})
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# (Unix only) tests that archives with shebang lines are made executable
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@unittest.skipIf(sys.platform == 'win32',
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'Windows does not support an executable bit')
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def test_shebang_is_executable(self):
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# Test that an archive with a shebang line is made executable.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter='python')
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self.assertTrue(target.stat().st_mode & stat.S_IEXEC)
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@unittest.skipIf(sys.platform == 'win32',
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'Windows does not support an executable bit')
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def test_no_shebang_is_not_executable(self):
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# Test that an archive with no shebang line is not made executable.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(str(source), str(target), interpreter=None)
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self.assertFalse(target.stat().st_mode & stat.S_IEXEC)
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class ZipAppCmdlineTest(unittest.TestCase):
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"""Test zipapp module command line API."""
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def setUp(self):
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tmpdir = tempfile.TemporaryDirectory()
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self.addCleanup(tmpdir.cleanup)
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self.tmpdir = pathlib.Path(tmpdir.name)
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def make_archive(self):
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# Test that an archive with no shebang line is not made executable.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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target = self.tmpdir / 'source.pyz'
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zipapp.create_archive(source, target)
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return target
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def test_cmdline_create(self):
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# Test the basic command line API.
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source = self.tmpdir / 'source'
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source.mkdir()
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(source / '__main__.py').touch()
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args = [str(source)]
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zipapp.main(args)
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target = source.with_suffix('.pyz')
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self.assertTrue(target.is_file())
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def test_cmdline_copy(self):
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# Test copying an archive.
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original = self.make_archive()
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target = self.tmpdir / 'target.pyz'
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args = [str(original), '-o', str(target)]
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zipapp.main(args)
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self.assertTrue(target.is_file())
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def test_cmdline_copy_inplace(self):
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# Test copying an archive in place fails.
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original = self.make_archive()
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target = self.tmpdir / 'target.pyz'
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args = [str(original), '-o', str(original)]
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with self.assertRaises(SystemExit) as cm:
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zipapp.main(args)
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# Program should exit with a non-zero return code.
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self.assertTrue(cm.exception.code)
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def test_cmdline_copy_change_main(self):
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# Test copying an archive doesn't allow changing __main__.py.
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original = self.make_archive()
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target = self.tmpdir / 'target.pyz'
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args = [str(original), '-o', str(target), '-m', 'foo:bar']
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with self.assertRaises(SystemExit) as cm:
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zipapp.main(args)
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# Program should exit with a non-zero return code.
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self.assertTrue(cm.exception.code)
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@patch('sys.stdout', new_callable=io.StringIO)
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def test_info_command(self, mock_stdout):
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# Test the output of the info command.
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target = self.make_archive()
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args = [str(target), '--info']
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with self.assertRaises(SystemExit) as cm:
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zipapp.main(args)
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# Program should exit with a zero return code.
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self.assertEqual(cm.exception.code, 0)
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self.assertEqual(mock_stdout.getvalue(), "Interpreter: <none>\n")
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def test_info_error(self):
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# Test the info command fails when the archive does not exist.
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target = self.tmpdir / 'dummy.pyz'
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args = [str(target), '--info']
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with self.assertRaises(SystemExit) as cm:
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zipapp.main(args)
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# Program should exit with a non-zero return code.
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self.assertTrue(cm.exception.code)
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if __name__ == "__main__":
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unittest.main()
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