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Fixes generics in mypy types #443

Merged
merged 2 commits into from Oct 19, 2018
Merged

Fixes generics in mypy types #443

merged 2 commits into from Oct 19, 2018

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@tailhook
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@tailhook tailhook commented Sep 6, 2018

This removes errors in attrs library when using mypy setting: disallow_any_generics = True

Fixes #441

Note: I'm not entirely sure that these types are correct as I'm both not very proficient with mypy generics and not familiar with attrs library itself.

@hynek
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@hynek hynek commented Sep 6, 2018

One of @chadrik @euresti or @ethanhs please. :)

def fields(cls: type) -> _Fields: ...
def fields_dict(cls: type) -> Dict[str, Attribute]: ...
def fields(cls: type) -> _Fields[_T]: ...
def fields_dict(cls: type) -> Dict[str, Attribute[_T]]: ...

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@@ -223,7 +223,7 @@ def make_class(
def asdict(
inst: Any,
recurse: bool = ...,
filter: Optional[_FilterType] = ...,
filter: Optional[_FilterType[_T]] = ...,

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@chadrik
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@chadrik chadrik commented Sep 6, 2018

I added a few comments on the code, but don't have time to go too deep on this. Long story short is that a lot of changes here are creating false relationships, or simply using TypeVar incorrectly. I'm not familiar with disallow_any_generics option, but given that changing Sequence to Sequence[Any] seems to be solving the OPs problem, I would think that using Any everywhere would be the safest solution.

This removes errors in attrs library when using
mypy setting: `disallow_any_generics = True`

Fixes python-attrs#441
@tailhook
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@tailhook tailhook commented Sep 7, 2018

You're right. Changed most of them to Any, which is right for sequences. Only left _ValidatorType and _FilterType with type vars because as far as I can see their Attribute type is tied to the value passed to a callback.

And I'm keeping typevar in comparison operators. Are comparison operators expected to compare different types of attributes?

Let me know what you think.

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@tailhook tailhook commented Sep 7, 2018

(it seems travis is failed by some transient network error, and codecov failure is also something not related to the actual changes)

euresti
euresti approved these changes Sep 7, 2018
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@euresti euresti left a comment

This looks fine to me!

@hynek
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@hynek hynek commented Sep 7, 2018

Add a news fragment please before merging

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@euresti euresti left a comment

Add a news fragment, please.

@tailhook
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@tailhook tailhook commented Sep 10, 2018

Sorry, I'm not sure how to describe these changes.

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@hynek hynek commented Oct 19, 2018

I tried to push a fragment against this repo but I utterly failed – dunno exactly at what. Gonna merge it and add something myself. CI is failing because of a bug in pytest 3.9.1.

@hynek hynek merged commit a216a11 into python-attrs:master Oct 19, 2018
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bors bot added a commit to mozilla/normandy that referenced this issue Mar 4, 2019
1784: Scheduled weekly dependency update for week 09 r=peterbe a=pyup-bot






### Update [attrs](https://pypi.org/project/attrs) from **18.2.0** to **19.1.0**.


<details>
  <summary>Changelog</summary>
  
  
   ### 19.1.0
   ```
   -------------------

Backward-incompatible Changes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

- Fixed a bug where deserialized objects with ``cache_hash=True`` could have incorrect hash code values.
  This change breaks classes with ``cache_hash=True`` when a custom ``__setstate__`` is present.
  An exception will be thrown when applying the ``attrs`` annotation to such a class.
  This limitation is tracked in issue `494 &lt;https://github.com/python-attrs/attrs/issues/494&gt;`_.
  `482 &lt;https://github.com/python-attrs/attrs/issues/482&gt;`_


Changes
^^^^^^^

- Add ``is_callable``, ``deep_iterable``, and ``deep_mapping`` validators.

  * ``is_callable``: validates that a value is callable
  * ``deep_iterable``: Allows recursion down into an iterable,
    applying another validator to every member in the iterable
    as well as applying an optional validator to the iterable itself.
  * ``deep_mapping``: Allows recursion down into the items in a mapping object,
    applying a key validator and a value validator to the key and value in every item.
    Also applies an optional validator to the mapping object itself.

  You can find them in the ``attr.validators`` package.
  `425 &lt;https://github.com/python-attrs/attrs/issues/425&gt;`_
- Fixed stub files to prevent errors raised by mypy&#39;s ``disallow_any_generics = True`` option.
  `443 &lt;https://github.com/python-attrs/attrs/issues/443&gt;`_
- Attributes with ``init=False`` now can follow after ``kw_only=True`` attributes.
  `450 &lt;https://github.com/python-attrs/attrs/issues/450&gt;`_
- ``attrs`` now has first class support for defining exception classes.

  If you define a class using ``attr.s(auto_exc=True)`` and subclass an exception, the class will behave like a well-behaved exception class including an appropriate ``__str__`` method, and all attributes additionally available in an ``args`` attribute.
  `500 &lt;https://github.com/python-attrs/attrs/issues/500&gt;`_
- Clarified documentation for hashing to warn that hashable objects should be deeply immutable (in their usage, even if this is not enforced).
  `503 &lt;https://github.com/python-attrs/attrs/issues/503&gt;`_


----
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/attrs
  - Changelog: https://pyup.io/changelogs/attrs/
  - Homepage: https://www.attrs.org/
</details>





### Update [botocore](https://pypi.org/project/botocore) from **1.12.101** to **1.12.106**.


<details>
  <summary>Changelog</summary>
  
  
   ### 1.12.106
   ```
   ========

