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RuntimeError: generator raised StopIteration in Dutch verb conjugation #295

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EmmaGerritse opened this issue Dec 18, 2019 · 2 comments
Open

RuntimeError: generator raised StopIteration in Dutch verb conjugation #295

EmmaGerritse opened this issue Dec 18, 2019 · 2 comments

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@EmmaGerritse
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When running the following code:

import pattern.nl
from pattern.nl import conjugate
from pattern.nl import PRESENT, SG, PAST
conjugate("ben", PRESENT, 3, SG)

I get the following error:

Traceback (most recent call last):
  File "/home/emma/miniconda3/lib/python3.7/site-packages/Pattern-3.6-py3.7.egg/pattern/text/__init__.py", line 609, in _read
    raise StopIteration
StopIteration

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/emma/miniconda3/lib/python3.7/site-packages/Pattern-3.6-py3.7.egg/pattern/text/__init__.py", line 2208, in conjugate
    b = self.lemma(verb, parse=kwargs.get("parse", True))
  File "/home/emma/miniconda3/lib/python3.7/site-packages/Pattern-3.6-py3.7.egg/pattern/text/__init__.py", line 2172, in lemma
    self.load()
  File "/home/emma/miniconda3/lib/python3.7/site-packages/Pattern-3.6-py3.7.egg/pattern/text/nl/inflect.py", line 246, in load
    _Verbs.load(self)
  File "/home/emma/miniconda3/lib/python3.7/site-packages/Pattern-3.6-py3.7.egg/pattern/text/__init__.py", line 2127, in load
    for v in _read(self._path):
RuntimeError: generator raised StopIteration

However, if I run conjugate("ben", PRESENT, 3, SG) again in the same shell it works as expected.
@ichuniq
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ichuniq commented Dec 28, 2019

This is one of the behaviors applied in python 3.7 and Pattern is based on 3.6.
This is also discussed in #282 #283 and stackoverflow

@Pikamander2
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This appears to be an easy workaround:

def pattern_stopiteration_workaround():
    try:
        print(lexeme('gave'))
    except:
        pass

def main():
    pattern_stopiteration_workaround()
    #Add your other code here

Basically, the pattern code will fail the first time you run it, so you first need to run it once and catch the Exception it throws.

It's worked well enough for my own scripts, but I don't know if it fixes every possible issue.

Ideally though, somebody should fork the clips/pattern project since it's no longer maintained.

@endolith endolith mentioned this issue Jul 26, 2023
Closed
endolith added a commit to endolith/character-extraction that referenced this issue Jul 28, 2023
@endolith
workaroudn
1ab4d81 
clips/pattern#295 (comment)
endolith added a commit to endolith/character-extraction that referenced this issue Jul 28, 2023
@endolith
Workaround for pattern
ca06ad3 
clips/pattern#295 (comment)
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3 participants
@Pikamander2 @EmmaGerritse @ichuniq