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Mypy.readthedocs.io Onpage Report

 Updated on December 10 2023 17:05 PM

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mypy 1.7.1 documentation

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  • [H1] Welcome to mypy documentation!#
  • [H1] Indices and tables#
  • [H2] Contents#

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Anchor Type Juice
Getting started Internal Passing Juice
Type hints cheat sheet Internal Passing Juice
Using mypy with an existing codebase Internal Passing Juice
Built-in types Internal Passing Juice
Type inference and type annotations Internal Passing Juice
Kinds of types Internal Passing Juice
Class basics Internal Passing Juice
Annotation issues at runtime Internal Passing Juice
Protocols and structural subtyping Internal Passing Juice
Dynamically typed code Internal Passing Juice
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Generics Internal Passing Juice
More types Internal Passing Juice
Literal types and Enums Internal Passing Juice
TypedDict Internal Passing Juice
Final names, methods and classes Internal Passing Juice
Metaclasses Internal Passing Juice
Running mypy and managing imports Internal Passing Juice
The mypy command line Internal Passing Juice
The mypy configuration file Internal Passing Juice
Inline configuration Internal Passing Juice
Mypy daemon (mypy server) Internal Passing Juice
Using installed packages Internal Passing Juice
Extending and integrating mypy Internal Passing Juice
Automatic stub generation (stubgen) Internal Passing Juice
Automatic stub testing (stubtest) Internal Passing Juice
Common issues and solutions Internal Passing Juice
Supported Python features Internal Passing Juice
Error codes Internal Passing Juice
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Additional features Internal Passing Juice
Frequently Asked Questions Internal Passing Juice
GitHub External Passing Juice
Website External Passing Juice
latest Internal Passing Juice
stable Internal Passing Juice
pdf Internal Passing Juice
html Internal Passing Juice
epub Internal Passing Juice
Project Home Internal Passing Juice
Builds Internal Passing Juice
# Internal Passing Juice
# Internal Passing Juice
Installing and running mypy Internal Passing Juice
Dynamic vs static typing Internal Passing Juice
Strict mode and configuration Internal Passing Juice
More complex types Internal Passing Juice
Local type inference Internal Passing Juice
Types from libraries Internal Passing Juice
Next steps Internal Passing Juice
Variables Internal Passing Juice
Useful built-in types Internal Passing Juice
Functions Internal Passing Juice
Classes Internal Passing Juice
When you’re puzzled or when things are complicated Internal Passing Juice
Standard “duck types” Internal Passing Juice
Forward references Internal Passing Juice
Decorators Internal Passing Juice
Coroutines and asyncio Internal Passing Juice
Start small Internal Passing Juice
Run mypy consistently and prevent regressions Internal Passing Juice
Ignoring errors from certain modules Internal Passing Juice
Fixing errors related to imports Internal Passing Juice
Prioritise annotating widely imported modules Internal Passing Juice
Write annotations as you go Internal Passing Juice
Automate annotation of legacy code Internal Passing Juice
Introduce stricter options Internal Passing Juice
Speed up mypy runs Internal Passing Juice
Simple types Internal Passing Juice
Any type Internal Passing Juice
Generic types Internal Passing Juice
Type inference Internal Passing Juice
Explicit types for variables Internal Passing Juice
Explicit types for collections Internal Passing Juice
Compatibility of container types Internal Passing Juice
Context in type inference Internal Passing Juice
Silencing type errors Internal Passing Juice
Class types Internal Passing Juice
The Any type Internal Passing Juice
Tuple types Internal Passing Juice
Callable types (and lambdas) Internal Passing Juice
Union types Internal Passing Juice
Optional types and the None type Internal Passing Juice
Disabling strict optional checking Internal Passing Juice
Type aliases Internal Passing Juice
Named tuples Internal Passing Juice
The type of class objects Internal Passing Juice
Generators Internal Passing Juice
Instance and class attributes Internal Passing Juice
Annotating __init__ methods Internal Passing Juice
