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Change-Id: I625af65b3fb1815b1af17dc2ef47dd697fdc3fb1
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command run is "pyupgrade --py37-plus --keep-runtime-typing --keep-percent-format <files...>"
pyupgrade will change assert_ to assertTrue. That was reverted since assertTrue does not
exists in sqlalchemy fixtures
Change-Id: Ie1ed2675c7b11d893d78e028aad0d1576baebb55
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Change-Id: I5a241a70efba68bcea9819ddce6aebc25703e68d
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to simplify pyproject.toml change the remaining files
that aren't going to be typed on this first pass
(unless of course someone wants to type some of these)
to include # mypy: ignore-errors. for the moment, only a handful
of ORM modules are to have more type checking implemented.
It's important that ignore-errors is used and
not "# type: ignore", as in the latter case, mypy doesn't even
read the existing types in the file, which makes it impossible to
type any files that refer to those modules at all.
to simplify ongoing typing work use inline mypy config
for remaining files that are "done" for now, indicating the
level of type checking they currently have.
Change-Id: I98669c1a305c2f0adba85d10b5425541f3fe9533
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non-strict checking for mostly internal or semi-internal
code
Change-Id: Ib91b47f1a8ccc15e666b94bad1ce78c4ab15b0ec
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__future__.annotations mode allows us to use non-string
annotations for argument and return types in most cases,
but more importantly it removes a large amount of runtime
overhead that would be spent in evaluating the annotations.
Change-Id: I2f5b6126fe0019713fc50001be3627b664019ede
References: #6810
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large patch to get ORM / typing efforts started.
this is to support adding new test cases to mypy,
support dropping sqlalchemy2-stubs entirely from the
test suite, validate major ORM typing reorganization
to eliminate the need for the mypy plugin.
* New declarative approach which uses annotation
introspection, fixes: #7535
* Mapped[] is now at the base of all ORM constructs
that find themselves in classes, to support direct
typing without plugins
* Mypy plugin updated for new typing structures
* Mypy test suite broken out into "plugin" tests vs.
"plain" tests, and enhanced to better support test
structures where we assert that various objects are
introspected by the type checker as we expect.
as we go forward with typing, we will
add new use cases to "plain" where we can assert that
types are introspected as we expect.
* For typing support, users will be much more exposed to the
class names of things. Add these all to "sqlalchemy" import
space.
* Column(ForeignKey()) no longer needs to be `@declared_attr`
if the FK refers to a remote table
* composite() attributes mapped to a dataclass no longer
need to implement a `__composite_values__()` method
* with_variant() accepts multiple dialect names
Change-Id: I22797c0be73a8fbbd2d6f5e0c0b7258b17fe145d
Fixes: #7535
Fixes: #7551
References: #6810
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### Description
Found via `codespell -q 3 -L ba,crate,datas,froms,gord,hist,inh,nd,selectin,strat,ue`
Also added codespell to the pep8 tox env
### Checklist
This pull request is:
- [x] A documentation / typographical error fix
- Good to go, no issue or tests are needed
Closes: #7338
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/7338
Pull-request-sha: 0deac2219396bc0eba7da53eb3a80932edbf2dd7
Change-Id: Icd61db31c8dc655d4a39d8a304194804d08555fe
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<!-- Provide a general summary of your proposed changes in the Title field above -->
### Description
<!-- Describe your changes in detail -->
Black's `target-version` was still set to `['py27', 'py36']`. Set it to `[py37]` instead.
Also update Black and other pre-commit hooks and re-format with Black.
### Checklist
<!-- go over following points. check them with an `x` if they do apply, (they turn into clickable checkboxes once the PR is submitted, so no need to do everything at once)
-->
This pull request is:
- [ ] A documentation / typographical error fix
- Good to go, no issue or tests are needed
- [ ] A short code fix
- please include the issue number, and create an issue if none exists, which
must include a complete example of the issue. one line code fixes without an
issue and demonstration will not be accepted.
- Please include: `Fixes: #<issue number>` in the commit message
- please include tests. one line code fixes without tests will not be accepted.
- [ ] A new feature implementation
- please include the issue number, and create an issue if none exists, which must
include a complete example of how the feature would look.
- Please include: `Fixes: #<issue number>` in the commit message
- please include tests.
