Author vstinner
Recipients Mark.Shannon, mark.dickinson, vstinner
Date 2021-03-31.14:50:45
SpamBayes Score -1.0
Marked as misclassified Yes
Message-id <1617202245.15.0.800735868102.issue43682@roundup.psfhosted.org>
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> I don't understand what the problem is. _pyio.open is a function not a static method.

The problem is that _pyio.open doesn't behave exactly as io.open when it's used to define a method:
---
#from io import open
from _pyio import open

class MyClass:
   my_open = open

MyClass().my_open("document.txt", "w")
---

This code currently fails with a TypeError, whereas it works with io.open.

The problem is that I failed to find a way to create a function in Python which behaves exactly as built-in functions like len() or io.open().
History
Date User Action Args
2021-03-31 14:50:45vstinnersetrecipients: + vstinner, mark.dickinson, Mark.Shannon
2021-03-31 14:50:45vstinnersetmessageid: <1617202245.15.0.800735868102.issue43682@roundup.psfhosted.org>
2021-03-31 14:50:45vstinnerlinkissue43682 messages
2021-03-31 14:50:45vstinnercreate