Class attribute annotations Internal Passing Juice
Overriding statically typed methods Internal Passing Juice
Abstract base classes and multiple inheritance Internal Passing Juice
Slots Internal Passing Juice
String literal types and type comments Internal Passing Juice
Future annotations import (PEP 563) Internal Passing Juice
typing.TYPE_CHECKING Internal Passing Juice
Class name forward references Internal Passing Juice
Import cycles Internal Passing Juice
Using classes that are generic in stubs but not at runtime Internal Passing Juice
Using types defined in stubs but not at runtime Internal Passing Juice
Using generic builtins Internal Passing Juice
Using X | Y syntax for Unions Internal Passing Juice
Using new additions to the typing module Internal Passing Juice
Predefined protocols Internal Passing Juice
Simple user-defined protocols Internal Passing Juice
Defining subprotocols and subclassing protocols Internal Passing Juice
Invariance of protocol attributes Internal Passing Juice
Recursive protocols Internal Passing Juice
Using isinstance() with protocols Internal Passing Juice
Callback protocols Internal Passing Juice
Predefined protocol reference Internal Passing Juice
Operations on Any values Internal Passing Juice
Any vs. object Internal Passing Juice
Type narrowing expressions Internal Passing Juice
Casts Internal Passing Juice
User-Defined Type Guards Internal Passing Juice
Limitations Internal Passing Juice
Creating a stub Internal Passing Juice
Stub file syntax Internal Passing Juice
Using stub file syntax at runtime Internal Passing Juice
Defining generic classes Internal Passing Juice
Defining subclasses of generic classes Internal Passing Juice
Generic functions Internal Passing Juice
Generic methods and generic self Internal Passing Juice
Automatic self types using typing.Self Internal Passing Juice
Variance of generic types Internal Passing Juice
Type variables with upper bounds Internal Passing Juice
Type variables with value restriction Internal Passing Juice
Declaring decorators Internal Passing Juice
Generic protocols Internal Passing Juice
Generic type aliases Internal Passing Juice
Generic class internals Internal Passing Juice
The NoReturn type Internal Passing Juice
NewTypes Internal Passing Juice
Function overloading Internal Passing Juice
Advanced uses of self-types Internal Passing Juice
Typing async/await Internal Passing Juice
Literal types Internal Passing Juice
Enums Internal Passing Juice
Totality Internal Passing Juice
Supported operations Internal Passing Juice
Class-based syntax Internal Passing Juice
Mixing required and non-required items Internal Passing Juice
Unions of TypedDicts Internal Passing Juice
Final names Internal Passing Juice
Final methods Internal Passing Juice
Final classes Internal Passing Juice
Defining a metaclass Internal Passing Juice
Metaclass usage example Internal Passing Juice
Gotchas and limitations of metaclass support Internal Passing Juice
Specifying code to be checked Internal Passing Juice
Reading a list of files from a file Internal Passing Juice
Mapping file paths to modules Internal Passing Juice
How mypy handles imports Internal Passing Juice
Missing imports Internal Passing Juice
How imports are found Internal Passing Juice
Following imports Internal Passing Juice
Specifying what to type check Internal Passing Juice
Optional arguments Internal Passing Juice
Config file Internal Passing Juice
Import discovery Internal Passing Juice
Platform configuration Internal Passing Juice
Disallow dynamic typing Internal Passing Juice
Untyped definitions and calls Internal Passing Juice
None and Optional handling Internal Passing Juice
Configuring warnings Internal Passing Juice
Miscellaneous strictness flags Internal Passing Juice
Configuring error messages Internal Passing Juice
Incremental mode Internal Passing Juice
Advanced options Internal Passing Juice
Report generation Internal Passing Juice
Enabling incomplete/experimental features Internal Passing Juice
Miscellaneous Internal Passing Juice
Config file format Internal Passing Juice
Per-module and global options Internal Passing Juice
Inverting option values Internal Passing Juice
Import discovery Internal Passing Juice
Platform configuration Internal Passing Juice
Disallow dynamic typing Internal Passing Juice
Untyped definitions and calls Internal Passing Juice
