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Improve repr of pygit2.hash

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Stale
Tech stack
python
Domain
devtools

Research direction

Start by reproducing the Python REPL example in the issue and inspect the implementation behind pygit2.hash. Determine how its repr currently matches the built-in hash, then make the representation distinguish the two functions and verify the revised output in Python.

Written by the indexing model from the issue text.

Description

At present hash and pygit2.hash have the same repr. We can tell them apart by looking at the __module__ attribute. But not their type.

Python 3.10.6 (main, Nov 14 2022, 16:10:14) [GCC 11.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import pygit2
>>> hash, pygit2.hash
(<built-in function hash>, <built-in function hash>)
>>> id(hash) - id(pygit2.hash)
2918112
>>> pygit2.hash.__module__
'pygit2._pygit2'
>>> hash.__module__
'builtins'
>>> type(hash), type(pygit2.hash)
(<class 'builtin_function_or_method'>, <class 'builtin_function_or_method'>)
>>> 

This will confuse anyone who relies on repr to check that they are using the correct hash function.

Dominant language
Python
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Merged PRs (30d)
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