hey folks! i just added a short blurb about the

--loop

flag to the docs. if you’re not using it, i’d highly recommend giving it a try!: https://www.pantsbuild.org/docs/goals#running-goals

Is there a way to add more complex `entry_point`s? For example with Gunicorn or alembic, I wish to not run them in code. Like the

pex -c

way.

Not sure what gives, but if I have a

pex_binary(entry_point="main.py")

but no

python_library()

I get this error when running the pex:

ImportError: Error while finding module specification for 'helloworld.main' (ModuleNotFoundError: No module named 'helloworld')

Adding the python_library target solves it, but that may not be the most obvious thing, given the error message..

Before, on Pants v1, we had different language plugins. What's the recommendation for multi-language projects now? On my use case, I have python (mainly) and js projects. Ideally, should I create a plugin on my own?

There's some knowledge that I don't have about pex, I guess, but I don't know what it is. So, I have different pex files, one of them is called

a.pex

and the other is

b.pex

. Those don't have any related project dependency between themselves (to be sure I've extracted and checked the files inside both of them). The thing is that Pydantic checks if you have the same validation functions being used, to force you to not duplicate code. So I have this error:

pydantic.errors.ConfigError: duplicate validator function "a.config.Settings.mongo_connection"; if this is intended, set `allow_reuse=True`

I have a

mongo_connection

validator on both

a.pex

and

b.pex

. Which I agree is duplicated, and I should add as a dependency for both of them, but I'm migrating from a polyrepo setup, so I'll probably have many of those. Anyway, my question is: how

a.pex

is able to see

b

?

I’ve got a pytest lockfile question… seems like it fails to generate lockfile for me when I have

interpreter_constraints = [">=3.8.*"]

in my

pants.toml

. [SOLVED]

Hello! One of the main feedback from the Community Survey y'all helped with (thank you!) was how BUILD files continue to be a barrier to adoption. Even w/ dep inference and

./pants tailor

, there's still too much boilerplate and it's particularly hard to change metadata for a couple files because you have add new targets and update the

sources

field for old ones. Not intuitive / a common gotcha, and lots of boilerplate We agree! We've wanted to solve for a year, and I think this proposal would do it without introducing any breaking changes. https://docs.google.com/document/d/1bcQRJazx6ODKc0PZRUgPx_bqHc6XurpBawTMD2zhtAk/edit# Feedback welcomed!

happy tuesday!: another bump for https://pantsbuild.slack.com/archives/C046T6T9U/p1629839552346400!

I'm having trouble getting my own pypi repo to work. I've set up a GCP PyPi-like simple repo and I can install packages from it fine one the command line via

pip install

. Specifically

pip install pyrealsense2==2.49.0

works but if I put that in my

constraints.txt

Pants can't install it. I re-ran the command pants was running and removed CLI options to get it down to the minimum:

/Users/oliverdain/.cache/pants/named_caches/pex_root/venvs/ed22d73f2adcc11d2242086e3c714a5181886e41/ea52facb9baa3bab8b4e9c79c1aa16d07c3e12e5/pex --disable-pip-version-check --no-python-version-warning --exists-action a --isolated -q --cache-dir /Users/oliverdain/.cache/pants/named_caches/pex_root --log /private/var/folders/tb/5hcfs_nx5g72yt8wz8c42_4w0000gn/T/process-executionZcFGYp/.tmp/tmpfchex0j2/pip.log download --dest /private/var/folders/tb/5hcfs_nx5g72yt8wz8c42_4w0000gn/T/process-executionZcFGYp/.tmp/tmp9bliehja/Library.Frameworks.Python.framework.Versions.3.7.bin.python3.7   pyrealsense2==2.49.0+companion   --index-url <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple>

Note that in the above I'm not using my

constraints.txt

but instead directly passing the package version I need. I get this error:

