python Programming Glossary: stopiteration
Sorting text file by using Python http://stackoverflow.com/questions/14465154/sorting-text-file-by-using-python key key yield value try iterables i 0 next it except StopIteration del iterables i if not iterables raise share improve this..
Understanding Generators in Python? http://stackoverflow.com/questions/1756096/understanding-generators-in-python for every call it returns some value until it raises a StopIteration exception signaling that all values have been generated. Such.. most recent call last File stdin line 1 in module StopIteration As you can see myGen n is a function which yields n and n 1.. most recent call last File stdin line 1 in module StopIteration Note that generator expressions are much like list comprehensions..
Build a Basic Python Iterator http://stackoverflow.com/questions/19151/build-a-basic-python-iterator is implicitly called at each loop increment. next raises a StopIteration exception when there are no more value to return which is implicitly.. return self def next self if self.current self.high raise StopIteration else self.current 1 return self.current 1 for c in Counter 3..
Iterate over the lines of a string http://stackoverflow.com/questions/3054604/iterate-over-the-lines-of-a-string nl stri.readline if nl '' yield nl.strip ' n' else raise StopIteration Measuring gives python mtimeit s'import asp' 'list asp.f4 '..
How to access previous/next element while for looping? http://stackoverflow.com/questions/323750/how-to-access-previous-next-element-while-for-looping iter iterable prev None item iterator.next # throws StopIteration if empty. for next in iterator yield prev item next prev item..
generator comprehension http://stackoverflow.com/questions/364802/generator-comprehension most recent call last File stdin line 1 in module StopIteration # Yup the generator is spent. No values for you ... # Let's..
check if all elements in a list are identical http://stackoverflow.com/questions/3844801/check-if-all-elements-in-a-list-are-identical iterator return all first rest for rest in iterator except StopIteration return True One liner def checkEqual2 iterator return len set..
How can I improve my paw detection? http://stackoverflow.com/questions/4087919/how-can-i-improve-my-paw-detection try time data read_frame infile yield time data except StopIteration break def read_frame infile Reads a frame from the infile...
Generate permutations of list with repeated elements http://stackoverflow.com/questions/4250125/generate-permutations-of-list-with-repeated-elements end or start 1 end return start 1 end 1 if not seq raise StopIteration try seq 0 except TypeError raise TypeError seq must allow random.. is often # used inside do while. yield seq if last 1 raise StopIteration while True next last 1 while True # Step 1. next1 next next.. copy operations. yield seq break if next first raise StopIteration raise StopIteration for p in next_permutation int c for c in..
Python nested functions variable scoping http://stackoverflow.com/questions/5218895/python-nested-functions-variable-scoping _total PRICE_RANGES key 0 return recurse _i except StopIteration return key quantity key res recurse _i And i get global name..
do-while loop in Python? http://stackoverflow.com/questions/743164/do-while-loop-in-python s None while True if s print s try s i.next except StopIteration break print done Instead of 1 2 3 done I have the following.. last ' ' File test_python.py line 8 in module s i.next ' 'StopIteration ' What can I do in order to catch 'stop iteration' excepton.. # re evaluate same line continue try s i.next except StopIteration break python while loop share improve this question I am..
Getting realtime output using subprocess http://stackoverflow.com/questions/803265/getting-realtime-output-using-subprocess while True try print p.stdout.next .replace ' n' '' except StopIteration break but got the same result. Is it possible to get 'realtime'..
Python: find first element in a sequence that matches a predicate http://stackoverflow.com/questions/8534256/python-find-first-element-in-a-sequence-that-matches-a-predicate question next x for x in seq if predicate x It raises StopIteration if there is none. next ifilter predicate seq None returns None..
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