fix(poly libs): handle third-party dependencies with markers, such as multi-python versions

components/polylith/toml/core.py

@@ -2,7 +2,7 @@
 import sys
 from functools import lru_cache, reduce
 from pathlib import Path
-from typing import List, Union
+from typing import Any, List, Union
 
 import tomlkit
 from polylith import repo
@@ -133,15 +133,32 @@ def parse_pep_621_dependency(dep: str) -> dict:
     return {name: version} if name else {}
 
 
+def _parse_poetry_complex_dependency(k: str, v: Any) -> dict:
+    if not isinstance(v, dict):
+        message = f"Unexpected dependency format. {k}: {v}"
+        raise ValueError(message)
+
+    extras = sorted(v.get("extras") or [])
+    version = v.get("version") or ""
+    py_version = v.get("python")
+
+    python_version = str.replace(str(py_version), " ", "") if py_version else None
+
+    key = f"{k}-python{python_version}" if python_version else k
+    name = key + str.replace(f"{extras}", "'", "") if extras else key
+
+    return {name: version}
+
+
 def parse_poetry_dependency(acc: dict, kv: tuple) -> dict:
     k, v = kv
 
     if isinstance(v, dict):
-        extras = sorted(v.get("extras", []))
-        version = v.get("version", "")
+        parsed = _parse_poetry_complex_dependency(k, v)
+    elif isinstance(v, list):
+        deps = [_parse_poetry_complex_dependency(k, i) for i in v]
 
-        name = k + str.replace(f"{extras}", "'", "") if extras else k
-        parsed = {name: version}
+        parsed = {k: v for dep in deps for k, v in dep.items()}
     else:
         parsed = {k: v}
 

projects/hatch_polylith_bricks/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "hatch-polylith-bricks"
-version = "1.5.4"
+version = "1.5.5"
 description = "Hatch build hook plugin for Polylith"
 authors = ['David Vujic']
 homepage = "https://davidvujic.github.io/python-polylith-docs/"

projects/pdm_polylith_bricks/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pdm-polylith-bricks"
-version = "1.3.6"
+version = "1.3.7"
 description = "a PDM build hook for Polylith"
 authors = ["David Vujic"]
 homepage = "https://davidvujic.github.io/python-polylith-docs/"

projects/pdm_polylith_workspace/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pdm-polylith-workspace"
-version = "1.3.6"
+version = "1.3.7"
 description = "a PDM build hook for a Polylith workspace"
 homepage = "https://davidvujic.github.io/python-polylith-docs/"
 repository = "https://github.com/davidvujic/python-polylith"

projects/poetry_polylith_plugin/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry-polylith-plugin"
-version = "1.48.3"
+version = "1.48.4"
 description = "A Poetry plugin that adds tooling support for the Polylith Architecture"
 authors = ["David Vujic"]
 homepage = "https://davidvujic.github.io/python-polylith-docs/"

projects/polylith_cli/pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "polylith-cli"
-version = "1.42.4"
+version = "1.42.5"
 description = "Python tooling support for the Polylith Architecture"
 authors = ['David Vujic']
 homepage = "https://davidvujic.github.io/python-polylith-docs/"

test/components/polylith/toml/test_core.py

@@ -58,7 +58,11 @@
 build-backend = "hatchling.build"
 
 [project]
-dependencies = ["fastapi~=0.109.2", "uvicorn[standard]~=0.25.0", "tomlkit"]
+dependencies = ["fastapi~=0.109.2",
+                "uvicorn[standard]~=0.25.0",
+                "tomlkit",
+                "typing_extensions<4.7; python_version > '3.9'"
+]
 
 [project.optional-dependencies]
 dev = ["an-optional-lib==1.2.3", "another"]
@@ -71,6 +75,10 @@
 fastapi = "^0.110.0"
 uvicorn = {extras = ["standard"], version = "^0.27.1"}
 tomlkit = "*"
+typing_extensions = [
+  { version = "<4.14", python = ">=3.8,<3.9" },
+  { version = "*",     python = ">=3.9" }
+]
 
 an-optional-lib = {version = "1.2.3", optional = true}
 another = {optional = true}
@@ -144,23 +152,36 @@ def test_get_hatch_package_includes_from_default_when_in_both():
 
 
 def test_parse_pep_621_project_dependencies():
+    expected_pep_621 = {
+        **expected_dependencies,
+        **{"typing_extensions": "<4.7; python_version > '3.9'"},
+    }
     data = tomlkit.loads(pep_621_toml_deps)
 
     res = toml.parse_project_dependencies(data)
 
-    assert res == expected_dependencies
+    assert res == expected_pep_621
 
 
 def test_parse_poetry_project_dependencies():
     expected = {**expected_dependencies, **{"python": "^3.10"}}
+    extra = {
+        "typing_extensions-python>=3.8,<3.9": "<4.14",
+        "typing_extensions-python>=3.9": "*",
+    }
+
+    expected_poetry = {**expected, **extra}
+
     data = tomlkit.loads(poetry_toml_deps)
 
     res = toml.parse_project_dependencies(data)
 
-    assert res.keys() == expected.keys()
+    assert res.keys() == expected_poetry.keys()
     assert res["fastapi"] == "^0.110.0"
     assert res["tomlkit"] == "*"
     assert res["an-optional-lib"] == "1.2.3"
+    assert res["typing_extensions-python>=3.8,<3.9"] == "<4.14"
+    assert res["typing_extensions-python>=3.9"] == "*"
 
 
 def test_collect_hatch_exclude_patterns() -> None: