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  r81364 | victor.stinner | 2010-05-19 22:40:50 +0200 (mer., 19 mai 2010) | 3 lines

  Issue #8766: Initialize _warnings module before importing the first module.
  Fix a crash if an empty directory called "encodings" exists in sys.path.
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This commit is contained in:
Victor Stinner 2010-05-20 21:00:34 +00:00
parent 784c027d18
commit 148051a054
4 changed files with 47 additions and 11 deletions
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49
Lib/test/test_warnings.py
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@ -4,6 +4,9 @@ import os
from io import StringIO
import sys
import unittest
import shutil
import tempfile
import subprocess
from test import support
from test import warning_tests
@ -670,18 +673,46 @@ class PyCatchWarningTests(CatchWarningTests):
module = py_warnings
class BootstrapTest(unittest.TestCase):
def test_issue_8766(self):
# "import encodings" emits a warning whereas the warnings is not loaded
# or not completly loaded (warnings imports indirectly encodings by
# importing linecache) yet
old_cwd = os.getcwd()
try:
cwd = tempfile.mkdtemp()
try:
os.chdir(cwd)
os.mkdir('encodings')
env = os.environ.copy()
env['PYTHONPATH'] = cwd
# encodings loaded by initfsencoding()
retcode = subprocess.call([sys.executable, '-c', 'pass'], env=env)
self.assertEqual(retcode, 0)
# Use -W to load warnings module at startup
retcode = subprocess.call(
[sys.executable, '-c', 'pass', '-W', 'always'],
env=env)
self.assertEqual(retcode, 0)
finally:
shutil.rmtree(cwd)
finally:
os.chdir(old_cwd)
def test_main():
py_warnings.onceregistry.clear()
c_warnings.onceregistry.clear()
support.run_unittest(CFilterTests,
PyFilterTests,
CWarnTests,
PyWarnTests,
CWCmdLineTests, PyWCmdLineTests,
_WarningsTests,
CWarningsDisplayTests, PyWarningsDisplayTests,
CCatchWarningTests, PyCatchWarningTests,
)
support.run_unittest(
CFilterTests, PyFilterTests,
CWarnTests, PyWarnTests,
CWCmdLineTests, PyWCmdLineTests,
_WarningsTests,
CWarningsDisplayTests, PyWarningsDisplayTests,
CCatchWarningTests, PyCatchWarningTests,
BootstrapTest,
)
if __name__ == "__main__":