None and Optional handling Internal Passing Juice
Configuring warnings Internal Passing Juice
Suppressing errors Internal Passing Juice
Miscellaneous strictness flags Internal Passing Juice
Configuring error messages Internal Passing Juice
Incremental mode Internal Passing Juice
Advanced options Internal Passing Juice
Report generation Internal Passing Juice
Miscellaneous Internal Passing Juice
Using a pyproject.toml file Internal Passing Juice
Configuration comment format Internal Passing Juice
Basic usage Internal Passing Juice
Daemon client commands Internal Passing Juice
Additional daemon flags Internal Passing Juice
Static inference of annotations Internal Passing Juice
Statically inspect expressions Internal Passing Juice
Using installed packages with mypy (PEP 561) Internal Passing Juice
Creating PEP 561 compatible packages Internal Passing Juice
Integrating mypy into another Python application Internal Passing Juice
Extending mypy using plugins Internal Passing Juice
Configuring mypy to use plugins Internal Passing Juice
High-level overview Internal Passing Juice
Current list of plugin hooks Internal Passing Juice
Useful tools Internal Passing Juice
Specifying what to stub Internal Passing Juice
Specifying how to generate stubs Internal Passing Juice
Additional flags Internal Passing Juice
What stubtest does and does not do Internal Passing Juice
Example Internal Passing Juice
Usage Internal Passing Juice
No errors reported for obviously wrong code Internal Passing Juice
Spurious errors and locally silencing the checker Internal Passing Juice
Ignoring a whole file Internal Passing Juice
Issues with code at runtime Internal Passing Juice
Mypy runs are slow Internal Passing Juice
Types of empty collections Internal Passing Juice
Redefinitions with incompatible types Internal Passing Juice
Invariance vs covariance Internal Passing Juice
Declaring a supertype as variable type Internal Passing Juice
Complex type tests Internal Passing Juice
Python version and system platform checks Internal Passing Juice
Displaying the type of an expression Internal Passing Juice
Silencing linters Internal Passing Juice
Covariant subtyping of mutable protocol members is rejected Internal Passing Juice
Dealing with conflicting names Internal Passing Juice
Using a development mypy build Internal Passing Juice
Variables vs type aliases Internal Passing Juice
Incompatible overrides Internal Passing Juice
Unreachable code Internal Passing Juice
Narrowing and inner functions Internal Passing Juice
Runtime definition of methods and functions Internal Passing Juice
Displaying error codes Internal Passing Juice
Silencing errors based on error codes Internal Passing Juice
Enabling/disabling specific error codes globally Internal Passing Juice
Per-module enabling/disabling error codes Internal Passing Juice
Subcodes of error codes Internal Passing Juice
Check that attribute exists [attr-defined] Internal Passing Juice
Check that attribute exists in each union item [union-attr] Internal Passing Juice
Check that name is defined [name-defined] Internal Passing Juice
Check that a variable is not used before it’s defined [used-before-def] Internal Passing Juice
Check arguments in calls [call-arg] Internal Passing Juice
Check argument types [arg-type] Internal Passing Juice
Check calls to overloaded functions [call-overload] Internal Passing Juice
Check validity of types [valid-type] Internal Passing Juice
Require annotation if variable type is unclear [var-annotated] Internal Passing Juice
Check validity of overrides [override] Internal Passing Juice
Check that function returns a value [return] Internal Passing Juice
Check that functions don’t have empty bodies outside stubs [empty-body] Internal Passing Juice
Check that return value is compatible [return-value] Internal Passing Juice
Check types in assignment statement [assignment] Internal Passing Juice
Check that assignment target is not a method [method-assign] Internal Passing Juice
Check type variable values [type-var] Internal Passing Juice
Check uses of various operators [operator] Internal Passing Juice
Check indexing operations [index] Internal Passing Juice
Check list items [list-item] Internal Passing Juice
Check dict items [dict-item] Internal Passing Juice
Check TypedDict items [typeddict-item] Internal Passing Juice
Check TypedDict Keys [typeddict-unknown-key] Internal Passing Juice