**Have a nice day!**
Closes: #7536
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/7536
Pull-request-sha: b3aedf5570d7e0ba6c354e5989835260d0591b08
Change-Id: I8be85636fd2c9449b07a8626050c8bd35bd119d5
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Fixed Mypy crash which would occur when using Mypy plugin against code
which made use of :class:`_orm.declared_attr` methods for non-mapped names
like ``__mapper_args__``, ``__table_args__``, or other dunder names, as the
plugin would try to interpret these as mapped attributes which would then
be later mis-handled. As part of this change, the decorated function is
still converted by the plugin into a generic assignment statement (e.g.
``__mapper_args__: Any``) so that the argument signature can continue to be
annotated in the same way one would for any other ``@classmethod`` without
Mypy complaining about the wrong argument type for a method that isn't
explicitly ``@classmethod``.
Fixes: #7321
Change-Id: I55656e867876677c5c55143449db371344be8600
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Fixed issue in mypy plugin where columns on a mixin would not be correctly
interpreted if the mapped class relied upon a ``__tablename__`` routine
that came from a superclass.
Fixes: #6937
Change-Id: I74aed4862d0545008ee67f781aaa794ab6866926
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A major refactor of the mypy plugin
Closes: #6764
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/6764
Pull-request-sha: 3e2295b2da7b57a6669f26db0df78f6409934184
Change-Id: I067d56dcfbc998ddd1b22a448f756859428b9e31
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Fixed issue in mypy plugin where class info for a custom declarative base
would not be handled correctly on a cached mypy pass, leading to an
AssertionError being raised.
Fixes: #6476
Change-Id: If78340673e6a4d16d8f7cf787ce3bdb02c8bd47b
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Change-Id: I09a3df5af2f2d4ee34d8d72c3dedc4f236df8eb1
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Change-Id: Id7f4e4a39e17c1b6ec3c754e2fc5c6ba4b437c38
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Applied a series of refactorings and fixes to accommodate for Mypy
"incremental" mode across multiple files, which previously was not taken
into account. In this mode the Mypy plugin has to accommodate Python
datatypes expressed in other files coming in with less information than
they have on a direct run.
Additionally, a new decorator :func:`_orm.declarative_mixin` is added,
which is necessary for the Mypy plugin to be able to definifitely identify
a Declarative mixin class that is otherwise not used inside a particular
Python file.
discussion:
With incremental / deserialized mypy runs, it appears
that when we look at a base class that comes from another file,
cls.info is set to a special undefined node
that matches CLASSDEF_NO_INFO, and we otherwise can't
touch it without crashing. Additionally, sometimes cls.defs.body
is present but empty.
However, it appears that both of these cases can be sidestepped,
first by doing a lookup() for the type name where we
get a SymbolTableNode that then has the TypeInfo we wanted
when we tried touching cls.info, and then however we got the
TypeInfo, if cls.defs.body is empty we can just look in the
names to get at the symbols for that class; we just can't
access AssignmentStmts, but that's fine because we just
need the information for classes we aren't actually type checking.
This work also revealed there's no easy way to detect a mixin
class so we just create a new decorator to mark that. will make
code look better in any case.
Fixes: #6147
Change-Id: Ia8fac8acfeec931d8f280491cffc5c6cb4a1204e
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Fixed issue in mypy plugin where newly added support for
:func:`_orm.as_declarative` needed to more fully add the
``DeclarativeMeta`` class to the mypy interpreter's state so that it does
not result in a name not found error; additionally improves how global
names are setup for the plugin including the ``Mapped`` name.
Introduces directory oriented testing as well, where a full
set of files will be copied, mypy runs, then zero or more patches
are applied and mypy is run again, to fully test incremental
behaviors.
Fixes: sqlalchemy/sqlalchemy2-stubs/#14
Change-Id: Ide785c07e19ba0694e8cf6f91560094ecb182016
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Rudimentary and experimental support for Mypy has been added in the form of
a new plugin, which itself depends on new typing stubs for SQLAlchemy. The
plugin allows declarative mappings in their standard form to both be
compatible with Mypy as well as to provide typing support for mapped
classes and instances.
Fixes: #4609
Change-Id: Ia035978c02ad3a5c0e5b3c6c30044dd5a3155170
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