* api-change:``ec2``: Update ec2 client to latest version
* api-change:``autoscaling-plans``: Update autoscaling-plans client to latest version
   ```
   
  
  
   ### 1.12.105
   ```
   ========

* api-change:``ssm``: Update ssm client to latest version
* api-change:``apigatewayv2``: Update apigatewayv2 client to latest version
* api-change:``alexaforbusiness``: Update alexaforbusiness client to latest version
* api-change:``application-autoscaling``: Update application-autoscaling client to latest version
   ```
   
  
  
   ### 1.12.104
   ```
   ========

* api-change:``waf-regional``: Update waf-regional client to latest version
* api-change:``waf``: Update waf client to latest version
   ```
   
  
  
   ### 1.12.103
   ```
   ========

* api-change:``discovery``: Update discovery client to latest version
* api-change:``organizations``: Update organizations client to latest version
* api-change:``resource-groups``: Update resource-groups client to latest version
* api-change:``opsworkscm``: Update opsworkscm client to latest version
* api-change:``pinpoint``: Update pinpoint client to latest version
* api-change:``mediaconvert``: Update mediaconvert client to latest version
* api-change:``cur``: Update cur client to latest version
   ```
   
  
  
   ### 1.12.102
   ```
   ========

* api-change:``elbv2``: Update elbv2 client to latest version
* api-change:``mediastore``: Update mediastore client to latest version
* api-change:``ce``: Update ce client to latest version
* api-change:``autoscaling``: Update autoscaling client to latest version
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/botocore
  - Changelog: https://pyup.io/changelogs/botocore/
  - Repo: https://github.com/boto/botocore
</details>





### Update [cffi](https://pypi.org/project/cffi) from **1.12.1** to **1.12.2**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/cffi
  - Changelog: https://pyup.io/changelogs/cffi/
  - Docs: http://cffi.readthedocs.org
</details>





### Update [idna](https://pypi.org/project/idna) from **2.6** to **2.8**.


<details>
  <summary>Changelog</summary>
  
  
   ### 2.8
   ```
   ++++++++++++++++

- Update to Unicode 11.0.0.
- Provide more specific exceptions for some malformed labels.
   ```
   
  
  
   ### 2.7
   ```
   ++++++++++++++++

- Update to Unicode 10.0.0.
- No longer accepts dot-prefixed domains (e.g. &quot;.example&quot;) as valid.
  This is to be more conformant with the UTS 46 spec. Users should
  strip dot prefixes from domains before processing.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/idna
  - Changelog: https://pyup.io/changelogs/idna/
  - Repo: https://github.com/kjd/idna
</details>





### Update [pyflakes](https://pypi.org/project/pyflakes) from **2.1.0** to **2.1.1**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pyflakes
  - Changelog: https://pyup.io/changelogs/pyflakes/
  - Repo: https://github.com/PyCQA/pyflakes
</details>





### Update [google-api-core](https://pypi.org/project/google-api-core) from **1.7.0** to **1.8.0**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/google-api-core
  - Repo: https://github.com/GoogleCloudPlatform/google-cloud-python
</details>





### Update [google-cloud-core](https://pypi.org/project/google-cloud-core) from **0.28.1** to **0.29.1**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/google-cloud-core
  - Repo: https://github.com/GoogleCloudPlatform/google-cloud-python
</details>





### Update [protobuf](https://pypi.org/project/protobuf) from **3.6.1** to **3.7.0**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/protobuf
  - Changelog: https://pyup.io/changelogs/protobuf/
  - Repo: https://github.com/protocolbuffers/protobuf/releases
  - Homepage: https://developers.google.com/protocol-buffers/
</details>





### Update [boto3](https://pypi.org/project/boto3) from **1.9.101** to **1.9.106**.


<details>
  <summary>Changelog</summary>
  
  
   ### 1.9.106
   ```
   =======

* api-change:``ec2``: [``botocore``] Update ec2 client to latest version
* api-change:``autoscaling-plans``: [``botocore``] Update autoscaling-plans client to latest version
   ```
   
  
  
   ### 1.9.105
   ```
   =======

* api-change:``ssm``: [``botocore``] Update ssm client to latest version
* api-change:``apigatewayv2``: [``botocore``] Update apigatewayv2 client to latest version
* api-change:``alexaforbusiness``: [``botocore``] Update alexaforbusiness client to latest version
* api-change:``application-autoscaling``: [``botocore``] Update application-autoscaling client to latest version
   ```
   
  
  
   ### 1.9.104
   ```
   =======

* api-change:``waf-regional``: [``botocore``] Update waf-regional client to latest version
* api-change:``waf``: [``botocore``] Update waf client to latest version
   ```
   
  
  
   ### 1.9.103
   ```
   =======

* api-change:``discovery``: [``botocore``] Update discovery client to latest version
* api-change:``organizations``: [``botocore``] Update organizations client to latest version
* api-change:``resource-groups``: [``botocore``] Update resource-groups client to latest version
* api-change:``opsworkscm``: [``botocore``] Update opsworkscm client to latest version
* api-change:``pinpoint``: [``botocore``] Update pinpoint client to latest version
* api-change:``mediaconvert``: [``botocore``] Update mediaconvert client to latest version
* api-change:``cur``: [``botocore``] Update cur client to latest version
   ```
   
  
  
   ### 1.9.102
   ```
   =======

* api-change:``elbv2``: [``botocore``] Update elbv2 client to latest version
* api-change:``mediastore``: [``botocore``] Update mediastore client to latest version
* api-change:``ce``: [``botocore``] Update ce client to latest version
* api-change:``autoscaling``: [``botocore``] Update autoscaling client to latest version
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/boto3
  - Changelog: https://pyup.io/changelogs/boto3/
  - Repo: https://github.com/boto/boto3
</details>





### Update [django-cors-headers](https://pypi.org/project/django-cors-headers) from **2.4.0** to **2.4.1**.


<details>
  <summary>Changelog</summary>
  
  
   ### 2.4.1
   ```
   ------------------

* Fix ``DeprecationWarning`` from importing ``collections.abc.Sequence`` on
  Python 3.7.
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/django-cors-headers
  - Changelog: https://pyup.io/changelogs/django-cors-headers/
  - Repo: https://github.com/ottoyiu/django-cors-headers
</details>





### Update [django-mozilla-product-details](https://pypi.org/project/django-mozilla-product-details) from **0.13** to **0.13.1**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/django-mozilla-product-details
  - Repo: https://github.com/mozilla/django-product-details/
</details>





### Update [djangorestframework](https://pypi.org/project/djangorestframework) from **3.9.1** to **3.9.2**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/djangorestframework
  - Changelog: https://pyup.io/changelogs/djangorestframework/
  - Homepage: https://www.django-rest-framework.org/
</details>





### Update [jsonschema](https://pypi.org/project/jsonschema) from **3.0.0** to **3.0.1**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/jsonschema
  - Changelog: https://pyup.io/changelogs/jsonschema/
  - Repo: https://github.com/Julian/jsonschema
</details>





### Update [pytest-django](https://pypi.org/project/pytest-django) from **3.4.7** to **3.4.8**.


<details>
  <summary>Changelog</summary>
  
  
   ### 3.4.8
   ```
   ------------------

Bugfixes
^^^^^^^^

* Fix DB renaming fixture for Multi-DB environment with SQLite (679)
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest-django
  - Changelog: https://pyup.io/changelogs/pytest-django/
  - Docs: https://pytest-django.readthedocs.io/
</details>





### Update [google-cloud-storage](https://pypi.org/project/google-cloud-storage) from **1.13.0** to **1.14.0**.


*The bot wasn't able to find a changelog for this release. [Got an idea?](https://github.com/pyupio/changelogs/issues/new)*

<details>
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  - Repo: https://github.com/GoogleCloudPlatform/google-cloud-python
</details>







Co-authored-by: pyup-bot <github-bot@pyup.io>
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