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python Programming Glossary: exceptions

Common pitfalls in Python [duplicate]

http://stackoverflow.com/questions/1011431/common-pitfalls-in-python

bug though it is not a bug it looks like we are catching exceptions of both types but instead we are catching KeyError only as variable..

Proper way to declare custom exceptions in modern Python?

http://stackoverflow.com/questions/1319615/proper-way-to-declare-custom-exceptions-in-modern-python

way to declare custom exceptions in modern Python What's the proper way to declare custom exception..

Differences between isinstance() and type() in python

http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python

desired type do it in a try except statement catching all exceptions that could arise if the argument was not in fact of that type..

Using try vs if in python

http://stackoverflow.com/questions/1835756/using-try-vs-if-in-python

I'd use the try except approach. It will be faster if exceptions really are exceptional. If result is None more than 50 of the.. the existence of valid keys or attributes and catches exceptions if the assumption proves false. This clean and fast style is..

Can I use Python as a bash replacement?

http://stackoverflow.com/questions/209470/can-i-use-python-as-a-bash-replacement

Each separate Linux command in the shell with a few exceptions forks a subprocess. By using Python shutil and os modules you..

Downloading a picture via urllib and python

http://stackoverflow.com/questions/3042757/downloading-a-picture-via-urllib-and-python

than having the program quit after a certain number of exceptions are raised. import urllib import os comicCounter len os.listdir..

How can I sandbox Python in pure Python?

http://stackoverflow.com/questions/3068139/how-can-i-sandbox-python-in-pure-python

a year ago or so in which people did things from catching exceptions and poking at internal state to break out to byte code manipulation...

Why is it “Easier to ask forgiveness than permission” in python, but not in Java? [closed]

http://stackoverflow.com/questions/6092992/why-is-it-easier-to-ask-forgiveness-than-permission-in-python-but-not-in-java

from the above book The moral of this story is simple exceptions are as their name impllies to be used only for exceptional conditions.. above wikipedia article Python style calls for the use of exceptions whenever an error condition might arise. Rather than testing.. sum of the extra syscalls is probably as expensive as the exceptions that they are trying to avoid ... especially if the open is..

Creating a singleton in python

http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python

are generally instantiated. This is a good point with two exceptions . The first and one that gets mentioned in various places is..

How do I check if a variable exists in Python?

http://stackoverflow.com/questions/843277/how-do-i-check-if-a-variable-exists-in-python

NameError # Do something. Are there other ways without exceptions python exception variables share improve this question ..

Python try-else

http://stackoverflow.com/questions/855759/python-try-else

could for example throw an IOError and you want to catch exceptions it raises but there's something else you want to do if the first..

Using Python's Multiprocessing module to execute simultaneous and separate SEAWAT/MODFLOW model runs

http://stackoverflow.com/questions/9874042/using-pythons-multiprocessing-module-to-execute-simultaneous-and-separate-seawa

queue.get None try run args except Exception as e # catch exceptions to avoid exiting the # thread prematurely print ' r failed.. queue.get None try run args except Exception as e # catch exceptions to avoid exiting the # thread prematurely print ' r failed.. on `filename` def safe_run args kwargs Call run catch exceptions. try run args kwargs except Exception as e print error s run..

How to create a generator/iterator with the Python C API?

http://stackoverflow.com/questions/1815812/how-to-create-a-generator-iterator-with-the-python-c-api

the C API I can't seem to find it listed in the Standard Exceptions . Also perhaps more importantly is this the correct way to approach..

What are good rules of thumb for Python imports?

http://stackoverflow.com/questions/193919/what-are-good-rules-of-thumb-for-python-imports

and reference to it in the code from main.core import Exceptions # ... raise Exceptions.FileNotFound We use the import X as Y.. in the code from main.core import Exceptions # ... raise Exceptions.FileNotFound We use the import X as Y as rarely as possible..

How are exceptions implemented under the hood?

http://stackoverflow.com/questions/1995734/how-are-exceptions-implemented-under-the-hood

you. c python c exception share improve this question Exceptions are just a specific example of a more general case of advanced.. JavaScript does have exceptions. So they used JavaScript Exceptions to implement Volta Continuations and then they used Volta Continuations.. and then they used Volta Continuations to implement .NET Exceptions .NET Generators and even .NET Managed Threads So to answer your..

Checking for member existence in Python

http://stackoverflow.com/questions/204308/checking-for-member-existence-in-python

argument does not apply here but it's the general idea. Exceptions should not be treated as too exceptional. Performance wise in..

Python: if key in dict vs. try/except

http://stackoverflow.com/questions/4512557/python-if-key-in-dict-vs-try-except

and why python idioms share improve this question Exceptions are not conditionals. The conditional version is clearer. That's..

Is python exception handling more efficient than PHP and/or other languages?

http://stackoverflow.com/questions/4717484/is-python-exception-handling-more-efficient-than-php-and-or-other-languages

language everything simply takes more work to begin with. Exceptions still aren't free but the disparity is no longer something to.. means the general wisdom formed in C is misapplied here. Exceptions are regularly used in normal program flow. In fact they're built..

Python: How to ignore an exception and proceed? [duplicate]

http://stackoverflow.com/questions/574730/python-how-to-ignore-an-exception-and-proceed

answer here Try Except in Python How to properly ignore Exceptions 9 answers I have a try...except block in my code and..

Why is it “Easier to ask forgiveness than permission” in python, but not in Java? [closed]

http://stackoverflow.com/questions/6092992/why-is-it-easier-to-ask-forgiveness-than-permission-in-python-but-not-in-java

not http en.wikipedia.org wiki Python_syntax_and_semantics#Exceptions excerpt from the above wikipedia article Python style calls.. to use it catching the exception if access is rejected. Exceptions can also be used as a more general means of non local transfer.. a more general means of non local transfer of control ... Exceptions are often ... used as an alternative to the if block. A commonly..

Logging Uncaught Exceptions in Python

http://stackoverflow.com/questions/6234405/logging-uncaught-exceptions-in-python

Uncaught Exceptions in Python How do you cause uncaught exceptions to output via..

Try/Except in Python: How to properly ignore Exceptions?

http://stackoverflow.com/questions/730764/try-except-in-python-how-to-properly-ignore-exceptions

Except in Python How to properly ignore Exceptions When you just want to do a try except without handling the..

Python FAQ: ?œHow fast are exceptions???/a>

http://stackoverflow.com/questions/8107695/python-faq-how-fast-are-exceptions

Except in Python How to properly ignore Exceptions When you just want to do a try except without handling the..

Python try-else

http://stackoverflow.com/questions/855759/python-try-else

Honestly I've never found a need. However Handling Exceptions notes The use of the else clause is better than adding additional..

pydev breakpoints not working

http://stackoverflow.com/questions/9486871/pydev-breakpoints-not-working

85 func_name testAdjacency 'received command ' '122 t5 t ' Exceptions to hook 'received command ' '124 t7 t' 'received command ' '101..