2021-09-07T09:38:09,804 <https://us-central1-python.pkg.dev:443> "GET /infrastructure-314723/python-deps/simple/pyrealsense2/ HTTP/1.1" 200 1028
2021-09-07T09:38:09,806 Updating cache with response from "<https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple/pyrealsense2/>"
2021-09-07T09:38:09,834   Found link <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/pyrealsense2/pyrealsense2-2.47.0-cp37-cp37m-macosx_10_15_x86_64.whl> (from <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple/pyrealsense2/>), version: 2.47.0
2021-09-07T09:38:09,835   Found link <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/pyrealsense2/pyrealsense2-2.47.0.3313-cp37-cp37m-macosx_10_15_x86_64.whl> (from <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple/pyrealsense2/>), version: 2.47.0.3313
2021-09-07T09:38:09,835   Skipping link: none of the wheel's tags match: cp37-cp37m-macosx_11_0_x86_64: <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/pyrealsense2/pyrealsense2-2.49.0%2Bcompanion-cp37-cp37m-macosx_11_0_x86_64.whl> (from <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple/pyrealsense2/>)
2021-09-07T09:38:09,836   Skipping link: none of the wheel's tags match: cp37-cp37m-macosx_11_0_x86_64: <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/pyrealsense2/pyrealsense2-2.49.0-cp37-cp37m-macosx_11_0_x86_64.whl> (from <https://us-central1-python.pkg.dev/infrastructure-314723/python-deps/simple/pyrealsense2/>)
2021-09-07T09:38:09,836 Given no hashes to check 0 links for project 'pyrealsense2': discarding no candidates
2021-09-07T09:38:09,836 ERROR: Could not find a version that satisfies the requirement pyrealsense2==2.49.0+companion

It sure looks like that package has the right tags so I don't understand the

none of the wheel's tags match

errors. Any thoughts?

hey folks! the next stable releases of

2.6.x

and

2.7.x

are close: if you have time to try out the release candidates and help to validate that they work for you, it would help to make the stable releases even better!: https://pantsbuild.slack.com/archives/C18RRR4JK/p1630862237010700

From the department of "missing something obvious" ... I'm using pants 2.5 and trying to do requirements from a requirements.txt file with at `--extra-index-url`; I'd thought that was all that was necessary with the switch to pex 2.0, and I can successfully

pip install -r

that requirements.txt, but pants can't find the library that requires the extra url when I try tests. Am I missing something terribly obvious?

Quick question, has anyone here used poetry with a custom pypi registry and self-signed certs successfully? (for using as a source, not publish) Looks like it ought to work, as there’s configuration for it, but I keep getting SSL errors (however setting

REQUESTS_CA_BUNDLE

solves it, but is not a workable approach, since that breaks for

pants

) I see there’s a ton of open issues wrgt certificates in the poetry repo already, so there’s clearly issues in the area.. If not, I’ll keep investigating…. [poetry PRs submitted]

Hi folks! Please consider "starring" the Pants project on GitHub if you haven't already: https://github.com/pantsbuild/pants !

Hi folks. Wondering if anyone has tried to parallelize tests in buildkite? I'm getting weird coverage report failures. I'm planning the tests by filtering for all the test targets and

split -l $block_size

. I suspect that I need to toposort and dedupe test targets?

Does anyone have a shortcut for running

./pants test

but just the tests in & under the current working directory?

I have non-python files (templates to send emails). Currently they are on the MANIFEST.in and I generate the wheel with them. Now I'm building our monorepo, so... Can I include those files into the pex binary? Having them outside is not an issue, fwiw.

https://twitter.com/pantsbuild/status/1435719628848779268 Yay, @NGrisafi is an official Pants contributor! Along with sharing crucial feedback to maintainers about several topics, incl incremental adoption, Nick has also contributed docs improvements, including modernizing plugin docs. More: https://t.co/Dz2UPo3K58 Thank you, Nick! 🙌 Twitter

https://twitter.com/pantsbuild/status/1435723708627398660 For 2yrs @rcuza has been a contributor, so we're proud to recognize him with official Contributor status now! Among many things, Raúl has been really active in helping out folks on Slack. He’s a big reason the community feels so welcoming and supportive.💛 https://t.co/Dz2UPo3K58 Twitter

