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#7301: add the environment variable $PYTHONWARNINGS to supplement the -W

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command line option
patch from Brian Curtin
This commit is contained in:
Philip Jenvey 2010-04-06 23:24:45 +00:00
parent c1bf677e28
commit aebbaeb962
4 changed files with 60 additions and 0 deletions
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39
Lib/test/test_warnings.py
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@ -4,6 +4,7 @@ import os
import StringIO
import sys
import unittest
import subprocess
from test import test_support
import warning_tests
@ -674,6 +675,42 @@ class PyCatchWarningTests(CatchWarningTests):
module = py_warnings
class EnvironmentVariableTests(BaseTest):
def test_single_warning(self):
newenv = os.environ.copy()
newenv["PYTHONWARNINGS"] = "ignore::DeprecationWarning"
p = subprocess.Popen([sys.executable,
"-c", "import sys; sys.stdout.write(str(sys.warnoptions))"],
stdout=subprocess.PIPE, env=newenv)
self.assertEqual(p.stdout.read(), "['ignore::DeprecationWarning']")
def test_comma_separated_warnings(self):
newenv = os.environ.copy()
newenv["PYTHONWARNINGS"] = ("ignore::DeprecationWarning,"
"ignore::UnicodeWarning")
p = subprocess.Popen([sys.executable,
"-c", "import sys; sys.stdout.write(str(sys.warnoptions))"],
stdout=subprocess.PIPE, env=newenv)
self.assertEqual(p.stdout.read(),
"['ignore::DeprecationWarning', 'ignore::UnicodeWarning']")
def test_envvar_and_command_line(self):
newenv = os.environ.copy()
newenv["PYTHONWARNINGS"] = "ignore::DeprecationWarning"
p = subprocess.Popen([sys.executable, "-W" "ignore::UnicodeWarning",
"-c", "import sys; sys.stdout.write(str(sys.warnoptions))"],
stdout=subprocess.PIPE, env=newenv)
self.assertEqual(p.stdout.read(),
"['ignore::UnicodeWarning', 'ignore::DeprecationWarning']")
class CEnvironmentVariableTests(EnvironmentVariableTests):
module = c_warnings
class PyEnvironmentVariableTests(EnvironmentVariableTests):
module = py_warnings
def test_main():
py_warnings.onceregistry.clear()
c_warnings.onceregistry.clear()
@ -683,6 +720,8 @@ def test_main():
_WarningsTests,
CWarningsDisplayTests, PyWarningsDisplayTests,
CCatchWarningTests, PyCatchWarningTests,
CEnvironmentVariableTests,
PyEnvironmentVariableTests
)