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func_persist fails with Python 3.11 #36302

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balejk opened this issue Sep 19, 2023 · 1 comment · Fixed by #36488
Closed

func_persist fails with Python 3.11 #36302

balejk opened this issue Sep 19, 2023 · 1 comment · Fixed by #36488
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@balejk
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balejk commented Sep 19, 2023

@func_persist
def test(n):
    return n*n

fails with

AttributeError                            Traceback (most recent call last)
Cell In[1], line 1
----> 1 @func_persist
      2 def test(n):
      3     return n*n

File /usr/lib/python3.11/site-packages/sage/misc/func_persist.py:60, in func_persist.__init__(self, f, dir)
     56 self.__dir = dir
     57 os.makedirs(dir, exist_ok=True)
     58 self.__doc__ = '%s%s%s' % (
     59     f.__name__,
---> 60     inspect.formatargspec(*inspect.getargs(f.__code__)),
     61     f.__doc__)

AttributeError: module 'inspect' has no attribute 'formatargspec'

This is because inspect.formatargspec has been deprecated in Python 3.5 and removed in 3.11. Probably related to #33842.

@jhpalmieri
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I have a proposed fix at #36488.

vbraun pushed a commit to vbraun/sage that referenced this issue Oct 21, 2023
…ect.formatargspec, but instead use inspect.signature.

Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
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appropriately. -->

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- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

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URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 24, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

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<!-- If your change requires a documentation PR, please link it
appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
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- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 26, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

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appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
<!-- Feel free to remove irrelevant items. -->

- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 28, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->
<!-- If your change requires a documentation PR, please link it
appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
<!-- Feel free to remove irrelevant items. -->

- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 28, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->
<!-- If your change requires a documentation PR, please link it
appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
<!-- Feel free to remove irrelevant items. -->

- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 29, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->
<!-- If your change requires a documentation PR, please link it
appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
<!-- Feel free to remove irrelevant items. -->

- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
vbraun pushed a commit to vbraun/sage that referenced this issue Oct 29, 2023
…ect.formatargspec, but instead use inspect.signature.

    
Fix func_persist: do not use inspect.formatargspec (gone as of Python
3.11)

<!-- ^^^^^
Please provide a concise, informative and self-explanatory title.
Don't put issue numbers in there, do this in the PR body below.
For example, instead of "Fixes sagemath#1234" use "Introduce new method to
calculate 1+1"
-->
<!-- Describe your changes here in detail -->

The method `inspect.formatargspec` has been deprecated since Python 3.5,
now removed as of 3.11. `func_persist` still uses it, so we replace it
with `inspect.signature`.

Another option would be to replace it with
`sageinspect.sage_formatargspec`. I think that func_persist should only
be used with Python functions, not Cython, and `inspect.signature` is
nicer for Python functions. If the function is defined as `def test(n:
int) -> int:`, For example, then `inspect.signature` will return `(n:
int) -> int` while `sageinspect.sage_formatargspec` will just return
`(n)`.

This should fix sagemath#36302.

<!-- Why is this change required? What problem does it solve? -->
<!-- If this PR resolves an open issue, please link to it here. For
example "Fixes sagemath#12345". -->
<!-- If your change requires a documentation PR, please link it
appropriately. -->

### 📝 Checklist

<!-- Put an `x` in all the boxes that apply. -->
<!-- If your change requires a documentation PR, please link it
appropriately -->
<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
<!-- Feel free to remove irrelevant items. -->

- [X] The title is concise, informative, and self-explanatory.
- [X] The description explains in detail what this PR is about.
- [X] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation accordingly.

### ⌛ Dependencies

<!-- List all open PRs that this PR logically depends on
- sagemath#12345: short description why this is a dependency
- sagemath#34567: ...
-->

<!-- If you're unsure about any of these, don't hesitate to ask. We're
here to help! -->
    
URL: sagemath#36488
Reported by: John H. Palmieri
Reviewer(s): balejk
@mkoeppe mkoeppe added this to the sage-10.2 milestone Oct 31, 2023
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