Bumping this: https://pantsbuild.slack.com/archives/C046T6T9U/p1631050951270300

https://twitter.com/pantsbuild/status/1435762270559145989 Here’s two easy-peasy things you can do to help: star us on GitHub https://github.com/pantsbuild/pants and tell a peer what you like about Pants. Thanks for helping the project grow, year after year! Twitter

https://twitter.com/benjy/status/1435764712696844292 Pants Build retweeted: Looking up at the stars, I know quite well That, for all they care, I can go to... Nevertheless, please give us a… https://twitter.com/i/web/status/1435764712696844292 Twitter Here’s two easy-peasy things you can do to help: star us on GitHub https://github.com/pantsbuild/pants and tell a peer what you… https://twitter.com/i/web/status/1435762270559145989 Twitter

Having an interesting issue when importing

dataclasses

. Using

2.8.0.dev0

(trying to use the GCP stuff!) and current python version is 3.6.10. I have a requirements file with this specified:

dataclasses==0.8; python_version < '3.7'

When I import as

import dataclasses

the dependency is not included. But when I import as

from dataclasses import asdict

, I'm able to pull in the dependency. Is this a bug, or some quirk that I just missed in the docs?

https://twitter.com/sourcegraph/status/1435763393189789700 Pants Build retweeted: Do you know someone that is actively doing development today, has a cool dev environment? Or maybe a good workflow?… https://twitter.com/i/web/status/1435763393189789700 Twitter

https://twitter.com/pantsbuild/status/1436009347038031878 Which is why Pants 2 has first-class Python support. 🐍 More languages coming very soon. Exciting! Twitter A recent study revealed that #Python was the top #programming language of 2021. #python #data Read our full story… https://twitter.com/i/web/status/1435583698888429569 Twitter

https://twitter.com/pantsbuild/status/1436065033264504836 Brand new addition to the docs: Who Uses Pants page https://www.pantsbuild.org/v2.8/docs/who-uses-pants Get included by opening a pull request at https://t.co/clsnCdXLOL Twitter

I noticed that even though we have the experimental terraform backend enabled in our repo, no terraform stuff shows up when running (for example)

./pants help subsystems

this repos in the pants repo (if the TF backend is enabled), any idea what I am missing?

I ran in to a weird bug(?) with the tagging system. I'm trying to build a CI pipeline in python. This CI pipeline calls out to pants to query targets and then runs the targets. However, I get different result if I run the same command in

Popen

and just bash.

Popen(shell=True)

has the same output as bash This is how I set up the command

tag_filters = [f'--filter-tag-regex="{x}"' for x in test_group.filter_expression()]

filter_args = [
        "./pants",
        "filter",
        "--filter-target-type=python_tests",
        "--filter-granularity=file"
        *tag_filters,
        "::"
]

Calling with

filter_process = subprocess.Popen(
        filter_args,
        stdout=subprocess.PIPE,
)

Pants seems to just ignore the tags that I'm trying to filter If I do

filter_process = subprocess.Popen(
        " ".join(filter_args),
        stdout=subprocess.PIPE,
        shell=True,
)

the result is as expected Maybe I'm doing something silly?

https://twitter.com/pantsbuild/status/1436140842171912192 Pants 2.7 release is coming very soon, and it will include Docker support courtesy of @andreasstenius. Docs preview: https://t.co/6RbSp4PbrC On a scale of 1-10, how excited are you? (Our answer: 💯) Twitter

Hi Pants! When I have a library target, is there a way I can pip install it?

Hi @happy-kitchen-89482, our constraints.txt has been resolving really, really slow lately. Is there any way to speed it up? This is probably mostly a pip resolver issue, but wondering if you happen to know some tricks. Thanks! we are using pants version 2.6.0 and pip version 19.3. cc @dazzling-diamond-4749