Check that type of target is known [has-type] Internal Passing Juice
Check for an issue with imports [import] Internal Passing Juice
Check that import target can be found [import-not-found] Internal Passing Juice
Check that import target can be found [import-untyped] Internal Passing Juice
Check that each name is defined once [no-redef] Internal Passing Juice
Check that called function returns a value [func-returns-value] Internal Passing Juice
Check instantiation of abstract classes [abstract] Internal Passing Juice
Safe handling of abstract type object types [type-abstract] Internal Passing Juice
Check that call to an abstract method via super is valid [safe-super] Internal Passing Juice
Check the target of NewType [valid-newtype] Internal Passing Juice
Check the return type of __exit__ [exit-return] Internal Passing Juice
Check that naming is consistent [name-match] Internal Passing Juice
Check that literal is used where expected [literal-required] Internal Passing Juice
Check that overloaded functions have an implementation [no-overload-impl] Internal Passing Juice
Check that coroutine return value is used [unused-coroutine] Internal Passing Juice
Warn about top level await expressions [top-level-await] Internal Passing Juice
Warn about await expressions used outside of coroutines [await-not-async] Internal Passing Juice
Check types in assert_type [assert-type] Internal Passing Juice
Check that function isn’t used in boolean context [truthy-function] Internal Passing Juice
Check that string formatting/interpolation is type-safe [str-format] Internal Passing Juice
Check for implicit bytes coercions [str-bytes-safe] Internal Passing Juice
Check that overloaded functions don’t overlap [overload-overlap] Internal Passing Juice
Notify about an annotation in an unchecked function [annotation-unchecked] Internal Passing Juice
Report syntax errors [syntax] Internal Passing Juice
Miscellaneous checks [misc] Internal Passing Juice
Check that type arguments exist [type-arg] Internal Passing Juice
Check that every function has an annotation [no-untyped-def] Internal Passing Juice
Check that cast is not redundant [redundant-cast] Internal Passing Juice
Check that methods do not have redundant Self annotations [redundant-self] Internal Passing Juice
Check that comparisons are overlapping [comparison-overlap] Internal Passing Juice
Check that no untyped functions are called [no-untyped-call] Internal Passing Juice
Check that function does not return Any value [no-any-return] Internal Passing Juice
Check that types have no Any components due to missing imports [no-any-unimported] Internal Passing Juice
Check that statement or expression is unreachable [unreachable] Internal Passing Juice
Check that expression is redundant [redundant-expr] Internal Passing Juice
Warn about variables that are defined only in some execution paths [possibly-undefined] Internal Passing Juice
Check that expression is not implicitly true in boolean context [truthy-bool] Internal Passing Juice
Check that iterable is not implicitly true in boolean context [truthy-iterable] Internal Passing Juice
Check that awaitable return value is used [unused-awaitable] Internal Passing Juice
Dataclasses Internal Passing Juice
Data Class Transforms Internal Passing Juice
The attrs package Internal Passing Juice
Using a remote cache to speed up mypy runs Internal Passing Juice
Extended Callable types Internal Passing Juice
Why have both dynamic and static typing? Internal Passing Juice
Would my project benefit from static typing? Internal Passing Juice
Can I use mypy to type check my existing Python code? Internal Passing Juice
Will static typing make my programs run faster? Internal Passing Juice
Is mypy free? Internal Passing Juice
Can I use duck typing with mypy? Internal Passing Juice
I like Python and I have no need for static typing Internal Passing Juice
How are mypy programs different from normal Python? Internal Passing Juice
How is mypy different from Cython? Internal Passing Juice
Does it run on PyPy? Internal Passing Juice
Mypy is a cool project. Can I help? Internal Passing Juice
# Internal Passing Juice
Sphinx External Passing Juice
@pradyunsg External Passing Juice
Furo External Passing Juice
Welcome to mypy documentation! Internal Passing Juice
Related: myrecruit.co.za, myrocketcareer.com and mythical.com

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