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python Programming Glossary: catchingCommon pitfalls in Python [duplicate] http://stackoverflow.com/questions/1011431/common-pitfalls-in-python done with xrange myIndexList xrange 3 Be careful catching multiple exception types try raise KeyError hmm bug except KeyError.. prints hmm bug though it is not a bug it looks like we are catching exceptions of both types but instead we are catching KeyError.. are catching exceptions of both types but instead we are catching KeyError only as variable TypeError use this instead try raise..
How can I detect duplicate method names in a python class? http://stackoverflow.com/questions/10761988/how-can-i-detect-duplicate-method-names-in-a-python-class test would get called. Is there a way of programmatically catching this sort of error short of parsing the raw source code directly..
Why isn't assertRaises catching my Attribute Error using python unittest? http://stackoverflow.com/questions/1274047/why-isnt-assertraises-catching-my-attribute-error-using-python-unittest isn't assertRaises catching my Attribute Error using python unittest I'm trying to run..
“Inner exception” (with traceback) in Python? http://stackoverflow.com/questions/1350671/inner-exception-with-traceback-in-python raise MyException None sys.exc_info 2 Always do this when catching one exception and re raising another. share improve this answer..
Differences between isinstance() and type() in python http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python of a certain desired type do it in a try except statement catching all exceptions that could arise if the argument was not in fact..
catching stdout in realtime from subprocess http://stackoverflow.com/questions/1606795/catching-stdout-in-realtime-from-subprocess stdout in realtime from subprocess I have read tons of posts..
Using SQLite in a Python program http://stackoverflow.com/questions/211501/using-sqlite-in-a-python-program get an error that the table already exists even if I tried catching the exception. I haven't used try except before but figured..
Create directory if it doesn't exist for file write http://stackoverflow.com/questions/273192/create-directory-if-it-doesnt-exist-for-file-write will fail with an OSError . Unfortunately blanket catching OSError and continuing is not foolproof as it will ignore a..
How can I sandbox Python in pure Python? http://stackoverflow.com/questions/3068139/how-can-i-sandbox-python-in-pure-python dev a year ago or so in which people did things from catching exceptions and poking at internal state to break out to byte..
Checking validity of email in django/python http://stackoverflow.com/questions/3217682/checking-validity-of-email-in-django-python function or even better import validate_email and use it catching possible ValidationError . def validateEmail email from django.core.validators..
Pipe subprocess standard output to a variable http://stackoverflow.com/questions/4514751/pipe-subprocess-standard-output-to-a-variable them you can do that by piping stderr to stdout and then catching stdout. subprocess.Popen cmd stdout subprocess.PIPE stderr subprocess.STDOUT..
Why can't I handle a KeyboardInterrupt in python? http://stackoverflow.com/questions/4606942/why-cant-i-handle-a-keyboardinterrupt-in-python in the code about what piece of code is responsible for catching them highest possible in the call stack seems appropriate except..
Sqlite3, OperationalError: unable to open database file http://stackoverflow.com/questions/4636970/sqlite3-operationalerror-unable-to-open-database-file trying to write to that database or is something śclever catching you out and causing it to try to open something else I've been..
Try/catch or validation for speed? http://stackoverflow.com/questions/5589532/try-catch-or-validation-for-speed the pre check more expensive than the cost of raising and catching an exception If yes then EAFP is always faster and should be..
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 conventional in Python to just go ahead and try to use it catching the exception if access is rejected. Exceptions can also be..
Getting realtime output from ffmpeg to be used in progress bar (PyQt4, stdout) http://stackoverflow.com/questions/7632589/getting-realtime-output-from-ffmpeg-to-be-used-in-progress-bar-pyqt4-stdout a progress bar http stackoverflow.com questions 1606795 catching stdout in realtime from subprocess I'm able to see the output..
http://stackoverflow.com/questions/855759/python-try-else code to the try clause because it avoids accidentally catching an exception that wasn ™t raised by the code being protected..
Windows cmd encoding change causes Python crash http://stackoverflow.com/questions/878972/windows-cmd-encoding-change-causes-python-crash stderr is directed to our wrapper. # So be paranoid about catching errors and reporting them to original_stderr # so that we can..
Python When I catch an exception, how do I get the type, file, and line number? http://stackoverflow.com/questions/1278705/python-when-i-catch-an-exception-how-do-i-get-the-type-file-and-line-number an exception how do I get the type file and line number Catching an exception that would print like this Traceback most recent..
How can I learn more about Python?™s internals? http://stackoverflow.com/questions/3298464/how-can-i-learn-more-about-pythons-internals language. For example 3105 Making print a function 3110 Catching exceptions in Python 3.x 3131 Supporting non ASCII identifiers..
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 2 different mentality etc. Update2 The Java mentality Is Catching a Null Pointer Exception a Code Smell Link to relevant parts.. to take less than half a dozen machine instructions. The Catching NPE is code smell scenario is a bit different. The problem there.. a bad idea to catch Exception. The second aspect of Catching NPE is code smell is that people typically resort to this because..
Catching an exception while using a Python 'with' statement http://stackoverflow.com/questions/713794/catching-an-exception-while-using-a-python-with-statement an exception while using a Python 'with' statement To my shame..
Python FAQ: ?śHow fast are exceptions???/a> http://stackoverflow.com/questions/8107695/python-faq-how-fast-are-exceptions an exception while using a Python 'with' statement To my shame..
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