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"""Tests for distutils.command.build_py."""
import os
import sys
import imp
from packaging.command.build_py import build_py
from packaging.dist import Distribution
from packaging.errors import PackagingFileError
from packaging.tests import unittest, support
class BuildPyTestCase(support.TempdirManager,
support.LoggingCatcher,
unittest.TestCase):
def test_package_data(self):
sources = self.mkdtemp()
pkg_dir = os.path.join(sources, 'pkg')
os.mkdir(pkg_dir)
f = open(os.path.join(pkg_dir, "__init__.py"), "w")
try:
f.write("# Pretend this is a package.")
finally:
f.close()
f = open(os.path.join(pkg_dir, "README.txt"), "w")
try:
f.write("Info about this package")
finally:
f.close()
destination = self.mkdtemp()
dist = Distribution({"packages": ["pkg"],
"package_dir": sources})
dist.command_obj["build"] = support.DummyCommand(
force=False,
build_lib=destination,
use_2to3_fixers=None,
convert_2to3_doctests=None,
use_2to3=False)
dist.packages = ["pkg"]
dist.package_data = {"pkg": ["README.txt"]}
dist.package_dir = sources
cmd = build_py(dist)
cmd.compile = True
cmd.ensure_finalized()
self.assertEqual(cmd.package_data, dist.package_data)
cmd.run()
# This makes sure the list of outputs includes byte-compiled
# files for Python modules but not for package data files
# (there shouldn't *be* byte-code files for those!).
#
self.assertEqual(len(cmd.get_outputs()), 3)
pkgdest = os.path.join(destination, "pkg")
files = os.listdir(pkgdest)
pycache_dir = os.path.join(pkgdest, "__pycache__")
self.assertIn("__init__.py", files)
self.assertIn("README.txt", files)
if sys.dont_write_bytecode:
self.assertFalse(os.path.exists(pycache_dir))
else:
# XXX even with -O, packaging writes pyc, not pyo; bug?
pyc_files = os.listdir(pycache_dir)
self.assertIn("__init__.%s.pyc" % imp.get_tag(), pyc_files)
def test_empty_package_dir(self):
# See SF 1668596/1720897.
cwd = os.getcwd()
# create the distribution files.
sources = self.mkdtemp()
pkg = os.path.join(sources, 'pkg')
os.mkdir(pkg)
open(os.path.join(pkg, "__init__.py"), "wb").close()
testdir = os.path.join(pkg, "doc")
os.mkdir(testdir)
open(os.path.join(testdir, "testfile"), "wb").close()
os.chdir(sources)
old_stdout = sys.stdout
#sys.stdout = StringIO.StringIO()
try:
dist = Distribution({"packages": ["pkg"],
"package_dir": sources,
"package_data": {"pkg": ["doc/*"]}})
dist.script_args = ["build"]
dist.parse_command_line()
try:
dist.run_commands()
except PackagingFileError:
self.fail("failed package_data test when package_dir is ''")
finally:
# Restore state.
os.chdir(cwd)
sys.stdout = old_stdout
@unittest.skipIf(sys.dont_write_bytecode, 'byte-compile disabled')
def test_byte_compile(self):
project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
os.chdir(project_dir)
self.write_file('boiledeggs.py', 'import antigravity')
cmd = build_py(dist)
cmd.compile = True
cmd.build_lib = 'here'
cmd.finalize_options()
cmd.run()
found = os.listdir(cmd.build_lib)
self.assertEqual(sorted(found), ['__pycache__', 'boiledeggs.py'])
found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
self.assertEqual(found, ['boiledeggs.%s.pyc' % imp.get_tag()])
@unittest.skipIf(sys.dont_write_bytecode, 'byte-compile disabled')
def test_byte_compile_optimized(self):
project_dir, dist = self.create_dist(py_modules=['boiledeggs'])
os.chdir(project_dir)
self.write_file('boiledeggs.py', 'import antigravity')
cmd = build_py(dist)
cmd.compile = True
cmd.optimize = 1
cmd.build_lib = 'here'
cmd.finalize_options()
cmd.run()
found = os.listdir(cmd.build_lib)
self.assertEqual(sorted(found), ['__pycache__', 'boiledeggs.py'])
found = os.listdir(os.path.join(cmd.build_lib, '__pycache__'))
self.assertEqual(sorted(found), ['boiledeggs.%s.pyc' % imp.get_tag(),
'boiledeggs.%s.pyo' % imp.get_tag()])
def test_dont_write_bytecode(self):
# makes sure byte_compile is not used
pkg_dir, dist = self.create_dist()
cmd = build_py(dist)
cmd.compile = True
cmd.optimize = 1
old_dont_write_bytecode = sys.dont_write_bytecode
sys.dont_write_bytecode = True
try:
cmd.byte_compile([])
finally:
sys.dont_write_bytecode = old_dont_write_bytecode
self.assertIn('byte-compiling is disabled', self.get_logs()[0])
def test_suite():
return unittest.makeSuite(BuildPyTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")
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