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import sys
import compileall
import imp
import os
import py_compile
import shutil
import struct
import tempfile
from test import support
import unittest
import io
class CompileallTests(unittest.TestCase):
def setUp(self):
self.directory = tempfile.mkdtemp()
self.source_path = os.path.join(self.directory, '_test.py')
self.bc_path = self.source_path + ('c' if __debug__ else 'o')
with open(self.source_path, 'w') as file:
file.write('x = 123\n')
self.source_path2 = os.path.join(self.directory, '_test2.py')
self.bc_path2 = self.source_path2 + ('c' if __debug__ else 'o')
shutil.copyfile(self.source_path, self.source_path2)
def tearDown(self):
shutil.rmtree(self.directory)
def data(self):
with open(self.bc_path, 'rb') as file:
data = file.read(8)
mtime = int(os.stat(self.source_path).st_mtime)
compare = struct.pack('<4sl', imp.get_magic(), mtime)
return data, compare
def recreation_check(self, metadata):
"""Check that compileall recreates bytecode when the new metadata is
used."""
if not hasattr(os, 'stat'):
return
py_compile.compile(self.source_path)
self.assertEqual(*self.data())
with open(self.bc_path, 'rb') as file:
bc = file.read()[len(metadata):]
with open(self.bc_path, 'wb') as file:
file.write(metadata)
file.write(bc)
self.assertNotEqual(*self.data())
compileall.compile_dir(self.directory, force=False, quiet=True)
self.assertTrue(*self.data())
def test_mtime(self):
# Test a change in mtime leads to a new .pyc.
self.recreation_check(struct.pack('<4sl', imp.get_magic(), 1))
def test_magic_number(self):
# Test a change in mtime leads to a new .pyc.
self.recreation_check(b'\0\0\0\0')
def test_compile_files(self):
# Test compiling a single file, and complete directory
for fn in (self.bc_path, self.bc_path2):
try:
os.unlink(fn)
except:
pass
compileall.compile_file(self.source_path, force=False, quiet=True)
self.assertTrue(os.path.isfile(self.bc_path) \
and not os.path.isfile(self.bc_path2))
os.unlink(self.bc_path)
compileall.compile_dir(self.directory, force=False, quiet=True)
self.assertTrue(os.path.isfile(self.bc_path) \
and os.path.isfile(self.bc_path2))
os.unlink(self.bc_path)
os.unlink(self.bc_path2)
class EncodingTest(unittest.TestCase):
'Issue 6716: compileall should escape source code when printing errors to stdout.'
def setUp(self):
self.directory = tempfile.mkdtemp()
self.source_path = os.path.join(self.directory, '_test.py')
with open(self.source_path, 'w', encoding='utf-8') as file:
file.write('# -*- coding: utf-8 -*-\n')
file.write('print u"\u20ac"\n')
def tearDown(self):
shutil.rmtree(self.directory)
def test_error(self):
try:
orig_stdout = sys.stdout
sys.stdout = io.TextIOWrapper(io.BytesIO(),encoding='ascii')
compileall.compile_dir(self.directory)
finally:
sys.stdout = orig_stdout
def test_main():
support.run_unittest(CompileallTests,
EncodingTest)
if __name__ == "__main__":
test_main()
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