Poetry plugin (#1343)

## Summary

Builtin plugin for Poetry that configures it to use the installed
version of python, instead of the one that Poetry is built with

This also sets some environment variables that create the poetry
virtualenv inside the project

## How was it tested?

Tested using the example project, also in this PR. Run `poetry env info`
to confirm it's using the right version of Poetry

Author: Lagoja

examples/cloud_development/temporal/devbox.json

@@ -12,7 +12,7 @@
     "shell": {
         "init_hook": [
             "echo 'Setting flags to allow Python C extension compilation'",
-            "export NIX_CFLAGS_COMPILE=\"$NIX_CFLAGS_COMPILE $(cat $(dirname $(which clang))/../nix-support/libcxx-cxxflags)\"",
+            "export NIX_CFLAGS_COMPILE=\"$NIX_CFLAGS_COMPILE $(cat $(dirname $(command -v clang))/../nix-support/libcxx-cxxflags)\"",
             "echo 'Setting up virtual environment'",
             "source $VENV_DIR/bin/activate"
         ],

examples/development/python/poetry/poetry-demo/devbox.json

@@ -1,6 +1,6 @@
 {
   "packages": [
-    "python@3.10",
+    "python@3.8",
     "[email protected]"
   ],
   "shell": {

examples/development/python/poetry/poetry-demo/devbox.lock

@@ -1,15 +1,19 @@
 {
   "lockfile_version": "1",
   "packages": {
-    "poetry": {
-      "last_modified": "",
-      "resolved": "github:NixOS/nixpkgs/f80ac848e3d6f0c12c52758c0f25c10c97ca3b62#poetry",
-      "version": ""
+    "[email protected]": {
+      "last_modified": "2023-05-19T19:44:39Z",
+      "plugin_version": "0.0.1",
+      "resolved": "github:NixOS/nixpkgs/4a22f6f0a4b4354778f786425babce9a56f6b5d8#poetry",
+      "source": "devbox-search",
+      "version": "1.4.2"
     },
-    "python310": {
-      "last_modified": "",
-      "resolved": "github:NixOS/nixpkgs/f80ac848e3d6f0c12c52758c0f25c10c97ca3b62#python310",
-      "version": ""
+    "[email protected]": {
+      "last_modified": "2023-06-30T04:44:22Z",
+      "plugin_version": "0.0.1",
+      "resolved": "github:NixOS/nixpkgs/3c614fbc76fc152f3e1bc4b2263da6d90adf80fb#python38",
+      "source": "devbox-search",
+      "version": "3.8.17"
     }
   }
-}
+}

examples/development/python/poetry/poetry-demo/poetry.lock

@@ -5,7 +5,7 @@ description = ""
 authors = ["John Lago <[email protected]>"]
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.8"
 emoji = "^2.1.0"
 
 [tool.poetry.dev-dependencies]

examples/development/python/poetry/poetry-demo/pyproject.toml

@@ -33,6 +33,7 @@ var builtInMap = map[*regexp.Regexp]string{
 	regexp.MustCompile(`^mysql?[0-9]*$`):                               "mysql",
 	regexp.MustCompile(`^php[0-9]*$`):                                  "php",
 	regexp.MustCompile(`^python3[0-9]*Packages.pip$`):                  "pip",
+	regexp.MustCompile(`^(\w*\.)?poetry$`):                             "poetry",
 	regexp.MustCompile(`^postgresql(_[0-9]+)?$`):                       "postgresql",
 	regexp.MustCompile(`^python[0-9]*(Full|Minimal|-full|-minimal)?$`): "python",
 	regexp.MustCompile(`^redis$`):                                      "redis",

plugins/builtins.go

@@ -0,0 +1,15 @@
+{
+    "name": "poetry",
+    "version": "0.0.1",
+    "readme": "This plugin automatically configures poetry to use the version of python installed in your Devbox shell, instead of the Python version that it is bundled with.",
+    "env": {
+        "POETRY_VIRTUALENVS_IN_PROJECT": "true",
+        "POETRY_VIRTUALENVS_CREATE": "true",
+        "POETRY_VIRTUALENVS_PATH": "{{.Virtenv}}/.virtualenvs"
+    },
+    "shell": {
+        "init_hook": [
+            "poetry env use $(command -v python) --quiet --no-interaction"
+        ]
+    }
+}