When DeprecationWarning was silenced by default, it also silenced any use of -Q

by default as well. This change fixes that by treating -Q like -3 when it comes
to DeprecationWarning; using it causes the silencing to not occur.

Fixes issue #7319.
This commit is contained in:
Brett Cannon 2010-04-25 22:33:36 +00:00
parent a624040d72
commit 1994969c15
4 changed files with 47 additions and 23 deletions

View File

@ -413,7 +413,6 @@ class CalledProcessError(Exception):
if mswindows:
from _subprocess import CREATE_NEW_CONSOLE, CREATE_NEW_PROCESS_GROUP
import threading
import msvcrt
import _subprocess
@ -442,6 +441,7 @@ __all__ = ["Popen", "PIPE", "STDOUT", "call", "check_call",
"check_output", "CalledProcessError"]
if mswindows:
from _subprocess import CREATE_NEW_CONSOLE, CREATE_NEW_PROCESS_GROUP
__all__.extend(["CREATE_NEW_CONSOLE", "CREATE_NEW_PROCESS_GROUP"])
try:
MAXFD = os.sysconf("SC_OPEN_MAX")
@ -699,12 +699,12 @@ class Popen(object):
return data
def __del__(self, sys=sys):
def __del__(self, _maxint=sys.maxint):
if not self._child_created:
# We didn't get to successfully create a child process.
return
# In case the child hasn't been waited on, check if it's done.
self._internal_poll(_deadstate=sys.maxint)
self._internal_poll(_deadstate=_maxint)
if self.returncode is None and _active is not None:
# Child is still running, keep us alive until we can wait on it.
_active.append(self)
@ -907,13 +907,20 @@ class Popen(object):
errwrite.Close()
def _internal_poll(self, _deadstate=None):
def _internal_poll(self, _deadstate=None,
_WaitForSingleObject=WaitForSingleObject,
_WAIT_OBJECT_0=WAIT_OBJECT_0,
_GetExitCodeProcess=GetExitCodeProcess):
"""Check if child process has terminated. Returns returncode
attribute."""
attribute.
This method is called by __del__, so it can only refer to objects
in its local scope.
"""
if self.returncode is None:
if(_subprocess.WaitForSingleObject(self._handle, 0) ==
_subprocess.WAIT_OBJECT_0):
self.returncode = _subprocess.GetExitCodeProcess(self._handle)
if _WaitForSingleObject(self._handle, 0) == _WAIT_OBJECT_0:
self.returncode = _GetExitCodeProcess(self._handle)
return self.returncode
@ -1194,25 +1201,37 @@ class Popen(object):
raise child_exception
def _handle_exitstatus(self, sts):
if os.WIFSIGNALED(sts):
self.returncode = -os.WTERMSIG(sts)
elif os.WIFEXITED(sts):
self.returncode = os.WEXITSTATUS(sts)
def _handle_exitstatus(self, sts, _WIFSIGNALED=os.WIFSIGNALED,
_WTERMSIG=os.WTERMSIG, _WIFEXITED=os.WIFEXITED,
_WEXITSTATUS=os.WEXITSTATUS):
"""
This method is called (indirectly) by __del__, so it cannot
refer to anything outside of its local scope."""
if _WIFSIGNALED(sts):
self.returncode = -_WTERMSIG(sts)
elif _WIFEXITED(sts):
self.returncode = _WEXITSTATUS(sts)
else:
# Should never happen
raise RuntimeError("Unknown child exit status!")
def _internal_poll(self, _deadstate=None):
def _internal_poll(self, _deadstate=None, _waitpid=os.waitpid,
_WNOHANG=os.WNOHANG, _os_error=os.error):
"""Check if child process has terminated. Returns returncode
attribute."""
attribute.
This method is called by __del__, so it cannot reference anything
outside of the local scope (nor can any methods it calls).
"""
if self.returncode is None:
try:
pid, sts = os.waitpid(self.pid, os.WNOHANG)
pid, sts = _waitpid(self.pid, _WNOHANG)
if pid == self.pid:
self._handle_exitstatus(sts)
except os.error:
except _os_error:
if _deadstate is not None:
self.returncode = _deadstate
return self.returncode

View File

@ -384,7 +384,8 @@ except ImportError:
_processoptions(sys.warnoptions)
if not _warnings_defaults:
silence = [ImportWarning, PendingDeprecationWarning]
if not sys.py3kwarning: # Don't silence DeprecationWarning if -3 was used.
# Don't silence DeprecationWarning if -3 or -Q was used.
if not sys.py3kwarning and not sys.flags.division_warning:
silence.append(DeprecationWarning)
for cls in silence:
simplefilter("ignore", category=cls)

View File

@ -12,6 +12,8 @@ What's New in Python 2.7 beta 2?
Core and Builtins
-----------------
- Issue #7319: When -Q is used, do not silence DeprecationWarning.
- Issue #7332: Remove the 16KB stack-based buffer in
PyMarshal_ReadLastObjectFromFile, which doesn't bring any noticeable
benefit compared to the dynamic memory allocation fallback. Patch by

View File

@ -839,8 +839,9 @@ create_filter(PyObject *category, const char *action)
static PyObject *
init_filters(void)
{
/* Don't silence DeprecationWarning if -3 was used. */
PyObject *filters = PyList_New(Py_Py3kWarningFlag ? 3 : 4);
/* Don't silence DeprecationWarning if -3 or -Q were used. */
PyObject *filters = PyList_New(Py_Py3kWarningFlag ||
Py_DivisionWarningFlag ? 3 : 4);
unsigned int pos = 0; /* Post-incremented in each use. */
unsigned int x;
const char *bytes_action;
@ -848,7 +849,8 @@ init_filters(void)
if (filters == NULL)
return NULL;
if (!Py_Py3kWarningFlag) {
/* If guard changes, make sure to update 'filters' initialization above. */
if (!Py_Py3kWarningFlag && !Py_DivisionWarningFlag) {
PyList_SET_ITEM(filters, pos++,
create_filter(PyExc_DeprecationWarning, "ignore"));
}