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Welcome to the Bazel/Python SIG. This group is for people who use Bazel to build/test/package Python, or would like to. Topics include design reviews, announcements (of tools, samples, etc.) and tips/how-tos.

If you're new to Bazel, get started at https://bazel.build, or join the general discussion at https://groups.google.com/forum/#!forum/bazel-discuss

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sha...@gmail.com, Marian Dvorsky4

1/14/20

support METADATA 2.1 in wheels instead of metadata.json

we wrote our own rules to fix this issue https://github.com/ali5h/rules_pip On Wednesday, July 24,

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support METADATA 2.1 in wheels instead of metadata.json

we wrote our own rules to fix this issue https://github.com/ali5h/rules_pip On Wednesday, July 24,

1/14/20

Andrew Chronister, … Jon Brandvein5

7/8/19

Story for hermetic Python builds?

I think there's two distinct problems discussed in this thread: 1) building a deployable artifact

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Story for hermetic Python builds?

I think there's two distinct problems discussed in this thread: 1) building a deployable artifact

7/8/19

6/17/19

PSA: If you're having Python 2/3 errors in Bazel 0.27...

Bazel 0.27 flips on --incompatible_use_python_toolchains by default. This has two main benefits: 1.

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PSA: If you're having Python 2/3 errors in Bazel 0.27...

Bazel 0.27 flips on --incompatible_use_python_toolchains by default. This has two main benefits: 1.

6/17/19

Jon Brandvein, Nicolas Lopez3

4/5/19

Python changes in Bazel 0.25

Responded in that issue. The problem is the host config doesn't support choosing the Python

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Python changes in Bazel 0.25

Responded in that issue. The problem is the host config doesn't support choosing the Python

4/5/19

3/20/19

Using Bazel with a Python project

Hi Jon, I recently created https://github.com/bazelbuild/bazel-bench, a Python project to benchmark

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Using Bazel with a Python project

Hi Jon, I recently created https://github.com/bazelbuild/bazel-bench, a Python project to benchmark

3/20/19

2/6/19

Upcoming native-Python-rule changes to try out in Bazel 0.23

I wanted to highlight some new incompatible changes in Bazel that will be available for preview (--

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Upcoming native-Python-rule changes to try out in Bazel 0.23

I wanted to highlight some new incompatible changes in Bazel that will be available for preview (--

2/6/19

Matthieu Poncin, … Austin Schuh6

1/21/19

Pip requirements and remote caching

Thank you for the suggestions! After going through all of our requirements, I found 3 types of issues

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Pip requirements and remote caching

Thank you for the suggestions! After going through all of our requirements, I found 3 types of issues

1/21/19

1/8/19

Collisions of Bazel-defined libraries on PYTHONPATH

The other day we discussed collisions between libraries defined as part of the Bazel build and

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Collisions of Bazel-defined libraries on PYTHONPATH

The other day we discussed collisions between libraries defined as part of the Bazel build and

1/8/19

Jon Brandvein, … markus....@ecosia.org5

1/8/19

Precedence of libraries on PYTHONPATH

We'll resolve this by merging the PR as soon as the tests pass. On Monday, January 7, 2019 at 2:

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Precedence of libraries on PYTHONPATH

We'll resolve this by merging the PR as soon as the tests pass. On Monday, January 7, 2019 at 2:

1/8/19

Maxwell Ballenger, Lukács T. Berki3

1/4/19

Python Roadmap Progress

On Thu, Dec 27, 2018 at 8:49 PM Maxwell Ballenger <balle...@gmail.com> wrote: Well, I should

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Python Roadmap Progress

On Thu, Dec 27, 2018 at 8:49 PM Maxwell Ballenger <balle...@gmail.com> wrote: Well, I should

1/4/19

kumuthi...@gmail.com, Paweł Stradomski2

12/3/18

How to allow bazel python tests to use user site packages?

Note that would be non-hermetic, so potentially a bad idea. But, anyway: I'm not sure about

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How to allow bazel python tests to use user site packages?

Note that would be non-hermetic, so potentially a bad idea. But, anyway: I'm not sure about

12/3/18

Jon Brandvein, … Jordan Adler7

11/20/18

A post-BazelCon recap

FYI CI is fixed. Note that in Bazel 0.20 (to be released very soon) you'll need to update to

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A post-BazelCon recap

FYI CI is fixed. Note that in Bazel 0.20 (to be released very soon) you'll need to update to

11/20/18

Jon Brandvein, … cmoore5

11/13/18

[Design Doc] Customizing the Python Stub Template

Thanks for sharing your use case. I take it you're not strongly opposed to the customization

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[Design Doc] Customizing the Python Stub Template

Thanks for sharing your use case. I take it you're not strongly opposed to the customization

11/13/18

Jon Brandvein, ai...@google.com2

11/5/18

[Design Doc] Controlling the Python 2/3 mode

ptr to doc: https://github.com/bazelbuild/rules_python/blob/master/proposals/2018-10-25-selecting-

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[Design Doc] Controlling the Python 2/3 mode

ptr to doc: https://github.com/bazelbuild/rules_python/blob/master/proposals/2018-10-25-selecting-

11/5/18

hai...@grakn.ai, … sabi...@gmail.com3

10/21/18

Bazel, Protobuf, gRPC, and Python example?

