[Python-checkins] r79878 - in python/trunk: Doc/using/cmdline.rst Lib/test/test_warnings.py Misc/NEWS Modules/main.c
philip.jenvey
python-checkins at python.org
Wed Apr 7 01:24:45 CEST 2010
Author: philip.jenvey
Date: Wed Apr 7 01:24:45 2010
New Revision: 79878
Log:
#7301: add the environment variable $PYTHONWARNINGS to supplement the -W
command line option
patch from Brian Curtin
Modified:
python/trunk/Doc/using/cmdline.rst
python/trunk/Lib/test/test_warnings.py
python/trunk/Misc/NEWS
python/trunk/Modules/main.c
Modified: python/trunk/Doc/using/cmdline.rst
==============================================================================
--- python/trunk/Doc/using/cmdline.rst (original)
+++ python/trunk/Doc/using/cmdline.rst Wed Apr 7 01:24:45 2010
@@ -352,6 +352,8 @@
:pep:`230` -- Warning framework
+ :envvar:`PYTHONWARNINGS`
+
.. cmdoption:: -x
@@ -547,6 +549,12 @@
value instead of the value got through the C runtime. Only works on
Mac OS X.
+.. envvar:: PYTHONWARNINGS
+
+ This is the equivalent to the :option:`-W` option. If set to a comma
+ separated string, it is equivalent to specifying :option:`-W` multiple
+ times.
+
Debug-mode variables
~~~~~~~~~~~~~~~~~~~~
Modified: python/trunk/Lib/test/test_warnings.py
==============================================================================
--- python/trunk/Lib/test/test_warnings.py (original)
+++ python/trunk/Lib/test/test_warnings.py Wed Apr 7 01:24:45 2010
@@ -4,6 +4,7 @@
import StringIO
import sys
import unittest
+import subprocess
from test import test_support
import warning_tests
@@ -674,6 +675,42 @@
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 @@
_WarningsTests,
CWarningsDisplayTests, PyWarningsDisplayTests,
CCatchWarningTests, PyCatchWarningTests,
+ CEnvironmentVariableTests,
+ PyEnvironmentVariableTests
)
Modified: python/trunk/Misc/NEWS
==============================================================================
--- python/trunk/Misc/NEWS (original)
+++ python/trunk/Misc/NEWS Wed Apr 7 01:24:45 2010
@@ -12,6 +12,8 @@
Core and Builtins
-----------------
+- Issue #7301: Add environment variable $PYTHONWARNINGS.
+
- Issue #8329: Don't return the same lists from select.select when no fds are
changed.
Modified: python/trunk/Modules/main.c
==============================================================================
--- python/trunk/Modules/main.c (original)
+++ python/trunk/Modules/main.c Wed Apr 7 01:24:45 2010
@@ -83,6 +83,7 @@
can be supplied multiple times to increase verbosity\n\
-V : print the Python version number and exit (also --version)\n\
-W arg : warning control; arg is action:message:category:module:lineno\n\
+ also PYTHONWARNINGS=arg\n\
-x : skip first line of source, allowing use of non-Unix forms of #!cmd\n\
";
static char *usage_4 = "\
@@ -420,6 +421,16 @@
(p = Py_GETENV("PYTHONNOUSERSITE")) && *p != '\0')
Py_NoUserSiteDirectory = 1;
+ if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0')
+ {
+ char* warning = strtok(p, ",");
+ while (warning != NULL)
+ {
+ PySys_AddWarnOption(warning);
+ warning = strtok(NULL, ",");
+ }
+ }
+
if (command == NULL && module == NULL && _PyOS_optind < argc &&
strcmp(argv[_PyOS_optind], "-") != 0)
{
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