[GitHub] [beam] udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes
udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes URL: https://github.com/apache/beam/pull/11070#discussion_r395826290 ## File path: website/src/_posts/2020-03-06-python-typing.md ## @@ -0,0 +1,117 @@ +--- +layout: post +title: "Python SDK Typing Changes" +date: 2020-03-06 00:00:01 -0800 +excerpt_separator: +categories: blog python typing +authors: + - chadrik + - udim + +--- + + +TODO excerpt + + + +Python supports type annotations on functions (PEP 484). Static type checkers, +such as mypy, are used to verify adherence to these types. +For example: +```py +def f(v: int) -> int: + return v[0] +``` +Running mypy on the above code will give the error: +`Value of type "int" is not indexable`. + +We've recently made changes to Beam in 2 areas: + +Adding type hints throughout Beam. TODO expand + +Second, we've added support for Python 3 type annotations. This allows SDK +users to specify a DoFn's type hints in one place. +We've also expanded Beam's support of `typing` module types. + +For more background see: +[Ensuring Python Type Safety](https://beam.apache.org/documentation/sdks/python-type-safety/). + +# Beam Is Typed + +TODO Review comment: So, no immediate rush. We are also adjusting to WFH This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
[GitHub] [beam] udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes
udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes URL: https://github.com/apache/beam/pull/11070#discussion_r395824054 ## File path: website/src/_posts/2020-03-06-python-typing.md ## @@ -0,0 +1,117 @@ +--- +layout: post +title: "Python SDK Typing Changes" +date: 2020-03-06 00:00:01 -0800 +excerpt_separator: +categories: blog python typing +authors: + - chadrik + - udim + +--- + + +TODO excerpt + + + +Python supports type annotations on functions (PEP 484). Static type checkers, +such as mypy, are used to verify adherence to these types. +For example: +```py +def f(v: int) -> int: + return v[0] +``` +Running mypy on the above code will give the error: +`Value of type "int" is not indexable`. + +We've recently made changes to Beam in 2 areas: + +Adding type hints throughout Beam. TODO expand + +Second, we've added support for Python 3 type annotations. This allows SDK +users to specify a DoFn's type hints in one place. +We've also expanded Beam's support of `typing` module types. + +For more background see: +[Ensuring Python Type Safety](https://beam.apache.org/documentation/sdks/python-type-safety/). + +# Beam Is Typed + +TODO Review comment: The deadline is by the time 2.21 is released. That release is scheduled to be cut on Apr 8, and I estimate releasing it will take 2-6 weeks. So let's aim for Apr 22. This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
[GitHub] [beam] udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes
udim commented on a change in pull request #11070: [BEAM-8280] Blog post: Python typing changes URL: https://github.com/apache/beam/pull/11070#discussion_r395402443 ## File path: website/src/_posts/2020-03-06-python-typing.md ## @@ -0,0 +1,117 @@ +--- +layout: post +title: "Python SDK Typing Changes" +date: 2020-03-06 00:00:01 -0800 +excerpt_separator: +categories: blog python typing +authors: + - chadrik + - udim + +--- + + +TODO excerpt + + + +Python supports type annotations on functions (PEP 484). Static type checkers, +such as mypy, are used to verify adherence to these types. +For example: +```py +def f(v: int) -> int: + return v[0] +``` +Running mypy on the above code will give the error: +`Value of type "int" is not indexable`. + +We've recently made changes to Beam in 2 areas: + +Adding type hints throughout Beam. TODO expand + +Second, we've added support for Python 3 type annotations. This allows SDK +users to specify a DoFn's type hints in one place. +We've also expanded Beam's support of `typing` module types. + +For more background see: +[Ensuring Python Type Safety](https://beam.apache.org/documentation/sdks/python-type-safety/). + +# Beam Is Typed + +TODO Review comment: @chadrik LMK if you want to write about the new type hints, mypy checking, other stuff you've added related to types. This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
