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Change-Id: I625af65b3fb1815b1af17dc2ef47dd697fdc3fb1
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for the moment, abandoning using @overload with
relationship() and mapped_column(). The overloads
are very difficult to get working at all, and
the overloads that were there all wouldn't pass on
mypy. various techniques of getting them to
"work", meaning having right hand side dictate
what's legal on the left, have mixed success
and wont give consistent results; additionally,
it's legal to have Optional / non-optional
independent of nullable in any case for columns.
relationship cases are less ambiguous but mypy
was not going along with things.
we have a comprehensive system of allowing
left side annotations to drive the right side,
in the absense of explicit settings on the right.
so type-centric SQLAlchemy will be left-side
driven just like dataclasses, and the various flags
and switches on the right side will just not be
needed very much.
in other matters, one surprise, forgot to remove string support
from orm.join(A, B, "somename") or do deprecations
for it in 1.4. This is a really not-directly-used
structure barely
mentioned in the docs for many years, the example
shows a relationship being used, not a string, so
we will just change it to raise the usual error here.
Change-Id: Iefbbb8d34548b538023890ab8b7c9a5d9496ec6e
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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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Starting to set up practices and conventions to
get the library typed.
Key goals for typing are:
1. whole library can pass mypy without any strict
turned on.
2. we can incrementally turn on some strict flags on a per-package/
module basis, as here we turn on more strictness for sqlalchemy.util, exc,
and log
3. mypy ORM plugin tests work fully without sqlalchemy2-stubs
installed
4. public facing methods all have return types, major parameter
signatures filled in also
5. Foundational elements like util etc. are typed enough so that
we can use them in fully typed internals higher up the stack.
Conventions set up here:
1. we can use lots of config in setup.cfg to limit where mypy
is throwing errors and how detailed it should be in different
packages / modules. We can use this to push up gerrits
that will pass tests fully without everything being typed.
2. a new tox target pep484 is added. this links to a new jenkins
pep484 job that works across all projects (alembic, dogpile, etc.)
We've worked around some mypy bugs that will likely
be around for awhile, and also set up some core practices
for how to deal with certain things such as public_factory
modules (mypy won't accept a module from a callable at all,
so need to use simple type checking conditionals).
References: #6810
Change-Id: I80be58029896a29fd9f491aa3215422a8b705e12
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Change-Id: I49abf2607e0eb0623650efdf0091b1fb3db737ea
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Also replace http://pypi.python.org/pypi with https://pypi.org/project
Change-Id: I84b5005c39969a82140706472989f2a30b0c7685
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Change-Id: Ic5bb19ca8be3cb47c95a0d3315d84cb484bac47c
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Change-Id: I8db8752722f3ac7c410b39970224204caa9d4b72
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It's better, the majority of these changes look more readable to me.
also found some docstrings that had formatting / quoting issues.
Change-Id: I582a45fde3a5648b2f36bab96bad56881321899b
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Replaces a wide array of Sphinx-relative doc references
with an abbreviated absolute form now supported by
zzzeeksphinx.
Change-Id: I94bffcc3f37885ffdde6238767224296339698a2
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Change-Id: I08440dc25e40ea1ccea1778f6ee9e28a00808235
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- fix a few "seealso"s
- ComparableProprerty's "superseded in 0.7" becomes deprecated in 0.7
Backport to currently maintained doc versions 1.2, 1.1
Change-Id: Ib1fcb2df8673dbe5c4ffc47f3896a60d1dfcb4b2
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Change-Id: I6a71f4924d046cf306961c58dffccf21e9c03911
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Applied on top of a pure run of black -l 79 in
I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9, this set of changes
resolves all remaining flake8 conditions for those codes
we have enabled in setup.cfg.
Included are resolutions for all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.
Change-Id: I4f72d3ba1380dd601610ff80b8fb06a2aff8b0fe
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This is a straight reformat run using black as is, with no edits
applied at all.
The black run will format code consistently, however in
some cases that are prevalent in SQLAlchemy code it produces
too-long lines. The too-long lines will be resolved in the
following commit that will resolve all remaining flake8 issues
including shadowed builtins, long lines, import order, unused
imports, duplicate imports, and docstring issues.
Change-Id: I7eda77fed3d8e73df84b3651fd6cfcfe858d4dc9
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Change-Id: I3ef36bfd0cb0ba62b3123c8cf92370a43156cf8f
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Change-Id: I4e8c2aa8fe817bb2af8707410fa0201f938781de
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to get all flake8 passing
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the import structure of many core modules.
``sqlalchemy.schema`` and ``sqlalchemy.types``
remain in the top-level package, but are now just lists of names
that pull from within ``sqlalchemy.sql``. Their implementations
are now broken out among ``sqlalchemy.sql.type_api``, ``sqlalchemy.sql.sqltypes``,
``sqlalchemy.sql.schema`` and ``sqlalchemy.sql.ddl``, the last of which was
moved from ``sqlalchemy.engine``. ``sqlalchemy.sql.expression`` is also
a namespace now which pulls implementations mostly from ``sqlalchemy.sql.elements``,
``sqlalchemy.sql.selectable``, and ``sqlalchemy.sql.dml``.
Most of the "factory" functions
used to create SQL expression objects have been moved to classmethods
or constructors, which are exposed in ``sqlalchemy.sql.expression``
using a programmatic system. Care has been taken such that all the
original import namespaces remain intact and there should be no impact
on any existing applications. The rationale here was to break out these
very large modules into smaller ones, provide more manageable lists
of function names, to greatly reduce "import cycles" and clarify the
up-front importing of names, and to remove the need for redundant
functions and documentation throughout the expression package.
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- modify inspection system:
1. raise a new exception for any case where the inspection
context can't be returned. this supersedes the "not mapped"
errors.
2. don't configure mappers on a mapper inspection. this allows
the inspectors to be used during mapper config time. instead,
the mapper configures on "with_polymorphic_selectable" now,
which is needed for all queries
- add a bunch of new "is_XYZ" attributes to inspectors
- finish making the name change of "compile" -> "configure", for some reason
this was only done partially
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