[Python-checkins] cpython: Add a SubprocessError base class for exceptions in the subprocess module.
gregory.p.smith
python-checkins at python.org
Mon Mar 14 19:16:37 CET 2011
http://hg.python.org/cpython/rev/d674b557600c
changeset: 68463:d674b557600c
parent: 68461:fd69e2f2cb72
user: Gregory P. Smith <greg at krypto.org>
date: Mon Mar 14 14:08:43 2011 -0400
summary:
Add a SubprocessError base class for exceptions in the subprocess module.
files:
Doc/library/subprocess.rst
Lib/subprocess.py
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -387,6 +387,11 @@
:func:`call` and :meth:`Popen.communicate` will raise :exc:`TimeoutExpired` if
the timeout expires before the process exits.
+Exceptions defined in this module all inherit from :ext:`SubprocessError`.
+
+ .. versionadded:: 3.3
+ The :exc:`SubprocessError` base class was added.
+
Security
^^^^^^^^
diff --git a/Lib/subprocess.py b/Lib/subprocess.py
--- a/Lib/subprocess.py
+++ b/Lib/subprocess.py
@@ -191,8 +191,10 @@
A ValueError will be raised if Popen is called with invalid arguments.
-check_call() and check_output() will raise CalledProcessError, if the
-called process returns a non-zero return code.
+Exceptions defined within this module inherit from SubprocessError.
+check_call() and check_output() will raise CalledProcessError if the
+called process returns a non-zero return code. TimeoutExpired
+be raised if a timeout was specified and expired.
Security
@@ -348,7 +350,10 @@
import warnings
# Exception classes used by this module.
-class CalledProcessError(Exception):
+class SubprocessError(Exception): pass
+
+
+class CalledProcessError(SubprocessError):
"""This exception is raised when a process run by check_call() or
check_output() returns a non-zero exit status.
The exit status will be stored in the returncode attribute;
@@ -362,7 +367,7 @@
return "Command '%s' returned non-zero exit status %d" % (self.cmd, self.returncode)
-class TimeoutExpired(Exception):
+class TimeoutExpired(SubprocessError):
"""This exception is raised when the timeout expires while waiting for a
child process.
"""
--
Repository URL: http://hg.python.org/cpython
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