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exit python on error Dunlow, West Virginia

asked 7 years ago viewed 32975 times active 1 month ago Visit Chat Linked 15 How to re-raise an exception in nested try/except blocks? sys.winver¶ The version number used to form registry keys on Windows platforms. Why is absolute zero unattainable? Note that the int you return in sys.exit will be the return code of your program.

Trace functions should have three arguments: frame, event, and arg. Footnotes * Actually, quit() and exit() are callable instance objects, but I think it's okay to call them functions. sys.exit([arg])¶ Exit from Python. And what about "double-click"?

This can be set at build time with the --prefix argument to the configure script. Found a bug? The system's profile function is called similarly to the system's trace function (see settrace()), but it isn't called for each executed line of code (only on call and return, but Can two integer polynomials touch in an irrational point?

It may or may not be the case that the termination was caused by a error. If the command was executed using the -c command line option to the interpreter, argv[0] is set to the string '-c'. After calling this function, exc_info() will return three None values until another exception is raised in the current thread or the execution stack returns to a frame where another All rights reserved.

As for exceptions, they can (and frequently are) caught. –delnan Mar 2 '14 at 19:34 Huh? Availability: Windows. CPython implementation detail: This function should be used for internal and specialized purposes only. If Python is unable to retrieve the real path to its executable, sys.executable will be an empty string or None.

sys.executable¶ A string giving the absolute path of the executable binary for the Python interpreter, on systems where this makes sense. attribute flag debug -d py3k_warning -3 division_warning -Q division_new -Qnew inspect -i interactive -i optimize -O or def main(): document = raw_input ('Your document name is ') try: with open(document, 'r') as a: for element in a: print element except: print document, 'does not exist' return if __name__ The largest negative integer is -maxint-1 -- the asymmetry results from the use of 2's complement binary arithmetic.

For other systems, the values are: System platform value Linux (2.x and 3.x) 'linux2' Windows 'win32' Windows/Cygwin 'cygwin' Mac OS X 'darwin' OS/2 'os2' OS/2 event is a string: 'call', 'line', 'return', 'exception', 'c_call', 'c_return', or 'c_exception'. else: # use an alternative implementation or warn the user ... Unless you want to test for a specific system version, it is therefore recommended to use the following idiom: if sys.platform.startswith('freebsd'): # FreeBSD-specific code here...

share|improve this answer answered Nov 3 '13 at 9:02 oefe 11.7k43058 add a comment| up vote -4 down vote os._exit() Exit the process without calling the cleanup handlers. Refer to the warnings module for more information on the warnings framework. Otherwise a TypeError will be raised. getsizeof() calls the object's __sizeof__ method and adds an additional garbage collector overhead if the object is managed by the garbage collector. House of Santa Claus "Rollbacked" or "rolled back" the edit?

The main collection of Python library modules is installed in the directory prefix/lib/pythonX.Y while the platform independent header files (all except pyconfig.h) are stored in prefix sys.exit() SystemExit I can use os.exit(), but that kills the Python on C level, without any cleanups I The type cache is used to speed up attribute and method lookups. A better way to evaluate a certain determinant Security Patch SUPEE-8788 - Possible Problems? (KevinC's) Triangular DeciDigits Sequence Sum of neighbours How would they learn astronomy, those who don't see the

except Exception: ... –delnan Mar 2 '14 at 19:31 @delnan but why would anyone ever do anything like that :-) –Daniel Roseman Mar 2 '14 at 19:31 share|improve this answer answered Jan 13 '09 at 13:15 Keltia 10.4k32328 If it's not caught anywhere, including the wrappers you got there, captain. –ohnoes Jan 13 '09 at 13:30 share|improve this answer answered Nov 2 '13 at 22:22 Dietrich Epp 112k20210280 add a comment| up vote 8 down vote sys.exit is the canonical way to exit. asked 3 years ago viewed 8301 times active 3 years ago Related 2719How do I check whether a file exists using Python?0Python: How do I find why IDLE restarts?327open() in Python

share|improve this answer edited Oct 16 '15 at 11:14 jesterjunk 1,370913 answered Sep 16 '08 at 15:36 pjz 20.4k43249 2 Presumably sys.exit() doesn't work (doesn't kill the process, just kills How do I implement this? Its behavior is part of the implementation platform, rather than part of the language definition, and thus may not be available in all Python implementations. sys.settscdump(on_flag)¶ Activate dumping of VM Nevertheless, quit should not be used in production code.

It is provided in the sys module for informational purposes; modifying this value has no effect on the registry keys used by Python. Make space between rows constant Cyberpunk story: Black samurai, skateboarding courier, Mafia selling pizza and Sumerian goddess as a computer virus Why are unsigned numbers implemented? share|improve this answer edited Dec 9 '13 at 22:12 answered Nov 2 '13 at 22:22 iCodez 77.1k16107135 31 I believe this answer deserves a check mark. –Hao Wang Jan 30 What sense of "hack" is involved in five hacks for using coffee filters?

What kind of bicycle clamps are these? If name does not match any available encoding, LookupError is raised. Removing elements from an array that are in another array more hot questions question feed lang-py about us tour help blog chat data legal privacy policy work here advertising info mobile Not the answer you're looking for?