The Python `StopIteration` exception.
Questions tagged [stopiteration]
72 questions
0
votes
0 answers
Querying a mongodb raises stop iteration error
Using the following code, I am trying to extract two dates from an object in mongodb and then calculate the difference in time between the two dates -- if both year are in/past 2016. My current code raises the following error:
DeprecationWarning:…
Graham Streich
- 874
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- 31
0
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0 answers
extracting sub_folders of a path in python using next(os.walk(path))[1]
I have a python program and in my program, I want to manipulate folder and subfolders. When I use subfolders = next(os.walk(src))[1] command, I get this error:
StopIteration
I have no idea about this error. I print the path before rising the error…
Stateless
- 293
- 2
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- 18
0
votes
1 answer
StopIteration given by a file iteration that uses nested loops
I'm having some issues with the following block of code.
What I'm trying to do is go through a file line by line, and pull out the lines following a line that contains ".W", until it reaches a line that starts with ".I"
with…
wtk219
- 285
- 1
- 9
0
votes
2 answers
Python Wolfram Alpha API: StopIteration
How can I avoid the stopiteration error? I am unaware of any functions or loops that the code may be iterating through.
import wolframalpha
client = wolframalpha.Client('My Key is Goes Here')
res = client.query('pi')
print next(res.results).text
K. W. Cooper
- 313
- 3
- 12
0
votes
0 answers
return value from generator in py3.2 *and* py3.5
In Python 3.3 and newer, you can return a value from a generator; we use this in Tornado to have functions that call big and slow subprocesses (translate_part below) without blocking the main thread, and also without having more than one of the…
unhammer
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- 52
-1
votes
2 answers
StopIteration exception raised in a function
I have the following function in my python script:
def subset_sum (list_of_int,target):
#create iterable
itr = chain.from_iterable(combinations(list_of_int, n) for n in range(2,len(list_of_int)-1))
#number of iteration rounds
rounds…
SQL_Roundabout
- 43
- 6
-1
votes
1 answer
Why doesn't this code raise a StopIteration exception?
In this code I have class name Iter that contains Two dunder methods __iter__ and __next__. In __iter__method I set self.current equal to zero and return self. In next method I increase
self.current += 1. When it reaches 10 I want it to raise a…
SRISANT PATI
- 7
- 3
-1
votes
1 answer
StopIteration error/ exception/ bug while using multiple if condition and next()
I used jupyter notebook here.
This code is from a youtube video. It was working in the youtuber's computer but mine raise a Stopiteration error
Here I am trying to get all the titles(questions from the csv) that are questions related to 'Go'…
vedant
- 1
- 2
-1
votes
2 answers
How do I prevent my list comprehension from raising a stopIteration error
I'm stepping through a text file with records that are 3-lines long. If, in the first line, I can say "this is a record that I don't want to count", I want to move to the start of the next record, 2 lines further down. Currently, I'm running a…
phfb
- 121
- 2
- 12
-1
votes
1 answer
How to solve the StopIteration issue while the XML tag does not have a value using Python script
I am using ixml to parse the XML doxument.
from lxml import etree
root=etree.XML(full xml tag file content)
if (next(root.iterfind(".//one_inner_tag")).text is None):
Print "NONE VALUE"
else:
Print…
sara
- 115
- 1
- 2
- 15
-2
votes
2 answers
Problem with using a function just once in a range
I have an assignment and couldn't figure out the true solution.
def triple(n): #multiplies number with 3
return (n*3)
def square(n):
return (n**2) #takes second power of number
for i in range(1,11):
if triple(i) > square(i):
…
Mustafa Gumustas
- 9
- 1
- 4
-6
votes
2 answers
wolframalpha result stopiteration
I getting an error for my below code:
import wolframalpha
ask = input("Question:- ")
app_id = "E82747-Y2LGY6EKH3"
client = wolframalpha.Client(app_id)
res = client.query(ask)
answer = next(res.results).text
print (answer)
Error I am…
Vipul
- 11
- 1