From ab9f4586fbd4a4bc8c884adae98e08e944364e09 Mon Sep 17 00:00:00 2001
From: Andreas Berthoud <andreasberthoud@gmail.com>
Date: Thu, 3 Jun 2021 19:45:46 +0200
Subject: [PATCH] Chosing the python version an pip requirements work

---
 .bazelrc         |  1 +
 .gitignore       |  6 ++++++
 BUILD            | 17 +++++++++++++++++
 WORKSPACE        | 13 +++++++++++++
 main.py          | 15 +++++++++++++++
 requirements.txt |  2 ++
 6 files changed, 54 insertions(+)
 create mode 100644 .bazelrc
 create mode 100644 .gitignore
 create mode 100644 BUILD
 create mode 100644 WORKSPACE
 create mode 100644 main.py
 create mode 100644 requirements.txt

diff --git a/.bazelrc b/.bazelrc
new file mode 100644
index 0000000..f0f013d
--- /dev/null
+++ b/.bazelrc
@@ -0,0 +1 @@
+run --incompatible_use_python_toolchains=false --python_top=//:python38
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..33dedea
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+*.swp
+
+bazel-bazel*
+bazel-bin*
+bazel-out*
+bazel-testlogs*
diff --git a/BUILD b/BUILD
new file mode 100644
index 0000000..cfe325a
--- /dev/null
+++ b/BUILD
@@ -0,0 +1,17 @@
+load("@rules_python//python:defs.bzl", "py_binary")
+load("@my_deps//:requirements.bzl", "requirement")
+
+py_runtime(
+    name = "python38",
+    interpreter_path = "/usr/local/bin/python3.8",
+)
+
+py_binary(
+    name = "main",
+    srcs = ["main.py"],
+    srcs_version = "PY3",
+    deps = [
+        requirement("pyyaml"),
+        requirement("flask"),
+    ],
+)
diff --git a/WORKSPACE b/WORKSPACE
new file mode 100644
index 0000000..e1c0cc4
--- /dev/null
+++ b/WORKSPACE
@@ -0,0 +1,13 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+http_archive(
+    name = "rules_python",
+    url = "https://github.com/bazelbuild/rules_python/releases/download/0.2.0/rules_python-0.2.0.tar.gz",
+    sha256 = "778197e26c5fbeb07ac2a2c5ae405b30f6cb7ad1f5510ea6fdac03bded96cc6f",
+)
+
+load("@rules_python//python:pip.bzl", "pip_install")
+pip_install(
+    name = "my_deps",
+    requirements = "//:requirements.txt",
+)
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..05e368e
--- /dev/null
+++ b/main.py
@@ -0,0 +1,15 @@
+import os
+import sys
+
+import flask
+import yaml
+
+
+def main():
+    print("hello from {}".format(os.getcwd()))
+    print("version: {}".format(sys.version))
+    print("interpreter: {}".format(sys.executable))
+
+
+if __name__ == "__main__":
+    main()
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..f3da9a5
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+pyyaml
+flask