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-rw-r--r--Lib/test/test_venv.py7
-rw-r--r--Lib/warnings.py14
-rw-r--r--Misc/NEWS.d/next/Library/2017-11-20-15-28-31.bpo-32088.mV-4Nu.rst3
-rw-r--r--Python/_warnings.c7
4 files changed, 24 insertions, 7 deletions
diff --git a/Lib/test/test_venv.py b/Lib/test/test_venv.py
index 2d76e65..c550426 100644
--- a/Lib/test/test_venv.py
+++ b/Lib/test/test_venv.py
@@ -369,7 +369,9 @@ class EnsurePipTest(BaseTest):
self.fail(msg.format(exc, details))
# Ensure pip is available in the virtual environment
envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe)
- cmd = [envpy, '-Im', 'pip', '--version']
+ # Ignore DeprecationWarning since pip code is not part of Python
+ cmd = [envpy, '-W', 'ignore::DeprecationWarning', '-I',
+ '-m', 'pip', '--version']
p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = p.communicate()
@@ -386,7 +388,8 @@ class EnsurePipTest(BaseTest):
# http://bugs.python.org/issue19728
# Check the private uninstall command provided for the Windows
# installers works (at least in a virtual environment)
- cmd = [envpy, '-Im', 'ensurepip._uninstall']
+ cmd = [envpy, '-W', 'ignore::DeprecationWarning', '-I',
+ '-m', 'ensurepip._uninstall']
with EnvironmentVarGuard() as envvars:
p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
diff --git a/Lib/warnings.py b/Lib/warnings.py
index a1f7746..48d5e16 100644
--- a/Lib/warnings.py
+++ b/Lib/warnings.py
@@ -508,10 +508,13 @@ except ImportError:
# Module initialization
_processoptions(sys.warnoptions)
if not _warnings_defaults:
- silence = [ImportWarning, PendingDeprecationWarning]
- silence.append(DeprecationWarning)
- for cls in silence:
- simplefilter("ignore", category=cls)
+ py_debug = hasattr(sys, 'gettotalrefcount')
+ if not py_debug:
+ silence = [ImportWarning, PendingDeprecationWarning]
+ silence.append(DeprecationWarning)
+ for cls in silence:
+ simplefilter("ignore", category=cls)
+
bytes_warning = sys.flags.bytes_warning
if bytes_warning > 1:
bytes_action = "error"
@@ -520,8 +523,9 @@ if not _warnings_defaults:
else:
bytes_action = "ignore"
simplefilter(bytes_action, category=BytesWarning, append=1)
+
# resource usage warnings are enabled by default in pydebug mode
- if hasattr(sys, 'gettotalrefcount'):
+ if py_debug:
resource_action = "always"
else:
resource_action = "ignore"
diff --git a/Misc/NEWS.d/next/Library/2017-11-20-15-28-31.bpo-32088.mV-4Nu.rst b/Misc/NEWS.d/next/Library/2017-11-20-15-28-31.bpo-32088.mV-4Nu.rst
new file mode 100644
index 0000000..fda75d7
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2017-11-20-15-28-31.bpo-32088.mV-4Nu.rst
@@ -0,0 +1,3 @@
+warnings: When Python is build is debug mode (``Py_DEBUG``),
+:exc:`DeprecationWarning`, :exc:`PendingDeprecationWarning` and
+:exc:`ImportWarning` warnings are now displayed by default.
diff --git a/Python/_warnings.c b/Python/_warnings.c
index d0f3941..8cfae76 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -1196,7 +1196,11 @@ create_filter(PyObject *category, const char *action)
static PyObject *
init_filters(void)
{
+#ifndef Py_DEBUG
PyObject *filters = PyList_New(5);
+#else
+ PyObject *filters = PyList_New(2);
+#endif
unsigned int pos = 0; /* Post-incremented in each use. */
unsigned int x;
const char *bytes_action, *resource_action;
@@ -1204,12 +1208,15 @@ init_filters(void)
if (filters == NULL)
return NULL;
+#ifndef Py_DEBUG
PyList_SET_ITEM(filters, pos++,
create_filter(PyExc_DeprecationWarning, "ignore"));
PyList_SET_ITEM(filters, pos++,
create_filter(PyExc_PendingDeprecationWarning, "ignore"));
PyList_SET_ITEM(filters, pos++,
create_filter(PyExc_ImportWarning, "ignore"));
+#endif
+
if (Py_BytesWarningFlag > 1)
bytes_action = "error";
else if (Py_BytesWarningFlag)