nptyping | 💡 Type hints for Numpy and Pandas | Data Manipulation library
kandi X-RAY | nptyping Summary
kandi X-RAY | nptyping Summary
Type hints for Numpy!.
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Top functions reviewed by kandi - BETA
- Get a dtype from a dtype
- Check type name
- Return the list of known types
- Checks the type names in the structure
- Return the shape and dtype of an item
- Get the shape and dtype from a tuple
- Check the item
- Get the shape of the given dtype
- Format context
- Sort tasks
- Black tasks
- Autoflake tests
- Prepare additional values for the given item
- Extract dimensions from a shape expression
- Removes labels from a list
- Install pip dependencies
- Returns the installed python versions
- Unittest tests
- Destroy the virtual environment
- Update the constraints txt file
- Print coverage
- Creates a virtual environment
- Install Slackware dependencies
- Tests documentation
nptyping Key Features
nptyping Examples and Code Snippets
Community Discussions
Trending Discussions on nptyping
QUESTION
I try to use numpy with nptyping
's Array
to do my typehinting.
I tried the following:
...ANSWER
Answered 2020-Jan-14 at 08:10nptyping
is currently useless for static analysis. Quoting a post by the library's developer on its issue tracker,
mypy
is just not supported bynptyping
(yet)
I wouldn't put much hope in that "yet". NumPy's dtype and shape handling is very hard to fit into the typing
/mypy
static type model, and nptyping
's own design decisions are a poor fit for NumPy itself. For example, it doesn't look like the dev ever considered arrays that aren't 2D, so Array[str, 3]
represents a 2D array with 3 rows and unspecified columns instead of a 3-element 1D array. All the implementation is in terms of rows and columns, too.
As far as I can tell, the only real functionality nptyping
has is isinstance
checks, and even that's buggy.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install nptyping
You can use nptyping like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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