Seems to be working with entrypoints

Author: aabmass

bazel-repro/.gitignore

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+# gitignore template for Bazel build system
+# website: https://bazel.build/
+
+# Ignore all bazel-* symlinks. There is no full list since this can change
+# based on the name of the directory bazel is cloned into.
+/bazel-*
+
+# Directories for the Bazel IntelliJ plugin containing the generated
+# IntelliJ project files and plugin configuration. Seperate directories are
+# for the IntelliJ, Android Studio and CLion versions of the plugin.
+/.ijwb/
+/.aswb/
+/.clwb/

bazel-repro/BUILD

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+# module(
+#     name = "my-module",
+#     version = "1.0",
+# )
+
+# See https://rules-python.readthedocs.io/en/latest/getting-started.html
+
+# Update the version "0.0.0" to the release found here:
+# https://github.com/bazelbuild/rules_python/releases.
+bazel_dep(name = "rules_python", version = "1.0.0")
+
+pip = use_extension("@rules_python//python/extensions:pip.bzl", "pip")
+pip.parse(
+    hub_name = "my_deps",
+    python_version = "3.11",
+    requirements_lock = "//:requirements.lock.txt",
+)
+use_repo(pip, "my_deps")

bazel-repro/MODULE.bazel

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+load("@my_deps//:requirements.bzl", "requirement")
+load("@rules_python//python:py_binary.bzl", "py_binary")
+
+py_binary(
+    name = "main",
+    srcs = ["main.py"],
+    deps = [
+        requirement("opentelemetry-api"),
+        requirement("opentelemetry-sdk"),
+    ],
+)

bazel-repro/MODULE.bazel.lock

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+import time
+
+from opentelemetry import trace
+from opentelemetry.sdk.trace import TracerProvider
+from opentelemetry.sdk.trace.export import (
+    BatchSpanProcessor,
+    ConsoleSpanExporter,
+)
+
+tp = TracerProvider()
+tp.add_span_processor(BatchSpanProcessor(ConsoleSpanExporter()))
+trace.set_tracer_provider(tp)
+
+tracer = trace.get_tracer("foo")
+with tracer.start_as_current_span("hello") as span:
+    time.sleep(0.1)

bazel-repro/main/BUILD

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+opentelemetry-api
+opentelemetry-sdk

bazel-repro/main/main.py

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+# This file was autogenerated by uv via the following command:
+#    uv pip compile requirements.in -o requirements.lock.txt
+deprecated==1.2.15
+    # via
+    #   opentelemetry-api
+    #   opentelemetry-semantic-conventions
+importlib-metadata==8.5.0
+    # via opentelemetry-api
+opentelemetry-api==1.29.0
+    # via
+    #   -r requirements.in
+    #   opentelemetry-sdk
+    #   opentelemetry-semantic-conventions
+opentelemetry-sdk==1.29.0
+    # via -r requirements.in
+opentelemetry-semantic-conventions==0.50b0
+    # via opentelemetry-sdk
+typing-extensions==4.12.2
+    # via opentelemetry-sdk
+wrapt==1.17.0
+    # via deprecated
+zipp==3.21.0
+    # via importlib-metadata