Mots clés : pythonexceptionexception-handlingpython
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except (IDontLikeYouException, YouAreBeingMeanException) as e: pass
except (IDontLikeYouException, YouAreBeingMeanException), e: pass
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try: may_raise_specific_errors(): except (SpecificErrorOne, SpecificErrorTwo) as error: handle(error) # might log or have some other default behavior...
import sys try: mainstuff() except (KeyboardInterrupt, EOFError): # the parens are necessary sys.exit(0)
import sys try: mainstuff() except (KeyboardInterrupt, EOFError) as err: print(err) print(err.args) sys.exit(0)
import sys try: mainstuff() except (KeyboardInterrupt, EOFError), err: # don't do this in Python 2.6+ print err print err.args sys.exit(0)
try: do_something() except (IDontLikeYouException, YouAreBeingMeanException) as e: pass
from contextlib import suppress with suppress(IDontLikeYouException, YouAreBeingMeanException): do_something()
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except (RuntimeError, TypeError, NameError): pass
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#This example code is a technique I use in a library that connects with websites to gather data ConnectErrs = (URLError, SSLError, SocketTimeoutError, BadStatusLine, ConnectionResetError) def connect(url, data): #do connection and return some data return(received_data) def some_function(var_a, var_b, ...): try: o = connect(url, data) except ConnectErrs as e: #do the recovery stuff blah #do normal stuff you would do if no exception occurred
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try: You do your operations here; ...................... except(Exception1[, Exception2[,...ExceptionN]]]): If there is any exception from the given exception list, then execute this block. ...................... else: If there is no exception then execute this block.
try: You do your operations here; ...................... except Exception1: functionname(parameterList) except Exception2: functionname(parameterList) except Exception3: functionname(parameterList) else: If there is no exception then execute this block. def functionname( parameters ): //your task.. return [expression]