HI it seems pleasure to see you . currently i am working on Tensorflow detection Api . i want to

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Bazel, Protobuf, gRPC, and Python example?

HI it seems pleasure to see you . currently i am working on Tensorflow detection Api . i want to

10/21/18

Christian Verkerk, … hai...@grakn.ai11

9/29/18

Bazel/Python Slack Group

We have a new slack inviter for this Bazel Community Slack now: https://bazel-slackin.herokuapp.com

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Bazel/Python Slack Group

We have a new slack inviter for this Bazel Community Slack now: https://bazel-slackin.herokuapp.com

9/29/18

Lukács T. Berki, … Alex Thompson6

9/21/18

Future improvements to our Python rules

Thanks so much for the update Jon. I'll keep an eye on the "rules > python" category

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Future improvements to our Python rules

Thanks so much for the update Jon. I'll keep an eye on the "rules > python" category

9/21/18

sbag...@grailbio.com, … Jon Brandvein7

9/14/18

Proposal to expose "py_interpreter" attribute

To respond to the original suggestion: I've been looking into py2 vs 3 issues as a first step

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Proposal to expose "py_interpreter" attribute

To respond to the original suggestion: I've been looking into py2 vs 3 issues as a first step

9/14/18

hai...@grakn.ai, Jon Brandvein3

9/14/18

Deps attribute of py_library rule does not have mandatory providers: 'py'

Thank you so much, Jon! That was definitely the problem. It turns out, in the `py_proto_library rule`

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Deps attribute of py_library rule does not have mandatory providers: 'py'

Thank you so much, Jon! That was definitely the problem. It turns out, in the `py_proto_library rule`

9/14/18

adam.d...@shield.ai, … Jon Brandvein3

8/30/18

Python 2 or 3 in the same workspace

As best as I can tell, the ability to use multiple Python versions in a single build was removed

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Python 2 or 3 in the same workspace

As best as I can tell, the ability to use multiple Python versions in a single build was removed

8/30/18

Rudi Chiarito, Jon Brandvein4

8/20/18

setup.py depending on another wheel

Thanks for experimenting with bar's dependencies and discovering it's an underlying issue. If

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setup.py depending on another wheel

Thanks for experimenting with bar's dependencies and discovering it's an underlying issue. If

8/20/18

Naresh R, Evan Jones2

5/18/18

Python projects using Bazel

The most complicated one I know of is Tensorflow. See the BUILD files in: https://github.com/

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Python projects using Bazel

The most complicated one I know of is Tensorflow. See the BUILD files in: https://github.com/

5/18/18

P. Oscar Boykin, Dave Stanke3

4/4/18

could nix have a role to play in python support

Oscar: really interesting idea. Thanks for bubbling this up. What do others think? On Thursday, March

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could nix have a role to play in python support

Oscar: really interesting idea. Thanks for bubbling this up. What do others think? On Thursday, March

4/4/18

Charlie White, Evan Jones2

3/30/18

Adding Python packages to a Docker image

If you are using the pip_import rules, be warned that they are somewhat incomplete and have some

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Adding Python packages to a Docker image

If you are using the pip_import rules, be warned that they are somewhat incomplete and have some

3/30/18

3/28/18

Fwd: Docker image: adding files to two different locations

I have added the Python Rules to my workspace and have configured it per README so it loads my

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Fwd: Docker image: adding files to two different locations

I have added the Python Rules to my workspace and have configured it per README so it loads my

3/28/18

Lukács T. Berki, … P. Oscar Boykin10

3/26/18

The failing test //tools:par_test in rules_python

Well, I can see two approaches that would work: Mandate that .par files can only be checked in by

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The failing test //tools:par_test in rules_python

Well, I can see two approaches that would work: Mandate that .par files can only be checked in by

3/26/18

3/23/18

Re: running pytest

+bazel-sig-python On Thu, Mar 22, 2018 at 4:34 PM, Charlie White <cha...@gmail.com> wrote: I

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Re: running pytest

+bazel-sig-python On Thu, Mar 22, 2018 at 4:34 PM, Charlie White <cha...@gmail.com> wrote: I

3/23/18

Lukács T. Berki, … Dmitry Lomov19

3/7/18

Representing external dependences in the brave new world of WORKSPACE files

On Wed, 7 Mar 2018 at 15:32, Dmitry Lomov <dsl...@google.com> wrote: I like the direction of

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Representing external dependences in the brave new world of WORKSPACE files

On Wed, 7 Mar 2018 at 15:32, Dmitry Lomov <dsl...@google.com> wrote: I like the direction of

3/7/18

3/6/18

Re: What's the best way to use bazel for Python

Hi Konstantin, I believe this is the current way to do it, although it is against the hermeticity/

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Re: What's the best way to use bazel for Python

Hi Konstantin, I believe this is the current way to do it, although it is against the hermeticity/

3/6/18

Lukács T. Berki, … Chad Moore12

2/28/18

Expressing dependencies on PyPI

On Tue, 20 Feb 2018 at 17:23, Chad Moore <cmo...@uber.com> wrote: I need an internal index for

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Expressing dependencies on PyPI

On Tue, 20 Feb 2018 at 17:23, Chad Moore <cmo...@uber.com> wrote: I need an internal index for

2/28/18

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