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Add a SubprocessError base class for exceptions in the subprocess module.

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This commit is contained in:
Gregory P. Smith 2011-03-14 14:08:43 -04:00
parent 1c711f0ef9
commit 54d412edcc
2 changed files with 14 additions and 4 deletions
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13
Lib/subprocess.py
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@ -191,8 +191,10 @@ should prepare for OSErrors.
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 builtins
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 @@ class CalledProcessError(Exception):
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.
"""