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Questions tagged [bazel-python]

24 questions
4
votes
3 answers

How do I select the runtime in bazel for Python and pip?

I'm trying to build an app on Ubuntu 20.04, where python3 points to Python3.8, and I'm building aganist Python3.6 I have the following runtime in the same directory of WORKSPACE. $ cat BUILD.bazel py_runtime( name = "python3.6", …
Ahmed
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4
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1 answer

How do you generate Python coverage in bazel?

I'm trying to generate Python coverage in bazel. I tried to run this command and an empty file was generated $ bazelisk coverage //company/libs:foo_test INFO: Using default value for --instrumentation_filter: "^//company/libs[/:]". INFO: Override…
Ahmed
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3
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2 answers

Creating Python zip for AWS Lambda using Bazel

I've a monorepo that contains a set of Python AWS lambdas and I'm using Bazel for building and packaging the lambdas. I'm now trying to use Bazel to create a zip file that follows the expected AWS Lambdas packaging and that I can upload to Lambda.…
Ricardo Fonseca
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1 answer

Add required dependencies to py_wheel

I am trying to create a wheel package from bazel using py_wheel. py_wheel has an option to provide the required python dependencies using the requires param. However, I don't want to provide the list of dependencies manually. Is there a way that I…
randomperson
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2
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0 answers

Installing python packages with extras using Bazel pip_parse

I use Python Rules for Bazel to build my python projects. I use pip_parse to install pip packages, as described in the guide, but that doesn't seem to be working for packages with extras. For example, I have the following dependency in my…
andrii
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vote
2 answers

How to materialize Bazel Outputs

I am relatively new to bazel, so this is probably a relatively simple question. I have a bunch of libraries defined in my build structure. Something like this: /libraries - /lib1 - BUILD - files.py - /lib2 - BUILD - sub_dir -…
felixnext
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vote
1 answer

One entry point in WORKSPACE for managing various python project requirements

My Bazel project structure is like this ├── BUILD ├── WORKSPACE ├── example.py ├── reqs.bzl └── requirements.txt I have created my WORKSPACE like this load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive") http_archive( name =…
a k
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vote
1 answer

Bazel pip_parse results in repository not defined

Trying to build a set up Python package dependencies with rules_python per these instructions but when running bazel build I get this error: ERROR: error loading package under directory '': error loading package 'zzz': Unable to find package for…
tomocafe
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1
vote
1 answer

Generating C++ files via py_binary and genrule

I have a Python script named blob_to_cpp.py (located at scirpts/blob_to_cpp.py relative to the WORKSPACE.bazel file). The Python script takes an input file (e.g. weights/rt_alb.tza) and generates from that a C++ header (.h) and source file (.cpp)…
Vertexwahn
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0 answers

Code coverage for Python using Bazel 6.0.0

I want to generate a code coverage report using Bazel for a Python project (my environment: macOS Ventura, M1 arm64, Python 3.10, Bazel 6.0). The documentation states that for this task Bazel 6.0 and a modified version of coverage.py should work. It…
Vertexwahn
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Bazel: running tests against different Python versions

I am getting to know Bazel, and I would like to be able to test the same codebase against several python versions, mostly for the purposes of safe transition to a new one. I'm using python_register_toolchain to specify my python interpreter. I tried…
Ibolit
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1
vote
1 answer

Bazel build file load multiple dependencies

I have a Python repo that contains two requirement files. In my WORKSPACE file, I imported both the dependencies. requirements-1.txt: numpy requirements-2.txt: scipy WORKSPACE: load("@rules_python//python:pip.bzl", "pip_install") pip_install( …
Isaac
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Bazel python proto rules overriding "google" module

I encountered an issue with the proto rules provided by rules_python. I believe adding protos that utilizes py_proto_library will overshadow the "google" module, making relevant PIP dependencies unable to be found. I created a repo with a simple…
Chuan Ye
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0 answers

How to deal with Bazel grpc transitive dependencies?

I tried to setup a grpc Python server using Bazel. On my Mac machine, if I load the grpc rules first before the proto rules, I can build and run the binary just fine. However, if I load the proto rules before grpc rules, I'm unable to build the…
Chuan Ye
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Bazel, install python as root — cannot find gcc

I am working on a Bazel mvp at work, and I'm trying to run a simple build on CI. However, there are severe limitations to the environment. I am trying to build a simple python lib and run some simple python tests. All of that works great on local…
Ibolit
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